From 160ab931032d5b1fb01737ea5fc842cbba68a4ee Mon Sep 17 00:00:00 2001 From: Shuosheng Huang Date: Tue, 19 Oct 2021 15:32:13 +0800 Subject: [PATCH 01/39] ANDROID: ion heap: init ion heaps in subsys_initcall Some built-in modules will failed to use ion heap to allocate memory if the ion heap drivers are too late to be initialized. To fix this issue, move initialization of ion heap drivers in subsys_initcall() which is more earlier to be called. Bug: 203487618 Signed-off-by: Shuosheng Huang Change-Id: If120225fd6c3b665053857cc9345db4521e76cf8 (cherry picked from commit eb4a5a5dbd5bcc33db06d4515653b7f67a2e927e) --- drivers/staging/android/ion/heaps/ion_cma_heap.c | 2 +- drivers/staging/android/ion/heaps/ion_system_heap.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/android/ion/heaps/ion_cma_heap.c b/drivers/staging/android/ion/heaps/ion_cma_heap.c index 6ba7fd84c9ee..5ae0bacea2fe 100644 --- a/drivers/staging/android/ion/heaps/ion_cma_heap.c +++ b/drivers/staging/android/ion/heaps/ion_cma_heap.c @@ -146,6 +146,6 @@ static void __exit ion_cma_heap_exit(void) ion_device_remove_heap(&cma_heaps[nr].heap); } -module_init(ion_cma_heap_init); +subsys_initcall(ion_cma_heap_init); module_exit(ion_cma_heap_exit); MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/android/ion/heaps/ion_system_heap.c b/drivers/staging/android/ion/heaps/ion_system_heap.c index 706bd402509d..7727a2b0d849 100644 --- a/drivers/staging/android/ion/heaps/ion_system_heap.c +++ b/drivers/staging/android/ion/heaps/ion_system_heap.c @@ -293,6 +293,6 @@ static void __exit ion_system_heap_exit(void) ion_system_heap_destroy_pools(system_heap.pools); } -module_init(ion_system_heap_init); +subsys_initcall(ion_system_heap_init); module_exit(ion_system_heap_exit); MODULE_LICENSE("GPL v2"); From 078cebb3f54a89ebecc41242009fc392be19b99c Mon Sep 17 00:00:00 2001 From: Ard Biesheuvel Date: Fri, 8 Nov 2019 13:22:07 +0100 Subject: [PATCH 02/39] UPSTREAM: crypto: lib - tidy up lib/crypto Kconfig and Makefile In preparation of introducing a set of crypto library interfaces, tidy up the Makefile and split off the Kconfig symbols into a separate file. Bug: 152722841 Signed-off-by: Ard Biesheuvel Signed-off-by: Herbert Xu (cherry picked from commit 746b2e024c67aa605ac12d135cd7085a49cf9dc4) Signed-off-by: Greg Kroah-Hartman Change-Id: Idc1e996e91db5909dd8f1d2d52c1727c2de2b1f6 --- crypto/Kconfig | 13 +------------ lib/crypto/Kconfig | 15 +++++++++++++++ lib/crypto/Makefile | 16 ++++++++-------- 3 files changed, 24 insertions(+), 20 deletions(-) create mode 100644 lib/crypto/Kconfig diff --git a/crypto/Kconfig b/crypto/Kconfig index b2cc0ad3792a..7d19b46a7ef7 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -878,9 +878,6 @@ config CRYPTO_SHA1_PPC_SPE SHA-1 secure hash standard (DFIPS 180-4) implemented using powerpc SPE SIMD instruction set. -config CRYPTO_LIB_SHA256 - tristate - config CRYPTO_SHA256 tristate "SHA224 and SHA256 digest algorithm" select CRYPTO_HASH @@ -1019,9 +1016,6 @@ config CRYPTO_GHASH_CLMUL_NI_INTEL comment "Ciphers" -config CRYPTO_LIB_AES - tristate - config CRYPTO_AES tristate "AES cipher algorithms" select CRYPTO_ALGAPI @@ -1150,9 +1144,6 @@ config CRYPTO_ANUBIS -config CRYPTO_LIB_ARC4 - tristate - config CRYPTO_ARC4 tristate "ARC4 cipher algorithm" select CRYPTO_BLKCIPHER @@ -1339,9 +1330,6 @@ config CRYPTO_CAST6_AVX_X86_64 This module provides the Cast6 cipher algorithm that processes eight blocks parallel using the AVX instruction set. -config CRYPTO_LIB_DES - tristate - config CRYPTO_DES tristate "DES and Triple DES EDE cipher algorithms" select CRYPTO_ALGAPI @@ -1845,6 +1833,7 @@ config CRYPTO_STATS config CRYPTO_HASH_INFO bool +source "lib/crypto/Kconfig" source "drivers/crypto/Kconfig" source "crypto/asymmetric_keys/Kconfig" source "certs/Kconfig" diff --git a/lib/crypto/Kconfig b/lib/crypto/Kconfig new file mode 100644 index 000000000000..261430051595 --- /dev/null +++ b/lib/crypto/Kconfig @@ -0,0 +1,15 @@ +# SPDX-License-Identifier: GPL-2.0 + +comment "Crypto library routines" + +config CRYPTO_LIB_AES + tristate + +config CRYPTO_LIB_ARC4 + tristate + +config CRYPTO_LIB_DES + tristate + +config CRYPTO_LIB_SHA256 + tristate diff --git a/lib/crypto/Makefile b/lib/crypto/Makefile index cbe0b6a6450d..63de4cb3fcf8 100644 --- a/lib/crypto/Makefile +++ b/lib/crypto/Makefile @@ -1,13 +1,13 @@ # SPDX-License-Identifier: GPL-2.0 -obj-$(CONFIG_CRYPTO_LIB_AES) += libaes.o -libaes-y := aes.o +obj-$(CONFIG_CRYPTO_LIB_AES) += libaes.o +libaes-y := aes.o -obj-$(CONFIG_CRYPTO_LIB_ARC4) += libarc4.o -libarc4-y := arc4.o +obj-$(CONFIG_CRYPTO_LIB_ARC4) += libarc4.o +libarc4-y := arc4.o -obj-$(CONFIG_CRYPTO_LIB_DES) += libdes.o -libdes-y := des.o +obj-$(CONFIG_CRYPTO_LIB_DES) += libdes.o +libdes-y := des.o -obj-$(CONFIG_CRYPTO_LIB_SHA256) += libsha256.o -libsha256-y := sha256.o +obj-$(CONFIG_CRYPTO_LIB_SHA256) += libsha256.o +libsha256-y := sha256.o From 192edcb3df675d2ebfd23f05079810d1bffe9e14 Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Fri, 8 Nov 2019 13:22:28 +0100 Subject: [PATCH 03/39] UPSTREAM: crypto: blake2s - generic C library implementation and selftest The C implementation was originally based on Samuel Neves' public domain reference implementation but has since been heavily modified for the kernel. We're able to do compile-time optimizations by moving some scaffolding around the final function into the header file. Information: https://blake2.net/ Bug: 152722841 Signed-off-by: Jason A. Donenfeld Signed-off-by: Samuel Neves Co-developed-by: Samuel Neves [ardb: - move from lib/zinc to lib/crypto - remove simd handling - rewrote selftest for better coverage - use fixed digest length for blake2s_hmac() and rename to blake2s256_hmac() ] Signed-off-by: Ard Biesheuvel Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman Change-Id: I009a9fb70d34dcff777e7d21882a59819e2bd137 --- include/crypto/blake2s.h | 106 +++++ include/crypto/internal/blake2s.h | 19 + lib/crypto/Kconfig | 25 ++ lib/crypto/Makefile | 10 + lib/crypto/blake2s-generic.c | 111 ++++++ lib/crypto/blake2s-selftest.c | 622 ++++++++++++++++++++++++++++++ lib/crypto/blake2s.c | 126 ++++++ 7 files changed, 1019 insertions(+) create mode 100644 include/crypto/blake2s.h create mode 100644 include/crypto/internal/blake2s.h create mode 100644 lib/crypto/blake2s-generic.c create mode 100644 lib/crypto/blake2s-selftest.c create mode 100644 lib/crypto/blake2s.c diff --git a/include/crypto/blake2s.h b/include/crypto/blake2s.h new file mode 100644 index 000000000000..b471deac28ff --- /dev/null +++ b/include/crypto/blake2s.h @@ -0,0 +1,106 @@ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ +/* + * Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. + */ + +#ifndef BLAKE2S_H +#define BLAKE2S_H + +#include +#include +#include + +#include + +enum blake2s_lengths { + BLAKE2S_BLOCK_SIZE = 64, + BLAKE2S_HASH_SIZE = 32, + BLAKE2S_KEY_SIZE = 32, + + BLAKE2S_128_HASH_SIZE = 16, + BLAKE2S_160_HASH_SIZE = 20, + BLAKE2S_224_HASH_SIZE = 28, + BLAKE2S_256_HASH_SIZE = 32, +}; + +struct blake2s_state { + u32 h[8]; + u32 t[2]; + u32 f[2]; + u8 buf[BLAKE2S_BLOCK_SIZE]; + unsigned int buflen; + unsigned int outlen; +}; + +enum blake2s_iv { + BLAKE2S_IV0 = 0x6A09E667UL, + BLAKE2S_IV1 = 0xBB67AE85UL, + BLAKE2S_IV2 = 0x3C6EF372UL, + BLAKE2S_IV3 = 0xA54FF53AUL, + BLAKE2S_IV4 = 0x510E527FUL, + BLAKE2S_IV5 = 0x9B05688CUL, + BLAKE2S_IV6 = 0x1F83D9ABUL, + BLAKE2S_IV7 = 0x5BE0CD19UL, +}; + +void blake2s_update(struct blake2s_state *state, const u8 *in, size_t inlen); +void blake2s_final(struct blake2s_state *state, u8 *out); + +static inline void blake2s_init_param(struct blake2s_state *state, + const u32 param) +{ + *state = (struct blake2s_state){{ + BLAKE2S_IV0 ^ param, + BLAKE2S_IV1, + BLAKE2S_IV2, + BLAKE2S_IV3, + BLAKE2S_IV4, + BLAKE2S_IV5, + BLAKE2S_IV6, + BLAKE2S_IV7, + }}; +} + +static inline void blake2s_init(struct blake2s_state *state, + const size_t outlen) +{ + blake2s_init_param(state, 0x01010000 | outlen); + state->outlen = outlen; +} + +static inline void blake2s_init_key(struct blake2s_state *state, + const size_t outlen, const void *key, + const size_t keylen) +{ + WARN_ON(IS_ENABLED(DEBUG) && (!outlen || outlen > BLAKE2S_HASH_SIZE || + !key || !keylen || keylen > BLAKE2S_KEY_SIZE)); + + blake2s_init_param(state, 0x01010000 | keylen << 8 | outlen); + memcpy(state->buf, key, keylen); + state->buflen = BLAKE2S_BLOCK_SIZE; + state->outlen = outlen; +} + +static inline void blake2s(u8 *out, const u8 *in, const u8 *key, + const size_t outlen, const size_t inlen, + const size_t keylen) +{ + struct blake2s_state state; + + WARN_ON(IS_ENABLED(DEBUG) && ((!in && inlen > 0) || !out || !outlen || + outlen > BLAKE2S_HASH_SIZE || keylen > BLAKE2S_KEY_SIZE || + (!key && keylen))); + + if (keylen) + blake2s_init_key(&state, outlen, key, keylen); + else + blake2s_init(&state, outlen); + + blake2s_update(&state, in, inlen); + blake2s_final(&state, out); +} + +void blake2s256_hmac(u8 *out, const u8 *in, const u8 *key, const size_t inlen, + const size_t keylen); + +#endif /* BLAKE2S_H */ diff --git a/include/crypto/internal/blake2s.h b/include/crypto/internal/blake2s.h new file mode 100644 index 000000000000..941693effc7d --- /dev/null +++ b/include/crypto/internal/blake2s.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ + +#ifndef BLAKE2S_INTERNAL_H +#define BLAKE2S_INTERNAL_H + +#include + +void blake2s_compress_generic(struct blake2s_state *state,const u8 *block, + size_t nblocks, const u32 inc); + +void blake2s_compress_arch(struct blake2s_state *state,const u8 *block, + size_t nblocks, const u32 inc); + +static inline void blake2s_set_lastblock(struct blake2s_state *state) +{ + state->f[0] = -1; +} + +#endif /* BLAKE2S_INTERNAL_H */ diff --git a/lib/crypto/Kconfig b/lib/crypto/Kconfig index 261430051595..9a922770c96c 100644 --- a/lib/crypto/Kconfig +++ b/lib/crypto/Kconfig @@ -8,6 +8,31 @@ config CRYPTO_LIB_AES config CRYPTO_LIB_ARC4 tristate +config CRYPTO_ARCH_HAVE_LIB_BLAKE2S + tristate + help + Declares whether the architecture provides an arch-specific + accelerated implementation of the Blake2s library interface, + either builtin or as a module. + +config CRYPTO_LIB_BLAKE2S_GENERIC + tristate + help + This symbol can be depended upon by arch implementations of the + Blake2s library interface that require the generic code as a + fallback, e.g., for SIMD implementations. If no arch specific + implementation is enabled, this implementation serves the users + of CRYPTO_LIB_BLAKE2S. + +config CRYPTO_LIB_BLAKE2S + tristate "BLAKE2s hash function library" + depends on CRYPTO_ARCH_HAVE_LIB_BLAKE2S || !CRYPTO_ARCH_HAVE_LIB_BLAKE2S + select CRYPTO_LIB_BLAKE2S_GENERIC if CRYPTO_ARCH_HAVE_LIB_BLAKE2S=n + help + Enable the Blake2s library interface. This interface may be fulfilled + by either the generic implementation or an arch-specific one, if one + is available and enabled. + config CRYPTO_LIB_DES tristate diff --git a/lib/crypto/Makefile b/lib/crypto/Makefile index 63de4cb3fcf8..bdf3908c4df3 100644 --- a/lib/crypto/Makefile +++ b/lib/crypto/Makefile @@ -6,8 +6,18 @@ libaes-y := aes.o obj-$(CONFIG_CRYPTO_LIB_ARC4) += libarc4.o libarc4-y := arc4.o +obj-$(CONFIG_CRYPTO_LIB_BLAKE2S_GENERIC) += libblake2s-generic.o +libblake2s-generic-y += blake2s-generic.o + +obj-$(CONFIG_CRYPTO_LIB_BLAKE2S) += libblake2s.o +libblake2s-y += blake2s.o + obj-$(CONFIG_CRYPTO_LIB_DES) += libdes.o libdes-y := des.o obj-$(CONFIG_CRYPTO_LIB_SHA256) += libsha256.o libsha256-y := sha256.o + +ifneq ($(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS),y) +libblake2s-y += blake2s-selftest.o +endif diff --git a/lib/crypto/blake2s-generic.c b/lib/crypto/blake2s-generic.c new file mode 100644 index 000000000000..04ff8df24513 --- /dev/null +++ b/lib/crypto/blake2s-generic.c @@ -0,0 +1,111 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* + * Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. + * + * This is an implementation of the BLAKE2s hash and PRF functions. + * + * Information: https://blake2.net/ + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +static const u8 blake2s_sigma[10][16] = { + { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, + { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 }, + { 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 }, + { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 }, + { 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 }, + { 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 }, + { 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 }, + { 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 }, + { 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 }, + { 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0 }, +}; + +static inline void blake2s_increment_counter(struct blake2s_state *state, + const u32 inc) +{ + state->t[0] += inc; + state->t[1] += (state->t[0] < inc); +} + +void blake2s_compress_generic(struct blake2s_state *state,const u8 *block, + size_t nblocks, const u32 inc) +{ + u32 m[16]; + u32 v[16]; + int i; + + WARN_ON(IS_ENABLED(DEBUG) && + (nblocks > 1 && inc != BLAKE2S_BLOCK_SIZE)); + + while (nblocks > 0) { + blake2s_increment_counter(state, inc); + memcpy(m, block, BLAKE2S_BLOCK_SIZE); + le32_to_cpu_array(m, ARRAY_SIZE(m)); + memcpy(v, state->h, 32); + v[ 8] = BLAKE2S_IV0; + v[ 9] = BLAKE2S_IV1; + v[10] = BLAKE2S_IV2; + v[11] = BLAKE2S_IV3; + v[12] = BLAKE2S_IV4 ^ state->t[0]; + v[13] = BLAKE2S_IV5 ^ state->t[1]; + v[14] = BLAKE2S_IV6 ^ state->f[0]; + v[15] = BLAKE2S_IV7 ^ state->f[1]; + +#define G(r, i, a, b, c, d) do { \ + a += b + m[blake2s_sigma[r][2 * i + 0]]; \ + d = ror32(d ^ a, 16); \ + c += d; \ + b = ror32(b ^ c, 12); \ + a += b + m[blake2s_sigma[r][2 * i + 1]]; \ + d = ror32(d ^ a, 8); \ + c += d; \ + b = ror32(b ^ c, 7); \ +} while (0) + +#define ROUND(r) do { \ + G(r, 0, v[0], v[ 4], v[ 8], v[12]); \ + G(r, 1, v[1], v[ 5], v[ 9], v[13]); \ + G(r, 2, v[2], v[ 6], v[10], v[14]); \ + G(r, 3, v[3], v[ 7], v[11], v[15]); \ + G(r, 4, v[0], v[ 5], v[10], v[15]); \ + G(r, 5, v[1], v[ 6], v[11], v[12]); \ + G(r, 6, v[2], v[ 7], v[ 8], v[13]); \ + G(r, 7, v[3], v[ 4], v[ 9], v[14]); \ +} while (0) + ROUND(0); + ROUND(1); + ROUND(2); + ROUND(3); + ROUND(4); + ROUND(5); + ROUND(6); + ROUND(7); + ROUND(8); + ROUND(9); + +#undef G +#undef ROUND + + for (i = 0; i < 8; ++i) + state->h[i] ^= v[i] ^ v[i + 8]; + + block += BLAKE2S_BLOCK_SIZE; + --nblocks; + } +} + +EXPORT_SYMBOL(blake2s_compress_generic); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("BLAKE2s hash function"); +MODULE_AUTHOR("Jason A. Donenfeld "); diff --git a/lib/crypto/blake2s-selftest.c b/lib/crypto/blake2s-selftest.c new file mode 100644 index 000000000000..79ef404a990d --- /dev/null +++ b/lib/crypto/blake2s-selftest.c @@ -0,0 +1,622 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* + * Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. + */ + +#include +#include + +/* + * blake2s_testvecs[] generated with the program below (using libb2-dev and + * libssl-dev [OpenSSL]) + * + * #include + * #include + * #include + * + * #include + * #include + * + * #define BLAKE2S_TESTVEC_COUNT 256 + * + * static void print_vec(const uint8_t vec[], int len) + * { + * int i; + * + * printf(" { "); + * for (i = 0; i < len; i++) { + * if (i && (i % 12) == 0) + * printf("\n "); + * printf("0x%02x, ", vec[i]); + * } + * printf("},\n"); + * } + * + * int main(void) + * { + * uint8_t key[BLAKE2S_KEYBYTES]; + * uint8_t buf[BLAKE2S_TESTVEC_COUNT]; + * uint8_t hash[BLAKE2S_OUTBYTES]; + * int i, j; + * + * key[0] = key[1] = 1; + * for (i = 2; i < BLAKE2S_KEYBYTES; ++i) + * key[i] = key[i - 2] + key[i - 1]; + * + * for (i = 0; i < BLAKE2S_TESTVEC_COUNT; ++i) + * buf[i] = (uint8_t)i; + * + * printf("static const u8 blake2s_testvecs[][BLAKE2S_HASH_SIZE] __initconst = {\n"); + * + * for (i = 0; i < BLAKE2S_TESTVEC_COUNT; ++i) { + * int outlen = 1 + i % BLAKE2S_OUTBYTES; + * int keylen = (13 * i) % (BLAKE2S_KEYBYTES + 1); + * + * blake2s(hash, buf, key + BLAKE2S_KEYBYTES - keylen, outlen, i, + * keylen); + * print_vec(hash, outlen); + * } + * printf("};\n\n"); + * + * printf("static const u8 blake2s_hmac_testvecs[][BLAKE2S_HASH_SIZE] __initconst = {\n"); + * + * HMAC(EVP_blake2s256(), key, sizeof(key), buf, sizeof(buf), hash, NULL); + * print_vec(hash, BLAKE2S_OUTBYTES); + * + * HMAC(EVP_blake2s256(), buf, sizeof(buf), key, sizeof(key), hash, NULL); + * print_vec(hash, BLAKE2S_OUTBYTES); + * + * printf("};\n"); + * + * return 0; + *} + */ +static const u8 blake2s_testvecs[][BLAKE2S_HASH_SIZE] __initconst = { + { 0xa1, }, + { 0x7c, 0x89, }, + { 0x74, 0x0e, 0xd4, }, + { 0x47, 0x0c, 0x21, 0x15, }, + { 0x18, 0xd6, 0x9c, 0xa6, 0xc4, }, + { 0x13, 0x5d, 0x16, 0x63, 0x2e, 0xf9, }, + { 0x2c, 0xb5, 0x04, 0xb7, 0x99, 0xe2, 0x73, }, + { 0x9a, 0x0f, 0xd2, 0x39, 0xd6, 0x68, 0x1b, 0x92, }, + { 0xc8, 0xde, 0x7a, 0xea, 0x2f, 0xf4, 0xd2, 0xe3, 0x2b, }, + { 0x5b, 0xf9, 0x43, 0x52, 0x0c, 0x12, 0xba, 0xb5, 0x93, 0x9f, }, + { 0xc6, 0x2c, 0x4e, 0x80, 0xfc, 0x32, 0x5b, 0x33, 0xb8, 0xb8, 0x0a, }, + { 0xa7, 0x5c, 0xfd, 0x3a, 0xcc, 0xbf, 0x90, 0xca, 0xb7, 0x97, 0xde, 0xd8, }, + { 0x66, 0xca, 0x3c, 0xc4, 0x19, 0xef, 0x92, 0x66, 0x3f, 0x21, 0x8f, 0xda, + 0xb7, }, + { 0xba, 0xe5, 0xbb, 0x30, 0x25, 0x94, 0x6d, 0xc3, 0x89, 0x09, 0xc4, 0x25, + 0x52, 0x3e, }, + { 0xa2, 0xef, 0x0e, 0x52, 0x0b, 0x5f, 0xa2, 0x01, 0x6d, 0x0a, 0x25, 0xbc, + 0x57, 0xe2, 0x27, }, + { 0x4f, 0xe0, 0xf9, 0x52, 0x12, 0xda, 0x84, 0xb7, 0xab, 0xae, 0xb0, 0xa6, + 0x47, 0x2a, 0xc7, 0xf5, }, + { 0x56, 0xe7, 0xa8, 0x1c, 0x4c, 0xca, 0xed, 0x90, 0x31, 0xec, 0x87, 0x43, + 0xe7, 0x72, 0x08, 0xec, 0xbe, }, + { 0x7e, 0xdf, 0x80, 0x1c, 0x93, 0x33, 0xfd, 0x53, 0x44, 0xba, 0xfd, 0x96, + 0xe1, 0xbb, 0xb5, 0x65, 0xa5, 0x00, }, + { 0xec, 0x6b, 0xed, 0xf7, 0x7b, 0x62, 0x1d, 0x7d, 0xf4, 0x82, 0xf3, 0x1e, + 0x18, 0xff, 0x2b, 0xc4, 0x06, 0x20, 0x2a, }, + { 0x74, 0x98, 0xd7, 0x68, 0x63, 0xed, 0x87, 0xe4, 0x5d, 0x8d, 0x9e, 0x1d, + 0xfd, 0x2a, 0xbb, 0x86, 0xac, 0xe9, 0x2a, 0x89, }, + { 0x89, 0xc3, 0x88, 0xce, 0x2b, 0x33, 0x1e, 0x10, 0xd1, 0x37, 0x20, 0x86, + 0x28, 0x43, 0x70, 0xd9, 0xfb, 0x96, 0xd9, 0xb5, 0xd3, }, + { 0xcb, 0x56, 0x74, 0x41, 0x8d, 0x80, 0x01, 0x9a, 0x6b, 0x38, 0xe1, 0x41, + 0xad, 0x9c, 0x62, 0x74, 0xce, 0x35, 0xd5, 0x6c, 0x89, 0x6e, }, + { 0x79, 0xaf, 0x94, 0x59, 0x99, 0x26, 0xe1, 0xc9, 0x34, 0xfe, 0x7c, 0x22, + 0xf7, 0x43, 0xd7, 0x65, 0xd4, 0x48, 0x18, 0xac, 0x3d, 0xfd, 0x93, }, + { 0x85, 0x0d, 0xff, 0xb8, 0x3e, 0x87, 0x41, 0xb0, 0x95, 0xd3, 0x3d, 0x00, + 0x47, 0x55, 0x9e, 0xd2, 0x69, 0xea, 0xbf, 0xe9, 0x7a, 0x2d, 0x61, 0x45, }, + { 0x03, 0xe0, 0x85, 0xec, 0x54, 0xb5, 0x16, 0x53, 0xa8, 0xc4, 0x71, 0xe9, + 0x6a, 0xe7, 0xcb, 0xc4, 0x15, 0x02, 0xfc, 0x34, 0xa4, 0xa4, 0x28, 0x13, + 0xd1, }, + { 0xe3, 0x34, 0x4b, 0xe1, 0xd0, 0x4b, 0x55, 0x61, 0x8f, 0xc0, 0x24, 0x05, + 0xe6, 0xe0, 0x3d, 0x70, 0x24, 0x4d, 0xda, 0xb8, 0x91, 0x05, 0x29, 0x07, + 0x01, 0x3e, }, + { 0x61, 0xff, 0x01, 0x72, 0xb1, 0x4d, 0xf6, 0xfe, 0xd1, 0xd1, 0x08, 0x74, + 0xe6, 0x91, 0x44, 0xeb, 0x61, 0xda, 0x40, 0xaf, 0xfc, 0x8c, 0x91, 0x6b, + 0xec, 0x13, 0xed, }, + { 0xd4, 0x40, 0xd2, 0xa0, 0x7f, 0xc1, 0x58, 0x0c, 0x85, 0xa0, 0x86, 0xc7, + 0x86, 0xb9, 0x61, 0xc9, 0xea, 0x19, 0x86, 0x1f, 0xab, 0x07, 0xce, 0x37, + 0x72, 0x67, 0x09, 0xfc, }, + { 0x9e, 0xf8, 0x18, 0x67, 0x93, 0x10, 0x9b, 0x39, 0x75, 0xe8, 0x8b, 0x38, + 0x82, 0x7d, 0xb8, 0xb7, 0xa5, 0xaf, 0xe6, 0x6a, 0x22, 0x5e, 0x1f, 0x9c, + 0x95, 0x29, 0x19, 0xf2, 0x4b, }, + { 0xc8, 0x62, 0x25, 0xf5, 0x98, 0xc9, 0xea, 0xe5, 0x29, 0x3a, 0xd3, 0x22, + 0xeb, 0xeb, 0x07, 0x7c, 0x15, 0x07, 0xee, 0x15, 0x61, 0xbb, 0x05, 0x30, + 0x99, 0x7f, 0x11, 0xf6, 0x0a, 0x1d, }, + { 0x68, 0x70, 0xf7, 0x90, 0xa1, 0x8b, 0x1f, 0x0f, 0xbb, 0xce, 0xd2, 0x0e, + 0x33, 0x1f, 0x7f, 0xa9, 0x78, 0xa8, 0xa6, 0x81, 0x66, 0xab, 0x8d, 0xcd, + 0x58, 0x55, 0x3a, 0x0b, 0x7a, 0xdb, 0xb5, }, + { 0xdd, 0x35, 0xd2, 0xb4, 0xf6, 0xc7, 0xea, 0xab, 0x64, 0x24, 0x4e, 0xfe, + 0xe5, 0x3d, 0x4e, 0x95, 0x8b, 0x6d, 0x6c, 0xbc, 0xb0, 0xf8, 0x88, 0x61, + 0x09, 0xb7, 0x78, 0xa3, 0x31, 0xfe, 0xd9, 0x2f, }, + { 0x0a, }, + { 0x6e, 0xd4, }, + { 0x64, 0xe9, 0xd1, }, + { 0x30, 0xdd, 0x71, 0xef, }, + { 0x11, 0xb5, 0x0c, 0x87, 0xc9, }, + { 0x06, 0x1c, 0x6d, 0x04, 0x82, 0xd0, }, + { 0x5c, 0x42, 0x0b, 0xee, 0xc5, 0x9c, 0xb2, }, + { 0xe8, 0x29, 0xd6, 0xb4, 0x5d, 0xf7, 0x2b, 0x93, }, + { 0x18, 0xca, 0x27, 0x72, 0x43, 0x39, 0x16, 0xbc, 0x6a, }, + { 0x39, 0x8f, 0xfd, 0x64, 0xf5, 0x57, 0x23, 0xb0, 0x45, 0xf8, }, + { 0xbb, 0x3a, 0x78, 0x6b, 0x02, 0x1d, 0x0b, 0x16, 0xe3, 0xb2, 0x9a, }, + { 0xb8, 0xb4, 0x0b, 0xe5, 0xd4, 0x1d, 0x0d, 0x85, 0x49, 0x91, 0x35, 0xfa, }, + { 0x6d, 0x48, 0x2a, 0x0c, 0x42, 0x08, 0xbd, 0xa9, 0x78, 0x6f, 0x18, 0xaf, + 0xe2, }, + { 0x10, 0x45, 0xd4, 0x58, 0x88, 0xec, 0x4e, 0x1e, 0xf6, 0x14, 0x92, 0x64, + 0x7e, 0xb0, }, + { 0x8b, 0x0b, 0x95, 0xee, 0x92, 0xc6, 0x3b, 0x91, 0xf1, 0x1e, 0xeb, 0x51, + 0x98, 0x0a, 0x8d, }, + { 0xa3, 0x50, 0x4d, 0xa5, 0x1d, 0x03, 0x68, 0xe9, 0x57, 0x78, 0xd6, 0x04, + 0xf1, 0xc3, 0x94, 0xd8, }, + { 0xb8, 0x66, 0x6e, 0xdd, 0x46, 0x15, 0xae, 0x3d, 0x83, 0x7e, 0xcf, 0xe7, + 0x2c, 0xe8, 0x8f, 0xc7, 0x34, }, + { 0x2e, 0xc0, 0x1f, 0x29, 0xea, 0xf6, 0xb9, 0xe2, 0xc2, 0x93, 0xeb, 0x41, + 0x0d, 0xf0, 0x0a, 0x13, 0x0e, 0xa2, }, + { 0x71, 0xb8, 0x33, 0xa9, 0x1b, 0xac, 0xf1, 0xb5, 0x42, 0x8f, 0x5e, 0x81, + 0x34, 0x43, 0xb7, 0xa4, 0x18, 0x5c, 0x47, }, + { 0xda, 0x45, 0xb8, 0x2e, 0x82, 0x1e, 0xc0, 0x59, 0x77, 0x9d, 0xfa, 0xb4, + 0x1c, 0x5e, 0xa0, 0x2b, 0x33, 0x96, 0x5a, 0x58, }, + { 0xe3, 0x09, 0x05, 0xa9, 0xeb, 0x48, 0x13, 0xad, 0x71, 0x88, 0x81, 0x9a, + 0x3e, 0x2c, 0xe1, 0x23, 0x99, 0x13, 0x35, 0x9f, 0xb5, }, + { 0xb7, 0x86, 0x2d, 0x16, 0xe1, 0x04, 0x00, 0x47, 0x47, 0x61, 0x31, 0xfb, + 0x14, 0xac, 0xd8, 0xe9, 0xe3, 0x49, 0xbd, 0xf7, 0x9c, 0x3f, }, + { 0x7f, 0xd9, 0x95, 0xa8, 0xa7, 0xa0, 0xcc, 0xba, 0xef, 0xb1, 0x0a, 0xa9, + 0x21, 0x62, 0x08, 0x0f, 0x1b, 0xff, 0x7b, 0x9d, 0xae, 0xb2, 0x95, }, + { 0x85, 0x99, 0xea, 0x33, 0xe0, 0x56, 0xff, 0x13, 0xc6, 0x61, 0x8c, 0xf9, + 0x57, 0x05, 0x03, 0x11, 0xf9, 0xfb, 0x3a, 0xf7, 0xce, 0xbb, 0x52, 0x30, }, + { 0xb2, 0x72, 0x9c, 0xf8, 0x77, 0x4e, 0x8f, 0x6b, 0x01, 0x6c, 0xff, 0x4e, + 0x4f, 0x02, 0xd2, 0xbc, 0xeb, 0x51, 0x28, 0x99, 0x50, 0xab, 0xc4, 0x42, + 0xe3, }, + { 0x8b, 0x0a, 0xb5, 0x90, 0x8f, 0xf5, 0x7b, 0xdd, 0xba, 0x47, 0x37, 0xc9, + 0x2a, 0xd5, 0x4b, 0x25, 0x08, 0x8b, 0x02, 0x17, 0xa7, 0x9e, 0x6b, 0x6e, + 0xe3, 0x90, }, + { 0x90, 0xdd, 0xf7, 0x75, 0xa7, 0xa3, 0x99, 0x5e, 0x5b, 0x7d, 0x75, 0xc3, + 0x39, 0x6b, 0xa0, 0xe2, 0x44, 0x53, 0xb1, 0x9e, 0xc8, 0xf1, 0x77, 0x10, + 0x58, 0x06, 0x9a, }, + { 0x99, 0x52, 0xf0, 0x49, 0xa8, 0x8c, 0xec, 0xa6, 0x97, 0x32, 0x13, 0xb5, + 0xf7, 0xa3, 0x8e, 0xfb, 0x4b, 0x59, 0x31, 0x3d, 0x01, 0x59, 0x98, 0x5d, + 0x53, 0x03, 0x1a, 0x39, }, + { 0x9f, 0xe0, 0xc2, 0xe5, 0x5d, 0x93, 0xd6, 0x9b, 0x47, 0x8f, 0x9b, 0xe0, + 0x26, 0x35, 0x84, 0x20, 0x1d, 0xc5, 0x53, 0x10, 0x0f, 0x22, 0xb9, 0xb5, + 0xd4, 0x36, 0xb1, 0xac, 0x73, }, + { 0x30, 0x32, 0x20, 0x3b, 0x10, 0x28, 0xec, 0x1f, 0x4f, 0x9b, 0x47, 0x59, + 0xeb, 0x7b, 0xee, 0x45, 0xfb, 0x0c, 0x49, 0xd8, 0x3d, 0x69, 0xbd, 0x90, + 0x2c, 0xf0, 0x9e, 0x8d, 0xbf, 0xd5, }, + { 0x2a, 0x37, 0x73, 0x7f, 0xf9, 0x96, 0x19, 0xaa, 0x25, 0xd8, 0x13, 0x28, + 0x01, 0x29, 0x89, 0xdf, 0x6e, 0x0c, 0x9b, 0x43, 0x44, 0x51, 0xe9, 0x75, + 0x26, 0x0c, 0xb7, 0x87, 0x66, 0x0b, 0x5f, }, + { 0x23, 0xdf, 0x96, 0x68, 0x91, 0x86, 0xd0, 0x93, 0x55, 0x33, 0x24, 0xf6, + 0xba, 0x08, 0x75, 0x5b, 0x59, 0x11, 0x69, 0xb8, 0xb9, 0xe5, 0x2c, 0x77, + 0x02, 0xf6, 0x47, 0xee, 0x81, 0xdd, 0xb9, 0x06, }, + { 0x9d, }, + { 0x9d, 0x7d, }, + { 0xfd, 0xc3, 0xda, }, + { 0xe8, 0x82, 0xcd, 0x21, }, + { 0xc3, 0x1d, 0x42, 0x4c, 0x74, }, + { 0xe9, 0xda, 0xf1, 0xa2, 0xe5, 0x7c, }, + { 0x52, 0xb8, 0x6f, 0x81, 0x5c, 0x3a, 0x4c, }, + { 0x5b, 0x39, 0x26, 0xfc, 0x92, 0x5e, 0xe0, 0x49, }, + { 0x59, 0xe4, 0x7c, 0x93, 0x1c, 0xf9, 0x28, 0x93, 0xde, }, + { 0xde, 0xdf, 0xb2, 0x43, 0x61, 0x0b, 0x86, 0x16, 0x4c, 0x2e, }, + { 0x14, 0x8f, 0x75, 0x51, 0xaf, 0xb9, 0xee, 0x51, 0x5a, 0xae, 0x23, }, + { 0x43, 0x5f, 0x50, 0xd5, 0x70, 0xb0, 0x5b, 0x87, 0xf5, 0xd9, 0xb3, 0x6d, }, + { 0x66, 0x0a, 0x64, 0x93, 0x79, 0x71, 0x94, 0x40, 0xb7, 0x68, 0x2d, 0xd3, + 0x63, }, + { 0x15, 0x00, 0xc4, 0x0c, 0x7d, 0x1b, 0x10, 0xa9, 0x73, 0x1b, 0x90, 0x6f, + 0xe6, 0xa9, }, + { 0x34, 0x75, 0xf3, 0x86, 0x8f, 0x56, 0xcf, 0x2a, 0x0a, 0xf2, 0x62, 0x0a, + 0xf6, 0x0e, 0x20, }, + { 0xb1, 0xde, 0xc9, 0xf5, 0xdb, 0xf3, 0x2f, 0x4c, 0xd6, 0x41, 0x7d, 0x39, + 0x18, 0x3e, 0xc7, 0xc3, }, + { 0xc5, 0x89, 0xb2, 0xf8, 0xb8, 0xc0, 0xa3, 0xb9, 0x3b, 0x10, 0x6d, 0x7c, + 0x92, 0xfc, 0x7f, 0x34, 0x41, }, + { 0xc4, 0xd8, 0xef, 0xba, 0xef, 0xd2, 0xaa, 0xc5, 0x6c, 0x8e, 0x3e, 0xbb, + 0x12, 0xfc, 0x0f, 0x72, 0xbf, 0x0f, }, + { 0xdd, 0x91, 0xd1, 0x15, 0x9e, 0x7d, 0xf8, 0xc1, 0xb9, 0x14, 0x63, 0x96, + 0xb5, 0xcb, 0x83, 0x1d, 0x35, 0x1c, 0xec, }, + { 0xa9, 0xf8, 0x52, 0xc9, 0x67, 0x76, 0x2b, 0xad, 0xfb, 0xd8, 0x3a, 0xa6, + 0x74, 0x02, 0xae, 0xb8, 0x25, 0x2c, 0x63, 0x49, }, + { 0x77, 0x1f, 0x66, 0x70, 0xfd, 0x50, 0x29, 0xaa, 0xeb, 0xdc, 0xee, 0xba, + 0x75, 0x98, 0xdc, 0x93, 0x12, 0x3f, 0xdc, 0x7c, 0x38, }, + { 0xe2, 0xe1, 0x89, 0x5c, 0x37, 0x38, 0x6a, 0xa3, 0x40, 0xac, 0x3f, 0xb0, + 0xca, 0xfc, 0xa7, 0xf3, 0xea, 0xf9, 0x0f, 0x5d, 0x8e, 0x39, }, + { 0x0f, 0x67, 0xc8, 0x38, 0x01, 0xb1, 0xb7, 0xb8, 0xa2, 0xe7, 0x0a, 0x6d, + 0xd2, 0x63, 0x69, 0x9e, 0xcc, 0xf0, 0xf2, 0xbe, 0x9b, 0x98, 0xdd, }, + { 0x13, 0xe1, 0x36, 0x30, 0xfe, 0xc6, 0x01, 0x8a, 0xa1, 0x63, 0x96, 0x59, + 0xc2, 0xa9, 0x68, 0x3f, 0x58, 0xd4, 0x19, 0x0c, 0x40, 0xf3, 0xde, 0x02, }, + { 0xa3, 0x9e, 0xce, 0xda, 0x42, 0xee, 0x8c, 0x6c, 0x5a, 0x7d, 0xdc, 0x89, + 0x02, 0x77, 0xdd, 0xe7, 0x95, 0xbb, 0xff, 0x0d, 0xa4, 0xb5, 0x38, 0x1e, + 0xaf, }, + { 0x9a, 0xf6, 0xb5, 0x9a, 0x4f, 0xa9, 0x4f, 0x2c, 0x35, 0x3c, 0x24, 0xdc, + 0x97, 0x6f, 0xd9, 0xa1, 0x7d, 0x1a, 0x85, 0x0b, 0xf5, 0xda, 0x2e, 0xe7, + 0xb1, 0x1d, }, + { 0x84, 0x1e, 0x8e, 0x3d, 0x45, 0xa5, 0xf2, 0x27, 0xf3, 0x31, 0xfe, 0xb9, + 0xfb, 0xc5, 0x45, 0x99, 0x99, 0xdd, 0x93, 0x43, 0x02, 0xee, 0x58, 0xaf, + 0xee, 0x6a, 0xbe, }, + { 0x07, 0x2f, 0xc0, 0xa2, 0x04, 0xc4, 0xab, 0x7c, 0x26, 0xbb, 0xa8, 0xd8, + 0xe3, 0x1c, 0x75, 0x15, 0x64, 0x5d, 0x02, 0x6a, 0xf0, 0x86, 0xe9, 0xcd, + 0x5c, 0xef, 0xa3, 0x25, }, + { 0x2f, 0x3b, 0x1f, 0xb5, 0x91, 0x8f, 0x86, 0xe0, 0xdc, 0x31, 0x48, 0xb6, + 0xa1, 0x8c, 0xfd, 0x75, 0xbb, 0x7d, 0x3d, 0xc1, 0xf0, 0x10, 0x9a, 0xd8, + 0x4b, 0x0e, 0xe3, 0x94, 0x9f, }, + { 0x29, 0xbb, 0x8f, 0x6c, 0xd1, 0xf2, 0xb6, 0xaf, 0xe5, 0xe3, 0x2d, 0xdc, + 0x6f, 0xa4, 0x53, 0x88, 0xd8, 0xcf, 0x4d, 0x45, 0x42, 0x62, 0xdb, 0xdf, + 0xf8, 0x45, 0xc2, 0x13, 0xec, 0x35, }, + { 0x06, 0x3c, 0xe3, 0x2c, 0x15, 0xc6, 0x43, 0x03, 0x81, 0xfb, 0x08, 0x76, + 0x33, 0xcb, 0x02, 0xc1, 0xba, 0x33, 0xe5, 0xe0, 0xd1, 0x92, 0xa8, 0x46, + 0x28, 0x3f, 0x3e, 0x9d, 0x2c, 0x44, 0x54, }, + { 0xea, 0xbb, 0x96, 0xf8, 0xd1, 0x8b, 0x04, 0x11, 0x40, 0x78, 0x42, 0x02, + 0x19, 0xd1, 0xbc, 0x65, 0x92, 0xd3, 0xc3, 0xd6, 0xd9, 0x19, 0xe7, 0xc3, + 0x40, 0x97, 0xbd, 0xd4, 0xed, 0xfa, 0x5e, 0x28, }, + { 0x02, }, + { 0x52, 0xa8, }, + { 0x38, 0x25, 0x0d, }, + { 0xe3, 0x04, 0xd4, 0x92, }, + { 0x97, 0xdb, 0xf7, 0x81, 0xca, }, + { 0x8a, 0x56, 0x9d, 0x62, 0x56, 0xcc, }, + { 0xa1, 0x8e, 0x3c, 0x72, 0x8f, 0x63, 0x03, }, + { 0xf7, 0xf3, 0x39, 0x09, 0x0a, 0xa1, 0xbb, 0x23, }, + { 0x6b, 0x03, 0xc0, 0xe9, 0xd9, 0x83, 0x05, 0x22, 0x01, }, + { 0x1b, 0x4b, 0xf5, 0xd6, 0x4f, 0x05, 0x75, 0x91, 0x4c, 0x7f, }, + { 0x4c, 0x8c, 0x25, 0x20, 0x21, 0xcb, 0xc2, 0x4b, 0x3a, 0x5b, 0x8d, }, + { 0x56, 0xe2, 0x77, 0xa0, 0xb6, 0x9f, 0x81, 0xec, 0x83, 0x75, 0xc4, 0xf9, }, + { 0x71, 0x70, 0x0f, 0xad, 0x4d, 0x35, 0x81, 0x9d, 0x88, 0x69, 0xf9, 0xaa, + 0xd3, }, + { 0x50, 0x6e, 0x86, 0x6e, 0x43, 0xc0, 0xc2, 0x44, 0xc2, 0xe2, 0xa0, 0x1c, + 0xb7, 0x9a, }, + { 0xe4, 0x7e, 0x72, 0xc6, 0x12, 0x8e, 0x7c, 0xfc, 0xbd, 0xe2, 0x08, 0x31, + 0x3d, 0x47, 0x3d, }, + { 0x08, 0x97, 0x5b, 0x80, 0xae, 0xc4, 0x1d, 0x50, 0x77, 0xdf, 0x1f, 0xd0, + 0x24, 0xf0, 0x17, 0xc0, }, + { 0x01, 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{ 0x1d, 0xb4, 0xc6, 0xe1, 0xb1, 0x4b, 0xe3, 0xf2, 0xe2, 0x1a, 0x73, 0x1b, + 0xa0, 0x92, 0xa7, 0xf5, 0xff, 0x8f, 0x8b, 0x5d, 0xdf, 0xa8, 0x04, 0xb3, + 0xb0, 0xf7, 0xcc, 0x12, 0xfa, 0x35, 0x46, }, + { 0x49, 0x45, 0x97, 0x11, 0x0f, 0x1c, 0x60, 0x8e, 0xe8, 0x47, 0x30, 0xcf, + 0x60, 0xa8, 0x71, 0xc5, 0x1b, 0xe9, 0x39, 0x4d, 0x49, 0xb6, 0x12, 0x1f, + 0x24, 0xab, 0x37, 0xff, 0x83, 0xc2, 0xe1, 0x3a, }, + { 0x60, }, + { 0x24, 0x26, }, + { 0x47, 0xeb, 0xc9, }, + { 0x4a, 0xd0, 0xbc, 0xf0, }, + { 0x8e, 0x2b, 0xc9, 0x85, 0x3c, }, + { 0xa2, 0x07, 0x15, 0xb8, 0x12, 0x74, }, + { 0x0f, 0xdb, 0x5b, 0x33, 0x69, 0xfe, 0x4b, }, + { 0xa2, 0x86, 0x54, 0xf4, 0xfd, 0xb2, 0xd4, 0xe6, }, + { 0xbb, 0x84, 0x78, 0x49, 0x27, 0x8e, 0x61, 0xda, 0x60, }, + { 0x04, 0xc3, 0xcd, 0xaa, 0x8f, 0xa7, 0x03, 0xc9, 0xf9, 0xb6, }, + { 0xf8, 0x27, 0x1d, 0x61, 0xdc, 0x21, 0x42, 0xdd, 0xad, 0x92, 0x40, }, + { 0x12, 0x87, 0xdf, 0xc2, 0x41, 0x45, 0x5a, 0x36, 0x48, 0x5b, 0x51, 0x2b, }, + { 0xbb, 0x37, 0x5d, 0x1f, 0xf1, 0x68, 0x7a, 0xc4, 0xa5, 0xd2, 0xa4, 0x91, + 0x8d, }, + { 0x5b, 0x27, 0xd1, 0x04, 0x54, 0x52, 0x9f, 0xa3, 0x47, 0x86, 0x33, 0x33, + 0xbf, 0xa0, }, + { 0xcf, 0x04, 0xea, 0xf8, 0x03, 0x2a, 0x43, 0xff, 0xa6, 0x68, 0x21, 0x4c, + 0xd5, 0x4b, 0xed, }, + { 0xaf, 0xb8, 0xbc, 0x63, 0x0f, 0x18, 0x4d, 0xe2, 0x7a, 0xdd, 0x46, 0x44, + 0xc8, 0x24, 0x0a, 0xb7, }, + { 0x3e, 0xdc, 0x36, 0xe4, 0x89, 0xb1, 0xfa, 0xc6, 0x40, 0x93, 0x2e, 0x75, + 0xb2, 0x15, 0xd1, 0xb1, 0x10, }, + { 0x6c, 0xd8, 0x20, 0x3b, 0x82, 0x79, 0xf9, 0xc8, 0xbc, 0x9d, 0xe0, 0x35, + 0xbe, 0x1b, 0x49, 0x1a, 0xbc, 0x3a, }, + { 0x78, 0x65, 0x2c, 0xbe, 0x35, 0x67, 0xdc, 0x78, 0xd4, 0x41, 0xf6, 0xc9, + 0xde, 0xde, 0x1f, 0x18, 0x13, 0x31, 0x11, }, + { 0x8a, 0x7f, 0xb1, 0x33, 0x8f, 0x0c, 0x3c, 0x0a, 0x06, 0x61, 0xf0, 0x47, + 0x29, 0x1b, 0x29, 0xbc, 0x1c, 0x47, 0xef, 0x7a, }, + { 0x65, 0x91, 0xf1, 0xe6, 0xb3, 0x96, 0xd3, 0x8c, 0xc2, 0x4a, 0x59, 0x35, + 0x72, 0x8e, 0x0b, 0x9a, 0x87, 0xca, 0x34, 0x7b, 0x63, }, + { 0x5f, 0x08, 0x87, 0x80, 0x56, 0x25, 0x89, 0x77, 0x61, 0x8c, 0x64, 0xa1, + 0x59, 0x6d, 0x59, 0x62, 0xe8, 0x4a, 0xc8, 0x58, 0x99, 0xd1, }, + { 0x23, 0x87, 0x1d, 0xed, 0x6f, 0xf2, 0x91, 0x90, 0xe2, 0xfe, 0x43, 0x21, + 0xaf, 0x97, 0xc6, 0xbc, 0xd7, 0x15, 0xc7, 0x2d, 0x08, 0x77, 0x91, }, + { 0x90, 0x47, 0x9a, 0x9e, 0x3a, 0xdf, 0xf3, 0xc9, 0x4c, 0x1e, 0xa7, 0xd4, + 0x6a, 0x32, 0x90, 0xfe, 0xb7, 0xb6, 0x7b, 0xfa, 0x96, 0x61, 0xfb, 0xa4, }, + { 0xb1, 0x67, 0x60, 0x45, 0xb0, 0x96, 0xc5, 0x15, 0x9f, 0x4d, 0x26, 0xd7, + 0x9d, 0xf1, 0xf5, 0x6d, 0x21, 0x00, 0x94, 0x31, 0x64, 0x94, 0xd3, 0xa7, + 0xd3, }, + { 0x02, 0x3e, 0xaf, 0xf3, 0x79, 0x73, 0xa5, 0xf5, 0xcc, 0x7a, 0x7f, 0xfb, + 0x79, 0x2b, 0x85, 0x8c, 0x88, 0x72, 0x06, 0xbe, 0xfe, 0xaf, 0xc1, 0x16, + 0xa6, 0xd6, }, + { 0x2a, 0xb0, 0x1a, 0xe5, 0xaa, 0x6e, 0xb3, 0xae, 0x53, 0x85, 0x33, 0x80, + 0x75, 0xae, 0x30, 0xe6, 0xb8, 0x72, 0x42, 0xf6, 0x25, 0x4f, 0x38, 0x88, + 0x55, 0xd1, 0xa9, }, + { 0x90, 0xd8, 0x0c, 0xc0, 0x93, 0x4b, 0x4f, 0x9e, 0x65, 0x6c, 0xa1, 0x54, + 0xa6, 0xf6, 0x6e, 0xca, 0xd2, 0xbb, 0x7e, 0x6a, 0x1c, 0xd3, 0xce, 0x46, + 0xef, 0xb0, 0x00, 0x8d, }, + { 0xed, 0x9c, 0x49, 0xcd, 0xc2, 0xde, 0x38, 0x0e, 0xe9, 0x98, 0x6c, 0xc8, + 0x90, 0x9e, 0x3c, 0xd4, 0xd3, 0xeb, 0x88, 0x32, 0xc7, 0x28, 0xe3, 0x94, + 0x1c, 0x9f, 0x8b, 0xf3, 0xcb, }, + { 0xac, 0xe7, 0x92, 0x16, 0xb4, 0x14, 0xa0, 0xe4, 0x04, 0x79, 0xa2, 0xf4, + 0x31, 0xe6, 0x0c, 0x26, 0xdc, 0xbf, 0x2f, 0x69, 0x1b, 0x55, 0x94, 0x67, + 0xda, 0x0c, 0xd7, 0x32, 0x1f, 0xef, }, + { 0x68, 0x63, 0x85, 0x57, 0x95, 0x9e, 0x42, 0x27, 0x41, 0x43, 0x42, 0x02, + 0xa5, 0x78, 0xa7, 0xc6, 0x43, 0xc1, 0x6a, 0xba, 0x70, 0x80, 0xcd, 0x04, + 0xb6, 0x78, 0x76, 0x29, 0xf3, 0xe8, 0xa0, }, + { 0xe6, 0xac, 0x8d, 0x9d, 0xf0, 0xc0, 0xf7, 0xf7, 0xe3, 0x3e, 0x4e, 0x28, + 0x0f, 0x59, 0xb2, 0x67, 0x9e, 0x84, 0x34, 0x42, 0x96, 0x30, 0x2b, 0xca, + 0x49, 0xb6, 0xc5, 0x9a, 0x84, 0x59, 0xa7, 0x81, }, + { 0x7e, }, + { 0x1e, 0x21, }, + { 0x26, 0xd3, 0xdd, }, + { 0x2c, 0xd4, 0xb3, 0x3d, }, + { 0x86, 0x7b, 0x76, 0x3c, 0xf0, }, + { 0x12, 0xc3, 0x70, 0x1d, 0x55, 0x18, }, + { 0x96, 0xc2, 0xbd, 0x61, 0x55, 0xf4, 0x24, }, + { 0x20, 0x51, 0xf7, 0x86, 0x58, 0x8f, 0x07, 0x2a, }, + { 0x93, 0x15, 0xa8, 0x1d, 0xda, 0x97, 0xee, 0x0e, 0x6c, }, + { 0x39, 0x93, 0xdf, 0xd5, 0x0e, 0xca, 0xdc, 0x7a, 0x92, 0xce, }, + { 0x60, 0xd5, 0xfd, 0xf5, 0x1b, 0x26, 0x82, 0x26, 0x73, 0x02, 0xbc, }, + { 0x98, 0xf2, 0x34, 0xe1, 0xf5, 0xfb, 0x00, 0xac, 0x10, 0x4a, 0x38, 0x9f, }, + { 0xda, 0x3a, 0x92, 0x8a, 0xd0, 0xcd, 0x12, 0xcd, 0x15, 0xbb, 0xab, 0x77, + 0x66, }, + { 0xa2, 0x92, 0x1a, 0xe5, 0xca, 0x0c, 0x30, 0x75, 0xeb, 0xaf, 0x00, 0x31, + 0x55, 0x66, }, + { 0x06, 0xea, 0xfd, 0x3e, 0x86, 0x38, 0x62, 0x4e, 0xa9, 0x12, 0xa4, 0x12, + 0x43, 0xbf, 0xa1, }, + { 0xe4, 0x71, 0x7b, 0x94, 0xdb, 0xa0, 0xd2, 0xff, 0x9b, 0xeb, 0xad, 0x8e, + 0x95, 0x8a, 0xc5, 0xed, }, + { 0x25, 0x5a, 0x77, 0x71, 0x41, 0x0e, 0x7a, 0xe9, 0xed, 0x0c, 0x10, 0xef, + 0xf6, 0x2b, 0x3a, 0xba, 0x60, }, + { 0xee, 0xe2, 0xa3, 0x67, 0x64, 0x1d, 0xc6, 0x04, 0xc4, 0xe1, 0x68, 0xd2, + 0x6e, 0xd2, 0x91, 0x75, 0x53, 0x07, }, + { 0xe0, 0xf6, 0x4d, 0x8f, 0x68, 0xfc, 0x06, 0x7e, 0x18, 0x79, 0x7f, 0x2b, + 0x6d, 0xef, 0x46, 0x7f, 0xab, 0xb2, 0xad, }, + { 0x3d, 0x35, 0x88, 0x9f, 0x2e, 0xcf, 0x96, 0x45, 0x07, 0x60, 0x71, 0x94, + 0x00, 0x8d, 0xbf, 0xf4, 0xef, 0x46, 0x2e, 0x3c, }, + { 0x43, 0xcf, 0x98, 0xf7, 0x2d, 0xf4, 0x17, 0xe7, 0x8c, 0x05, 0x2d, 0x9b, + 0x24, 0xfb, 0x4d, 0xea, 0x4a, 0xec, 0x01, 0x25, 0x29, }, + { 0x8e, 0x73, 0x9a, 0x78, 0x11, 0xfe, 0x48, 0xa0, 0x3b, 0x1a, 0x26, 0xdf, + 0x25, 0xe9, 0x59, 0x1c, 0x70, 0x07, 0x9f, 0xdc, 0xa0, 0xa6, }, + { 0xe8, 0x47, 0x71, 0xc7, 0x3e, 0xdf, 0xb5, 0x13, 0xb9, 0x85, 0x13, 0xa8, + 0x54, 0x47, 0x6e, 0x59, 0x96, 0x09, 0x13, 0x5f, 0x82, 0x16, 0x0b, }, + { 0xfb, 0xc0, 0x8c, 0x03, 0x21, 0xb3, 0xc4, 0xb5, 0x43, 0x32, 0x6c, 0xea, + 0x7f, 0xa8, 0x43, 0x91, 0xe8, 0x4e, 0x3f, 0xbf, 0x45, 0x58, 0x6a, 0xa3, }, + { 0x55, 0xf8, 0xf3, 0x00, 0x76, 0x09, 0xef, 0x69, 0x5d, 0xd2, 0x8a, 0xf2, + 0x65, 0xc3, 0xcb, 0x9b, 0x43, 0xfd, 0xb1, 0x7e, 0x7f, 0xa1, 0x94, 0xb0, + 0xd7, }, + { 0xaa, 0x13, 0xc1, 0x51, 0x40, 0x6d, 0x8d, 0x4c, 0x0a, 0x95, 0x64, 0x7b, + 0xd1, 0x96, 0xb6, 0x56, 0xb4, 0x5b, 0xcf, 0xd6, 0xd9, 0x15, 0x97, 0xdd, + 0xb6, 0xef, }, + { 0xaf, 0xb7, 0x36, 0xb0, 0x04, 0xdb, 0xd7, 0x9c, 0x9a, 0x44, 0xc4, 0xf6, + 0x1f, 0x12, 0x21, 0x2d, 0x59, 0x30, 0x54, 0xab, 0x27, 0x61, 0xa3, 0x57, + 0xef, 0xf8, 0x53, }, + { 0x97, 0x34, 0x45, 0x3e, 0xce, 0x7c, 0x35, 0xa2, 0xda, 0x9f, 0x4b, 0x46, + 0x6c, 0x11, 0x67, 0xff, 0x2f, 0x76, 0x58, 0x15, 0x71, 0xfa, 0x44, 0x89, + 0x89, 0xfd, 0xf7, 0x99, }, + { 0x1f, 0xb1, 0x62, 0xeb, 0x83, 0xc5, 0x9c, 0x89, 0xf9, 0x2c, 0xd2, 0x03, + 0x61, 0xbc, 0xbb, 0xa5, 0x74, 0x0e, 0x9b, 0x7e, 0x82, 0x3e, 0x70, 0x0a, + 0xa9, 0x8f, 0x2b, 0x59, 0xfb, }, + { 0xf8, 0xca, 0x5e, 0x3a, 0x4f, 0x9e, 0x10, 0x69, 0x10, 0xd5, 0x4c, 0xeb, + 0x1a, 0x0f, 0x3c, 0x6a, 0x98, 0xf5, 0xb0, 0x97, 0x5b, 0x37, 0x2f, 0x0d, + 0xbd, 0x42, 0x4b, 0x69, 0xa1, 0x82, }, + { 0x12, 0x8c, 0x6d, 0x52, 0x08, 0xef, 0x74, 0xb2, 0xe6, 0xaa, 0xd3, 0xb0, + 0x26, 0xb0, 0xd9, 0x94, 0xb6, 0x11, 0x45, 0x0e, 0x36, 0x71, 0x14, 0x2d, + 0x41, 0x8c, 0x21, 0x53, 0x31, 0xe9, 0x68, }, + { 0xee, 0xea, 0x0d, 0x89, 0x47, 0x7e, 0x72, 0xd1, 0xd8, 0xce, 0x58, 0x4c, + 0x94, 0x1f, 0x0d, 0x51, 0x08, 0xa3, 0xb6, 0x3d, 0xe7, 0x82, 0x46, 0x92, + 0xd6, 0x98, 0x6b, 0x07, 0x10, 0x65, 0x52, 0x65, }, +}; + +static const u8 blake2s_hmac_testvecs[][BLAKE2S_HASH_SIZE] __initconst = { + { 0xce, 0xe1, 0x57, 0x69, 0x82, 0xdc, 0xbf, 0x43, 0xad, 0x56, 0x4c, 0x70, + 0xed, 0x68, 0x16, 0x96, 0xcf, 0xa4, 0x73, 0xe8, 0xe8, 0xfc, 0x32, 0x79, + 0x08, 0x0a, 0x75, 0x82, 0xda, 0x3f, 0x05, 0x11, }, + { 0x77, 0x2f, 0x0c, 0x71, 0x41, 0xf4, 0x4b, 0x2b, 0xb3, 0xc6, 0xb6, 0xf9, + 0x60, 0xde, 0xe4, 0x52, 0x38, 0x66, 0xe8, 0xbf, 0x9b, 0x96, 0xc4, 0x9f, + 0x60, 0xd9, 0x24, 0x37, 0x99, 0xd6, 0xec, 0x31, }, +}; + +bool __init blake2s_selftest(void) +{ + u8 key[BLAKE2S_KEY_SIZE]; + u8 buf[ARRAY_SIZE(blake2s_testvecs)]; + u8 hash[BLAKE2S_HASH_SIZE]; + struct blake2s_state state; + bool success = true; + int i, l; + + key[0] = key[1] = 1; + for (i = 2; i < sizeof(key); ++i) + key[i] = key[i - 2] + key[i - 1]; + + for (i = 0; i < sizeof(buf); ++i) + buf[i] = (u8)i; + + for (i = l = 0; i < ARRAY_SIZE(blake2s_testvecs); l = (l + 37) % ++i) { + int outlen = 1 + i % BLAKE2S_HASH_SIZE; + int keylen = (13 * i) % (BLAKE2S_KEY_SIZE + 1); + + blake2s(hash, buf, key + BLAKE2S_KEY_SIZE - keylen, outlen, i, + keylen); + if (memcmp(hash, blake2s_testvecs[i], outlen)) { + pr_err("blake2s self-test %d: FAIL\n", i + 1); + success = false; + } + + if (!keylen) + blake2s_init(&state, outlen); + else + blake2s_init_key(&state, outlen, + key + BLAKE2S_KEY_SIZE - keylen, + keylen); + + blake2s_update(&state, buf, l); + blake2s_update(&state, buf + l, i - l); + blake2s_final(&state, hash); + if (memcmp(hash, blake2s_testvecs[i], outlen)) { + pr_err("blake2s init/update/final self-test %d: FAIL\n", + i + 1); + success = false; + } + } + + if (success) { + blake2s256_hmac(hash, buf, key, sizeof(buf), sizeof(key)); + success &= !memcmp(hash, blake2s_hmac_testvecs[0], BLAKE2S_HASH_SIZE); + + blake2s256_hmac(hash, key, buf, sizeof(key), sizeof(buf)); + success &= !memcmp(hash, blake2s_hmac_testvecs[1], BLAKE2S_HASH_SIZE); + + if (!success) + pr_err("blake2s256_hmac self-test: FAIL\n"); + } + + return success; +} diff --git a/lib/crypto/blake2s.c b/lib/crypto/blake2s.c new file mode 100644 index 000000000000..41025a30c524 --- /dev/null +++ b/lib/crypto/blake2s.c @@ -0,0 +1,126 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* + * Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. + * + * This is an implementation of the BLAKE2s hash and PRF functions. + * + * Information: https://blake2.net/ + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +bool blake2s_selftest(void); + +void blake2s_update(struct blake2s_state *state, const u8 *in, size_t inlen) +{ + const size_t fill = BLAKE2S_BLOCK_SIZE - state->buflen; + + if (unlikely(!inlen)) + return; + if (inlen > fill) { + memcpy(state->buf + state->buflen, in, fill); + if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_BLAKE2S)) + blake2s_compress_arch(state, state->buf, 1, + BLAKE2S_BLOCK_SIZE); + else + blake2s_compress_generic(state, state->buf, 1, + BLAKE2S_BLOCK_SIZE); + state->buflen = 0; + in += fill; + inlen -= fill; + } + if (inlen > BLAKE2S_BLOCK_SIZE) { + const size_t nblocks = DIV_ROUND_UP(inlen, BLAKE2S_BLOCK_SIZE); + /* Hash one less (full) block than strictly possible */ + if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_BLAKE2S)) + blake2s_compress_arch(state, in, nblocks - 1, + BLAKE2S_BLOCK_SIZE); + else + blake2s_compress_generic(state, in, nblocks - 1, + BLAKE2S_BLOCK_SIZE); + in += BLAKE2S_BLOCK_SIZE * (nblocks - 1); + inlen -= BLAKE2S_BLOCK_SIZE * (nblocks - 1); + } + memcpy(state->buf + state->buflen, in, inlen); + state->buflen += inlen; +} +EXPORT_SYMBOL(blake2s_update); + +void blake2s_final(struct blake2s_state *state, u8 *out) +{ + WARN_ON(IS_ENABLED(DEBUG) && !out); + blake2s_set_lastblock(state); + memset(state->buf + state->buflen, 0, + BLAKE2S_BLOCK_SIZE - state->buflen); /* Padding */ + if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_BLAKE2S)) + blake2s_compress_arch(state, state->buf, 1, state->buflen); + else + blake2s_compress_generic(state, state->buf, 1, state->buflen); + cpu_to_le32_array(state->h, ARRAY_SIZE(state->h)); + memcpy(out, state->h, state->outlen); + memzero_explicit(state, sizeof(*state)); +} +EXPORT_SYMBOL(blake2s_final); + +void blake2s256_hmac(u8 *out, const u8 *in, const u8 *key, const size_t inlen, + const size_t keylen) +{ + struct blake2s_state state; + u8 x_key[BLAKE2S_BLOCK_SIZE] __aligned(__alignof__(u32)) = { 0 }; + u8 i_hash[BLAKE2S_HASH_SIZE] __aligned(__alignof__(u32)); + int i; + + if (keylen > BLAKE2S_BLOCK_SIZE) { + blake2s_init(&state, BLAKE2S_HASH_SIZE); + blake2s_update(&state, key, keylen); + blake2s_final(&state, x_key); + } else + memcpy(x_key, key, keylen); + + for (i = 0; i < BLAKE2S_BLOCK_SIZE; ++i) + x_key[i] ^= 0x36; + + blake2s_init(&state, BLAKE2S_HASH_SIZE); + blake2s_update(&state, x_key, BLAKE2S_BLOCK_SIZE); + blake2s_update(&state, in, inlen); + blake2s_final(&state, i_hash); + + for (i = 0; i < BLAKE2S_BLOCK_SIZE; ++i) + x_key[i] ^= 0x5c ^ 0x36; + + blake2s_init(&state, BLAKE2S_HASH_SIZE); + blake2s_update(&state, x_key, BLAKE2S_BLOCK_SIZE); + blake2s_update(&state, i_hash, BLAKE2S_HASH_SIZE); + blake2s_final(&state, i_hash); + + memcpy(out, i_hash, BLAKE2S_HASH_SIZE); + memzero_explicit(x_key, BLAKE2S_BLOCK_SIZE); + memzero_explicit(i_hash, BLAKE2S_HASH_SIZE); +} +EXPORT_SYMBOL(blake2s256_hmac); + +static int __init mod_init(void) +{ + if (!IS_ENABLED(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS) && + WARN_ON(!blake2s_selftest())) + return -ENODEV; + return 0; +} + +static void __exit mod_exit(void) +{ +} + +module_init(mod_init); +module_exit(mod_exit); +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("BLAKE2s hash function"); +MODULE_AUTHOR("Jason A. Donenfeld "); From 43ec9b95a387a8239d9bbd5c75a754ad6dda523b Mon Sep 17 00:00:00 2001 From: Ard Biesheuvel Date: Fri, 8 Nov 2019 13:22:29 +0100 Subject: [PATCH 04/39] UPSTREAM: crypto: testmgr - add test cases for Blake2s As suggested by Eric for the Blake2b implementation contributed by David, introduce a set of test vectors for Blake2s covering different digest and key sizes. blake2s-128 blake2s-160 blake2s-224 blake2s-256 --------------------------------------------------- len=0 | klen=0 klen=1 klen=16 klen=32 len=1 | klen=16 klen=32 klen=0 klen=1 len=7 | klen=32 klen=0 klen=1 klen=16 len=15 | klen=1 klen=16 klen=32 klen=0 len=64 | klen=0 klen=1 klen=16 klen=32 len=247 | klen=16 klen=32 klen=0 klen=1 len=256 | klen=32 klen=0 klen=1 klen=16 Bug: 152722841 Cc: David Sterba Cc: Eric Biggers Signed-off-by: Ard Biesheuvel Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman Change-Id: I3476494a9cd5a37a1c539704fa23cf3bb61b444c --- crypto/testmgr.c | 24 +++++ crypto/testmgr.h | 251 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 275 insertions(+) diff --git a/crypto/testmgr.c b/crypto/testmgr.c index 7473c5bc06b1..711390861f71 100644 --- a/crypto/testmgr.c +++ b/crypto/testmgr.c @@ -4034,6 +4034,30 @@ static const struct alg_test_desc alg_test_descs[] = { .alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))", .test = alg_test_null, .fips_allowed = 1, + }, { + .alg = "blake2s-128", + .test = alg_test_hash, + .suite = { + .hash = __VECS(blakes2s_128_tv_template) + } + }, { + .alg = "blake2s-160", + .test = alg_test_hash, + .suite = { + .hash = __VECS(blakes2s_160_tv_template) + } + }, { + .alg = "blake2s-224", + .test = alg_test_hash, + .suite = { + .hash = __VECS(blakes2s_224_tv_template) + } + }, { + .alg = "blake2s-256", + .test = alg_test_hash, + .suite = { + .hash = __VECS(blakes2s_256_tv_template) + } }, { .alg = "cbc(aes)", .test = alg_test_skcipher, diff --git a/crypto/testmgr.h b/crypto/testmgr.h index ef7d21f39d4a..102fcad54966 100644 --- a/crypto/testmgr.h +++ b/crypto/testmgr.h @@ -31567,4 +31567,255 @@ static const struct aead_testvec essiv_hmac_sha256_aes_cbc_tv_temp[] = { }, }; +static const char blake2_ordered_sequence[] = + "\x00\x01\x02\x03\x04\x05\x06\x07" + "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f" + "\x10\x11\x12\x13\x14\x15\x16\x17" + "\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" + "\x20\x21\x22\x23\x24\x25\x26\x27" + "\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f" + "\x30\x31\x32\x33\x34\x35\x36\x37" + "\x38\x39\x3a\x3b\x3c\x3d\x3e\x3f" + "\x40\x41\x42\x43\x44\x45\x46\x47" + "\x48\x49\x4a\x4b\x4c\x4d\x4e\x4f" + "\x50\x51\x52\x53\x54\x55\x56\x57" + "\x58\x59\x5a\x5b\x5c\x5d\x5e\x5f" + "\x60\x61\x62\x63\x64\x65\x66\x67" + "\x68\x69\x6a\x6b\x6c\x6d\x6e\x6f" + "\x70\x71\x72\x73\x74\x75\x76\x77" + "\x78\x79\x7a\x7b\x7c\x7d\x7e\x7f" + "\x80\x81\x82\x83\x84\x85\x86\x87" + "\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f" + "\x90\x91\x92\x93\x94\x95\x96\x97" + "\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f" + "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7" + "\xa8\xa9\xaa\xab\xac\xad\xae\xaf" + "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7" + "\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf" + "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7" + "\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf" + "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7" + "\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf" + "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7" + "\xe8\xe9\xea\xeb\xec\xed\xee\xef" + "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7" + "\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"; + +static const struct hash_testvec blakes2s_128_tv_template[] = {{ + .digest = (u8[]){ 0x64, 0x55, 0x0d, 0x6f, 0xfe, 0x2c, 0x0a, 0x01, + 0xa1, 0x4a, 0xba, 0x1e, 0xad, 0xe0, 0x20, 0x0c, }, +}, { + .plaintext = blake2_ordered_sequence, + .psize = 64, + .digest = (u8[]){ 0xdc, 0x66, 0xca, 0x8f, 0x03, 0x86, 0x58, 0x01, + 0xb0, 0xff, 0xe0, 0x6e, 0xd8, 0xa1, 0xa9, 0x0e, }, +}, { + .ksize = 16, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 1, + .digest = (u8[]){ 0x88, 0x1e, 0x42, 0xe7, 0xbb, 0x35, 0x80, 0x82, + 0x63, 0x7c, 0x0a, 0x0f, 0xd7, 0xec, 0x6c, 0x2f, }, +}, { + .ksize = 32, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 7, + .digest = (u8[]){ 0xcf, 0x9e, 0x07, 0x2a, 0xd5, 0x22, 0xf2, 0xcd, + 0xa2, 0xd8, 0x25, 0x21, 0x80, 0x86, 0x73, 0x1c, }, +}, { + .ksize = 1, + .key = "B", + .plaintext = blake2_ordered_sequence, + .psize = 15, + .digest = (u8[]){ 0xf6, 0x33, 0x5a, 0x2c, 0x22, 0xa0, 0x64, 0xb2, + 0xb6, 0x3f, 0xeb, 0xbc, 0xd1, 0xc3, 0xe5, 0xb2, }, +}, { + .ksize = 16, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 247, + .digest = (u8[]){ 0x72, 0x66, 0x49, 0x60, 0xf9, 0x4a, 0xea, 0xbe, + 0x1f, 0xf4, 0x60, 0xce, 0xb7, 0x81, 0xcb, 0x09, }, +}, { + .ksize = 32, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 256, + .digest = (u8[]){ 0xd5, 0xa4, 0x0e, 0xc3, 0x16, 0xc7, 0x51, 0xa6, + 0x3c, 0xd0, 0xd9, 0x11, 0x57, 0xfa, 0x1e, 0xbb, }, +}}; + +static const struct hash_testvec blakes2s_160_tv_template[] = {{ + .plaintext = blake2_ordered_sequence, + .psize = 7, + .digest = (u8[]){ 0xb4, 0xf2, 0x03, 0x49, 0x37, 0xed, 0xb1, 0x3e, + 0x5b, 0x2a, 0xca, 0x64, 0x82, 0x74, 0xf6, 0x62, + 0xe3, 0xf2, 0x84, 0xff, }, +}, { + .plaintext = blake2_ordered_sequence, + .psize = 256, + .digest = (u8[]){ 0xaa, 0x56, 0x9b, 0xdc, 0x98, 0x17, 0x75, 0xf2, + 0xb3, 0x68, 0x83, 0xb7, 0x9b, 0x8d, 0x48, 0xb1, + 0x9b, 0x2d, 0x35, 0x05, }, +}, { + .ksize = 1, + .key = "B", + .digest = (u8[]){ 0x50, 0x16, 0xe7, 0x0c, 0x01, 0xd0, 0xd3, 0xc3, + 0xf4, 0x3e, 0xb1, 0x6e, 0x97, 0xa9, 0x4e, 0xd1, + 0x79, 0x65, 0x32, 0x93, }, +}, { + .ksize = 32, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 1, + .digest = (u8[]){ 0x1c, 0x2b, 0xcd, 0x9a, 0x68, 0xca, 0x8c, 0x71, + 0x90, 0x29, 0x6c, 0x54, 0xfa, 0x56, 0x4a, 0xef, + 0xa2, 0x3a, 0x56, 0x9c, }, +}, { + .ksize = 16, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 15, + .digest = (u8[]){ 0x36, 0xc3, 0x5f, 0x9a, 0xdc, 0x7e, 0xbf, 0x19, + 0x68, 0xaa, 0xca, 0xd8, 0x81, 0xbf, 0x09, 0x34, + 0x83, 0x39, 0x0f, 0x30, }, +}, { + .ksize = 1, + .key = "B", + .plaintext = blake2_ordered_sequence, + .psize = 64, + .digest = (u8[]){ 0x86, 0x80, 0x78, 0xa4, 0x14, 0xec, 0x03, 0xe5, + 0xb6, 0x9a, 0x52, 0x0e, 0x42, 0xee, 0x39, 0x9d, + 0xac, 0xa6, 0x81, 0x63, }, +}, { + .ksize = 32, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 247, + .digest = (u8[]){ 0x2d, 0xd8, 0xd2, 0x53, 0x66, 0xfa, 0xa9, 0x01, + 0x1c, 0x9c, 0xaf, 0xa3, 0xe2, 0x9d, 0x9b, 0x10, + 0x0a, 0xf6, 0x73, 0xe8, }, +}}; + +static const struct hash_testvec blakes2s_224_tv_template[] = {{ + .plaintext = blake2_ordered_sequence, + .psize = 1, + .digest = (u8[]){ 0x61, 0xb9, 0x4e, 0xc9, 0x46, 0x22, 0xa3, 0x91, + 0xd2, 0xae, 0x42, 0xe6, 0x45, 0x6c, 0x90, 0x12, + 0xd5, 0x80, 0x07, 0x97, 0xb8, 0x86, 0x5a, 0xfc, + 0x48, 0x21, 0x97, 0xbb, }, +}, { + .plaintext = blake2_ordered_sequence, + .psize = 247, + .digest = (u8[]){ 0x9e, 0xda, 0xc7, 0x20, 0x2c, 0xd8, 0x48, 0x2e, + 0x31, 0x94, 0xab, 0x46, 0x6d, 0x94, 0xd8, 0xb4, + 0x69, 0xcd, 0xae, 0x19, 0x6d, 0x9e, 0x41, 0xcc, + 0x2b, 0xa4, 0xd5, 0xf6, }, +}, { + .ksize = 16, + .key = blake2_ordered_sequence, + .digest = (u8[]){ 0x32, 0xc0, 0xac, 0xf4, 0x3b, 0xd3, 0x07, 0x9f, + 0xbe, 0xfb, 0xfa, 0x4d, 0x6b, 0x4e, 0x56, 0xb3, + 0xaa, 0xd3, 0x27, 0xf6, 0x14, 0xbf, 0xb9, 0x32, + 0xa7, 0x19, 0xfc, 0xb8, }, +}, { + .ksize = 1, + .key = "B", + .plaintext = blake2_ordered_sequence, + .psize = 7, + .digest = (u8[]){ 0x73, 0xad, 0x5e, 0x6d, 0xb9, 0x02, 0x8e, 0x76, + 0xf2, 0x66, 0x42, 0x4b, 0x4c, 0xfa, 0x1f, 0xe6, + 0x2e, 0x56, 0x40, 0xe5, 0xa2, 0xb0, 0x3c, 0xe8, + 0x7b, 0x45, 0xfe, 0x05, }, +}, { + .ksize = 32, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 15, + .digest = (u8[]){ 0x16, 0x60, 0xfb, 0x92, 0x54, 0xb3, 0x6e, 0x36, + 0x81, 0xf4, 0x16, 0x41, 0xc3, 0x3d, 0xd3, 0x43, + 0x84, 0xed, 0x10, 0x6f, 0x65, 0x80, 0x7a, 0x3e, + 0x25, 0xab, 0xc5, 0x02, }, +}, { + .ksize = 16, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 64, + .digest = (u8[]){ 0xca, 0xaa, 0x39, 0x67, 0x9c, 0xf7, 0x6b, 0xc7, + 0xb6, 0x82, 0xca, 0x0e, 0x65, 0x36, 0x5b, 0x7c, + 0x24, 0x00, 0xfa, 0x5f, 0xda, 0x06, 0x91, 0x93, + 0x6a, 0x31, 0x83, 0xb5, }, +}, { + .ksize = 1, + .key = "B", + .plaintext = blake2_ordered_sequence, + .psize = 256, + .digest = (u8[]){ 0x90, 0x02, 0x26, 0xb5, 0x06, 0x9c, 0x36, 0x86, + 0x94, 0x91, 0x90, 0x1e, 0x7d, 0x2a, 0x71, 0xb2, + 0x48, 0xb5, 0xe8, 0x16, 0xfd, 0x64, 0x33, 0x45, + 0xb3, 0xd7, 0xec, 0xcc, }, +}}; + +static const struct hash_testvec blakes2s_256_tv_template[] = {{ + .plaintext = blake2_ordered_sequence, + .psize = 15, + .digest = (u8[]){ 0xd9, 0x7c, 0x82, 0x8d, 0x81, 0x82, 0xa7, 0x21, + 0x80, 0xa0, 0x6a, 0x78, 0x26, 0x83, 0x30, 0x67, + 0x3f, 0x7c, 0x4e, 0x06, 0x35, 0x94, 0x7c, 0x04, + 0xc0, 0x23, 0x23, 0xfd, 0x45, 0xc0, 0xa5, 0x2d, }, +}, { + .ksize = 32, + .key = blake2_ordered_sequence, + .digest = (u8[]){ 0x48, 0xa8, 0x99, 0x7d, 0xa4, 0x07, 0x87, 0x6b, + 0x3d, 0x79, 0xc0, 0xd9, 0x23, 0x25, 0xad, 0x3b, + 0x89, 0xcb, 0xb7, 0x54, 0xd8, 0x6a, 0xb7, 0x1a, + 0xee, 0x04, 0x7a, 0xd3, 0x45, 0xfd, 0x2c, 0x49, }, +}, { + .ksize = 1, + .key = "B", + .plaintext = blake2_ordered_sequence, + .psize = 1, + .digest = (u8[]){ 0x22, 0x27, 0xae, 0xaa, 0x6e, 0x81, 0x56, 0x03, + 0xa7, 0xe3, 0xa1, 0x18, 0xa5, 0x9a, 0x2c, 0x18, + 0xf4, 0x63, 0xbc, 0x16, 0x70, 0xf1, 0xe7, 0x4b, + 0x00, 0x6d, 0x66, 0x16, 0xae, 0x9e, 0x74, 0x4e, }, +}, { + .ksize = 16, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 7, + .digest = (u8[]){ 0x58, 0x5d, 0xa8, 0x60, 0x1c, 0xa4, 0xd8, 0x03, + 0x86, 0x86, 0x84, 0x64, 0xd7, 0xa0, 0x8e, 0x15, + 0x2f, 0x05, 0xa2, 0x1b, 0xbc, 0xef, 0x7a, 0x34, + 0xb3, 0xc5, 0xbc, 0x4b, 0xf0, 0x32, 0xeb, 0x12, }, +}, { + .ksize = 32, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 64, + .digest = (u8[]){ 0x89, 0x75, 0xb0, 0x57, 0x7f, 0xd3, 0x55, 0x66, + 0xd7, 0x50, 0xb3, 0x62, 0xb0, 0x89, 0x7a, 0x26, + 0xc3, 0x99, 0x13, 0x6d, 0xf0, 0x7b, 0xab, 0xab, + 0xbd, 0xe6, 0x20, 0x3f, 0xf2, 0x95, 0x4e, 0xd4, }, +}, { + .ksize = 1, + .key = "B", + .plaintext = blake2_ordered_sequence, + .psize = 247, + .digest = (u8[]){ 0x2e, 0x74, 0x1c, 0x1d, 0x03, 0xf4, 0x9d, 0x84, + 0x6f, 0xfc, 0x86, 0x32, 0x92, 0x49, 0x7e, 0x66, + 0xd7, 0xc3, 0x10, 0x88, 0xfe, 0x28, 0xb3, 0xe0, + 0xbf, 0x50, 0x75, 0xad, 0x8e, 0xa4, 0xe6, 0xb2, }, +}, { + .ksize = 16, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 256, + .digest = (u8[]){ 0xb9, 0xd2, 0x81, 0x0e, 0x3a, 0xb1, 0x62, 0x9b, + 0xad, 0x44, 0x05, 0xf4, 0x92, 0x2e, 0x99, 0xc1, + 0x4a, 0x47, 0xbb, 0x5b, 0x6f, 0xb2, 0x96, 0xed, + 0xd5, 0x06, 0xb5, 0x3a, 0x7c, 0x7a, 0x65, 0x1d, }, +}}; + #endif /* _CRYPTO_TESTMGR_H */ From 22bff7a3f677b5897a84e738b9154019b7833ebc Mon Sep 17 00:00:00 2001 From: Ard Biesheuvel Date: Fri, 8 Nov 2019 13:22:30 +0100 Subject: [PATCH 05/39] UPSTREAM: crypto: blake2s - implement generic shash driver Wire up our newly added Blake2s implementation via the shash API. Bug: 152722841 Signed-off-by: Ard Biesheuvel Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman Change-Id: I115c2963e90a1a1d2734865d8a2c2e6df5008537 --- crypto/Kconfig | 18 ++++ crypto/Makefile | 1 + crypto/blake2s_generic.c | 171 ++++++++++++++++++++++++++++++ include/crypto/internal/blake2s.h | 5 + 4 files changed, 195 insertions(+) create mode 100644 crypto/blake2s_generic.c diff --git a/crypto/Kconfig b/crypto/Kconfig index 7d19b46a7ef7..5a93e74df37d 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -639,6 +639,24 @@ config CRYPTO_XXHASH xxHash non-cryptographic hash algorithm. Extremely fast, working at speeds close to RAM limits. +config CRYPTO_BLAKE2S + tristate "BLAKE2s digest algorithm" + select CRYPTO_LIB_BLAKE2S_GENERIC + select CRYPTO_HASH + help + Implementation of cryptographic hash function BLAKE2s + optimized for 8-32bit platforms and can produce digests of any size + between 1 to 32. The keyed hash is also implemented. + + This module provides the following algorithms: + + - blake2s-128 + - blake2s-160 + - blake2s-224 + - blake2s-256 + + See https://blake2.net for further information. + config CRYPTO_CRCT10DIF tristate "CRCT10DIF algorithm" select CRYPTO_HASH diff --git a/crypto/Makefile b/crypto/Makefile index aa740c8492b9..fd27edea7c8e 100644 --- a/crypto/Makefile +++ b/crypto/Makefile @@ -74,6 +74,7 @@ obj-$(CONFIG_CRYPTO_STREEBOG) += streebog_generic.o obj-$(CONFIG_CRYPTO_WP512) += wp512.o CFLAGS_wp512.o := $(call cc-option,-fno-schedule-insns) # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79149 obj-$(CONFIG_CRYPTO_TGR192) += tgr192.o +obj-$(CONFIG_CRYPTO_BLAKE2S) += blake2s_generic.o obj-$(CONFIG_CRYPTO_GF128MUL) += gf128mul.o obj-$(CONFIG_CRYPTO_ECB) += ecb.o obj-$(CONFIG_CRYPTO_CBC) += cbc.o diff --git a/crypto/blake2s_generic.c b/crypto/blake2s_generic.c new file mode 100644 index 000000000000..ed0c74640470 --- /dev/null +++ b/crypto/blake2s_generic.c @@ -0,0 +1,171 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* + * Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. + */ + +#include +#include +#include + +#include +#include +#include +#include + +static int crypto_blake2s_setkey(struct crypto_shash *tfm, const u8 *key, + unsigned int keylen) +{ + struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(tfm); + + if (keylen == 0 || keylen > BLAKE2S_KEY_SIZE) { + crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); + return -EINVAL; + } + + memcpy(tctx->key, key, keylen); + tctx->keylen = keylen; + + return 0; +} + +static int crypto_blake2s_init(struct shash_desc *desc) +{ + struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm); + struct blake2s_state *state = shash_desc_ctx(desc); + const int outlen = crypto_shash_digestsize(desc->tfm); + + if (tctx->keylen) + blake2s_init_key(state, outlen, tctx->key, tctx->keylen); + else + blake2s_init(state, outlen); + + return 0; +} + +static int crypto_blake2s_update(struct shash_desc *desc, const u8 *in, + unsigned int inlen) +{ + struct blake2s_state *state = shash_desc_ctx(desc); + const size_t fill = BLAKE2S_BLOCK_SIZE - state->buflen; + + if (unlikely(!inlen)) + return 0; + if (inlen > fill) { + memcpy(state->buf + state->buflen, in, fill); + blake2s_compress_generic(state, state->buf, 1, BLAKE2S_BLOCK_SIZE); + state->buflen = 0; + in += fill; + inlen -= fill; + } + if (inlen > BLAKE2S_BLOCK_SIZE) { + const size_t nblocks = DIV_ROUND_UP(inlen, BLAKE2S_BLOCK_SIZE); + /* Hash one less (full) block than strictly possible */ + blake2s_compress_generic(state, in, nblocks - 1, BLAKE2S_BLOCK_SIZE); + in += BLAKE2S_BLOCK_SIZE * (nblocks - 1); + inlen -= BLAKE2S_BLOCK_SIZE * (nblocks - 1); + } + memcpy(state->buf + state->buflen, in, inlen); + state->buflen += inlen; + + return 0; +} + +static int crypto_blake2s_final(struct shash_desc *desc, u8 *out) +{ + struct blake2s_state *state = shash_desc_ctx(desc); + + blake2s_set_lastblock(state); + memset(state->buf + state->buflen, 0, + BLAKE2S_BLOCK_SIZE - state->buflen); /* Padding */ + blake2s_compress_generic(state, state->buf, 1, state->buflen); + cpu_to_le32_array(state->h, ARRAY_SIZE(state->h)); + memcpy(out, state->h, state->outlen); + memzero_explicit(state, sizeof(*state)); + + return 0; +} + +static struct shash_alg blake2s_algs[] = {{ + .base.cra_name = "blake2s-128", + .base.cra_driver_name = "blake2s-128-generic", + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, + .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), + .base.cra_priority = 200, + .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, + .base.cra_module = THIS_MODULE, + + .digestsize = BLAKE2S_128_HASH_SIZE, + .setkey = crypto_blake2s_setkey, + .init = crypto_blake2s_init, + .update = crypto_blake2s_update, + .final = crypto_blake2s_final, + .descsize = sizeof(struct blake2s_state), +}, { + .base.cra_name = "blake2s-160", + .base.cra_driver_name = "blake2s-160-generic", + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, + .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), + .base.cra_priority = 200, + .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, + .base.cra_module = THIS_MODULE, + + .digestsize = BLAKE2S_160_HASH_SIZE, + .setkey = crypto_blake2s_setkey, + .init = crypto_blake2s_init, + .update = crypto_blake2s_update, + .final = crypto_blake2s_final, + .descsize = sizeof(struct blake2s_state), +}, { + .base.cra_name = "blake2s-224", + .base.cra_driver_name = "blake2s-224-generic", + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, + .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), + .base.cra_priority = 200, + .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, + .base.cra_module = THIS_MODULE, + + .digestsize = BLAKE2S_224_HASH_SIZE, + .setkey = crypto_blake2s_setkey, + .init = crypto_blake2s_init, + .update = crypto_blake2s_update, + .final = crypto_blake2s_final, + .descsize = sizeof(struct blake2s_state), +}, { + .base.cra_name = "blake2s-256", + .base.cra_driver_name = "blake2s-256-generic", + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, + .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), + .base.cra_priority = 200, + .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, + .base.cra_module = THIS_MODULE, + + .digestsize = BLAKE2S_256_HASH_SIZE, + .setkey = crypto_blake2s_setkey, + .init = crypto_blake2s_init, + .update = crypto_blake2s_update, + .final = crypto_blake2s_final, + .descsize = sizeof(struct blake2s_state), +}}; + +static int __init blake2s_mod_init(void) +{ + return crypto_register_shashes(blake2s_algs, ARRAY_SIZE(blake2s_algs)); +} + +static void __exit blake2s_mod_exit(void) +{ + crypto_unregister_shashes(blake2s_algs, ARRAY_SIZE(blake2s_algs)); +} + +subsys_initcall(blake2s_mod_init); +module_exit(blake2s_mod_exit); + +MODULE_ALIAS_CRYPTO("blake2s-128"); +MODULE_ALIAS_CRYPTO("blake2s-128-generic"); +MODULE_ALIAS_CRYPTO("blake2s-160"); +MODULE_ALIAS_CRYPTO("blake2s-160-generic"); +MODULE_ALIAS_CRYPTO("blake2s-224"); +MODULE_ALIAS_CRYPTO("blake2s-224-generic"); +MODULE_ALIAS_CRYPTO("blake2s-256"); +MODULE_ALIAS_CRYPTO("blake2s-256-generic"); +MODULE_LICENSE("GPL v2"); diff --git a/include/crypto/internal/blake2s.h b/include/crypto/internal/blake2s.h index 941693effc7d..74ff77032e52 100644 --- a/include/crypto/internal/blake2s.h +++ b/include/crypto/internal/blake2s.h @@ -5,6 +5,11 @@ #include +struct blake2s_tfm_ctx { + u8 key[BLAKE2S_KEY_SIZE]; + unsigned int keylen; +}; + void blake2s_compress_generic(struct blake2s_state *state,const u8 *block, size_t nblocks, const u32 inc); From 3e82f8af26718159e2dbf8c6d8bf1fd6f5631458 Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Fri, 8 Nov 2019 13:22:31 +0100 Subject: [PATCH 06/39] UPSTREAM: crypto: blake2s - x86_64 SIMD implementation These implementations from Samuel Neves support AVX and AVX-512VL. Originally this used AVX-512F, but Skylake thermal throttling made AVX-512VL more attractive and possible to do with negligable difference. Bug: 152722841 Signed-off-by: Jason A. Donenfeld Signed-off-by: Samuel Neves Co-developed-by: Samuel Neves [ardb: move to arch/x86/crypto, wire into lib/crypto framework] Signed-off-by: Ard Biesheuvel Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman Change-Id: I25f5770976a2681e24a1e762360c2a9900e9a62c --- arch/x86/crypto/Makefile | 2 + arch/x86/crypto/blake2s-core.S | 258 +++++++++++++++++++++++++++++++++ arch/x86/crypto/blake2s-glue.c | 233 +++++++++++++++++++++++++++++ crypto/Kconfig | 6 + 4 files changed, 499 insertions(+) create mode 100644 arch/x86/crypto/blake2s-core.S create mode 100644 arch/x86/crypto/blake2s-glue.c diff --git a/arch/x86/crypto/Makefile b/arch/x86/crypto/Makefile index 759b1a927826..922c8ecfa00f 100644 --- a/arch/x86/crypto/Makefile +++ b/arch/x86/crypto/Makefile @@ -48,6 +48,7 @@ ifeq ($(avx_supported),yes) obj-$(CONFIG_CRYPTO_CAST6_AVX_X86_64) += cast6-avx-x86_64.o obj-$(CONFIG_CRYPTO_TWOFISH_AVX_X86_64) += twofish-avx-x86_64.o obj-$(CONFIG_CRYPTO_SERPENT_AVX_X86_64) += serpent-avx-x86_64.o + obj-$(CONFIG_CRYPTO_BLAKE2S_X86) += blake2s-x86_64.o endif # These modules require assembler to support AVX2. @@ -70,6 +71,7 @@ serpent-sse2-x86_64-y := serpent-sse2-x86_64-asm_64.o serpent_sse2_glue.o aegis128-aesni-y := aegis128-aesni-asm.o aegis128-aesni-glue.o nhpoly1305-sse2-y := nh-sse2-x86_64.o nhpoly1305-sse2-glue.o +blake2s-x86_64-y := blake2s-core.o blake2s-glue.o ifeq ($(avx_supported),yes) camellia-aesni-avx-x86_64-y := camellia-aesni-avx-asm_64.o \ diff --git a/arch/x86/crypto/blake2s-core.S b/arch/x86/crypto/blake2s-core.S new file mode 100644 index 000000000000..8591938eee26 --- /dev/null +++ b/arch/x86/crypto/blake2s-core.S @@ -0,0 +1,258 @@ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ +/* + * Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. + * Copyright (C) 2017-2019 Samuel Neves . All Rights Reserved. + */ + +#include + +.section .rodata.cst32.BLAKE2S_IV, "aM", @progbits, 32 +.align 32 +IV: .octa 0xA54FF53A3C6EF372BB67AE856A09E667 + .octa 0x5BE0CD191F83D9AB9B05688C510E527F +.section .rodata.cst16.ROT16, "aM", @progbits, 16 +.align 16 +ROT16: .octa 0x0D0C0F0E09080B0A0504070601000302 +.section .rodata.cst16.ROR328, "aM", @progbits, 16 +.align 16 +ROR328: .octa 0x0C0F0E0D080B0A090407060500030201 +.section .rodata.cst64.BLAKE2S_SIGMA, "aM", @progbits, 160 +.align 64 +SIGMA: +.byte 0, 2, 4, 6, 1, 3, 5, 7, 14, 8, 10, 12, 15, 9, 11, 13 +.byte 14, 4, 9, 13, 10, 8, 15, 6, 5, 1, 0, 11, 3, 12, 2, 7 +.byte 11, 12, 5, 15, 8, 0, 2, 13, 9, 10, 3, 7, 4, 14, 6, 1 +.byte 7, 3, 13, 11, 9, 1, 12, 14, 15, 2, 5, 4, 8, 6, 10, 0 +.byte 9, 5, 2, 10, 0, 7, 4, 15, 3, 14, 11, 6, 13, 1, 12, 8 +.byte 2, 6, 0, 8, 12, 10, 11, 3, 1, 4, 7, 15, 9, 13, 5, 14 +.byte 12, 1, 14, 4, 5, 15, 13, 10, 8, 0, 6, 9, 11, 7, 3, 2 +.byte 13, 7, 12, 3, 11, 14, 1, 9, 2, 5, 15, 8, 10, 0, 4, 6 +.byte 6, 14, 11, 0, 15, 9, 3, 8, 10, 12, 13, 1, 5, 2, 7, 4 +.byte 10, 8, 7, 1, 2, 4, 6, 5, 13, 15, 9, 3, 0, 11, 14, 12 +#ifdef CONFIG_AS_AVX512 +.section .rodata.cst64.BLAKE2S_SIGMA2, "aM", @progbits, 640 +.align 64 +SIGMA2: +.long 0, 2, 4, 6, 1, 3, 5, 7, 14, 8, 10, 12, 15, 9, 11, 13 +.long 8, 2, 13, 15, 10, 9, 12, 3, 6, 4, 0, 14, 5, 11, 1, 7 +.long 11, 13, 8, 6, 5, 10, 14, 3, 2, 4, 12, 15, 1, 0, 7, 9 +.long 11, 10, 7, 0, 8, 15, 1, 13, 3, 6, 2, 12, 4, 14, 9, 5 +.long 4, 10, 9, 14, 15, 0, 11, 8, 1, 7, 3, 13, 2, 5, 6, 12 +.long 2, 11, 4, 15, 14, 3, 10, 8, 13, 6, 5, 7, 0, 12, 1, 9 +.long 4, 8, 15, 9, 14, 11, 13, 5, 3, 2, 1, 12, 6, 10, 7, 0 +.long 6, 13, 0, 14, 12, 2, 1, 11, 15, 4, 5, 8, 7, 9, 3, 10 +.long 15, 5, 4, 13, 10, 7, 3, 11, 12, 2, 0, 6, 9, 8, 1, 14 +.long 8, 7, 14, 11, 13, 15, 0, 12, 10, 4, 5, 6, 3, 2, 1, 9 +#endif /* CONFIG_AS_AVX512 */ + +.text +#ifdef CONFIG_AS_SSSE3 +ENTRY(blake2s_compress_ssse3) + testq %rdx,%rdx + je .Lendofloop + movdqu (%rdi),%xmm0 + movdqu 0x10(%rdi),%xmm1 + movdqa ROT16(%rip),%xmm12 + movdqa ROR328(%rip),%xmm13 + movdqu 0x20(%rdi),%xmm14 + movq %rcx,%xmm15 + leaq SIGMA+0xa0(%rip),%r8 + jmp .Lbeginofloop + .align 32 +.Lbeginofloop: + movdqa %xmm0,%xmm10 + movdqa %xmm1,%xmm11 + paddq %xmm15,%xmm14 + movdqa IV(%rip),%xmm2 + movdqa %xmm14,%xmm3 + pxor IV+0x10(%rip),%xmm3 + leaq SIGMA(%rip),%rcx +.Lroundloop: + movzbl (%rcx),%eax + movd (%rsi,%rax,4),%xmm4 + movzbl 0x1(%rcx),%eax + movd (%rsi,%rax,4),%xmm5 + movzbl 0x2(%rcx),%eax + movd (%rsi,%rax,4),%xmm6 + movzbl 0x3(%rcx),%eax + movd (%rsi,%rax,4),%xmm7 + punpckldq %xmm5,%xmm4 + punpckldq %xmm7,%xmm6 + punpcklqdq %xmm6,%xmm4 + paddd %xmm4,%xmm0 + paddd %xmm1,%xmm0 + pxor %xmm0,%xmm3 + pshufb %xmm12,%xmm3 + paddd %xmm3,%xmm2 + pxor %xmm2,%xmm1 + movdqa %xmm1,%xmm8 + psrld $0xc,%xmm1 + pslld $0x14,%xmm8 + por %xmm8,%xmm1 + movzbl 0x4(%rcx),%eax + movd (%rsi,%rax,4),%xmm5 + movzbl 0x5(%rcx),%eax + movd (%rsi,%rax,4),%xmm6 + movzbl 0x6(%rcx),%eax + movd (%rsi,%rax,4),%xmm7 + movzbl 0x7(%rcx),%eax + movd (%rsi,%rax,4),%xmm4 + punpckldq %xmm6,%xmm5 + punpckldq %xmm4,%xmm7 + punpcklqdq %xmm7,%xmm5 + paddd %xmm5,%xmm0 + paddd %xmm1,%xmm0 + pxor %xmm0,%xmm3 + pshufb %xmm13,%xmm3 + paddd %xmm3,%xmm2 + pxor %xmm2,%xmm1 + movdqa %xmm1,%xmm8 + psrld $0x7,%xmm1 + pslld $0x19,%xmm8 + por %xmm8,%xmm1 + pshufd $0x93,%xmm0,%xmm0 + pshufd $0x4e,%xmm3,%xmm3 + pshufd $0x39,%xmm2,%xmm2 + movzbl 0x8(%rcx),%eax + movd (%rsi,%rax,4),%xmm6 + movzbl 0x9(%rcx),%eax + movd (%rsi,%rax,4),%xmm7 + movzbl 0xa(%rcx),%eax + movd (%rsi,%rax,4),%xmm4 + movzbl 0xb(%rcx),%eax + movd (%rsi,%rax,4),%xmm5 + punpckldq %xmm7,%xmm6 + punpckldq %xmm5,%xmm4 + punpcklqdq %xmm4,%xmm6 + paddd %xmm6,%xmm0 + paddd %xmm1,%xmm0 + pxor %xmm0,%xmm3 + pshufb %xmm12,%xmm3 + paddd %xmm3,%xmm2 + pxor %xmm2,%xmm1 + movdqa %xmm1,%xmm8 + psrld $0xc,%xmm1 + pslld $0x14,%xmm8 + por %xmm8,%xmm1 + movzbl 0xc(%rcx),%eax + movd (%rsi,%rax,4),%xmm7 + movzbl 0xd(%rcx),%eax + movd (%rsi,%rax,4),%xmm4 + movzbl 0xe(%rcx),%eax + movd (%rsi,%rax,4),%xmm5 + movzbl 0xf(%rcx),%eax + movd (%rsi,%rax,4),%xmm6 + punpckldq %xmm4,%xmm7 + punpckldq %xmm6,%xmm5 + punpcklqdq %xmm5,%xmm7 + paddd %xmm7,%xmm0 + paddd %xmm1,%xmm0 + pxor %xmm0,%xmm3 + pshufb %xmm13,%xmm3 + paddd %xmm3,%xmm2 + pxor %xmm2,%xmm1 + movdqa %xmm1,%xmm8 + psrld $0x7,%xmm1 + pslld $0x19,%xmm8 + por %xmm8,%xmm1 + pshufd $0x39,%xmm0,%xmm0 + pshufd $0x4e,%xmm3,%xmm3 + pshufd $0x93,%xmm2,%xmm2 + addq $0x10,%rcx + cmpq %r8,%rcx + jnz .Lroundloop + pxor %xmm2,%xmm0 + pxor %xmm3,%xmm1 + pxor %xmm10,%xmm0 + pxor %xmm11,%xmm1 + addq $0x40,%rsi + decq %rdx + jnz .Lbeginofloop + movdqu %xmm0,(%rdi) + movdqu %xmm1,0x10(%rdi) + movdqu %xmm14,0x20(%rdi) +.Lendofloop: + ret +ENDPROC(blake2s_compress_ssse3) +#endif /* CONFIG_AS_SSSE3 */ + +#ifdef CONFIG_AS_AVX512 +ENTRY(blake2s_compress_avx512) + vmovdqu (%rdi),%xmm0 + vmovdqu 0x10(%rdi),%xmm1 + vmovdqu 0x20(%rdi),%xmm4 + vmovq %rcx,%xmm5 + vmovdqa IV(%rip),%xmm14 + vmovdqa IV+16(%rip),%xmm15 + jmp .Lblake2s_compress_avx512_mainloop +.align 32 +.Lblake2s_compress_avx512_mainloop: + vmovdqa %xmm0,%xmm10 + vmovdqa %xmm1,%xmm11 + vpaddq %xmm5,%xmm4,%xmm4 + vmovdqa %xmm14,%xmm2 + vpxor %xmm15,%xmm4,%xmm3 + vmovdqu (%rsi),%ymm6 + vmovdqu 0x20(%rsi),%ymm7 + addq $0x40,%rsi + leaq SIGMA2(%rip),%rax + movb $0xa,%cl +.Lblake2s_compress_avx512_roundloop: + addq $0x40,%rax + vmovdqa -0x40(%rax),%ymm8 + vmovdqa -0x20(%rax),%ymm9 + vpermi2d %ymm7,%ymm6,%ymm8 + vpermi2d %ymm7,%ymm6,%ymm9 + vmovdqa %ymm8,%ymm6 + vmovdqa %ymm9,%ymm7 + vpaddd %xmm8,%xmm0,%xmm0 + vpaddd %xmm1,%xmm0,%xmm0 + vpxor %xmm0,%xmm3,%xmm3 + vprord $0x10,%xmm3,%xmm3 + vpaddd %xmm3,%xmm2,%xmm2 + vpxor %xmm2,%xmm1,%xmm1 + vprord $0xc,%xmm1,%xmm1 + vextracti128 $0x1,%ymm8,%xmm8 + vpaddd %xmm8,%xmm0,%xmm0 + vpaddd %xmm1,%xmm0,%xmm0 + vpxor %xmm0,%xmm3,%xmm3 + vprord $0x8,%xmm3,%xmm3 + vpaddd %xmm3,%xmm2,%xmm2 + vpxor %xmm2,%xmm1,%xmm1 + vprord $0x7,%xmm1,%xmm1 + vpshufd $0x93,%xmm0,%xmm0 + vpshufd $0x4e,%xmm3,%xmm3 + vpshufd $0x39,%xmm2,%xmm2 + vpaddd %xmm9,%xmm0,%xmm0 + vpaddd %xmm1,%xmm0,%xmm0 + vpxor %xmm0,%xmm3,%xmm3 + vprord $0x10,%xmm3,%xmm3 + vpaddd %xmm3,%xmm2,%xmm2 + vpxor %xmm2,%xmm1,%xmm1 + vprord $0xc,%xmm1,%xmm1 + vextracti128 $0x1,%ymm9,%xmm9 + vpaddd %xmm9,%xmm0,%xmm0 + vpaddd %xmm1,%xmm0,%xmm0 + vpxor %xmm0,%xmm3,%xmm3 + vprord $0x8,%xmm3,%xmm3 + vpaddd %xmm3,%xmm2,%xmm2 + vpxor %xmm2,%xmm1,%xmm1 + vprord $0x7,%xmm1,%xmm1 + vpshufd $0x39,%xmm0,%xmm0 + vpshufd $0x4e,%xmm3,%xmm3 + vpshufd $0x93,%xmm2,%xmm2 + decb %cl + jne .Lblake2s_compress_avx512_roundloop + vpxor %xmm10,%xmm0,%xmm0 + vpxor %xmm11,%xmm1,%xmm1 + vpxor %xmm2,%xmm0,%xmm0 + vpxor %xmm3,%xmm1,%xmm1 + decq %rdx + jne .Lblake2s_compress_avx512_mainloop + vmovdqu %xmm0,(%rdi) + vmovdqu %xmm1,0x10(%rdi) + vmovdqu %xmm4,0x20(%rdi) + vzeroupper + retq +ENDPROC(blake2s_compress_avx512) +#endif /* CONFIG_AS_AVX512 */ diff --git a/arch/x86/crypto/blake2s-glue.c b/arch/x86/crypto/blake2s-glue.c new file mode 100644 index 000000000000..4a37ba7cdbe5 --- /dev/null +++ b/arch/x86/crypto/blake2s-glue.c @@ -0,0 +1,233 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* + * Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. + */ + +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include +#include + +asmlinkage void blake2s_compress_ssse3(struct blake2s_state *state, + const u8 *block, const size_t nblocks, + const u32 inc); +asmlinkage void blake2s_compress_avx512(struct blake2s_state *state, + const u8 *block, const size_t nblocks, + const u32 inc); + +static __ro_after_init DEFINE_STATIC_KEY_FALSE(blake2s_use_ssse3); +static __ro_after_init DEFINE_STATIC_KEY_FALSE(blake2s_use_avx512); + +void blake2s_compress_arch(struct blake2s_state *state, + const u8 *block, size_t nblocks, + const u32 inc) +{ + /* SIMD disables preemption, so relax after processing each page. */ + BUILD_BUG_ON(PAGE_SIZE / BLAKE2S_BLOCK_SIZE < 8); + + if (!static_branch_likely(&blake2s_use_ssse3) || !crypto_simd_usable()) { + blake2s_compress_generic(state, block, nblocks, inc); + return; + } + + for (;;) { + const size_t blocks = min_t(size_t, nblocks, + PAGE_SIZE / BLAKE2S_BLOCK_SIZE); + + kernel_fpu_begin(); + if (IS_ENABLED(CONFIG_AS_AVX512) && + static_branch_likely(&blake2s_use_avx512)) + blake2s_compress_avx512(state, block, blocks, inc); + else + blake2s_compress_ssse3(state, block, blocks, inc); + kernel_fpu_end(); + + nblocks -= blocks; + if (!nblocks) + break; + block += blocks * BLAKE2S_BLOCK_SIZE; + } +} +EXPORT_SYMBOL(blake2s_compress_arch); + +static int crypto_blake2s_setkey(struct crypto_shash *tfm, const u8 *key, + unsigned int keylen) +{ + struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(tfm); + + if (keylen == 0 || keylen > BLAKE2S_KEY_SIZE) { + crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); + return -EINVAL; + } + + memcpy(tctx->key, key, keylen); + tctx->keylen = keylen; + + return 0; +} + +static int crypto_blake2s_init(struct shash_desc *desc) +{ + struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm); + struct blake2s_state *state = shash_desc_ctx(desc); + const int outlen = crypto_shash_digestsize(desc->tfm); + + if (tctx->keylen) + blake2s_init_key(state, outlen, tctx->key, tctx->keylen); + else + blake2s_init(state, outlen); + + return 0; +} + +static int crypto_blake2s_update(struct shash_desc *desc, const u8 *in, + unsigned int inlen) +{ + struct blake2s_state *state = shash_desc_ctx(desc); + const size_t fill = BLAKE2S_BLOCK_SIZE - state->buflen; + + if (unlikely(!inlen)) + return 0; + if (inlen > fill) { + memcpy(state->buf + state->buflen, in, fill); + blake2s_compress_arch(state, state->buf, 1, BLAKE2S_BLOCK_SIZE); + state->buflen = 0; + in += fill; + inlen -= fill; + } + if (inlen > BLAKE2S_BLOCK_SIZE) { + const size_t nblocks = DIV_ROUND_UP(inlen, BLAKE2S_BLOCK_SIZE); + /* Hash one less (full) block than strictly possible */ + blake2s_compress_arch(state, in, nblocks - 1, BLAKE2S_BLOCK_SIZE); + in += BLAKE2S_BLOCK_SIZE * (nblocks - 1); + inlen -= BLAKE2S_BLOCK_SIZE * (nblocks - 1); + } + memcpy(state->buf + state->buflen, in, inlen); + state->buflen += inlen; + + return 0; +} + +static int crypto_blake2s_final(struct shash_desc *desc, u8 *out) +{ + struct blake2s_state *state = shash_desc_ctx(desc); + + blake2s_set_lastblock(state); + memset(state->buf + state->buflen, 0, + BLAKE2S_BLOCK_SIZE - state->buflen); /* Padding */ + blake2s_compress_arch(state, state->buf, 1, state->buflen); + cpu_to_le32_array(state->h, ARRAY_SIZE(state->h)); + memcpy(out, state->h, state->outlen); + memzero_explicit(state, sizeof(*state)); + + return 0; +} + +static struct shash_alg blake2s_algs[] = {{ + .base.cra_name = "blake2s-128", + .base.cra_driver_name = "blake2s-128-x86", + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, + .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), + .base.cra_priority = 200, + .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, + .base.cra_module = THIS_MODULE, + + .digestsize = BLAKE2S_128_HASH_SIZE, + .setkey = crypto_blake2s_setkey, + .init = crypto_blake2s_init, + .update = crypto_blake2s_update, + .final = crypto_blake2s_final, + .descsize = sizeof(struct blake2s_state), +}, { + .base.cra_name = "blake2s-160", + .base.cra_driver_name = "blake2s-160-x86", + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, + .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), + .base.cra_priority = 200, + .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, + .base.cra_module = THIS_MODULE, + + .digestsize = BLAKE2S_160_HASH_SIZE, + .setkey = crypto_blake2s_setkey, + .init = crypto_blake2s_init, + .update = crypto_blake2s_update, + .final = crypto_blake2s_final, + .descsize = sizeof(struct blake2s_state), +}, { + .base.cra_name = "blake2s-224", + .base.cra_driver_name = "blake2s-224-x86", + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, + .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), + .base.cra_priority = 200, + .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, + .base.cra_module = THIS_MODULE, + + .digestsize = BLAKE2S_224_HASH_SIZE, + .setkey = crypto_blake2s_setkey, + .init = crypto_blake2s_init, + .update = crypto_blake2s_update, + .final = crypto_blake2s_final, + .descsize = sizeof(struct blake2s_state), +}, { + .base.cra_name = "blake2s-256", + .base.cra_driver_name = "blake2s-256-x86", + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, + .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), + .base.cra_priority = 200, + .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, + .base.cra_module = THIS_MODULE, + + .digestsize = BLAKE2S_256_HASH_SIZE, + .setkey = crypto_blake2s_setkey, + .init = crypto_blake2s_init, + .update = crypto_blake2s_update, + .final = crypto_blake2s_final, + .descsize = sizeof(struct blake2s_state), +}}; + +static int __init blake2s_mod_init(void) +{ + if (!boot_cpu_has(X86_FEATURE_SSSE3)) + return 0; + + static_branch_enable(&blake2s_use_ssse3); + + if (IS_ENABLED(CONFIG_AS_AVX512) && + boot_cpu_has(X86_FEATURE_AVX) && + boot_cpu_has(X86_FEATURE_AVX2) && + boot_cpu_has(X86_FEATURE_AVX512F) && + boot_cpu_has(X86_FEATURE_AVX512VL) && + cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM | + XFEATURE_MASK_AVX512, NULL)) + static_branch_enable(&blake2s_use_avx512); + + return crypto_register_shashes(blake2s_algs, ARRAY_SIZE(blake2s_algs)); +} + +static void __exit blake2s_mod_exit(void) +{ + if (boot_cpu_has(X86_FEATURE_SSSE3)) + crypto_unregister_shashes(blake2s_algs, ARRAY_SIZE(blake2s_algs)); +} + +module_init(blake2s_mod_init); +module_exit(blake2s_mod_exit); + +MODULE_ALIAS_CRYPTO("blake2s-128"); +MODULE_ALIAS_CRYPTO("blake2s-128-x86"); +MODULE_ALIAS_CRYPTO("blake2s-160"); +MODULE_ALIAS_CRYPTO("blake2s-160-x86"); +MODULE_ALIAS_CRYPTO("blake2s-224"); +MODULE_ALIAS_CRYPTO("blake2s-224-x86"); +MODULE_ALIAS_CRYPTO("blake2s-256"); +MODULE_ALIAS_CRYPTO("blake2s-256-x86"); +MODULE_LICENSE("GPL v2"); diff --git a/crypto/Kconfig b/crypto/Kconfig index 5a93e74df37d..66e741e35dd1 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -657,6 +657,12 @@ config CRYPTO_BLAKE2S See https://blake2.net for further information. +config CRYPTO_BLAKE2S_X86 + tristate "BLAKE2s digest algorithm (x86 accelerated version)" + depends on X86 && 64BIT + select CRYPTO_LIB_BLAKE2S_GENERIC + select CRYPTO_ARCH_HAVE_LIB_BLAKE2S + config CRYPTO_CRCT10DIF tristate "CRCT10DIF algorithm" select CRYPTO_HASH From 9cd856934e8f5e319ad5deba8cb87796eb54a5d9 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Thu, 24 Oct 2019 18:28:31 +0200 Subject: [PATCH 07/39] BACKPORT: crypto: blake2b - add blake2b generic implementation The patch brings support of several BLAKE2 variants (2b with various digest lengths). The keyed digest is supported, using tfm->setkey call. The in-tree user will be btrfs (for checksumming), we're going to use the BLAKE2b-256 variant. The code is reference implementation taken from the official sources and modified in terms of kernel coding style (whitespace, comments, uintXX_t -> uXX types, removed unused prototypes and #ifdefs, removed testing code, changed secure_zero_memory -> memzero_explicit, used own helpers for unaligned reads/writes and rotations). Further changes removed sanity checks of key length or output size, these values are verified in the crypto API callbacks or hardcoded in shash_alg and not exposed to users. Signed-off-by: David Sterba Signed-off-by: Herbert Xu (cherry picked from commit 91d689337fe8b7703608a2ec39aae700b99f3933) Conflicts: crypto/Kconfig crypto/Makefile (trivial conflicts due to blake2s having been backported already) Bug: 178411248 Change-Id: Ic4c2314b146434a5842facf56e58d3602bacc7d5 Signed-off-by: Eric Biggers --- crypto/Kconfig | 17 ++ crypto/Makefile | 1 + crypto/blake2b_generic.c | 435 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 453 insertions(+) create mode 100644 crypto/blake2b_generic.c diff --git a/crypto/Kconfig b/crypto/Kconfig index 66e741e35dd1..004846b2d31b 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -663,6 +663,23 @@ config CRYPTO_BLAKE2S_X86 select CRYPTO_LIB_BLAKE2S_GENERIC select CRYPTO_ARCH_HAVE_LIB_BLAKE2S +config CRYPTO_BLAKE2B + tristate "BLAKE2b digest algorithm" + select CRYPTO_HASH + help + Implementation of cryptographic hash function BLAKE2b (or just BLAKE2), + optimized for 64bit platforms and can produce digests of any size + between 1 to 64. The keyed hash is also implemented. + + This module provides the following algorithms: + + - blake2b-160 + - blake2b-256 + - blake2b-384 + - blake2b-512 + + See https://blake2.net for further information. + config CRYPTO_CRCT10DIF tristate "CRCT10DIF algorithm" select CRYPTO_HASH diff --git a/crypto/Makefile b/crypto/Makefile index fd27edea7c8e..a7509fff575e 100644 --- a/crypto/Makefile +++ b/crypto/Makefile @@ -75,6 +75,7 @@ obj-$(CONFIG_CRYPTO_WP512) += wp512.o CFLAGS_wp512.o := $(call cc-option,-fno-schedule-insns) # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79149 obj-$(CONFIG_CRYPTO_TGR192) += tgr192.o obj-$(CONFIG_CRYPTO_BLAKE2S) += blake2s_generic.o +obj-$(CONFIG_CRYPTO_BLAKE2B) += blake2b_generic.o obj-$(CONFIG_CRYPTO_GF128MUL) += gf128mul.o obj-$(CONFIG_CRYPTO_ECB) += ecb.o obj-$(CONFIG_CRYPTO_CBC) += cbc.o diff --git a/crypto/blake2b_generic.c b/crypto/blake2b_generic.c new file mode 100644 index 000000000000..8dab65612a41 --- /dev/null +++ b/crypto/blake2b_generic.c @@ -0,0 +1,435 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR Apache-2.0) +/* + * BLAKE2b reference source code package - reference C implementations + * + * Copyright 2012, Samuel Neves . You may use this under the + * terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at + * your option. The terms of these licenses can be found at: + * + * - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0 + * - OpenSSL license : https://www.openssl.org/source/license.html + * - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0 + * + * More information about the BLAKE2 hash function can be found at + * https://blake2.net. + * + * Note: the original sources have been modified for inclusion in linux kernel + * in terms of coding style, using generic helpers and simplifications of error + * handling. + */ + +#include +#include +#include +#include +#include +#include + +#define BLAKE2B_160_DIGEST_SIZE (160 / 8) +#define BLAKE2B_256_DIGEST_SIZE (256 / 8) +#define BLAKE2B_384_DIGEST_SIZE (384 / 8) +#define BLAKE2B_512_DIGEST_SIZE (512 / 8) + +enum blake2b_constant { + BLAKE2B_BLOCKBYTES = 128, + BLAKE2B_OUTBYTES = 64, + BLAKE2B_KEYBYTES = 64, + BLAKE2B_SALTBYTES = 16, + BLAKE2B_PERSONALBYTES = 16 +}; + +struct blake2b_state { + u64 h[8]; + u64 t[2]; + u64 f[2]; + u8 buf[BLAKE2B_BLOCKBYTES]; + size_t buflen; + size_t outlen; + u8 last_node; +}; + +struct blake2b_param { + u8 digest_length; /* 1 */ + u8 key_length; /* 2 */ + u8 fanout; /* 3 */ + u8 depth; /* 4 */ + __le32 leaf_length; /* 8 */ + __le32 node_offset; /* 12 */ + __le32 xof_length; /* 16 */ + u8 node_depth; /* 17 */ + u8 inner_length; /* 18 */ + u8 reserved[14]; /* 32 */ + u8 salt[BLAKE2B_SALTBYTES]; /* 48 */ + u8 personal[BLAKE2B_PERSONALBYTES]; /* 64 */ +} __packed; + +static const u64 blake2b_IV[8] = { + 0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL, + 0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL, + 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL, + 0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL +}; + +static const u8 blake2b_sigma[12][16] = { + { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, + { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 }, + { 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 }, + { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 }, + { 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 }, + { 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 }, + { 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 }, + { 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 }, + { 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 }, + { 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0 }, + { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, + { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } +}; + +static void blake2b_update(struct blake2b_state *S, const void *pin, size_t inlen); + +static void blake2b_set_lastnode(struct blake2b_state *S) +{ + S->f[1] = (u64)-1; +} + +static void blake2b_set_lastblock(struct blake2b_state *S) +{ + if (S->last_node) + blake2b_set_lastnode(S); + + S->f[0] = (u64)-1; +} + +static void blake2b_increment_counter(struct blake2b_state *S, const u64 inc) +{ + S->t[0] += inc; + S->t[1] += (S->t[0] < inc); +} + +static void blake2b_init0(struct blake2b_state *S) +{ + size_t i; + + memset(S, 0, sizeof(struct blake2b_state)); + + for (i = 0; i < 8; ++i) + S->h[i] = blake2b_IV[i]; +} + +/* init xors IV with input parameter block */ +static void blake2b_init_param(struct blake2b_state *S, + const struct blake2b_param *P) +{ + const u8 *p = (const u8 *)(P); + size_t i; + + blake2b_init0(S); + + /* IV XOR ParamBlock */ + for (i = 0; i < 8; ++i) + S->h[i] ^= get_unaligned_le64(p + sizeof(S->h[i]) * i); + + S->outlen = P->digest_length; +} + +static void blake2b_init(struct blake2b_state *S, size_t outlen) +{ + struct blake2b_param P; + + P.digest_length = (u8)outlen; + P.key_length = 0; + P.fanout = 1; + P.depth = 1; + P.leaf_length = 0; + P.node_offset = 0; + P.xof_length = 0; + P.node_depth = 0; + P.inner_length = 0; + memset(P.reserved, 0, sizeof(P.reserved)); + memset(P.salt, 0, sizeof(P.salt)); + memset(P.personal, 0, sizeof(P.personal)); + blake2b_init_param(S, &P); +} + +static void blake2b_init_key(struct blake2b_state *S, size_t outlen, + const void *key, size_t keylen) +{ + struct blake2b_param P; + + P.digest_length = (u8)outlen; + P.key_length = (u8)keylen; + P.fanout = 1; + P.depth = 1; + P.leaf_length = 0; + P.node_offset = 0; + P.xof_length = 0; + P.node_depth = 0; + P.inner_length = 0; + memset(P.reserved, 0, sizeof(P.reserved)); + memset(P.salt, 0, sizeof(P.salt)); + memset(P.personal, 0, sizeof(P.personal)); + + blake2b_init_param(S, &P); + + { + u8 block[BLAKE2B_BLOCKBYTES]; + + memset(block, 0, BLAKE2B_BLOCKBYTES); + memcpy(block, key, keylen); + blake2b_update(S, block, BLAKE2B_BLOCKBYTES); + memzero_explicit(block, BLAKE2B_BLOCKBYTES); + } +} + +#define G(r,i,a,b,c,d) \ + do { \ + a = a + b + m[blake2b_sigma[r][2*i+0]]; \ + d = ror64(d ^ a, 32); \ + c = c + d; \ + b = ror64(b ^ c, 24); \ + a = a + b + m[blake2b_sigma[r][2*i+1]]; \ + d = ror64(d ^ a, 16); \ + c = c + d; \ + b = ror64(b ^ c, 63); \ + } while (0) + +#define ROUND(r) \ + do { \ + G(r,0,v[ 0],v[ 4],v[ 8],v[12]); \ + G(r,1,v[ 1],v[ 5],v[ 9],v[13]); \ + G(r,2,v[ 2],v[ 6],v[10],v[14]); \ + G(r,3,v[ 3],v[ 7],v[11],v[15]); \ + G(r,4,v[ 0],v[ 5],v[10],v[15]); \ + G(r,5,v[ 1],v[ 6],v[11],v[12]); \ + G(r,6,v[ 2],v[ 7],v[ 8],v[13]); \ + G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \ + } while (0) + +static void blake2b_compress(struct blake2b_state *S, + const u8 block[BLAKE2B_BLOCKBYTES]) +{ + u64 m[16]; + u64 v[16]; + size_t i; + + for (i = 0; i < 16; ++i) + m[i] = get_unaligned_le64(block + i * sizeof(m[i])); + + for (i = 0; i < 8; ++i) + v[i] = S->h[i]; + + v[ 8] = blake2b_IV[0]; + v[ 9] = blake2b_IV[1]; + v[10] = blake2b_IV[2]; + v[11] = blake2b_IV[3]; + v[12] = blake2b_IV[4] ^ S->t[0]; + v[13] = blake2b_IV[5] ^ S->t[1]; + v[14] = blake2b_IV[6] ^ S->f[0]; + v[15] = blake2b_IV[7] ^ S->f[1]; + + ROUND(0); + ROUND(1); + ROUND(2); + ROUND(3); + ROUND(4); + ROUND(5); + ROUND(6); + ROUND(7); + ROUND(8); + ROUND(9); + ROUND(10); + ROUND(11); + + for (i = 0; i < 8; ++i) + S->h[i] = S->h[i] ^ v[i] ^ v[i + 8]; +} + +#undef G +#undef ROUND + +static void blake2b_update(struct blake2b_state *S, const void *pin, size_t inlen) +{ + const u8 *in = (const u8 *)pin; + + if (inlen > 0) { + size_t left = S->buflen; + size_t fill = BLAKE2B_BLOCKBYTES - left; + + if (inlen > fill) { + S->buflen = 0; + /* Fill buffer */ + memcpy(S->buf + left, in, fill); + blake2b_increment_counter(S, BLAKE2B_BLOCKBYTES); + /* Compress */ + blake2b_compress(S, S->buf); + in += fill; + inlen -= fill; + while (inlen > BLAKE2B_BLOCKBYTES) { + blake2b_increment_counter(S, BLAKE2B_BLOCKBYTES); + blake2b_compress(S, in); + in += BLAKE2B_BLOCKBYTES; + inlen -= BLAKE2B_BLOCKBYTES; + } + } + memcpy(S->buf + S->buflen, in, inlen); + S->buflen += inlen; + } +} + +static void blake2b_final(struct blake2b_state *S, void *out, size_t outlen) +{ + u8 buffer[BLAKE2B_OUTBYTES] = {0}; + size_t i; + + blake2b_increment_counter(S, S->buflen); + blake2b_set_lastblock(S); + /* Padding */ + memset(S->buf + S->buflen, 0, BLAKE2B_BLOCKBYTES - S->buflen); + blake2b_compress(S, S->buf); + + /* Output full hash to temp buffer */ + for (i = 0; i < 8; ++i) + put_unaligned_le64(S->h[i], buffer + sizeof(S->h[i]) * i); + + memcpy(out, buffer, S->outlen); + memzero_explicit(buffer, sizeof(buffer)); +} + +struct digest_tfm_ctx { + u8 key[BLAKE2B_KEYBYTES]; + unsigned int keylen; +}; + +static int digest_setkey(struct crypto_shash *tfm, const u8 *key, + unsigned int keylen) +{ + struct digest_tfm_ctx *mctx = crypto_shash_ctx(tfm); + + if (keylen == 0 || keylen > BLAKE2B_KEYBYTES) { + crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); + return -EINVAL; + } + + memcpy(mctx->key, key, keylen); + mctx->keylen = keylen; + + return 0; +} + +static int digest_init(struct shash_desc *desc) +{ + struct digest_tfm_ctx *mctx = crypto_shash_ctx(desc->tfm); + struct blake2b_state *state = shash_desc_ctx(desc); + const int digestsize = crypto_shash_digestsize(desc->tfm); + + if (mctx->keylen == 0) + blake2b_init(state, digestsize); + else + blake2b_init_key(state, digestsize, mctx->key, mctx->keylen); + return 0; +} + +static int digest_update(struct shash_desc *desc, const u8 *data, + unsigned int length) +{ + struct blake2b_state *state = shash_desc_ctx(desc); + + blake2b_update(state, data, length); + return 0; +} + +static int digest_final(struct shash_desc *desc, u8 *out) +{ + struct blake2b_state *state = shash_desc_ctx(desc); + const int digestsize = crypto_shash_digestsize(desc->tfm); + + blake2b_final(state, out, digestsize); + return 0; +} + +static struct shash_alg blake2b_algs[] = { + { + .base.cra_name = "blake2b-160", + .base.cra_driver_name = "blake2b-160-generic", + .base.cra_priority = 100, + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, + .base.cra_blocksize = BLAKE2B_BLOCKBYTES, + .base.cra_ctxsize = sizeof(struct digest_tfm_ctx), + .base.cra_module = THIS_MODULE, + .digestsize = BLAKE2B_160_DIGEST_SIZE, + .setkey = digest_setkey, + .init = digest_init, + .update = digest_update, + .final = digest_final, + .descsize = sizeof(struct blake2b_state), + }, { + .base.cra_name = "blake2b-256", + .base.cra_driver_name = "blake2b-256-generic", + .base.cra_priority = 100, + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, + .base.cra_blocksize = BLAKE2B_BLOCKBYTES, + .base.cra_ctxsize = sizeof(struct digest_tfm_ctx), + .base.cra_module = THIS_MODULE, + .digestsize = BLAKE2B_256_DIGEST_SIZE, + .setkey = digest_setkey, + .init = digest_init, + .update = digest_update, + .final = digest_final, + .descsize = sizeof(struct blake2b_state), + }, { + .base.cra_name = "blake2b-384", + .base.cra_driver_name = "blake2b-384-generic", + .base.cra_priority = 100, + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, + .base.cra_blocksize = BLAKE2B_BLOCKBYTES, + .base.cra_ctxsize = sizeof(struct digest_tfm_ctx), + .base.cra_module = THIS_MODULE, + .digestsize = BLAKE2B_384_DIGEST_SIZE, + .setkey = digest_setkey, + .init = digest_init, + .update = digest_update, + .final = digest_final, + .descsize = sizeof(struct blake2b_state), + }, { + .base.cra_name = "blake2b-512", + .base.cra_driver_name = "blake2b-512-generic", + .base.cra_priority = 100, + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, + .base.cra_blocksize = BLAKE2B_BLOCKBYTES, + .base.cra_ctxsize = sizeof(struct digest_tfm_ctx), + .base.cra_module = THIS_MODULE, + .digestsize = BLAKE2B_512_DIGEST_SIZE, + .setkey = digest_setkey, + .init = digest_init, + .update = digest_update, + .final = digest_final, + .descsize = sizeof(struct blake2b_state), + } +}; + +static int __init blake2b_mod_init(void) +{ + BUILD_BUG_ON(sizeof(struct blake2b_param) != BLAKE2B_OUTBYTES); + + return crypto_register_shashes(blake2b_algs, ARRAY_SIZE(blake2b_algs)); +} + +static void __exit blake2b_mod_fini(void) +{ + crypto_unregister_shashes(blake2b_algs, ARRAY_SIZE(blake2b_algs)); +} + +subsys_initcall(blake2b_mod_init); +module_exit(blake2b_mod_fini); + +MODULE_AUTHOR("David Sterba "); +MODULE_DESCRIPTION("BLAKE2b generic implementation"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS_CRYPTO("blake2b-160"); +MODULE_ALIAS_CRYPTO("blake2b-160-generic"); +MODULE_ALIAS_CRYPTO("blake2b-256"); +MODULE_ALIAS_CRYPTO("blake2b-256-generic"); +MODULE_ALIAS_CRYPTO("blake2b-384"); +MODULE_ALIAS_CRYPTO("blake2b-384-generic"); +MODULE_ALIAS_CRYPTO("blake2b-512"); +MODULE_ALIAS_CRYPTO("blake2b-512-generic"); From fbbe069bbb910b914f55ee3ab67103a35cc86b2d Mon Sep 17 00:00:00 2001 From: David Sterba Date: Thu, 24 Oct 2019 18:28:32 +0200 Subject: [PATCH 08/39] BACKPORT: crypto: testmgr - add test vectors for blake2b Test vectors for blake2b with various digest sizes. As the algorithm is the same up to the digest calculation, the key and input data length is distributed in a way that tests all combinanions of the two over the digest sizes. Based on the suggestion from Eric, the following input sizes are tested [0, 1, 7, 15, 64, 247, 256], where blake2b blocksize is 128, so the padded and the non-padded input buffers are tested. blake2b-160 blake2b-256 blake2b-384 blake2b-512 --------------------------------------------------- len=0 | klen=0 klen=1 klen=32 klen=64 len=1 | klen=32 klen=64 klen=0 klen=1 len=7 | klen=64 klen=0 klen=1 klen=32 len=15 | klen=1 klen=32 klen=64 klen=0 len=64 | klen=0 klen=1 klen=32 klen=64 len=247 | klen=32 klen=64 klen=0 klen=1 len=256 | klen=64 klen=0 klen=1 klen=32 Where key: - klen=0: empty key - klen=1: 1 byte value 0x42, 'B' - klen=32: first 32 bytes of the default key, sequence 00..1f - klen=64: default key, sequence 00..3f The unkeyed vectors are ordered before keyed, as this is required by testmgr. CC: Eric Biggers Signed-off-by: David Sterba Signed-off-by: Herbert Xu (cherry picked from commit a1afe27492a408d45421a1812064235691303fa1) Conflicts: crypto/testmgr.c crypto/testmgr.h (resolved conflicts due to blake2s having been backported already) Bug: 178411248 Change-Id: I5d6e1c16b7be981f4912264cd67dc1dad20b6bec Signed-off-by: Eric Biggers --- crypto/testmgr.c | 28 +++++ crypto/testmgr.h | 273 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 301 insertions(+) diff --git a/crypto/testmgr.c b/crypto/testmgr.c index 711390861f71..14e6bf146643 100644 --- a/crypto/testmgr.c +++ b/crypto/testmgr.c @@ -4034,6 +4034,34 @@ static const struct alg_test_desc alg_test_descs[] = { .alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))", .test = alg_test_null, .fips_allowed = 1, + }, { + .alg = "blake2b-160", + .test = alg_test_hash, + .fips_allowed = 0, + .suite = { + .hash = __VECS(blake2b_160_tv_template) + } + }, { + .alg = "blake2b-256", + .test = alg_test_hash, + .fips_allowed = 0, + .suite = { + .hash = __VECS(blake2b_256_tv_template) + } + }, { + .alg = "blake2b-384", + .test = alg_test_hash, + .fips_allowed = 0, + .suite = { + .hash = __VECS(blake2b_384_tv_template) + } + }, { + .alg = "blake2b-512", + .test = alg_test_hash, + .fips_allowed = 0, + .suite = { + .hash = __VECS(blake2b_512_tv_template) + } }, { .alg = "blake2s-128", .test = alg_test_hash, diff --git a/crypto/testmgr.h b/crypto/testmgr.h index 102fcad54966..8179c93de63c 100644 --- a/crypto/testmgr.h +++ b/crypto/testmgr.h @@ -31601,6 +31601,279 @@ static const char blake2_ordered_sequence[] = "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7" "\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"; +static const struct hash_testvec blake2b_160_tv_template[] = {{ + .digest = (u8[]){ 0x33, 0x45, 0x52, 0x4a, 0xbf, 0x6b, 0xbe, 0x18, + 0x09, 0x44, 0x92, 0x24, 0xb5, 0x97, 0x2c, 0x41, + 0x79, 0x0b, 0x6c, 0xf2, }, +}, { + .plaintext = blake2_ordered_sequence, + .psize = 64, + .digest = (u8[]){ 0x11, 0xcc, 0x66, 0x61, 0xe9, 0x22, 0xb0, 0xe4, + 0x07, 0xe0, 0xa5, 0x72, 0x49, 0xc3, 0x8d, 0x4f, + 0xf7, 0x6d, 0x8e, 0xc8, }, +}, { + .ksize = 32, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 1, + .digest = (u8[]){ 0x31, 0xe3, 0xd9, 0xd5, 0x4e, 0x72, 0xd8, 0x0b, + 0x2b, 0x3b, 0xd7, 0x6b, 0x82, 0x7a, 0x1d, 0xfb, + 0x56, 0x2f, 0x79, 0x4c, }, +}, { + .ksize = 64, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 7, + .digest = (u8[]){ 0x28, 0x20, 0xd1, 0xbe, 0x7f, 0xcc, 0xc1, 0x62, + 0xd9, 0x0d, 0x9a, 0x4b, 0x47, 0xd1, 0x5e, 0x04, + 0x74, 0x2a, 0x53, 0x17, }, +}, { + .ksize = 1, + .key = "B", + .plaintext = blake2_ordered_sequence, + .psize = 15, + .digest = (u8[]){ 0x45, 0xe9, 0x95, 0xb6, 0xc4, 0xe8, 0x22, 0xea, + 0xfe, 0xd2, 0x37, 0xdb, 0x46, 0xbf, 0xf1, 0x25, + 0xd5, 0x03, 0x1d, 0x81, }, +}, { + .ksize = 32, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 247, + .digest = (u8[]){ 0x7e, 0xb9, 0xf2, 0x9b, 0x2f, 0xc2, 0x01, 0xd4, + 0xb0, 0x4f, 0x08, 0x2b, 0x8e, 0xbd, 0x06, 0xef, + 0x1c, 0xc4, 0x25, 0x95, }, +}, { + .ksize = 64, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 256, + .digest = (u8[]){ 0x6e, 0x35, 0x01, 0x70, 0xbf, 0xb6, 0xc4, 0xba, + 0x33, 0x1b, 0xa6, 0xd3, 0xc2, 0x5d, 0xb4, 0x03, + 0x95, 0xaf, 0x29, 0x16, }, +}}; + +static const struct hash_testvec blake2b_256_tv_template[] = {{ + .plaintext = blake2_ordered_sequence, + .psize = 7, + .digest = (u8[]){ 0x9d, 0xf1, 0x4b, 0x72, 0x48, 0x76, 0x4a, 0x86, + 0x91, 0x97, 0xc3, 0x5e, 0x39, 0x2d, 0x2a, 0x6d, + 0x6f, 0xdc, 0x5b, 0x79, 0xd5, 0x97, 0x29, 0x79, + 0x20, 0xfd, 0x3f, 0x14, 0x91, 0xb4, 0x42, 0xd2, }, +}, { + .plaintext = blake2_ordered_sequence, + .psize = 256, + .digest = (u8[]){ 0x39, 0xa7, 0xeb, 0x9f, 0xed, 0xc1, 0x9a, 0xab, + 0xc8, 0x34, 0x25, 0xc6, 0x75, 0x5d, 0xd9, 0x0e, + 0x6f, 0x9d, 0x0c, 0x80, 0x49, 0x64, 0xa1, 0xf4, + 0xaa, 0xee, 0xa3, 0xb9, 0xfb, 0x59, 0x98, 0x35, }, +}, { + .ksize = 1, + .key = "B", + .digest = (u8[]){ 0xc3, 0x08, 0xb1, 0xbf, 0xe4, 0xf9, 0xbc, 0xb4, + 0x75, 0xaf, 0x3f, 0x59, 0x6e, 0xae, 0xde, 0x6a, + 0xa3, 0x8e, 0xb5, 0x94, 0xad, 0x30, 0xf0, 0x17, + 0x1c, 0xfb, 0xd8, 0x3e, 0x8a, 0xbe, 0xed, 0x9c, }, +}, { + .ksize = 64, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 1, + .digest = (u8[]){ 0x34, 0x75, 0x8b, 0x64, 0x71, 0x35, 0x62, 0x82, + 0x97, 0xfb, 0x09, 0xc7, 0x93, 0x0c, 0xd0, 0x4e, + 0x95, 0x28, 0xe5, 0x66, 0x91, 0x12, 0xf5, 0xb1, + 0x31, 0x84, 0x93, 0xe1, 0x4d, 0xe7, 0x7e, 0x55, }, +}, { + .ksize = 32, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 15, + .digest = (u8[]){ 0xce, 0x74, 0xa9, 0x2e, 0xe9, 0x40, 0x3d, 0xa2, + 0x11, 0x4a, 0x99, 0x25, 0x7a, 0x34, 0x5d, 0x35, + 0xdf, 0x6a, 0x48, 0x79, 0x2a, 0x93, 0x93, 0xff, + 0x1f, 0x3c, 0x39, 0xd0, 0x71, 0x1f, 0x20, 0x7b, }, +}, { + .ksize = 1, + .key = "B", + .plaintext = blake2_ordered_sequence, + .psize = 64, + .digest = (u8[]){ 0x2e, 0x84, 0xdb, 0xa2, 0x5f, 0x0e, 0xe9, 0x52, + 0x79, 0x50, 0x69, 0x9f, 0xf1, 0xfd, 0xfc, 0x9d, + 0x89, 0x83, 0xa9, 0xb6, 0xa4, 0xd5, 0xfa, 0xb5, + 0xbe, 0x35, 0x1a, 0x17, 0x8a, 0x2c, 0x7f, 0x7d, }, +}, { + .ksize = 64, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 247, + .digest = (u8[]){ 0x2e, 0x26, 0xf0, 0x09, 0x02, 0x65, 0x90, 0x09, + 0xcc, 0xf5, 0x4c, 0x44, 0x74, 0x0e, 0xa0, 0xa8, + 0x25, 0x4a, 0xda, 0x61, 0x56, 0x95, 0x7d, 0x3f, + 0x6d, 0xc0, 0x43, 0x17, 0x95, 0x89, 0xcd, 0x9d, }, +}}; + +static const struct hash_testvec blake2b_384_tv_template[] = {{ + .plaintext = blake2_ordered_sequence, + .psize = 1, + .digest = (u8[]){ 0xcc, 0x01, 0x08, 0x85, 0x36, 0xf7, 0x84, 0xf0, + 0xbb, 0x76, 0x9e, 0x41, 0xc4, 0x95, 0x7b, 0x6d, + 0x0c, 0xde, 0x1f, 0xcc, 0x8c, 0xf1, 0xd9, 0x1f, + 0xc4, 0x77, 0xd4, 0xdd, 0x6e, 0x3f, 0xbf, 0xcd, + 0x43, 0xd1, 0x69, 0x8d, 0x14, 0x6f, 0x34, 0x8b, + 0x2c, 0x36, 0xa3, 0x39, 0x68, 0x2b, 0xec, 0x3f, }, +}, { + .plaintext = blake2_ordered_sequence, + .psize = 247, + .digest = (u8[]){ 0xc8, 0xf8, 0xf0, 0xa2, 0x69, 0xfa, 0xcc, 0x4d, + 0x32, 0x5f, 0x13, 0x88, 0xca, 0x71, 0x99, 0x8f, + 0xf7, 0x30, 0x41, 0x5d, 0x6e, 0x34, 0xb7, 0x6e, + 0x3e, 0xd0, 0x46, 0xb6, 0xca, 0x30, 0x66, 0xb2, + 0x6f, 0x0c, 0x35, 0x54, 0x17, 0xcd, 0x26, 0x1b, + 0xef, 0x48, 0x98, 0xe0, 0x56, 0x7c, 0x05, 0xd2, }, +}, { + .ksize = 32, + .key = blake2_ordered_sequence, + .digest = (u8[]){ 0x15, 0x09, 0x7a, 0x90, 0x13, 0x23, 0xab, 0x0c, + 0x0b, 0x43, 0x21, 0x9a, 0xb5, 0xc6, 0x0c, 0x2e, + 0x7c, 0x57, 0xfc, 0xcc, 0x4b, 0x0f, 0xf0, 0x57, + 0xb7, 0x9c, 0xe7, 0x0f, 0xe1, 0x57, 0xac, 0x37, + 0x77, 0xd4, 0xf4, 0x2f, 0x03, 0x3b, 0x64, 0x09, + 0x84, 0xa0, 0xb3, 0x24, 0xb7, 0xae, 0x47, 0x5e, }, +}, { + .ksize = 1, + .key = "B", + .plaintext = blake2_ordered_sequence, + .psize = 7, + .digest = (u8[]){ 0x0b, 0x82, 0x88, 0xca, 0x05, 0x2f, 0x1b, 0x15, + 0xdc, 0xbb, 0x22, 0x27, 0x11, 0x6b, 0xf4, 0xd1, + 0xe9, 0x8f, 0x1b, 0x0b, 0x58, 0x3f, 0x5e, 0x86, + 0x80, 0x82, 0x6f, 0x8e, 0x54, 0xc1, 0x9f, 0x12, + 0xcf, 0xe9, 0x56, 0xc1, 0xfc, 0x1a, 0x08, 0xb9, + 0x4a, 0x57, 0x0a, 0x76, 0x3c, 0x15, 0x33, 0x18, }, +}, { + .ksize = 64, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 15, + .digest = (u8[]){ 0x4a, 0x81, 0x55, 0xb9, 0x79, 0x42, 0x8c, 0xc6, + 0x4f, 0xfe, 0xca, 0x82, 0x3b, 0xb2, 0xf7, 0xbc, + 0x5e, 0xfc, 0xab, 0x09, 0x1c, 0xd6, 0x3b, 0xe1, + 0x50, 0x82, 0x3b, 0xde, 0xc7, 0x06, 0xee, 0x3b, + 0x29, 0xce, 0xe5, 0x68, 0xe0, 0xff, 0xfa, 0xe1, + 0x7a, 0xf1, 0xc0, 0xfe, 0x57, 0xf4, 0x60, 0x49, }, +}, { + .ksize = 32, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 64, + .digest = (u8[]){ 0x34, 0xbd, 0xe1, 0x99, 0x43, 0x9f, 0x82, 0x72, + 0xe7, 0xed, 0x94, 0x9e, 0xe1, 0x84, 0xee, 0x82, + 0xfd, 0x26, 0x23, 0xc4, 0x17, 0x8d, 0xf5, 0x04, + 0xeb, 0xb7, 0xbc, 0xb8, 0xf3, 0x68, 0xb7, 0xad, + 0x94, 0x8e, 0x05, 0x3f, 0x8a, 0x5d, 0x8d, 0x81, + 0x3e, 0x88, 0xa7, 0x8c, 0xa2, 0xd5, 0xdc, 0x76, }, +}, { + .ksize = 1, + .key = "B", + .plaintext = blake2_ordered_sequence, + .psize = 256, + .digest = (u8[]){ 0x22, 0x14, 0xf4, 0xb0, 0x4c, 0xa8, 0xb5, 0x7d, + 0xa7, 0x5c, 0x04, 0xeb, 0xd8, 0x8d, 0x04, 0x71, + 0xc7, 0x3c, 0xc7, 0x6e, 0x8b, 0x20, 0x36, 0x40, + 0x9d, 0xd0, 0x60, 0xc6, 0xe3, 0x0b, 0x6e, 0x50, + 0xf5, 0xaf, 0xf5, 0xc6, 0x3b, 0xe3, 0x84, 0x6a, + 0x93, 0x1b, 0x12, 0xd6, 0x18, 0x27, 0xba, 0x36, }, +}}; + +static const struct hash_testvec blake2b_512_tv_template[] = {{ + .plaintext = blake2_ordered_sequence, + .psize = 15, + .digest = (u8[]){ 0x44, 0x4b, 0x24, 0x0f, 0xe3, 0xed, 0x86, 0xd0, + 0xe2, 0xef, 0x4c, 0xe7, 0xd8, 0x51, 0xed, 0xde, + 0x22, 0x15, 0x55, 0x82, 0xaa, 0x09, 0x14, 0x79, + 0x7b, 0x72, 0x6c, 0xd0, 0x58, 0xb6, 0xf4, 0x59, + 0x32, 0xe0, 0xe1, 0x29, 0x51, 0x68, 0x76, 0x52, + 0x7b, 0x1d, 0xd8, 0x8f, 0xc6, 0x6d, 0x71, 0x19, + 0xf4, 0xab, 0x3b, 0xed, 0x93, 0xa6, 0x1a, 0x0e, + 0x2d, 0x2d, 0x2a, 0xea, 0xc3, 0x36, 0xd9, 0x58, }, +}, { + .ksize = 64, + .key = blake2_ordered_sequence, + .digest = (u8[]){ 0x10, 0xeb, 0xb6, 0x77, 0x00, 0xb1, 0x86, 0x8e, + 0xfb, 0x44, 0x17, 0x98, 0x7a, 0xcf, 0x46, 0x90, + 0xae, 0x9d, 0x97, 0x2f, 0xb7, 0xa5, 0x90, 0xc2, + 0xf0, 0x28, 0x71, 0x79, 0x9a, 0xaa, 0x47, 0x86, + 0xb5, 0xe9, 0x96, 0xe8, 0xf0, 0xf4, 0xeb, 0x98, + 0x1f, 0xc2, 0x14, 0xb0, 0x05, 0xf4, 0x2d, 0x2f, + 0xf4, 0x23, 0x34, 0x99, 0x39, 0x16, 0x53, 0xdf, + 0x7a, 0xef, 0xcb, 0xc1, 0x3f, 0xc5, 0x15, 0x68, }, +}, { + .ksize = 1, + .key = "B", + .plaintext = blake2_ordered_sequence, + .psize = 1, + .digest = (u8[]){ 0xd2, 0x11, 0x31, 0x29, 0x3f, 0xea, 0xca, 0x72, + 0x21, 0xe4, 0x06, 0x65, 0x05, 0x2a, 0xd1, 0x02, + 0xc0, 0x8d, 0x7b, 0xf1, 0x09, 0x3c, 0xef, 0x88, + 0xe1, 0x68, 0x0c, 0xf1, 0x3b, 0xa4, 0xe3, 0x03, + 0xed, 0xa0, 0xe3, 0x60, 0x58, 0xa0, 0xdb, 0x52, + 0x8a, 0x66, 0x43, 0x09, 0x60, 0x1a, 0xbb, 0x67, + 0xc5, 0x84, 0x31, 0x40, 0xfa, 0xde, 0xc1, 0xd0, + 0xff, 0x3f, 0x4a, 0x69, 0xd9, 0x92, 0x26, 0x86, }, +}, { + .ksize = 32, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 7, + .digest = (u8[]){ 0xa3, 0x3e, 0x50, 0xbc, 0xfb, 0xd9, 0xf0, 0x82, + 0xa6, 0xd1, 0xdf, 0xaf, 0x82, 0xd0, 0xcf, 0x84, + 0x9a, 0x25, 0x3c, 0xae, 0x6d, 0xb5, 0xaf, 0x01, + 0xd7, 0xaf, 0xed, 0x50, 0xdc, 0xe2, 0xba, 0xcc, + 0x8c, 0x38, 0xf5, 0x16, 0x89, 0x38, 0x86, 0xce, + 0x68, 0x10, 0x63, 0x64, 0xa5, 0x79, 0x53, 0xb5, + 0x2e, 0x8e, 0xbc, 0x0a, 0xce, 0x95, 0xc0, 0x1e, + 0x69, 0x59, 0x1d, 0x3b, 0xd8, 0x19, 0x90, 0xd7, }, +}, { + .ksize = 64, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 64, + .digest = (u8[]){ 0x65, 0x67, 0x6d, 0x80, 0x06, 0x17, 0x97, 0x2f, + 0xbd, 0x87, 0xe4, 0xb9, 0x51, 0x4e, 0x1c, 0x67, + 0x40, 0x2b, 0x7a, 0x33, 0x10, 0x96, 0xd3, 0xbf, + 0xac, 0x22, 0xf1, 0xab, 0xb9, 0x53, 0x74, 0xab, + 0xc9, 0x42, 0xf1, 0x6e, 0x9a, 0xb0, 0xea, 0xd3, + 0x3b, 0x87, 0xc9, 0x19, 0x68, 0xa6, 0xe5, 0x09, + 0xe1, 0x19, 0xff, 0x07, 0x78, 0x7b, 0x3e, 0xf4, + 0x83, 0xe1, 0xdc, 0xdc, 0xcf, 0x6e, 0x30, 0x22, }, +}, { + .ksize = 1, + .key = "B", + .plaintext = blake2_ordered_sequence, + .psize = 247, + .digest = (u8[]){ 0xc2, 0x96, 0x2c, 0x6b, 0x84, 0xff, 0xee, 0xea, + 0x9b, 0xb8, 0x55, 0x2d, 0x6b, 0xa5, 0xd5, 0xe5, + 0xbd, 0xb1, 0x54, 0xb6, 0x1e, 0xfb, 0x63, 0x16, + 0x6e, 0x22, 0x04, 0xf0, 0x82, 0x7a, 0xc6, 0x99, + 0xf7, 0x4c, 0xff, 0x93, 0x71, 0x57, 0x64, 0xd0, + 0x08, 0x60, 0x39, 0x98, 0xb8, 0xd2, 0x2b, 0x4e, + 0x81, 0x8d, 0xe4, 0x8f, 0xb2, 0x1e, 0x8f, 0x99, + 0x98, 0xf1, 0x02, 0x9b, 0x4c, 0x7c, 0x97, 0x1a, }, +}, { + .ksize = 32, + .key = blake2_ordered_sequence, + .plaintext = blake2_ordered_sequence, + .psize = 256, + .digest = (u8[]){ 0x0f, 0x32, 0x05, 0x09, 0xad, 0x9f, 0x25, 0xf7, + 0xf2, 0x00, 0x71, 0xc9, 0x9f, 0x08, 0x58, 0xd1, + 0x67, 0xc3, 0xa6, 0x2c, 0x0d, 0xe5, 0x7c, 0x15, + 0x35, 0x18, 0x5a, 0x68, 0xc1, 0xca, 0x1c, 0x6e, + 0x0f, 0xc4, 0xf6, 0x0c, 0x43, 0xe1, 0xb4, 0x3d, + 0x28, 0xe4, 0xc7, 0xa1, 0xcf, 0x6b, 0x17, 0x4e, + 0xf1, 0x5b, 0xb5, 0x53, 0xd4, 0xa7, 0xd0, 0x5b, + 0xae, 0x15, 0x81, 0x15, 0xd0, 0x88, 0xa0, 0x3c, }, +}}; + static const struct hash_testvec blakes2s_128_tv_template[] = {{ .digest = (u8[]){ 0x64, 0x55, 0x0d, 0x6f, 0xfe, 0x2c, 0x0a, 0x01, 0xa1, 0x4a, 0xba, 0x1e, 0xad, 0xe0, 0x20, 0x0c, }, From 75973ecd9d2dcfa7476089474663c17a2d712f78 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Tue, 12 Nov 2019 11:20:24 +0100 Subject: [PATCH 09/39] UPSTREAM: crypto: blake2b - merge _final implementation to callback blake2b_final is called only once, merge it to the crypto API callback and simplify. This avoids the temporary buffer and swaps the bytes of internal buffer. Signed-off-by: David Sterba Signed-off-by: Herbert Xu (cherry picked from commit 086db43b5a2281f7ce7d8a67a171b91e1e8fe0ec) Bug: 178411248 Change-Id: I7c5e2d9d931d463ada7573e66268f7b93a2d40a4 Signed-off-by: Eric Biggers --- crypto/blake2b_generic.c | 42 ++++++++++++++++------------------------ 1 file changed, 17 insertions(+), 25 deletions(-) diff --git a/crypto/blake2b_generic.c b/crypto/blake2b_generic.c index 8dab65612a41..743905fabd65 100644 --- a/crypto/blake2b_generic.c +++ b/crypto/blake2b_generic.c @@ -276,25 +276,6 @@ static void blake2b_update(struct blake2b_state *S, const void *pin, size_t inle } } -static void blake2b_final(struct blake2b_state *S, void *out, size_t outlen) -{ - u8 buffer[BLAKE2B_OUTBYTES] = {0}; - size_t i; - - blake2b_increment_counter(S, S->buflen); - blake2b_set_lastblock(S); - /* Padding */ - memset(S->buf + S->buflen, 0, BLAKE2B_BLOCKBYTES - S->buflen); - blake2b_compress(S, S->buf); - - /* Output full hash to temp buffer */ - for (i = 0; i < 8; ++i) - put_unaligned_le64(S->h[i], buffer + sizeof(S->h[i]) * i); - - memcpy(out, buffer, S->outlen); - memzero_explicit(buffer, sizeof(buffer)); -} - struct digest_tfm_ctx { u8 key[BLAKE2B_KEYBYTES]; unsigned int keylen; @@ -338,12 +319,23 @@ static int digest_update(struct shash_desc *desc, const u8 *data, return 0; } -static int digest_final(struct shash_desc *desc, u8 *out) +static int blake2b_final(struct shash_desc *desc, u8 *out) { struct blake2b_state *state = shash_desc_ctx(desc); const int digestsize = crypto_shash_digestsize(desc->tfm); + size_t i; - blake2b_final(state, out, digestsize); + blake2b_increment_counter(state, state->buflen); + blake2b_set_lastblock(state); + /* Padding */ + memset(state->buf + state->buflen, 0, BLAKE2B_BLOCKBYTES - state->buflen); + blake2b_compress(state, state->buf); + + /* Avoid temporary buffer and switch the internal output to LE order */ + for (i = 0; i < ARRAY_SIZE(state->h); i++) + __cpu_to_le64s(&state->h[i]); + + memcpy(out, state->h, digestsize); return 0; } @@ -360,7 +352,7 @@ static struct shash_alg blake2b_algs[] = { .setkey = digest_setkey, .init = digest_init, .update = digest_update, - .final = digest_final, + .final = blake2b_final, .descsize = sizeof(struct blake2b_state), }, { .base.cra_name = "blake2b-256", @@ -374,7 +366,7 @@ static struct shash_alg blake2b_algs[] = { .setkey = digest_setkey, .init = digest_init, .update = digest_update, - .final = digest_final, + .final = blake2b_final, .descsize = sizeof(struct blake2b_state), }, { .base.cra_name = "blake2b-384", @@ -388,7 +380,7 @@ static struct shash_alg blake2b_algs[] = { .setkey = digest_setkey, .init = digest_init, .update = digest_update, - .final = digest_final, + .final = blake2b_final, .descsize = sizeof(struct blake2b_state), }, { .base.cra_name = "blake2b-512", @@ -402,7 +394,7 @@ static struct shash_alg blake2b_algs[] = { .setkey = digest_setkey, .init = digest_init, .update = digest_update, - .final = digest_final, + .final = blake2b_final, .descsize = sizeof(struct blake2b_state), } }; From fdb0b246087b935a5bed54095832b491e980c9f4 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Tue, 12 Nov 2019 11:20:25 +0100 Subject: [PATCH 10/39] UPSTREAM: crypto: blake2b - merge blake2 init to api callback The call chain from blake2b_init can be simplified because the param block is effectively zeros, besides the key. - blake2b_init0 zeroes state and sets IV - blake2b_init sets up param block with defaults (key and some 1s) - init with key, write it to the input buffer and recalculate state So the compact way is to zero out the state and initialize index 0 of the state directly with the non-zero values and the key. Signed-off-by: David Sterba Signed-off-by: Herbert Xu (cherry picked from commit e374969565472824eba4669dea4a23ad2edb414f) Bug: 178411248 Change-Id: I797e941bf90262f6cf334c100a91e5b90dc00a2c Signed-off-by: Eric Biggers --- crypto/blake2b_generic.c | 103 ++++++++------------------------------- 1 file changed, 19 insertions(+), 84 deletions(-) diff --git a/crypto/blake2b_generic.c b/crypto/blake2b_generic.c index 743905fabd65..d3da6113a96a 100644 --- a/crypto/blake2b_generic.c +++ b/crypto/blake2b_generic.c @@ -106,81 +106,6 @@ static void blake2b_increment_counter(struct blake2b_state *S, const u64 inc) S->t[1] += (S->t[0] < inc); } -static void blake2b_init0(struct blake2b_state *S) -{ - size_t i; - - memset(S, 0, sizeof(struct blake2b_state)); - - for (i = 0; i < 8; ++i) - S->h[i] = blake2b_IV[i]; -} - -/* init xors IV with input parameter block */ -static void blake2b_init_param(struct blake2b_state *S, - const struct blake2b_param *P) -{ - const u8 *p = (const u8 *)(P); - size_t i; - - blake2b_init0(S); - - /* IV XOR ParamBlock */ - for (i = 0; i < 8; ++i) - S->h[i] ^= get_unaligned_le64(p + sizeof(S->h[i]) * i); - - S->outlen = P->digest_length; -} - -static void blake2b_init(struct blake2b_state *S, size_t outlen) -{ - struct blake2b_param P; - - P.digest_length = (u8)outlen; - P.key_length = 0; - P.fanout = 1; - P.depth = 1; - P.leaf_length = 0; - P.node_offset = 0; - P.xof_length = 0; - P.node_depth = 0; - P.inner_length = 0; - memset(P.reserved, 0, sizeof(P.reserved)); - memset(P.salt, 0, sizeof(P.salt)); - memset(P.personal, 0, sizeof(P.personal)); - blake2b_init_param(S, &P); -} - -static void blake2b_init_key(struct blake2b_state *S, size_t outlen, - const void *key, size_t keylen) -{ - struct blake2b_param P; - - P.digest_length = (u8)outlen; - P.key_length = (u8)keylen; - P.fanout = 1; - P.depth = 1; - P.leaf_length = 0; - P.node_offset = 0; - P.xof_length = 0; - P.node_depth = 0; - P.inner_length = 0; - memset(P.reserved, 0, sizeof(P.reserved)); - memset(P.salt, 0, sizeof(P.salt)); - memset(P.personal, 0, sizeof(P.personal)); - - blake2b_init_param(S, &P); - - { - u8 block[BLAKE2B_BLOCKBYTES]; - - memset(block, 0, BLAKE2B_BLOCKBYTES); - memcpy(block, key, keylen); - blake2b_update(S, block, BLAKE2B_BLOCKBYTES); - memzero_explicit(block, BLAKE2B_BLOCKBYTES); - } -} - #define G(r,i,a,b,c,d) \ do { \ a = a + b + m[blake2b_sigma[r][2*i+0]]; \ @@ -297,16 +222,26 @@ static int digest_setkey(struct crypto_shash *tfm, const u8 *key, return 0; } -static int digest_init(struct shash_desc *desc) +static int blake2b_init(struct shash_desc *desc) { struct digest_tfm_ctx *mctx = crypto_shash_ctx(desc->tfm); struct blake2b_state *state = shash_desc_ctx(desc); const int digestsize = crypto_shash_digestsize(desc->tfm); - if (mctx->keylen == 0) - blake2b_init(state, digestsize); - else - blake2b_init_key(state, digestsize, mctx->key, mctx->keylen); + memset(state, 0, sizeof(*state)); + memcpy(state->h, blake2b_IV, sizeof(state->h)); + + /* Parameter block is all zeros except index 0, no xor for 1..7 */ + state->h[0] ^= 0x01010000 | mctx->keylen << 8 | digestsize; + + if (mctx->keylen) { + u8 block[BLAKE2B_BLOCKBYTES]; + + memset(block, 0, BLAKE2B_BLOCKBYTES); + memcpy(block, mctx->key, mctx->keylen); + blake2b_update(state, block, BLAKE2B_BLOCKBYTES); + memzero_explicit(block, BLAKE2B_BLOCKBYTES); + } return 0; } @@ -350,7 +285,7 @@ static struct shash_alg blake2b_algs[] = { .base.cra_module = THIS_MODULE, .digestsize = BLAKE2B_160_DIGEST_SIZE, .setkey = digest_setkey, - .init = digest_init, + .init = blake2b_init, .update = digest_update, .final = blake2b_final, .descsize = sizeof(struct blake2b_state), @@ -364,7 +299,7 @@ static struct shash_alg blake2b_algs[] = { .base.cra_module = THIS_MODULE, .digestsize = BLAKE2B_256_DIGEST_SIZE, .setkey = digest_setkey, - .init = digest_init, + .init = blake2b_init, .update = digest_update, .final = blake2b_final, .descsize = sizeof(struct blake2b_state), @@ -378,7 +313,7 @@ static struct shash_alg blake2b_algs[] = { .base.cra_module = THIS_MODULE, .digestsize = BLAKE2B_384_DIGEST_SIZE, .setkey = digest_setkey, - .init = digest_init, + .init = blake2b_init, .update = digest_update, .final = blake2b_final, .descsize = sizeof(struct blake2b_state), @@ -392,7 +327,7 @@ static struct shash_alg blake2b_algs[] = { .base.cra_module = THIS_MODULE, .digestsize = BLAKE2B_512_DIGEST_SIZE, .setkey = digest_setkey, - .init = digest_init, + .init = blake2b_init, .update = digest_update, .final = blake2b_final, .descsize = sizeof(struct blake2b_state), From f03f8096dc3c4b00f83f67931e4c85df55e0f3e5 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Tue, 12 Nov 2019 11:20:26 +0100 Subject: [PATCH 11/39] UPSTREAM: crypto: blake2b - simplify key init The keyed init writes the key bytes to the input buffer and does an update. We can do that in two ways: fill the buffer and update immediatelly. This is what current blake2b_init_key does. Any other following _update or _final will continue from the updated state. The other way is to write the key and set the number of bytes to process at the next _update or _final, lazy evaluation. Which leads to the the simplified code in this patch. Signed-off-by: David Sterba Signed-off-by: Herbert Xu (cherry picked from commit e87e484d60b0da8302b45f27fe32af1cea02c8d2) Bug: 178411248 Change-Id: I90652bb41d252af9503d5976ce32b93e2610debf Signed-off-by: Eric Biggers --- crypto/blake2b_generic.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/crypto/blake2b_generic.c b/crypto/blake2b_generic.c index d3da6113a96a..fd0fbb076058 100644 --- a/crypto/blake2b_generic.c +++ b/crypto/blake2b_generic.c @@ -85,8 +85,6 @@ static const u8 blake2b_sigma[12][16] = { { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } }; -static void blake2b_update(struct blake2b_state *S, const void *pin, size_t inlen); - static void blake2b_set_lastnode(struct blake2b_state *S) { S->f[1] = (u64)-1; @@ -235,12 +233,12 @@ static int blake2b_init(struct shash_desc *desc) state->h[0] ^= 0x01010000 | mctx->keylen << 8 | digestsize; if (mctx->keylen) { - u8 block[BLAKE2B_BLOCKBYTES]; - - memset(block, 0, BLAKE2B_BLOCKBYTES); - memcpy(block, mctx->key, mctx->keylen); - blake2b_update(state, block, BLAKE2B_BLOCKBYTES); - memzero_explicit(block, BLAKE2B_BLOCKBYTES); + /* + * Prefill the buffer with the key, next call to _update or + * _final will process it + */ + memcpy(state->buf, mctx->key, mctx->keylen); + state->buflen = BLAKE2B_BLOCKBYTES; } return 0; } From 00e77739a2790ddf76f21beb06c24c09013c7bc2 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Tue, 12 Nov 2019 11:20:27 +0100 Subject: [PATCH 12/39] UPSTREAM: crypto: blake2b - delete unused structs or members All the code for param block has been inlined, last_node and outlen from the state are not used or have become redundant due to other code. Remove it. Signed-off-by: David Sterba Signed-off-by: Herbert Xu (cherry picked from commit d063d6327e7de18e16e4742579a0ff759c3889fb) Bug: 178411248 Change-Id: Ia7090fe3162495abae29b86f37e53ebf02414fe2 Signed-off-by: Eric Biggers --- crypto/blake2b_generic.c | 30 ------------------------------ 1 file changed, 30 deletions(-) diff --git a/crypto/blake2b_generic.c b/crypto/blake2b_generic.c index fd0fbb076058..442c639c9ad9 100644 --- a/crypto/blake2b_generic.c +++ b/crypto/blake2b_generic.c @@ -32,10 +32,7 @@ enum blake2b_constant { BLAKE2B_BLOCKBYTES = 128, - BLAKE2B_OUTBYTES = 64, BLAKE2B_KEYBYTES = 64, - BLAKE2B_SALTBYTES = 16, - BLAKE2B_PERSONALBYTES = 16 }; struct blake2b_state { @@ -44,25 +41,8 @@ struct blake2b_state { u64 f[2]; u8 buf[BLAKE2B_BLOCKBYTES]; size_t buflen; - size_t outlen; - u8 last_node; }; -struct blake2b_param { - u8 digest_length; /* 1 */ - u8 key_length; /* 2 */ - u8 fanout; /* 3 */ - u8 depth; /* 4 */ - __le32 leaf_length; /* 8 */ - __le32 node_offset; /* 12 */ - __le32 xof_length; /* 16 */ - u8 node_depth; /* 17 */ - u8 inner_length; /* 18 */ - u8 reserved[14]; /* 32 */ - u8 salt[BLAKE2B_SALTBYTES]; /* 48 */ - u8 personal[BLAKE2B_PERSONALBYTES]; /* 64 */ -} __packed; - static const u64 blake2b_IV[8] = { 0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL, 0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL, @@ -85,16 +65,8 @@ static const u8 blake2b_sigma[12][16] = { { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } }; -static void blake2b_set_lastnode(struct blake2b_state *S) -{ - S->f[1] = (u64)-1; -} - static void blake2b_set_lastblock(struct blake2b_state *S) { - if (S->last_node) - blake2b_set_lastnode(S); - S->f[0] = (u64)-1; } @@ -334,8 +306,6 @@ static struct shash_alg blake2b_algs[] = { static int __init blake2b_mod_init(void) { - BUILD_BUG_ON(sizeof(struct blake2b_param) != BLAKE2B_OUTBYTES); - return crypto_register_shashes(blake2b_algs, ARRAY_SIZE(blake2b_algs)); } From a623362717a4b8552c586bf169bbc354a4652a6e Mon Sep 17 00:00:00 2001 From: David Sterba Date: Tue, 12 Nov 2019 11:20:28 +0100 Subject: [PATCH 13/39] UPSTREAM: crypto: blake2b - open code set last block helper The helper is trival and called once, inlining makes things simpler. There's a comment to tie it back to the idea behind the code. Signed-off-by: David Sterba Signed-off-by: Herbert Xu (cherry picked from commit a2e4bdce0f6e69c6cf9e460c4fe158bcc0db351f) Bug: 178411248 Change-Id: Iba1276dfcdb29240206f66bf98902d0e587a590f Signed-off-by: Eric Biggers --- crypto/blake2b_generic.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/crypto/blake2b_generic.c b/crypto/blake2b_generic.c index 442c639c9ad9..463ac597ef04 100644 --- a/crypto/blake2b_generic.c +++ b/crypto/blake2b_generic.c @@ -65,11 +65,6 @@ static const u8 blake2b_sigma[12][16] = { { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } }; -static void blake2b_set_lastblock(struct blake2b_state *S) -{ - S->f[0] = (u64)-1; -} - static void blake2b_increment_counter(struct blake2b_state *S, const u64 inc) { S->t[0] += inc; @@ -231,7 +226,8 @@ static int blake2b_final(struct shash_desc *desc, u8 *out) size_t i; blake2b_increment_counter(state, state->buflen); - blake2b_set_lastblock(state); + /* Set last block */ + state->f[0] = (u64)-1; /* Padding */ memset(state->buf + state->buflen, 0, BLAKE2B_BLOCKBYTES - state->buflen); blake2b_compress(state, state->buf); From 196f7b51345485ed60351045b295d10c2efbdada Mon Sep 17 00:00:00 2001 From: David Sterba Date: Tue, 12 Nov 2019 11:20:29 +0100 Subject: [PATCH 14/39] UPSTREAM: crypto: blake2b - merge _update to api callback Now that there's only one call to blake2b_update, we can merge it to the callback and simplify. The empty input check is split and the rest of code un-indented. Signed-off-by: David Sterba Signed-off-by: Herbert Xu (cherry picked from commit 0b4b5f10ac1ffb7f51db1832d189c33955c0d4c1) Bug: 178411248 Change-Id: Ic260edcee45116ac1a9f03f2792fe577a2c629c6 Signed-off-by: Eric Biggers --- crypto/blake2b_generic.c | 66 ++++++++++++++++++---------------------- 1 file changed, 30 insertions(+), 36 deletions(-) diff --git a/crypto/blake2b_generic.c b/crypto/blake2b_generic.c index 463ac597ef04..2c756a7dcc21 100644 --- a/crypto/blake2b_generic.c +++ b/crypto/blake2b_generic.c @@ -137,35 +137,6 @@ static void blake2b_compress(struct blake2b_state *S, #undef G #undef ROUND -static void blake2b_update(struct blake2b_state *S, const void *pin, size_t inlen) -{ - const u8 *in = (const u8 *)pin; - - if (inlen > 0) { - size_t left = S->buflen; - size_t fill = BLAKE2B_BLOCKBYTES - left; - - if (inlen > fill) { - S->buflen = 0; - /* Fill buffer */ - memcpy(S->buf + left, in, fill); - blake2b_increment_counter(S, BLAKE2B_BLOCKBYTES); - /* Compress */ - blake2b_compress(S, S->buf); - in += fill; - inlen -= fill; - while (inlen > BLAKE2B_BLOCKBYTES) { - blake2b_increment_counter(S, BLAKE2B_BLOCKBYTES); - blake2b_compress(S, in); - in += BLAKE2B_BLOCKBYTES; - inlen -= BLAKE2B_BLOCKBYTES; - } - } - memcpy(S->buf + S->buflen, in, inlen); - S->buflen += inlen; - } -} - struct digest_tfm_ctx { u8 key[BLAKE2B_KEYBYTES]; unsigned int keylen; @@ -210,12 +181,35 @@ static int blake2b_init(struct shash_desc *desc) return 0; } -static int digest_update(struct shash_desc *desc, const u8 *data, - unsigned int length) +static int blake2b_update(struct shash_desc *desc, const u8 *in, + unsigned int inlen) { struct blake2b_state *state = shash_desc_ctx(desc); + const size_t left = state->buflen; + const size_t fill = BLAKE2B_BLOCKBYTES - left; + + if (!inlen) + return 0; + + if (inlen > fill) { + state->buflen = 0; + /* Fill buffer */ + memcpy(state->buf + left, in, fill); + blake2b_increment_counter(state, BLAKE2B_BLOCKBYTES); + /* Compress */ + blake2b_compress(state, state->buf); + in += fill; + inlen -= fill; + while (inlen > BLAKE2B_BLOCKBYTES) { + blake2b_increment_counter(state, BLAKE2B_BLOCKBYTES); + blake2b_compress(state, in); + in += BLAKE2B_BLOCKBYTES; + inlen -= BLAKE2B_BLOCKBYTES; + } + } + memcpy(state->buf + state->buflen, in, inlen); + state->buflen += inlen; - blake2b_update(state, data, length); return 0; } @@ -252,7 +246,7 @@ static struct shash_alg blake2b_algs[] = { .digestsize = BLAKE2B_160_DIGEST_SIZE, .setkey = digest_setkey, .init = blake2b_init, - .update = digest_update, + .update = blake2b_update, .final = blake2b_final, .descsize = sizeof(struct blake2b_state), }, { @@ -266,7 +260,7 @@ static struct shash_alg blake2b_algs[] = { .digestsize = BLAKE2B_256_DIGEST_SIZE, .setkey = digest_setkey, .init = blake2b_init, - .update = digest_update, + .update = blake2b_update, .final = blake2b_final, .descsize = sizeof(struct blake2b_state), }, { @@ -280,7 +274,7 @@ static struct shash_alg blake2b_algs[] = { .digestsize = BLAKE2B_384_DIGEST_SIZE, .setkey = digest_setkey, .init = blake2b_init, - .update = digest_update, + .update = blake2b_update, .final = blake2b_final, .descsize = sizeof(struct blake2b_state), }, { @@ -294,7 +288,7 @@ static struct shash_alg blake2b_algs[] = { .digestsize = BLAKE2B_512_DIGEST_SIZE, .setkey = digest_setkey, .init = blake2b_init, - .update = digest_update, + .update = blake2b_update, .final = blake2b_final, .descsize = sizeof(struct blake2b_state), } From 27c00daf70d3c232bde52b9fe20339941abbf9fd Mon Sep 17 00:00:00 2001 From: David Sterba Date: Tue, 12 Nov 2019 11:20:30 +0100 Subject: [PATCH 15/39] UPSTREAM: crypto: blake2b - rename tfm context and _setkey callback The TFM context can be renamed to a more appropriate name and the local varaibles as well, using 'tctx' which seems to be more common than 'mctx'. The _setkey callback was the last one without the blake2b_ prefix, rename that too. Signed-off-by: David Sterba Signed-off-by: Herbert Xu (cherry picked from commit c433a1a8572eceb7c45dd85d93fec6946b71bb72) Bug: 178411248 Change-Id: I8b7dfa5779ee6f76bb7e21572d29df1310705485 Signed-off-by: Eric Biggers --- crypto/blake2b_generic.c | 36 ++++++++++++++++++------------------ 1 file changed, 18 insertions(+), 18 deletions(-) diff --git a/crypto/blake2b_generic.c b/crypto/blake2b_generic.c index 2c756a7dcc21..d04b1788dc42 100644 --- a/crypto/blake2b_generic.c +++ b/crypto/blake2b_generic.c @@ -137,30 +137,30 @@ static void blake2b_compress(struct blake2b_state *S, #undef G #undef ROUND -struct digest_tfm_ctx { +struct blake2b_tfm_ctx { u8 key[BLAKE2B_KEYBYTES]; unsigned int keylen; }; -static int digest_setkey(struct crypto_shash *tfm, const u8 *key, - unsigned int keylen) +static int blake2b_setkey(struct crypto_shash *tfm, const u8 *key, + unsigned int keylen) { - struct digest_tfm_ctx *mctx = crypto_shash_ctx(tfm); + struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(tfm); if (keylen == 0 || keylen > BLAKE2B_KEYBYTES) { crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); return -EINVAL; } - memcpy(mctx->key, key, keylen); - mctx->keylen = keylen; + memcpy(tctx->key, key, keylen); + tctx->keylen = keylen; return 0; } static int blake2b_init(struct shash_desc *desc) { - struct digest_tfm_ctx *mctx = crypto_shash_ctx(desc->tfm); + struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm); struct blake2b_state *state = shash_desc_ctx(desc); const int digestsize = crypto_shash_digestsize(desc->tfm); @@ -168,14 +168,14 @@ static int blake2b_init(struct shash_desc *desc) memcpy(state->h, blake2b_IV, sizeof(state->h)); /* Parameter block is all zeros except index 0, no xor for 1..7 */ - state->h[0] ^= 0x01010000 | mctx->keylen << 8 | digestsize; + state->h[0] ^= 0x01010000 | tctx->keylen << 8 | digestsize; - if (mctx->keylen) { + if (tctx->keylen) { /* * Prefill the buffer with the key, next call to _update or * _final will process it */ - memcpy(state->buf, mctx->key, mctx->keylen); + memcpy(state->buf, tctx->key, tctx->keylen); state->buflen = BLAKE2B_BLOCKBYTES; } return 0; @@ -241,10 +241,10 @@ static struct shash_alg blake2b_algs[] = { .base.cra_priority = 100, .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, .base.cra_blocksize = BLAKE2B_BLOCKBYTES, - .base.cra_ctxsize = sizeof(struct digest_tfm_ctx), + .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx), .base.cra_module = THIS_MODULE, .digestsize = BLAKE2B_160_DIGEST_SIZE, - .setkey = digest_setkey, + .setkey = blake2b_setkey, .init = blake2b_init, .update = blake2b_update, .final = blake2b_final, @@ -255,10 +255,10 @@ static struct shash_alg blake2b_algs[] = { .base.cra_priority = 100, .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, .base.cra_blocksize = BLAKE2B_BLOCKBYTES, - .base.cra_ctxsize = sizeof(struct digest_tfm_ctx), + .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx), .base.cra_module = THIS_MODULE, .digestsize = BLAKE2B_256_DIGEST_SIZE, - .setkey = digest_setkey, + .setkey = blake2b_setkey, .init = blake2b_init, .update = blake2b_update, .final = blake2b_final, @@ -269,10 +269,10 @@ static struct shash_alg blake2b_algs[] = { .base.cra_priority = 100, .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, .base.cra_blocksize = BLAKE2B_BLOCKBYTES, - .base.cra_ctxsize = sizeof(struct digest_tfm_ctx), + .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx), .base.cra_module = THIS_MODULE, .digestsize = BLAKE2B_384_DIGEST_SIZE, - .setkey = digest_setkey, + .setkey = blake2b_setkey, .init = blake2b_init, .update = blake2b_update, .final = blake2b_final, @@ -283,10 +283,10 @@ static struct shash_alg blake2b_algs[] = { .base.cra_priority = 100, .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, .base.cra_blocksize = BLAKE2B_BLOCKBYTES, - .base.cra_ctxsize = sizeof(struct digest_tfm_ctx), + .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx), .base.cra_module = THIS_MODULE, .digestsize = BLAKE2B_512_DIGEST_SIZE, - .setkey = digest_setkey, + .setkey = blake2b_setkey, .init = blake2b_init, .update = blake2b_update, .final = blake2b_final, From 29ab2a578104e50d48a7d1ba15fa154fed6c9e91 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Tue, 5 May 2020 15:53:45 +0200 Subject: [PATCH 16/39] UPSTREAM: crypto: blake2b - Fix clang optimization for ARMv7-M When building for ARMv7-M, clang-9 or higher tries to unroll some loops, which ends up confusing the register allocator to the point of generating rather bad code and using more than the warning limit for stack frames: warning: stack frame size of 1200 bytes in function 'blake2b_compress' [-Wframe-larger-than=] Forcing it to not unroll the final loop avoids this problem. Fixes: 91d689337fe8 ("crypto: blake2b - add blake2b generic implementation") Signed-off-by: Arnd Bergmann Reviewed-by: Nathan Chancellor Signed-off-by: Herbert Xu (cherry picked from commit 0c0408e86dbe8f44d4b27bf42130e8ac905361d6) Bug: 178411248 Change-Id: I71ee6df844bdbace9f06342a61322c7494533564 Signed-off-by: Eric Biggers --- crypto/blake2b_generic.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/crypto/blake2b_generic.c b/crypto/blake2b_generic.c index d04b1788dc42..2f15a9725054 100644 --- a/crypto/blake2b_generic.c +++ b/crypto/blake2b_generic.c @@ -129,7 +129,9 @@ static void blake2b_compress(struct blake2b_state *S, ROUND(9); ROUND(10); ROUND(11); - +#ifdef CONFIG_CC_IS_CLANG +#pragma nounroll /* https://bugs.llvm.org/show_bug.cgi?id=45803 */ +#endif for (i = 0; i < 8; ++i) S->h[i] = S->h[i] ^ v[i] ^ v[i + 8]; } From 05e10b45ed9af25b88cb6ef51fb3f491498e0154 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Fri, 27 Nov 2020 16:43:18 +1100 Subject: [PATCH 17/39] UPSTREAM: crypto: lib/blake2s - Move selftest prototype into header file This patch fixes a missing prototype warning on blake2s_selftest. Reported-by: kernel test robot Signed-off-by: Herbert Xu (cherry picked from commit ce0d5d63e897cc7c3a8fd043c7942fc6a78ec6f4) Bug: 152722841 Change-Id: Ieb19048d60f6c9dc36cefda8b09b3d5c95e9118e Signed-off-by: Eric Biggers --- include/crypto/internal/blake2s.h | 2 ++ lib/crypto/blake2s-selftest.c | 2 +- lib/crypto/blake2s.c | 2 -- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/include/crypto/internal/blake2s.h b/include/crypto/internal/blake2s.h index 74ff77032e52..6e376ae6b6b5 100644 --- a/include/crypto/internal/blake2s.h +++ b/include/crypto/internal/blake2s.h @@ -16,6 +16,8 @@ void blake2s_compress_generic(struct blake2s_state *state,const u8 *block, void blake2s_compress_arch(struct blake2s_state *state,const u8 *block, size_t nblocks, const u32 inc); +bool blake2s_selftest(void); + static inline void blake2s_set_lastblock(struct blake2s_state *state) { state->f[0] = -1; diff --git a/lib/crypto/blake2s-selftest.c b/lib/crypto/blake2s-selftest.c index 79ef404a990d..5d9ea53be973 100644 --- a/lib/crypto/blake2s-selftest.c +++ b/lib/crypto/blake2s-selftest.c @@ -3,7 +3,7 @@ * Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. */ -#include +#include #include /* diff --git a/lib/crypto/blake2s.c b/lib/crypto/blake2s.c index 41025a30c524..6a4b6b78d630 100644 --- a/lib/crypto/blake2s.c +++ b/lib/crypto/blake2s.c @@ -17,8 +17,6 @@ #include #include -bool blake2s_selftest(void); - void blake2s_update(struct blake2s_state *state, const u8 *in, size_t inlen) { const size_t fill = BLAKE2S_BLOCK_SIZE - state->buflen; From b54930b350fc9490a9d3e2b89ca8f8c70a42c3ae Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Wed, 23 Dec 2020 00:09:50 -0800 Subject: [PATCH 18/39] UPSTREAM: crypto: blake2s - define shash_alg structs using macros The shash_alg structs for the four variants of BLAKE2s are identical except for the algorithm name, driver name, and digest size. So, avoid code duplication by using a macro to define these structs. Acked-by: Ard Biesheuvel Signed-off-by: Eric Biggers Signed-off-by: Herbert Xu (cherry picked from commit 0d396058f92ae7e5ac62839fed54bc2bba630ab5) Bug: 152722841 Bug: 178411248 Change-Id: I32b3a6c035b18f063ad0e03c43171091ca1490a8 Signed-off-by: Eric Biggers --- crypto/blake2s_generic.c | 86 ++++++++++++---------------------------- 1 file changed, 26 insertions(+), 60 deletions(-) diff --git a/crypto/blake2s_generic.c b/crypto/blake2s_generic.c index ed0c74640470..1d258f449e8f 100644 --- a/crypto/blake2s_generic.c +++ b/crypto/blake2s_generic.c @@ -85,67 +85,33 @@ static int crypto_blake2s_final(struct shash_desc *desc, u8 *out) return 0; } -static struct shash_alg blake2s_algs[] = {{ - .base.cra_name = "blake2s-128", - .base.cra_driver_name = "blake2s-128-generic", - .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, - .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), - .base.cra_priority = 200, - .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, - .base.cra_module = THIS_MODULE, +#define BLAKE2S_ALG(name, driver_name, digest_size) \ + { \ + .base.cra_name = name, \ + .base.cra_driver_name = driver_name, \ + .base.cra_priority = 100, \ + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, \ + .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, \ + .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), \ + .base.cra_module = THIS_MODULE, \ + .digestsize = digest_size, \ + .setkey = crypto_blake2s_setkey, \ + .init = crypto_blake2s_init, \ + .update = crypto_blake2s_update, \ + .final = crypto_blake2s_final, \ + .descsize = sizeof(struct blake2s_state), \ + } - .digestsize = BLAKE2S_128_HASH_SIZE, - .setkey = crypto_blake2s_setkey, - .init = crypto_blake2s_init, - .update = crypto_blake2s_update, - .final = crypto_blake2s_final, - .descsize = sizeof(struct blake2s_state), -}, { - .base.cra_name = "blake2s-160", - .base.cra_driver_name = "blake2s-160-generic", - .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, - .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), - .base.cra_priority = 200, - .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, - .base.cra_module = THIS_MODULE, - - .digestsize = BLAKE2S_160_HASH_SIZE, - .setkey = crypto_blake2s_setkey, - .init = crypto_blake2s_init, - .update = crypto_blake2s_update, - .final = crypto_blake2s_final, - .descsize = sizeof(struct blake2s_state), -}, { - .base.cra_name = "blake2s-224", - .base.cra_driver_name = "blake2s-224-generic", - .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, - .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), - .base.cra_priority = 200, - .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, - .base.cra_module = THIS_MODULE, - - .digestsize = BLAKE2S_224_HASH_SIZE, - .setkey = crypto_blake2s_setkey, - .init = crypto_blake2s_init, - .update = crypto_blake2s_update, - .final = crypto_blake2s_final, - .descsize = sizeof(struct blake2s_state), -}, { - .base.cra_name = "blake2s-256", - .base.cra_driver_name = "blake2s-256-generic", - .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, - .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), - .base.cra_priority = 200, - .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, - .base.cra_module = THIS_MODULE, - - .digestsize = BLAKE2S_256_HASH_SIZE, - .setkey = crypto_blake2s_setkey, - .init = crypto_blake2s_init, - .update = crypto_blake2s_update, - .final = crypto_blake2s_final, - .descsize = sizeof(struct blake2s_state), -}}; +static struct shash_alg blake2s_algs[] = { + BLAKE2S_ALG("blake2s-128", "blake2s-128-generic", + BLAKE2S_128_HASH_SIZE), + BLAKE2S_ALG("blake2s-160", "blake2s-160-generic", + BLAKE2S_160_HASH_SIZE), + BLAKE2S_ALG("blake2s-224", "blake2s-224-generic", + BLAKE2S_224_HASH_SIZE), + BLAKE2S_ALG("blake2s-256", "blake2s-256-generic", + BLAKE2S_256_HASH_SIZE), +}; static int __init blake2s_mod_init(void) { From 7537c648451f2f4faaf0584491abb458b4c2492c Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Wed, 23 Dec 2020 00:09:51 -0800 Subject: [PATCH 19/39] UPSTREAM: crypto: x86/blake2s - define shash_alg structs using macros The shash_alg structs for the four variants of BLAKE2s are identical except for the algorithm name, driver name, and digest size. So, avoid code duplication by using a macro to define these structs. Acked-by: Ard Biesheuvel Signed-off-by: Eric Biggers Signed-off-by: Herbert Xu (cherry picked from commit 1aa90f4cf034ed4f016a02330820ac0551a6c13c) Bug: 152722841 Bug: 178411248 Change-Id: Ibba710056182a609defca0a53133387153f0f63d Signed-off-by: Eric Biggers --- arch/x86/crypto/blake2s-glue.c | 82 +++++++++------------------------- 1 file changed, 22 insertions(+), 60 deletions(-) diff --git a/arch/x86/crypto/blake2s-glue.c b/arch/x86/crypto/blake2s-glue.c index 4a37ba7cdbe5..e2b755e46b98 100644 --- a/arch/x86/crypto/blake2s-glue.c +++ b/arch/x86/crypto/blake2s-glue.c @@ -132,67 +132,29 @@ static int crypto_blake2s_final(struct shash_desc *desc, u8 *out) return 0; } -static struct shash_alg blake2s_algs[] = {{ - .base.cra_name = "blake2s-128", - .base.cra_driver_name = "blake2s-128-x86", - .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, - .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), - .base.cra_priority = 200, - .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, - .base.cra_module = THIS_MODULE, +#define BLAKE2S_ALG(name, driver_name, digest_size) \ + { \ + .base.cra_name = name, \ + .base.cra_driver_name = driver_name, \ + .base.cra_priority = 200, \ + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, \ + .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, \ + .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), \ + .base.cra_module = THIS_MODULE, \ + .digestsize = digest_size, \ + .setkey = crypto_blake2s_setkey, \ + .init = crypto_blake2s_init, \ + .update = crypto_blake2s_update, \ + .final = crypto_blake2s_final, \ + .descsize = sizeof(struct blake2s_state), \ + } - .digestsize = BLAKE2S_128_HASH_SIZE, - .setkey = crypto_blake2s_setkey, - .init = crypto_blake2s_init, - .update = crypto_blake2s_update, - .final = crypto_blake2s_final, - .descsize = sizeof(struct blake2s_state), -}, { - .base.cra_name = "blake2s-160", - .base.cra_driver_name = "blake2s-160-x86", - .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, - .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), - .base.cra_priority = 200, - .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, - .base.cra_module = THIS_MODULE, - - .digestsize = BLAKE2S_160_HASH_SIZE, - .setkey = crypto_blake2s_setkey, - .init = crypto_blake2s_init, - .update = crypto_blake2s_update, - .final = crypto_blake2s_final, - .descsize = sizeof(struct blake2s_state), -}, { - .base.cra_name = "blake2s-224", - .base.cra_driver_name = "blake2s-224-x86", - .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, - .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), - .base.cra_priority = 200, - .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, - .base.cra_module = THIS_MODULE, - - .digestsize = BLAKE2S_224_HASH_SIZE, - .setkey = crypto_blake2s_setkey, - .init = crypto_blake2s_init, - .update = crypto_blake2s_update, - .final = crypto_blake2s_final, - .descsize = sizeof(struct blake2s_state), -}, { - .base.cra_name = "blake2s-256", - .base.cra_driver_name = "blake2s-256-x86", - .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, - .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), - .base.cra_priority = 200, - .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, - .base.cra_module = THIS_MODULE, - - .digestsize = BLAKE2S_256_HASH_SIZE, - .setkey = crypto_blake2s_setkey, - .init = crypto_blake2s_init, - .update = crypto_blake2s_update, - .final = crypto_blake2s_final, - .descsize = sizeof(struct blake2s_state), -}}; +static struct shash_alg blake2s_algs[] = { + BLAKE2S_ALG("blake2s-128", "blake2s-128-x86", BLAKE2S_128_HASH_SIZE), + BLAKE2S_ALG("blake2s-160", "blake2s-160-x86", BLAKE2S_160_HASH_SIZE), + BLAKE2S_ALG("blake2s-224", "blake2s-224-x86", BLAKE2S_224_HASH_SIZE), + BLAKE2S_ALG("blake2s-256", "blake2s-256-x86", BLAKE2S_256_HASH_SIZE), +}; static int __init blake2s_mod_init(void) { From 4c7a6f464d55044bacce491c6d5e54b716fd46fe Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Wed, 23 Dec 2020 00:09:52 -0800 Subject: [PATCH 20/39] UPSTREAM: crypto: blake2s - remove unneeded includes It doesn't make sense for the generic implementation of BLAKE2s to include and , as these are things that would only be useful in an architecture-specific implementation. Remove these unnecessary includes. Acked-by: Ard Biesheuvel Signed-off-by: Eric Biggers Signed-off-by: Herbert Xu (cherry picked from commit df412e7efda1e2c5b5fcb06701bba77434cbd1e8) Bug: 152722841 Bug: 178411248 Change-Id: I8bccb9506d235c2b184b9899ee375fdc12d6b10f Signed-off-by: Eric Biggers --- crypto/blake2s_generic.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/crypto/blake2s_generic.c b/crypto/blake2s_generic.c index 1d258f449e8f..150edb492599 100644 --- a/crypto/blake2s_generic.c +++ b/crypto/blake2s_generic.c @@ -4,11 +4,9 @@ */ #include -#include #include #include -#include #include #include From 8a14e1d839cc42af27a1d1c700722a59e8bedcb1 Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Wed, 23 Dec 2020 00:09:53 -0800 Subject: [PATCH 21/39] UPSTREAM: crypto: blake2s - move update and final logic to internal/blake2s.h Move most of blake2s_update() and blake2s_final() into new inline functions __blake2s_update() and __blake2s_final() in include/crypto/internal/blake2s.h so that this logic can be shared by the shash helper functions. This will avoid duplicating this logic between the library and shash implementations. Signed-off-by: Eric Biggers Acked-by: Ard Biesheuvel Signed-off-by: Herbert Xu (cherry picked from commit 057edc9c8bb2d5ff5b058b521792c392428a0714) Bug: 152722841 Bug: 178411248 Change-Id: Idedf8147914839d5280e5d8eec9013264fbb45f9 Signed-off-by: Eric Biggers --- include/crypto/internal/blake2s.h | 41 ++++++++++++++++++++++++++ lib/crypto/blake2s.c | 48 ++++++------------------------- 2 files changed, 49 insertions(+), 40 deletions(-) diff --git a/include/crypto/internal/blake2s.h b/include/crypto/internal/blake2s.h index 6e376ae6b6b5..42deba4b8cee 100644 --- a/include/crypto/internal/blake2s.h +++ b/include/crypto/internal/blake2s.h @@ -4,6 +4,7 @@ #define BLAKE2S_INTERNAL_H #include +#include struct blake2s_tfm_ctx { u8 key[BLAKE2S_KEY_SIZE]; @@ -23,4 +24,44 @@ static inline void blake2s_set_lastblock(struct blake2s_state *state) state->f[0] = -1; } +typedef void (*blake2s_compress_t)(struct blake2s_state *state, + const u8 *block, size_t nblocks, u32 inc); + +static inline void __blake2s_update(struct blake2s_state *state, + const u8 *in, size_t inlen, + blake2s_compress_t compress) +{ + const size_t fill = BLAKE2S_BLOCK_SIZE - state->buflen; + + if (unlikely(!inlen)) + return; + if (inlen > fill) { + memcpy(state->buf + state->buflen, in, fill); + (*compress)(state, state->buf, 1, BLAKE2S_BLOCK_SIZE); + state->buflen = 0; + in += fill; + inlen -= fill; + } + if (inlen > BLAKE2S_BLOCK_SIZE) { + const size_t nblocks = DIV_ROUND_UP(inlen, BLAKE2S_BLOCK_SIZE); + /* Hash one less (full) block than strictly possible */ + (*compress)(state, in, nblocks - 1, BLAKE2S_BLOCK_SIZE); + in += BLAKE2S_BLOCK_SIZE * (nblocks - 1); + inlen -= BLAKE2S_BLOCK_SIZE * (nblocks - 1); + } + memcpy(state->buf + state->buflen, in, inlen); + state->buflen += inlen; +} + +static inline void __blake2s_final(struct blake2s_state *state, u8 *out, + blake2s_compress_t compress) +{ + blake2s_set_lastblock(state); + memset(state->buf + state->buflen, 0, + BLAKE2S_BLOCK_SIZE - state->buflen); /* Padding */ + (*compress)(state, state->buf, 1, state->buflen); + cpu_to_le32_array(state->h, ARRAY_SIZE(state->h)); + memcpy(out, state->h, state->outlen); +} + #endif /* BLAKE2S_INTERNAL_H */ diff --git a/lib/crypto/blake2s.c b/lib/crypto/blake2s.c index 6a4b6b78d630..c64ac8bfb6a9 100644 --- a/lib/crypto/blake2s.c +++ b/lib/crypto/blake2s.c @@ -15,55 +15,23 @@ #include #include #include -#include + +#if IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_BLAKE2S) +# define blake2s_compress blake2s_compress_arch +#else +# define blake2s_compress blake2s_compress_generic +#endif void blake2s_update(struct blake2s_state *state, const u8 *in, size_t inlen) { - const size_t fill = BLAKE2S_BLOCK_SIZE - state->buflen; - - if (unlikely(!inlen)) - return; - if (inlen > fill) { - memcpy(state->buf + state->buflen, in, fill); - if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_BLAKE2S)) - blake2s_compress_arch(state, state->buf, 1, - BLAKE2S_BLOCK_SIZE); - else - blake2s_compress_generic(state, state->buf, 1, - BLAKE2S_BLOCK_SIZE); - state->buflen = 0; - in += fill; - inlen -= fill; - } - if (inlen > BLAKE2S_BLOCK_SIZE) { - const size_t nblocks = DIV_ROUND_UP(inlen, BLAKE2S_BLOCK_SIZE); - /* Hash one less (full) block than strictly possible */ - if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_BLAKE2S)) - blake2s_compress_arch(state, in, nblocks - 1, - BLAKE2S_BLOCK_SIZE); - else - blake2s_compress_generic(state, in, nblocks - 1, - BLAKE2S_BLOCK_SIZE); - in += BLAKE2S_BLOCK_SIZE * (nblocks - 1); - inlen -= BLAKE2S_BLOCK_SIZE * (nblocks - 1); - } - memcpy(state->buf + state->buflen, in, inlen); - state->buflen += inlen; + __blake2s_update(state, in, inlen, blake2s_compress); } EXPORT_SYMBOL(blake2s_update); void blake2s_final(struct blake2s_state *state, u8 *out) { WARN_ON(IS_ENABLED(DEBUG) && !out); - blake2s_set_lastblock(state); - memset(state->buf + state->buflen, 0, - BLAKE2S_BLOCK_SIZE - state->buflen); /* Padding */ - if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_BLAKE2S)) - blake2s_compress_arch(state, state->buf, 1, state->buflen); - else - blake2s_compress_generic(state, state->buf, 1, state->buflen); - cpu_to_le32_array(state->h, ARRAY_SIZE(state->h)); - memcpy(out, state->h, state->outlen); + __blake2s_final(state, out, blake2s_compress); memzero_explicit(state, sizeof(*state)); } EXPORT_SYMBOL(blake2s_final); From 74c75891bd2e3ef2c589ac5088559840dd57f9e6 Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Wed, 23 Dec 2020 00:09:54 -0800 Subject: [PATCH 22/39] BACKPORT: crypto: blake2s - share the "shash" API boilerplate code Add helper functions for shash implementations of BLAKE2s to include/crypto/internal/blake2s.h, taking advantage of __blake2s_update() and __blake2s_final() that were added by the previous patch to share more code between the library and shash implementations. crypto_blake2s_setkey() and crypto_blake2s_init() are usable as shash_alg::setkey and shash_alg::init directly, while crypto_blake2s_update() and crypto_blake2s_final() take an extra 'blake2s_compress_t' function pointer parameter. This allows the implementation of the compression function to be overridden, which is the only part that optimized implementations really care about. The new functions are inline functions (similar to those in sha1_base.h, sha256_base.h, and sm3_base.h) because this avoids needing to add a new module blake2s_helpers.ko, they aren't *too* long, and this avoids indirect calls which are expensive these days. Note that they can't go in blake2s_generic.ko, as that would require selecting CRYPTO_BLAKE2S from CRYPTO_BLAKE2S_X86, which would cause a recursive dependency. Finally, use these new helper functions in the x86 implementation of BLAKE2s. (This part should be a separate patch, but unfortunately the x86 implementation used the exact same function names like "crypto_blake2s_update()", so it had to be updated at the same time.) Signed-off-by: Eric Biggers Acked-by: Ard Biesheuvel Signed-off-by: Herbert Xu (cherry picked from commit 8c4a93a1270ddffc7660ae43fa8030ecfe9c06d9) Conflicts: arch/x86/crypto/blake2s-glue.c crypto/blake2s_generic.c (conflict due to this branch not having commit 674f368a952c, "crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN") Bug: 152722841 Bug: 178411248 Change-Id: I9d23b1897cee81fb1704b6eea14d3dc9b1c80fe0 Signed-off-by: Eric Biggers --- arch/x86/crypto/blake2s-glue.c | 76 +++--------------------------- crypto/blake2s_generic.c | 78 ++++--------------------------- include/crypto/internal/blake2s.h | 65 ++++++++++++++++++++++++-- 3 files changed, 76 insertions(+), 143 deletions(-) diff --git a/arch/x86/crypto/blake2s-glue.c b/arch/x86/crypto/blake2s-glue.c index e2b755e46b98..a8fe73ba5dbc 100644 --- a/arch/x86/crypto/blake2s-glue.c +++ b/arch/x86/crypto/blake2s-glue.c @@ -59,77 +59,15 @@ void blake2s_compress_arch(struct blake2s_state *state, } EXPORT_SYMBOL(blake2s_compress_arch); -static int crypto_blake2s_setkey(struct crypto_shash *tfm, const u8 *key, - unsigned int keylen) +static int crypto_blake2s_update_x86(struct shash_desc *desc, + const u8 *in, unsigned int inlen) { - struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(tfm); - - if (keylen == 0 || keylen > BLAKE2S_KEY_SIZE) { - crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); - return -EINVAL; - } - - memcpy(tctx->key, key, keylen); - tctx->keylen = keylen; - - return 0; + return crypto_blake2s_update(desc, in, inlen, blake2s_compress_arch); } -static int crypto_blake2s_init(struct shash_desc *desc) +static int crypto_blake2s_final_x86(struct shash_desc *desc, u8 *out) { - struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm); - struct blake2s_state *state = shash_desc_ctx(desc); - const int outlen = crypto_shash_digestsize(desc->tfm); - - if (tctx->keylen) - blake2s_init_key(state, outlen, tctx->key, tctx->keylen); - else - blake2s_init(state, outlen); - - return 0; -} - -static int crypto_blake2s_update(struct shash_desc *desc, const u8 *in, - unsigned int inlen) -{ - struct blake2s_state *state = shash_desc_ctx(desc); - const size_t fill = BLAKE2S_BLOCK_SIZE - state->buflen; - - if (unlikely(!inlen)) - return 0; - if (inlen > fill) { - memcpy(state->buf + state->buflen, in, fill); - blake2s_compress_arch(state, state->buf, 1, BLAKE2S_BLOCK_SIZE); - state->buflen = 0; - in += fill; - inlen -= fill; - } - if (inlen > BLAKE2S_BLOCK_SIZE) { - const size_t nblocks = DIV_ROUND_UP(inlen, BLAKE2S_BLOCK_SIZE); - /* Hash one less (full) block than strictly possible */ - blake2s_compress_arch(state, in, nblocks - 1, BLAKE2S_BLOCK_SIZE); - in += BLAKE2S_BLOCK_SIZE * (nblocks - 1); - inlen -= BLAKE2S_BLOCK_SIZE * (nblocks - 1); - } - memcpy(state->buf + state->buflen, in, inlen); - state->buflen += inlen; - - return 0; -} - -static int crypto_blake2s_final(struct shash_desc *desc, u8 *out) -{ - struct blake2s_state *state = shash_desc_ctx(desc); - - blake2s_set_lastblock(state); - memset(state->buf + state->buflen, 0, - BLAKE2S_BLOCK_SIZE - state->buflen); /* Padding */ - blake2s_compress_arch(state, state->buf, 1, state->buflen); - cpu_to_le32_array(state->h, ARRAY_SIZE(state->h)); - memcpy(out, state->h, state->outlen); - memzero_explicit(state, sizeof(*state)); - - return 0; + return crypto_blake2s_final(desc, out, blake2s_compress_arch); } #define BLAKE2S_ALG(name, driver_name, digest_size) \ @@ -144,8 +82,8 @@ static int crypto_blake2s_final(struct shash_desc *desc, u8 *out) .digestsize = digest_size, \ .setkey = crypto_blake2s_setkey, \ .init = crypto_blake2s_init, \ - .update = crypto_blake2s_update, \ - .final = crypto_blake2s_final, \ + .update = crypto_blake2s_update_x86, \ + .final = crypto_blake2s_final_x86, \ .descsize = sizeof(struct blake2s_state), \ } diff --git a/crypto/blake2s_generic.c b/crypto/blake2s_generic.c index 150edb492599..72fe480f9bd6 100644 --- a/crypto/blake2s_generic.c +++ b/crypto/blake2s_generic.c @@ -1,5 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 OR MIT /* + * shash interface to the generic implementation of BLAKE2s + * * Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. */ @@ -10,77 +12,15 @@ #include #include -static int crypto_blake2s_setkey(struct crypto_shash *tfm, const u8 *key, - unsigned int keylen) +static int crypto_blake2s_update_generic(struct shash_desc *desc, + const u8 *in, unsigned int inlen) { - struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(tfm); - - if (keylen == 0 || keylen > BLAKE2S_KEY_SIZE) { - crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); - return -EINVAL; - } - - memcpy(tctx->key, key, keylen); - tctx->keylen = keylen; - - return 0; + return crypto_blake2s_update(desc, in, inlen, blake2s_compress_generic); } -static int crypto_blake2s_init(struct shash_desc *desc) +static int crypto_blake2s_final_generic(struct shash_desc *desc, u8 *out) { - struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm); - struct blake2s_state *state = shash_desc_ctx(desc); - const int outlen = crypto_shash_digestsize(desc->tfm); - - if (tctx->keylen) - blake2s_init_key(state, outlen, tctx->key, tctx->keylen); - else - blake2s_init(state, outlen); - - return 0; -} - -static int crypto_blake2s_update(struct shash_desc *desc, const u8 *in, - unsigned int inlen) -{ - struct blake2s_state *state = shash_desc_ctx(desc); - const size_t fill = BLAKE2S_BLOCK_SIZE - state->buflen; - - if (unlikely(!inlen)) - return 0; - if (inlen > fill) { - memcpy(state->buf + state->buflen, in, fill); - blake2s_compress_generic(state, state->buf, 1, BLAKE2S_BLOCK_SIZE); - state->buflen = 0; - in += fill; - inlen -= fill; - } - if (inlen > BLAKE2S_BLOCK_SIZE) { - const size_t nblocks = DIV_ROUND_UP(inlen, BLAKE2S_BLOCK_SIZE); - /* Hash one less (full) block than strictly possible */ - blake2s_compress_generic(state, in, nblocks - 1, BLAKE2S_BLOCK_SIZE); - in += BLAKE2S_BLOCK_SIZE * (nblocks - 1); - inlen -= BLAKE2S_BLOCK_SIZE * (nblocks - 1); - } - memcpy(state->buf + state->buflen, in, inlen); - state->buflen += inlen; - - return 0; -} - -static int crypto_blake2s_final(struct shash_desc *desc, u8 *out) -{ - struct blake2s_state *state = shash_desc_ctx(desc); - - blake2s_set_lastblock(state); - memset(state->buf + state->buflen, 0, - BLAKE2S_BLOCK_SIZE - state->buflen); /* Padding */ - blake2s_compress_generic(state, state->buf, 1, state->buflen); - cpu_to_le32_array(state->h, ARRAY_SIZE(state->h)); - memcpy(out, state->h, state->outlen); - memzero_explicit(state, sizeof(*state)); - - return 0; + return crypto_blake2s_final(desc, out, blake2s_compress_generic); } #define BLAKE2S_ALG(name, driver_name, digest_size) \ @@ -95,8 +35,8 @@ static int crypto_blake2s_final(struct shash_desc *desc, u8 *out) .digestsize = digest_size, \ .setkey = crypto_blake2s_setkey, \ .init = crypto_blake2s_init, \ - .update = crypto_blake2s_update, \ - .final = crypto_blake2s_final, \ + .update = crypto_blake2s_update_generic, \ + .final = crypto_blake2s_final_generic, \ .descsize = sizeof(struct blake2s_state), \ } diff --git a/include/crypto/internal/blake2s.h b/include/crypto/internal/blake2s.h index 42deba4b8cee..2ea0a8f5e7f4 100644 --- a/include/crypto/internal/blake2s.h +++ b/include/crypto/internal/blake2s.h @@ -1,16 +1,16 @@ /* SPDX-License-Identifier: GPL-2.0 OR MIT */ +/* + * Helper functions for BLAKE2s implementations. + * Keep this in sync with the corresponding BLAKE2b header. + */ #ifndef BLAKE2S_INTERNAL_H #define BLAKE2S_INTERNAL_H #include +#include #include -struct blake2s_tfm_ctx { - u8 key[BLAKE2S_KEY_SIZE]; - unsigned int keylen; -}; - void blake2s_compress_generic(struct blake2s_state *state,const u8 *block, size_t nblocks, const u32 inc); @@ -27,6 +27,8 @@ static inline void blake2s_set_lastblock(struct blake2s_state *state) typedef void (*blake2s_compress_t)(struct blake2s_state *state, const u8 *block, size_t nblocks, u32 inc); +/* Helper functions for BLAKE2s shared by the library and shash APIs */ + static inline void __blake2s_update(struct blake2s_state *state, const u8 *in, size_t inlen, blake2s_compress_t compress) @@ -64,4 +66,57 @@ static inline void __blake2s_final(struct blake2s_state *state, u8 *out, memcpy(out, state->h, state->outlen); } +/* Helper functions for shash implementations of BLAKE2s */ + +struct blake2s_tfm_ctx { + u8 key[BLAKE2S_KEY_SIZE]; + unsigned int keylen; +}; + +static inline int crypto_blake2s_setkey(struct crypto_shash *tfm, + const u8 *key, unsigned int keylen) +{ + struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(tfm); + + if (keylen == 0 || keylen > BLAKE2S_KEY_SIZE) + return -EINVAL; + + memcpy(tctx->key, key, keylen); + tctx->keylen = keylen; + + return 0; +} + +static inline int crypto_blake2s_init(struct shash_desc *desc) +{ + const struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm); + struct blake2s_state *state = shash_desc_ctx(desc); + unsigned int outlen = crypto_shash_digestsize(desc->tfm); + + if (tctx->keylen) + blake2s_init_key(state, outlen, tctx->key, tctx->keylen); + else + blake2s_init(state, outlen); + return 0; +} + +static inline int crypto_blake2s_update(struct shash_desc *desc, + const u8 *in, unsigned int inlen, + blake2s_compress_t compress) +{ + struct blake2s_state *state = shash_desc_ctx(desc); + + __blake2s_update(state, in, inlen, compress); + return 0; +} + +static inline int crypto_blake2s_final(struct shash_desc *desc, u8 *out, + blake2s_compress_t compress) +{ + struct blake2s_state *state = shash_desc_ctx(desc); + + __blake2s_final(state, out, compress); + return 0; +} + #endif /* BLAKE2S_INTERNAL_H */ From 32ac79b0967b67cc9272bcea9204fce33ff9f83b Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Wed, 23 Dec 2020 00:09:55 -0800 Subject: [PATCH 23/39] UPSTREAM: crypto: blake2s - optimize blake2s initialization If no key was provided, then don't waste time initializing the block buffer, as its initial contents won't be used. Also, make crypto_blake2s_init() and blake2s() call a single internal function __blake2s_init() which treats the key as optional, rather than conditionally calling blake2s_init() or blake2s_init_key(). This reduces the compiled code size, as previously both blake2s_init() and blake2s_init_key() were being inlined into these two callers, except when the key size passed to blake2s() was a compile-time constant. These optimizations aren't that significant for BLAKE2s. However, the equivalent optimizations will be more significant for BLAKE2b, as everything is twice as big in BLAKE2b. And it's good to keep things consistent rather than making optimizations for BLAKE2b but not BLAKE2s. Signed-off-by: Eric Biggers Acked-by: Ard Biesheuvel Signed-off-by: Herbert Xu (cherry picked from commit 42ad8cf821f0d8564c393e9ad7d00a1a271d18ae) Bug: 152722841 Bug: 178411248 Change-Id: Id057e0c8a5f0e432f227dc3deaa8997a7cbc0577 Signed-off-by: Eric Biggers --- include/crypto/blake2s.h | 53 ++++++++++++++++--------------- include/crypto/internal/blake2s.h | 5 +-- 2 files changed, 28 insertions(+), 30 deletions(-) diff --git a/include/crypto/blake2s.h b/include/crypto/blake2s.h index b471deac28ff..734ed22b7a6a 100644 --- a/include/crypto/blake2s.h +++ b/include/crypto/blake2s.h @@ -43,29 +43,34 @@ enum blake2s_iv { BLAKE2S_IV7 = 0x5BE0CD19UL, }; -void blake2s_update(struct blake2s_state *state, const u8 *in, size_t inlen); -void blake2s_final(struct blake2s_state *state, u8 *out); - -static inline void blake2s_init_param(struct blake2s_state *state, - const u32 param) +static inline void __blake2s_init(struct blake2s_state *state, size_t outlen, + const void *key, size_t keylen) { - *state = (struct blake2s_state){{ - BLAKE2S_IV0 ^ param, - BLAKE2S_IV1, - BLAKE2S_IV2, - BLAKE2S_IV3, - BLAKE2S_IV4, - BLAKE2S_IV5, - BLAKE2S_IV6, - BLAKE2S_IV7, - }}; + state->h[0] = BLAKE2S_IV0 ^ (0x01010000 | keylen << 8 | outlen); + state->h[1] = BLAKE2S_IV1; + state->h[2] = BLAKE2S_IV2; + state->h[3] = BLAKE2S_IV3; + state->h[4] = BLAKE2S_IV4; + state->h[5] = BLAKE2S_IV5; + state->h[6] = BLAKE2S_IV6; + state->h[7] = BLAKE2S_IV7; + state->t[0] = 0; + state->t[1] = 0; + state->f[0] = 0; + state->f[1] = 0; + state->buflen = 0; + state->outlen = outlen; + if (keylen) { + memcpy(state->buf, key, keylen); + memset(&state->buf[keylen], 0, BLAKE2S_BLOCK_SIZE - keylen); + state->buflen = BLAKE2S_BLOCK_SIZE; + } } static inline void blake2s_init(struct blake2s_state *state, const size_t outlen) { - blake2s_init_param(state, 0x01010000 | outlen); - state->outlen = outlen; + __blake2s_init(state, outlen, NULL, 0); } static inline void blake2s_init_key(struct blake2s_state *state, @@ -75,12 +80,12 @@ static inline void blake2s_init_key(struct blake2s_state *state, WARN_ON(IS_ENABLED(DEBUG) && (!outlen || outlen > BLAKE2S_HASH_SIZE || !key || !keylen || keylen > BLAKE2S_KEY_SIZE)); - blake2s_init_param(state, 0x01010000 | keylen << 8 | outlen); - memcpy(state->buf, key, keylen); - state->buflen = BLAKE2S_BLOCK_SIZE; - state->outlen = outlen; + __blake2s_init(state, outlen, key, keylen); } +void blake2s_update(struct blake2s_state *state, const u8 *in, size_t inlen); +void blake2s_final(struct blake2s_state *state, u8 *out); + static inline void blake2s(u8 *out, const u8 *in, const u8 *key, const size_t outlen, const size_t inlen, const size_t keylen) @@ -91,11 +96,7 @@ static inline void blake2s(u8 *out, const u8 *in, const u8 *key, outlen > BLAKE2S_HASH_SIZE || keylen > BLAKE2S_KEY_SIZE || (!key && keylen))); - if (keylen) - blake2s_init_key(&state, outlen, key, keylen); - else - blake2s_init(&state, outlen); - + __blake2s_init(&state, outlen, key, keylen); blake2s_update(&state, in, inlen); blake2s_final(&state, out); } diff --git a/include/crypto/internal/blake2s.h b/include/crypto/internal/blake2s.h index 2ea0a8f5e7f4..867ef3753f5c 100644 --- a/include/crypto/internal/blake2s.h +++ b/include/crypto/internal/blake2s.h @@ -93,10 +93,7 @@ static inline int crypto_blake2s_init(struct shash_desc *desc) struct blake2s_state *state = shash_desc_ctx(desc); unsigned int outlen = crypto_shash_digestsize(desc->tfm); - if (tctx->keylen) - blake2s_init_key(state, outlen, tctx->key, tctx->keylen); - else - blake2s_init(state, outlen); + __blake2s_init(state, outlen, tctx->key, tctx->keylen); return 0; } From 609d9425fa37806dec820b0e801377403f7cd596 Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Wed, 23 Dec 2020 00:09:56 -0800 Subject: [PATCH 24/39] UPSTREAM: crypto: blake2s - add comment for blake2s_state fields The first three fields of 'struct blake2s_state' are used in assembly code, which isn't immediately obvious, so add a comment to this effect. Signed-off-by: Eric Biggers Acked-by: Ard Biesheuvel Signed-off-by: Herbert Xu (cherry picked from commit 7d87131fadd53a0401b5c078dd64e58c3ea6994c) Bug: 152722841 Bug: 178411248 Change-Id: Iab85ddd350a2db917b247ba8f6e224eba905b747 Signed-off-by: Eric Biggers --- include/crypto/blake2s.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/crypto/blake2s.h b/include/crypto/blake2s.h index 734ed22b7a6a..f1c8330a61a9 100644 --- a/include/crypto/blake2s.h +++ b/include/crypto/blake2s.h @@ -24,6 +24,7 @@ enum blake2s_lengths { }; struct blake2s_state { + /* 'h', 't', and 'f' are used in assembly code, so keep them as-is. */ u32 h[8]; u32 t[2]; u32 f[2]; From b8de6b8e2c1182558945349fe5809130273b8333 Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Wed, 23 Dec 2020 00:09:57 -0800 Subject: [PATCH 25/39] UPSTREAM: crypto: blake2s - adjust include guard naming Use the full path in the include guards for the BLAKE2s headers to avoid ambiguity and to match the convention for most files in include/crypto/. Signed-off-by: Eric Biggers Acked-by: Ard Biesheuvel Signed-off-by: Herbert Xu (cherry picked from commit 8786841bc2020f7f2513a6c74e64912f07b9c0dc) Bug: 152722841 Bug: 178411248 Change-Id: Iea57edbe14c9083ce3d7a77b2c3bd63cd6650e56 Signed-off-by: Eric Biggers --- include/crypto/blake2s.h | 6 +++--- include/crypto/internal/blake2s.h | 6 +++--- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/include/crypto/blake2s.h b/include/crypto/blake2s.h index f1c8330a61a9..3f06183c2d80 100644 --- a/include/crypto/blake2s.h +++ b/include/crypto/blake2s.h @@ -3,8 +3,8 @@ * Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. */ -#ifndef BLAKE2S_H -#define BLAKE2S_H +#ifndef _CRYPTO_BLAKE2S_H +#define _CRYPTO_BLAKE2S_H #include #include @@ -105,4 +105,4 @@ static inline void blake2s(u8 *out, const u8 *in, const u8 *key, void blake2s256_hmac(u8 *out, const u8 *in, const u8 *key, const size_t inlen, const size_t keylen); -#endif /* BLAKE2S_H */ +#endif /* _CRYPTO_BLAKE2S_H */ diff --git a/include/crypto/internal/blake2s.h b/include/crypto/internal/blake2s.h index 867ef3753f5c..8e50d487500f 100644 --- a/include/crypto/internal/blake2s.h +++ b/include/crypto/internal/blake2s.h @@ -4,8 +4,8 @@ * Keep this in sync with the corresponding BLAKE2b header. */ -#ifndef BLAKE2S_INTERNAL_H -#define BLAKE2S_INTERNAL_H +#ifndef _CRYPTO_INTERNAL_BLAKE2S_H +#define _CRYPTO_INTERNAL_BLAKE2S_H #include #include @@ -116,4 +116,4 @@ static inline int crypto_blake2s_final(struct shash_desc *desc, u8 *out, return 0; } -#endif /* BLAKE2S_INTERNAL_H */ +#endif /* _CRYPTO_INTERNAL_BLAKE2S_H */ From d63d7c1ee0dd398a555be57e3580fb07015fe6b9 Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Wed, 23 Dec 2020 00:09:58 -0800 Subject: [PATCH 26/39] UPSTREAM: crypto: blake2s - include instead of Address the following checkpatch warning: WARNING: Use #include instead of Signed-off-by: Eric Biggers Acked-by: Ard Biesheuvel Signed-off-by: Herbert Xu (cherry picked from commit bbda6e0f1303953c855ee3669655a81b69fbe899) Bug: 152722841 Bug: 178411248 Change-Id: Ib12103873c97387ba59ff897c44a18e4f1e6da3d Signed-off-by: Eric Biggers --- include/crypto/blake2s.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/include/crypto/blake2s.h b/include/crypto/blake2s.h index 3f06183c2d80..bc3fb59442ce 100644 --- a/include/crypto/blake2s.h +++ b/include/crypto/blake2s.h @@ -6,12 +6,11 @@ #ifndef _CRYPTO_BLAKE2S_H #define _CRYPTO_BLAKE2S_H +#include #include #include #include -#include - enum blake2s_lengths { BLAKE2S_BLOCK_SIZE = 64, BLAKE2S_HASH_SIZE = 32, From be7d8de42887ee77b0819ade33dfd4e4e9f20183 Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Wed, 23 Dec 2020 00:09:59 -0800 Subject: [PATCH 27/39] UPSTREAM: crypto: arm/blake2s - add ARM scalar optimized BLAKE2s Add an ARM scalar optimized implementation of BLAKE2s. NEON isn't very useful for BLAKE2s because the BLAKE2s block size is too small for NEON to help. Each NEON instruction would depend on the previous one, resulting in poor performance. With scalar instructions, on the other hand, we can take advantage of ARM's "free" rotations (like I did in chacha-scalar-core.S) to get an implementation get runs much faster than the C implementation. Performance results on Cortex-A7 in cycles per byte using the shash API: 4096-byte messages: blake2s-256-arm: 18.8 blake2s-256-generic: 26.0 500-byte messages: blake2s-256-arm: 20.3 blake2s-256-generic: 27.9 100-byte messages: blake2s-256-arm: 29.7 blake2s-256-generic: 39.2 32-byte messages: blake2s-256-arm: 50.6 blake2s-256-generic: 66.2 Except on very short messages, this is still slower than the NEON implementation of BLAKE2b which I've written; that is 14.0, 16.4, 25.8, and 76.1 cpb on 4096, 500, 100, and 32-byte messages, respectively. However, optimized BLAKE2s is useful for cases where BLAKE2s is used instead of BLAKE2b, such as WireGuard. This new implementation is added in the form of a new module blake2s-arm.ko, which is analogous to blake2s-x86_64.ko in that it provides blake2s_compress_arch() for use by the library API as well as optionally register the algorithms with the shash API. Acked-by: Ard Biesheuvel Signed-off-by: Eric Biggers Tested-by: Ard Biesheuvel Signed-off-by: Herbert Xu (cherry picked from commit 5172d322d34c30fb926b29aeb5a064e1fd8a5e13) Bug: 152722841 Bug: 178411248 Change-Id: I0ba7a0ea53518d512ccbe54a56970d6bbe2a32e0 Signed-off-by: Eric Biggers --- arch/arm/crypto/Kconfig | 9 ++ arch/arm/crypto/Makefile | 2 + arch/arm/crypto/blake2s-core.S | 285 +++++++++++++++++++++++++++++++++ arch/arm/crypto/blake2s-glue.c | 78 +++++++++ 4 files changed, 374 insertions(+) create mode 100644 arch/arm/crypto/blake2s-core.S create mode 100644 arch/arm/crypto/blake2s-glue.c diff --git a/arch/arm/crypto/Kconfig b/arch/arm/crypto/Kconfig index 043b0b18bf7e..7e682d1e6317 100644 --- a/arch/arm/crypto/Kconfig +++ b/arch/arm/crypto/Kconfig @@ -62,6 +62,15 @@ config CRYPTO_SHA512_ARM SHA-512 secure hash standard (DFIPS 180-2) implemented using optimized ARM assembler and NEON, when available. +config CRYPTO_BLAKE2S_ARM + tristate "BLAKE2s digest algorithm (ARM)" + select CRYPTO_ARCH_HAVE_LIB_BLAKE2S + help + BLAKE2s digest algorithm optimized with ARM scalar instructions. This + is faster than the generic implementations of BLAKE2s and BLAKE2b, but + slower than the NEON implementation of BLAKE2b. (There is no NEON + implementation of BLAKE2s, since NEON doesn't really help with it.) + config CRYPTO_AES_ARM tristate "Scalar AES cipher for ARM" select CRYPTO_ALGAPI diff --git a/arch/arm/crypto/Makefile b/arch/arm/crypto/Makefile index 4180f3a13512..ef729f0ab89f 100644 --- a/arch/arm/crypto/Makefile +++ b/arch/arm/crypto/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_CRYPTO_SHA1_ARM) += sha1-arm.o obj-$(CONFIG_CRYPTO_SHA1_ARM_NEON) += sha1-arm-neon.o obj-$(CONFIG_CRYPTO_SHA256_ARM) += sha256-arm.o obj-$(CONFIG_CRYPTO_SHA512_ARM) += sha512-arm.o +obj-$(CONFIG_CRYPTO_BLAKE2S_ARM) += blake2s-arm.o obj-$(CONFIG_CRYPTO_CHACHA20_NEON) += chacha-neon.o obj-$(CONFIG_CRYPTO_NHPOLY1305_NEON) += nhpoly1305-neon.o @@ -47,6 +48,7 @@ sha256-arm-neon-$(CONFIG_KERNEL_MODE_NEON) := sha256_neon_glue.o sha256-arm-y := sha256-core.o sha256_glue.o $(sha256-arm-neon-y) sha512-arm-neon-$(CONFIG_KERNEL_MODE_NEON) := sha512-neon-glue.o sha512-arm-y := sha512-core.o sha512-glue.o $(sha512-arm-neon-y) +blake2s-arm-y := blake2s-core.o blake2s-glue.o sha1-arm-ce-y := sha1-ce-core.o sha1-ce-glue.o sha2-arm-ce-y := sha2-ce-core.o sha2-ce-glue.o aes-arm-ce-y := aes-ce-core.o aes-ce-glue.o diff --git a/arch/arm/crypto/blake2s-core.S b/arch/arm/crypto/blake2s-core.S new file mode 100644 index 000000000000..bed897e9a181 --- /dev/null +++ b/arch/arm/crypto/blake2s-core.S @@ -0,0 +1,285 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * BLAKE2s digest algorithm, ARM scalar implementation + * + * Copyright 2020 Google LLC + * + * Author: Eric Biggers + */ + +#include + + // Registers used to hold message words temporarily. There aren't + // enough ARM registers to hold the whole message block, so we have to + // load the words on-demand. + M_0 .req r12 + M_1 .req r14 + +// The BLAKE2s initialization vector +.Lblake2s_IV: + .word 0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A + .word 0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19 + +.macro __ldrd a, b, src, offset +#if __LINUX_ARM_ARCH__ >= 6 + ldrd \a, \b, [\src, #\offset] +#else + ldr \a, [\src, #\offset] + ldr \b, [\src, #\offset + 4] +#endif +.endm + +.macro __strd a, b, dst, offset +#if __LINUX_ARM_ARCH__ >= 6 + strd \a, \b, [\dst, #\offset] +#else + str \a, [\dst, #\offset] + str \b, [\dst, #\offset + 4] +#endif +.endm + +// Execute a quarter-round of BLAKE2s by mixing two columns or two diagonals. +// (a0, b0, c0, d0) and (a1, b1, c1, d1) give the registers containing the two +// columns/diagonals. s0-s1 are the word offsets to the message words the first +// column/diagonal needs, and likewise s2-s3 for the second column/diagonal. +// M_0 and M_1 are free to use, and the message block can be found at sp + 32. +// +// Note that to save instructions, the rotations don't happen when the +// pseudocode says they should, but rather they are delayed until the values are +// used. See the comment above _blake2s_round(). +.macro _blake2s_quarterround a0, b0, c0, d0, a1, b1, c1, d1, s0, s1, s2, s3 + + ldr M_0, [sp, #32 + 4 * \s0] + ldr M_1, [sp, #32 + 4 * \s2] + + // a += b + m[blake2s_sigma[r][2*i + 0]]; + add \a0, \a0, \b0, ror #brot + add \a1, \a1, \b1, ror #brot + add \a0, \a0, M_0 + add \a1, \a1, M_1 + + // d = ror32(d ^ a, 16); + eor \d0, \a0, \d0, ror #drot + eor \d1, \a1, \d1, ror #drot + + // c += d; + add \c0, \c0, \d0, ror #16 + add \c1, \c1, \d1, ror #16 + + // b = ror32(b ^ c, 12); + eor \b0, \c0, \b0, ror #brot + eor \b1, \c1, \b1, ror #brot + + ldr M_0, [sp, #32 + 4 * \s1] + ldr M_1, [sp, #32 + 4 * \s3] + + // a += b + m[blake2s_sigma[r][2*i + 1]]; + add \a0, \a0, \b0, ror #12 + add \a1, \a1, \b1, ror #12 + add \a0, \a0, M_0 + add \a1, \a1, M_1 + + // d = ror32(d ^ a, 8); + eor \d0, \a0, \d0, ror#16 + eor \d1, \a1, \d1, ror#16 + + // c += d; + add \c0, \c0, \d0, ror#8 + add \c1, \c1, \d1, ror#8 + + // b = ror32(b ^ c, 7); + eor \b0, \c0, \b0, ror#12 + eor \b1, \c1, \b1, ror#12 +.endm + +// Execute one round of BLAKE2s by updating the state matrix v[0..15]. v[0..9] +// are in r0..r9. The stack pointer points to 8 bytes of scratch space for +// spilling v[8..9], then to v[9..15], then to the message block. r10-r12 and +// r14 are free to use. The macro arguments s0-s15 give the order in which the +// message words are used in this round. +// +// All rotates are performed using the implicit rotate operand accepted by the +// 'add' and 'eor' instructions. This is faster than using explicit rotate +// instructions. To make this work, we allow the values in the second and last +// rows of the BLAKE2s state matrix (rows 'b' and 'd') to temporarily have the +// wrong rotation amount. The rotation amount is then fixed up just in time +// when the values are used. 'brot' is the number of bits the values in row 'b' +// need to be rotated right to arrive at the correct values, and 'drot' +// similarly for row 'd'. (brot, drot) start out as (0, 0) but we make it such +// that they end up as (7, 8) after every round. +.macro _blake2s_round s0, s1, s2, s3, s4, s5, s6, s7, \ + s8, s9, s10, s11, s12, s13, s14, s15 + + // Mix first two columns: + // (v[0], v[4], v[8], v[12]) and (v[1], v[5], v[9], v[13]). + __ldrd r10, r11, sp, 16 // load v[12] and v[13] + _blake2s_quarterround r0, r4, r8, r10, r1, r5, r9, r11, \ + \s0, \s1, \s2, \s3 + __strd r8, r9, sp, 0 + __strd r10, r11, sp, 16 + + // Mix second two columns: + // (v[2], v[6], v[10], v[14]) and (v[3], v[7], v[11], v[15]). + __ldrd r8, r9, sp, 8 // load v[10] and v[11] + __ldrd r10, r11, sp, 24 // load v[14] and v[15] + _blake2s_quarterround r2, r6, r8, r10, r3, r7, r9, r11, \ + \s4, \s5, \s6, \s7 + str r10, [sp, #24] // store v[14] + // v[10], v[11], and v[15] are used below, so no need to store them yet. + + .set brot, 7 + .set drot, 8 + + // Mix first two diagonals: + // (v[0], v[5], v[10], v[15]) and (v[1], v[6], v[11], v[12]). + ldr r10, [sp, #16] // load v[12] + _blake2s_quarterround r0, r5, r8, r11, r1, r6, r9, r10, \ + \s8, \s9, \s10, \s11 + __strd r8, r9, sp, 8 + str r11, [sp, #28] + str r10, [sp, #16] + + // Mix second two diagonals: + // (v[2], v[7], v[8], v[13]) and (v[3], v[4], v[9], v[14]). + __ldrd r8, r9, sp, 0 // load v[8] and v[9] + __ldrd r10, r11, sp, 20 // load v[13] and v[14] + _blake2s_quarterround r2, r7, r8, r10, r3, r4, r9, r11, \ + \s12, \s13, \s14, \s15 + __strd r10, r11, sp, 20 +.endm + +// +// void blake2s_compress_arch(struct blake2s_state *state, +// const u8 *block, size_t nblocks, u32 inc); +// +// Only the first three fields of struct blake2s_state are used: +// u32 h[8]; (inout) +// u32 t[2]; (inout) +// u32 f[2]; (in) +// + .align 5 +ENTRY(blake2s_compress_arch) + push {r0-r2,r4-r11,lr} // keep this an even number + +.Lnext_block: + // r0 is 'state' + // r1 is 'block' + // r3 is 'inc' + + // Load and increment the counter t[0..1]. + __ldrd r10, r11, r0, 32 + adds r10, r10, r3 + adc r11, r11, #0 + __strd r10, r11, r0, 32 + + // _blake2s_round is very short on registers, so copy the message block + // to the stack to save a register during the rounds. This also has the + // advantage that misalignment only needs to be dealt with in one place. + sub sp, sp, #64 + mov r12, sp + tst r1, #3 + bne .Lcopy_block_misaligned + ldmia r1!, {r2-r9} + stmia r12!, {r2-r9} + ldmia r1!, {r2-r9} + stmia r12, {r2-r9} +.Lcopy_block_done: + str r1, [sp, #68] // Update message pointer + + // Calculate v[8..15]. Push v[9..15] onto the stack, and leave space + // for spilling v[8..9]. Leave v[8..9] in r8-r9. + mov r14, r0 // r14 = state + adr r12, .Lblake2s_IV + ldmia r12!, {r8-r9} // load IV[0..1] + __ldrd r0, r1, r14, 40 // load f[0..1] + ldm r12, {r2-r7} // load IV[3..7] + eor r4, r4, r10 // v[12] = IV[4] ^ t[0] + eor r5, r5, r11 // v[13] = IV[5] ^ t[1] + eor r6, r6, r0 // v[14] = IV[6] ^ f[0] + eor r7, r7, r1 // v[15] = IV[7] ^ f[1] + push {r2-r7} // push v[9..15] + sub sp, sp, #8 // leave space for v[8..9] + + // Load h[0..7] == v[0..7]. + ldm r14, {r0-r7} + + // Execute the rounds. Each round is provided the order in which it + // needs to use the message words. + .set brot, 0 + .set drot, 0 + _blake2s_round 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 + _blake2s_round 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 + _blake2s_round 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 + _blake2s_round 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 + _blake2s_round 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 + _blake2s_round 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 + _blake2s_round 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 + _blake2s_round 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 + _blake2s_round 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 + _blake2s_round 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0 + + // Fold the final state matrix into the hash chaining value: + // + // for (i = 0; i < 8; i++) + // h[i] ^= v[i] ^ v[i + 8]; + // + ldr r14, [sp, #96] // r14 = &h[0] + add sp, sp, #8 // v[8..9] are already loaded. + pop {r10-r11} // load v[10..11] + eor r0, r0, r8 + eor r1, r1, r9 + eor r2, r2, r10 + eor r3, r3, r11 + ldm r14, {r8-r11} // load h[0..3] + eor r0, r0, r8 + eor r1, r1, r9 + eor r2, r2, r10 + eor r3, r3, r11 + stmia r14!, {r0-r3} // store new h[0..3] + ldm r14, {r0-r3} // load old h[4..7] + pop {r8-r11} // load v[12..15] + eor r0, r0, r4, ror #brot + eor r1, r1, r5, ror #brot + eor r2, r2, r6, ror #brot + eor r3, r3, r7, ror #brot + eor r0, r0, r8, ror #drot + eor r1, r1, r9, ror #drot + eor r2, r2, r10, ror #drot + eor r3, r3, r11, ror #drot + add sp, sp, #64 // skip copy of message block + stm r14, {r0-r3} // store new h[4..7] + + // Advance to the next block, if there is one. Note that if there are + // multiple blocks, then 'inc' (the counter increment amount) must be + // 64. So we can simply set it to 64 without re-loading it. + ldm sp, {r0, r1, r2} // load (state, block, nblocks) + mov r3, #64 // set 'inc' + subs r2, r2, #1 // nblocks-- + str r2, [sp, #8] + bne .Lnext_block // nblocks != 0? + + pop {r0-r2,r4-r11,pc} + + // The next message block (pointed to by r1) isn't 4-byte aligned, so it + // can't be loaded using ldmia. Copy it to the stack buffer (pointed to + // by r12) using an alternative method. r2-r9 are free to use. +.Lcopy_block_misaligned: + mov r2, #64 +1: +#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS + ldr r3, [r1], #4 +#else + ldrb r3, [r1, #0] + ldrb r4, [r1, #1] + ldrb r5, [r1, #2] + ldrb r6, [r1, #3] + add r1, r1, #4 + orr r3, r3, r4, lsl #8 + orr r3, r3, r5, lsl #16 + orr r3, r3, r6, lsl #24 +#endif + subs r2, r2, #4 + str r3, [r12], #4 + bne 1b + b .Lcopy_block_done +ENDPROC(blake2s_compress_arch) diff --git a/arch/arm/crypto/blake2s-glue.c b/arch/arm/crypto/blake2s-glue.c new file mode 100644 index 000000000000..f2cc1e5fc9ec --- /dev/null +++ b/arch/arm/crypto/blake2s-glue.c @@ -0,0 +1,78 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * BLAKE2s digest algorithm, ARM scalar implementation + * + * Copyright 2020 Google LLC + */ + +#include +#include + +#include + +/* defined in blake2s-core.S */ +EXPORT_SYMBOL(blake2s_compress_arch); + +static int crypto_blake2s_update_arm(struct shash_desc *desc, + const u8 *in, unsigned int inlen) +{ + return crypto_blake2s_update(desc, in, inlen, blake2s_compress_arch); +} + +static int crypto_blake2s_final_arm(struct shash_desc *desc, u8 *out) +{ + return crypto_blake2s_final(desc, out, blake2s_compress_arch); +} + +#define BLAKE2S_ALG(name, driver_name, digest_size) \ + { \ + .base.cra_name = name, \ + .base.cra_driver_name = driver_name, \ + .base.cra_priority = 200, \ + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, \ + .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, \ + .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), \ + .base.cra_module = THIS_MODULE, \ + .digestsize = digest_size, \ + .setkey = crypto_blake2s_setkey, \ + .init = crypto_blake2s_init, \ + .update = crypto_blake2s_update_arm, \ + .final = crypto_blake2s_final_arm, \ + .descsize = sizeof(struct blake2s_state), \ + } + +static struct shash_alg blake2s_arm_algs[] = { + BLAKE2S_ALG("blake2s-128", "blake2s-128-arm", BLAKE2S_128_HASH_SIZE), + BLAKE2S_ALG("blake2s-160", "blake2s-160-arm", BLAKE2S_160_HASH_SIZE), + BLAKE2S_ALG("blake2s-224", "blake2s-224-arm", BLAKE2S_224_HASH_SIZE), + BLAKE2S_ALG("blake2s-256", "blake2s-256-arm", BLAKE2S_256_HASH_SIZE), +}; + +static int __init blake2s_arm_mod_init(void) +{ + return IS_REACHABLE(CONFIG_CRYPTO_HASH) ? + crypto_register_shashes(blake2s_arm_algs, + ARRAY_SIZE(blake2s_arm_algs)) : 0; +} + +static void __exit blake2s_arm_mod_exit(void) +{ + if (IS_REACHABLE(CONFIG_CRYPTO_HASH)) + crypto_unregister_shashes(blake2s_arm_algs, + ARRAY_SIZE(blake2s_arm_algs)); +} + +module_init(blake2s_arm_mod_init); +module_exit(blake2s_arm_mod_exit); + +MODULE_DESCRIPTION("BLAKE2s digest algorithm, ARM scalar implementation"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Eric Biggers "); +MODULE_ALIAS_CRYPTO("blake2s-128"); +MODULE_ALIAS_CRYPTO("blake2s-128-arm"); +MODULE_ALIAS_CRYPTO("blake2s-160"); +MODULE_ALIAS_CRYPTO("blake2s-160-arm"); +MODULE_ALIAS_CRYPTO("blake2s-224"); +MODULE_ALIAS_CRYPTO("blake2s-224-arm"); +MODULE_ALIAS_CRYPTO("blake2s-256"); +MODULE_ALIAS_CRYPTO("blake2s-256-arm"); From c5816192fd53c255b1ce614dc1e1c29cc9683f30 Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Wed, 23 Dec 2020 00:10:01 -0800 Subject: [PATCH 28/39] BACKPORT: crypto: blake2b - sync with blake2s implementation Sync the BLAKE2b code with the BLAKE2s code as much as possible: - Move a lot of code into new headers and , and adjust it to be like the corresponding BLAKE2s code, i.e. like and . - Rename constants, e.g. BLAKE2B_*_DIGEST_SIZE => BLAKE2B_*_HASH_SIZE. - Use a macro BLAKE2B_ALG() to define the shash_alg structs. - Export blake2b_compress_generic() for use as a fallback. This makes it much easier to add optimized implementations of BLAKE2b, as optimized implementations can use the helper functions crypto_blake2b_{setkey,init,update,final}() and blake2b_compress_generic(). The ARM implementation will use these. But this change is also helpful because it eliminates unnecessary differences between the BLAKE2b and BLAKE2s code, so that the same improvements can easily be made to both. (The two algorithms are basically identical, except for the word size and constants.) It also makes it straightforward to add a library API for BLAKE2b in the future if/when it's needed. This change does make the BLAKE2b code slightly more complicated than it needs to be, as it doesn't actually provide a library API yet. For example, __blake2b_update() doesn't really need to exist yet; it could just be inlined into crypto_blake2b_update(). But I believe this is outweighed by the benefits of keeping the code in sync. Signed-off-by: Eric Biggers Acked-by: Ard Biesheuvel Signed-off-by: Herbert Xu (cherry picked from commit 28dcca4cc0c01e2467549a36b1b0eacfdb01236c) Conflicts: crypto/blake2b_generic.c (conflict due to this branch not having commit 674f368a952c, "crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN") Bug: 178411248 Change-Id: I755c64fefe1209b54d1417d91e8a4c207382a620 Signed-off-by: Eric Biggers --- crypto/blake2b_generic.c | 240 +++++++----------------------- include/crypto/blake2b.h | 67 +++++++++ include/crypto/internal/blake2b.h | 115 ++++++++++++++ 3 files changed, 236 insertions(+), 186 deletions(-) create mode 100644 include/crypto/blake2b.h create mode 100644 include/crypto/internal/blake2b.h diff --git a/crypto/blake2b_generic.c b/crypto/blake2b_generic.c index 2f15a9725054..f336fbf9cb28 100644 --- a/crypto/blake2b_generic.c +++ b/crypto/blake2b_generic.c @@ -20,36 +20,11 @@ #include #include -#include #include #include +#include #include -#define BLAKE2B_160_DIGEST_SIZE (160 / 8) -#define BLAKE2B_256_DIGEST_SIZE (256 / 8) -#define BLAKE2B_384_DIGEST_SIZE (384 / 8) -#define BLAKE2B_512_DIGEST_SIZE (512 / 8) - -enum blake2b_constant { - BLAKE2B_BLOCKBYTES = 128, - BLAKE2B_KEYBYTES = 64, -}; - -struct blake2b_state { - u64 h[8]; - u64 t[2]; - u64 f[2]; - u8 buf[BLAKE2B_BLOCKBYTES]; - size_t buflen; -}; - -static const u64 blake2b_IV[8] = { - 0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL, - 0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL, - 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL, - 0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL -}; - static const u8 blake2b_sigma[12][16] = { { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 }, @@ -95,8 +70,8 @@ static void blake2b_increment_counter(struct blake2b_state *S, const u64 inc) G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \ } while (0) -static void blake2b_compress(struct blake2b_state *S, - const u8 block[BLAKE2B_BLOCKBYTES]) +static void blake2b_compress_one_generic(struct blake2b_state *S, + const u8 block[BLAKE2B_BLOCK_SIZE]) { u64 m[16]; u64 v[16]; @@ -108,14 +83,14 @@ static void blake2b_compress(struct blake2b_state *S, for (i = 0; i < 8; ++i) v[i] = S->h[i]; - v[ 8] = blake2b_IV[0]; - v[ 9] = blake2b_IV[1]; - v[10] = blake2b_IV[2]; - v[11] = blake2b_IV[3]; - v[12] = blake2b_IV[4] ^ S->t[0]; - v[13] = blake2b_IV[5] ^ S->t[1]; - v[14] = blake2b_IV[6] ^ S->f[0]; - v[15] = blake2b_IV[7] ^ S->f[1]; + v[ 8] = BLAKE2B_IV0; + v[ 9] = BLAKE2B_IV1; + v[10] = BLAKE2B_IV2; + v[11] = BLAKE2B_IV3; + v[12] = BLAKE2B_IV4 ^ S->t[0]; + v[13] = BLAKE2B_IV5 ^ S->t[1]; + v[14] = BLAKE2B_IV6 ^ S->f[0]; + v[15] = BLAKE2B_IV7 ^ S->f[1]; ROUND(0); ROUND(1); @@ -139,161 +114,54 @@ static void blake2b_compress(struct blake2b_state *S, #undef G #undef ROUND -struct blake2b_tfm_ctx { - u8 key[BLAKE2B_KEYBYTES]; - unsigned int keylen; -}; - -static int blake2b_setkey(struct crypto_shash *tfm, const u8 *key, - unsigned int keylen) +void blake2b_compress_generic(struct blake2b_state *state, + const u8 *block, size_t nblocks, u32 inc) { - struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(tfm); + do { + blake2b_increment_counter(state, inc); + blake2b_compress_one_generic(state, block); + block += BLAKE2B_BLOCK_SIZE; + } while (--nblocks); +} +EXPORT_SYMBOL(blake2b_compress_generic); - if (keylen == 0 || keylen > BLAKE2B_KEYBYTES) { - crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); - return -EINVAL; +static int crypto_blake2b_update_generic(struct shash_desc *desc, + const u8 *in, unsigned int inlen) +{ + return crypto_blake2b_update(desc, in, inlen, blake2b_compress_generic); +} + +static int crypto_blake2b_final_generic(struct shash_desc *desc, u8 *out) +{ + return crypto_blake2b_final(desc, out, blake2b_compress_generic); +} + +#define BLAKE2B_ALG(name, driver_name, digest_size) \ + { \ + .base.cra_name = name, \ + .base.cra_driver_name = driver_name, \ + .base.cra_priority = 100, \ + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, \ + .base.cra_blocksize = BLAKE2B_BLOCK_SIZE, \ + .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx), \ + .base.cra_module = THIS_MODULE, \ + .digestsize = digest_size, \ + .setkey = crypto_blake2b_setkey, \ + .init = crypto_blake2b_init, \ + .update = crypto_blake2b_update_generic, \ + .final = crypto_blake2b_final_generic, \ + .descsize = sizeof(struct blake2b_state), \ } - memcpy(tctx->key, key, keylen); - tctx->keylen = keylen; - - return 0; -} - -static int blake2b_init(struct shash_desc *desc) -{ - struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm); - struct blake2b_state *state = shash_desc_ctx(desc); - const int digestsize = crypto_shash_digestsize(desc->tfm); - - memset(state, 0, sizeof(*state)); - memcpy(state->h, blake2b_IV, sizeof(state->h)); - - /* Parameter block is all zeros except index 0, no xor for 1..7 */ - state->h[0] ^= 0x01010000 | tctx->keylen << 8 | digestsize; - - if (tctx->keylen) { - /* - * Prefill the buffer with the key, next call to _update or - * _final will process it - */ - memcpy(state->buf, tctx->key, tctx->keylen); - state->buflen = BLAKE2B_BLOCKBYTES; - } - return 0; -} - -static int blake2b_update(struct shash_desc *desc, const u8 *in, - unsigned int inlen) -{ - struct blake2b_state *state = shash_desc_ctx(desc); - const size_t left = state->buflen; - const size_t fill = BLAKE2B_BLOCKBYTES - left; - - if (!inlen) - return 0; - - if (inlen > fill) { - state->buflen = 0; - /* Fill buffer */ - memcpy(state->buf + left, in, fill); - blake2b_increment_counter(state, BLAKE2B_BLOCKBYTES); - /* Compress */ - blake2b_compress(state, state->buf); - in += fill; - inlen -= fill; - while (inlen > BLAKE2B_BLOCKBYTES) { - blake2b_increment_counter(state, BLAKE2B_BLOCKBYTES); - blake2b_compress(state, in); - in += BLAKE2B_BLOCKBYTES; - inlen -= BLAKE2B_BLOCKBYTES; - } - } - memcpy(state->buf + state->buflen, in, inlen); - state->buflen += inlen; - - return 0; -} - -static int blake2b_final(struct shash_desc *desc, u8 *out) -{ - struct blake2b_state *state = shash_desc_ctx(desc); - const int digestsize = crypto_shash_digestsize(desc->tfm); - size_t i; - - blake2b_increment_counter(state, state->buflen); - /* Set last block */ - state->f[0] = (u64)-1; - /* Padding */ - memset(state->buf + state->buflen, 0, BLAKE2B_BLOCKBYTES - state->buflen); - blake2b_compress(state, state->buf); - - /* Avoid temporary buffer and switch the internal output to LE order */ - for (i = 0; i < ARRAY_SIZE(state->h); i++) - __cpu_to_le64s(&state->h[i]); - - memcpy(out, state->h, digestsize); - return 0; -} - static struct shash_alg blake2b_algs[] = { - { - .base.cra_name = "blake2b-160", - .base.cra_driver_name = "blake2b-160-generic", - .base.cra_priority = 100, - .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, - .base.cra_blocksize = BLAKE2B_BLOCKBYTES, - .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx), - .base.cra_module = THIS_MODULE, - .digestsize = BLAKE2B_160_DIGEST_SIZE, - .setkey = blake2b_setkey, - .init = blake2b_init, - .update = blake2b_update, - .final = blake2b_final, - .descsize = sizeof(struct blake2b_state), - }, { - .base.cra_name = "blake2b-256", - .base.cra_driver_name = "blake2b-256-generic", - .base.cra_priority = 100, - .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, - .base.cra_blocksize = BLAKE2B_BLOCKBYTES, - .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx), - .base.cra_module = THIS_MODULE, - .digestsize = BLAKE2B_256_DIGEST_SIZE, - .setkey = blake2b_setkey, - .init = blake2b_init, - .update = blake2b_update, - .final = blake2b_final, - .descsize = sizeof(struct blake2b_state), - }, { - .base.cra_name = "blake2b-384", - .base.cra_driver_name = "blake2b-384-generic", - .base.cra_priority = 100, - .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, - .base.cra_blocksize = BLAKE2B_BLOCKBYTES, - .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx), - .base.cra_module = THIS_MODULE, - .digestsize = BLAKE2B_384_DIGEST_SIZE, - .setkey = blake2b_setkey, - .init = blake2b_init, - .update = blake2b_update, - .final = blake2b_final, - .descsize = sizeof(struct blake2b_state), - }, { - .base.cra_name = "blake2b-512", - .base.cra_driver_name = "blake2b-512-generic", - .base.cra_priority = 100, - .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, - .base.cra_blocksize = BLAKE2B_BLOCKBYTES, - .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx), - .base.cra_module = THIS_MODULE, - .digestsize = BLAKE2B_512_DIGEST_SIZE, - .setkey = blake2b_setkey, - .init = blake2b_init, - .update = blake2b_update, - .final = blake2b_final, - .descsize = sizeof(struct blake2b_state), - } + BLAKE2B_ALG("blake2b-160", "blake2b-160-generic", + BLAKE2B_160_HASH_SIZE), + BLAKE2B_ALG("blake2b-256", "blake2b-256-generic", + BLAKE2B_256_HASH_SIZE), + BLAKE2B_ALG("blake2b-384", "blake2b-384-generic", + BLAKE2B_384_HASH_SIZE), + BLAKE2B_ALG("blake2b-512", "blake2b-512-generic", + BLAKE2B_512_HASH_SIZE), }; static int __init blake2b_mod_init(void) diff --git a/include/crypto/blake2b.h b/include/crypto/blake2b.h new file mode 100644 index 000000000000..18875f16f8ca --- /dev/null +++ b/include/crypto/blake2b.h @@ -0,0 +1,67 @@ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ + +#ifndef _CRYPTO_BLAKE2B_H +#define _CRYPTO_BLAKE2B_H + +#include +#include +#include +#include + +enum blake2b_lengths { + BLAKE2B_BLOCK_SIZE = 128, + BLAKE2B_HASH_SIZE = 64, + BLAKE2B_KEY_SIZE = 64, + + BLAKE2B_160_HASH_SIZE = 20, + BLAKE2B_256_HASH_SIZE = 32, + BLAKE2B_384_HASH_SIZE = 48, + BLAKE2B_512_HASH_SIZE = 64, +}; + +struct blake2b_state { + /* 'h', 't', and 'f' are used in assembly code, so keep them as-is. */ + u64 h[8]; + u64 t[2]; + u64 f[2]; + u8 buf[BLAKE2B_BLOCK_SIZE]; + unsigned int buflen; + unsigned int outlen; +}; + +enum blake2b_iv { + BLAKE2B_IV0 = 0x6A09E667F3BCC908ULL, + BLAKE2B_IV1 = 0xBB67AE8584CAA73BULL, + BLAKE2B_IV2 = 0x3C6EF372FE94F82BULL, + BLAKE2B_IV3 = 0xA54FF53A5F1D36F1ULL, + BLAKE2B_IV4 = 0x510E527FADE682D1ULL, + BLAKE2B_IV5 = 0x9B05688C2B3E6C1FULL, + BLAKE2B_IV6 = 0x1F83D9ABFB41BD6BULL, + BLAKE2B_IV7 = 0x5BE0CD19137E2179ULL, +}; + +static inline void __blake2b_init(struct blake2b_state *state, size_t outlen, + const void *key, size_t keylen) +{ + state->h[0] = BLAKE2B_IV0 ^ (0x01010000 | keylen << 8 | outlen); + state->h[1] = BLAKE2B_IV1; + state->h[2] = BLAKE2B_IV2; + state->h[3] = BLAKE2B_IV3; + state->h[4] = BLAKE2B_IV4; + state->h[5] = BLAKE2B_IV5; + state->h[6] = BLAKE2B_IV6; + state->h[7] = BLAKE2B_IV7; + state->t[0] = 0; + state->t[1] = 0; + state->f[0] = 0; + state->f[1] = 0; + state->buflen = 0; + state->outlen = outlen; + if (keylen) { + memcpy(state->buf, key, keylen); + memset(&state->buf[keylen], 0, BLAKE2B_BLOCK_SIZE - keylen); + state->buflen = BLAKE2B_BLOCK_SIZE; + } +} + +#endif /* _CRYPTO_BLAKE2B_H */ diff --git a/include/crypto/internal/blake2b.h b/include/crypto/internal/blake2b.h new file mode 100644 index 000000000000..982fe5e8471c --- /dev/null +++ b/include/crypto/internal/blake2b.h @@ -0,0 +1,115 @@ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ +/* + * Helper functions for BLAKE2b implementations. + * Keep this in sync with the corresponding BLAKE2s header. + */ + +#ifndef _CRYPTO_INTERNAL_BLAKE2B_H +#define _CRYPTO_INTERNAL_BLAKE2B_H + +#include +#include +#include + +void blake2b_compress_generic(struct blake2b_state *state, + const u8 *block, size_t nblocks, u32 inc); + +static inline void blake2b_set_lastblock(struct blake2b_state *state) +{ + state->f[0] = -1; +} + +typedef void (*blake2b_compress_t)(struct blake2b_state *state, + const u8 *block, size_t nblocks, u32 inc); + +static inline void __blake2b_update(struct blake2b_state *state, + const u8 *in, size_t inlen, + blake2b_compress_t compress) +{ + const size_t fill = BLAKE2B_BLOCK_SIZE - state->buflen; + + if (unlikely(!inlen)) + return; + if (inlen > fill) { + memcpy(state->buf + state->buflen, in, fill); + (*compress)(state, state->buf, 1, BLAKE2B_BLOCK_SIZE); + state->buflen = 0; + in += fill; + inlen -= fill; + } + if (inlen > BLAKE2B_BLOCK_SIZE) { + const size_t nblocks = DIV_ROUND_UP(inlen, BLAKE2B_BLOCK_SIZE); + /* Hash one less (full) block than strictly possible */ + (*compress)(state, in, nblocks - 1, BLAKE2B_BLOCK_SIZE); + in += BLAKE2B_BLOCK_SIZE * (nblocks - 1); + inlen -= BLAKE2B_BLOCK_SIZE * (nblocks - 1); + } + memcpy(state->buf + state->buflen, in, inlen); + state->buflen += inlen; +} + +static inline void __blake2b_final(struct blake2b_state *state, u8 *out, + blake2b_compress_t compress) +{ + int i; + + blake2b_set_lastblock(state); + memset(state->buf + state->buflen, 0, + BLAKE2B_BLOCK_SIZE - state->buflen); /* Padding */ + (*compress)(state, state->buf, 1, state->buflen); + for (i = 0; i < ARRAY_SIZE(state->h); i++) + __cpu_to_le64s(&state->h[i]); + memcpy(out, state->h, state->outlen); +} + +/* Helper functions for shash implementations of BLAKE2b */ + +struct blake2b_tfm_ctx { + u8 key[BLAKE2B_KEY_SIZE]; + unsigned int keylen; +}; + +static inline int crypto_blake2b_setkey(struct crypto_shash *tfm, + const u8 *key, unsigned int keylen) +{ + struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(tfm); + + if (keylen == 0 || keylen > BLAKE2B_KEY_SIZE) + return -EINVAL; + + memcpy(tctx->key, key, keylen); + tctx->keylen = keylen; + + return 0; +} + +static inline int crypto_blake2b_init(struct shash_desc *desc) +{ + const struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm); + struct blake2b_state *state = shash_desc_ctx(desc); + unsigned int outlen = crypto_shash_digestsize(desc->tfm); + + __blake2b_init(state, outlen, tctx->key, tctx->keylen); + return 0; +} + +static inline int crypto_blake2b_update(struct shash_desc *desc, + const u8 *in, unsigned int inlen, + blake2b_compress_t compress) +{ + struct blake2b_state *state = shash_desc_ctx(desc); + + __blake2b_update(state, in, inlen, compress); + return 0; +} + +static inline int crypto_blake2b_final(struct shash_desc *desc, u8 *out, + blake2b_compress_t compress) +{ + struct blake2b_state *state = shash_desc_ctx(desc); + + __blake2b_final(state, out, compress); + return 0; +} + +#endif /* _CRYPTO_INTERNAL_BLAKE2B_H */ From 477000061d3b2fd082ce3d3fcac92438c282959d Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Wed, 23 Dec 2020 00:10:02 -0800 Subject: [PATCH 29/39] BACKPORT: crypto: blake2b - update file comment The file comment for blake2b_generic.c makes it sound like it's the reference implementation of BLAKE2b with only minor changes. But it's actually been changed a lot. Update the comment to make this clearer. Reviewed-by: David Sterba Acked-by: Ard Biesheuvel Signed-off-by: Eric Biggers Signed-off-by: Herbert Xu (cherry picked from commit 0cdc438e6e13436b0190910ef7da49ce4f5a44f4) Conflicts: crypto/blake2b_generic.c (trivial conflict due to upstream commit 9332a9e73918, "crypto: Replace HTTP links with HTTPS ones") Bug: 178411248 Change-Id: I8b58cd0e2892a873866ead52fa4dba3edabdeeb3 Signed-off-by: Eric Biggers --- crypto/blake2b_generic.c | 23 ++++++++++------------- 1 file changed, 10 insertions(+), 13 deletions(-) diff --git a/crypto/blake2b_generic.c b/crypto/blake2b_generic.c index f336fbf9cb28..6704c0355889 100644 --- a/crypto/blake2b_generic.c +++ b/crypto/blake2b_generic.c @@ -1,21 +1,18 @@ // SPDX-License-Identifier: (GPL-2.0-only OR Apache-2.0) /* - * BLAKE2b reference source code package - reference C implementations + * Generic implementation of the BLAKE2b digest algorithm. Based on the BLAKE2b + * reference implementation, but it has been heavily modified for use in the + * kernel. The reference implementation was: * - * Copyright 2012, Samuel Neves . You may use this under the - * terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at - * your option. The terms of these licenses can be found at: + * Copyright 2012, Samuel Neves . You may use this under + * the terms of the CC0, the OpenSSL Licence, or the Apache Public License + * 2.0, at your option. The terms of these licenses can be found at: * - * - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0 - * - OpenSSL license : https://www.openssl.org/source/license.html - * - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0 + * - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0 + * - OpenSSL license : https://www.openssl.org/source/license.html + * - Apache 2.0 : https://www.apache.org/licenses/LICENSE-2.0 * - * More information about the BLAKE2 hash function can be found at - * https://blake2.net. - * - * Note: the original sources have been modified for inclusion in linux kernel - * in terms of coding style, using generic helpers and simplifications of error - * handling. + * More information about BLAKE2 can be found at https://blake2.net. */ #include From 40501f735001b37104719943d62460dd0e440656 Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Wed, 23 Dec 2020 00:10:03 -0800 Subject: [PATCH 30/39] BACKPORT: crypto: arm/blake2b - add NEON-accelerated BLAKE2b Add a NEON-accelerated implementation of BLAKE2b. On Cortex-A7 (which these days is the most common ARM processor that doesn't have the ARMv8 Crypto Extensions), this is over twice as fast as SHA-256, and slightly faster than SHA-1. It is also almost three times as fast as the generic implementation of BLAKE2b: Algorithm Cycles per byte (on 4096-byte messages) =================== ======================================= blake2b-256-neon 14.0 sha1-neon 16.3 blake2s-256-arm 18.8 sha1-asm 20.8 blake2s-256-generic 26.0 sha256-neon 28.9 sha256-asm 32.0 blake2b-256-generic 38.9 This implementation isn't directly based on any other implementation, but it borrows some ideas from previous NEON code I've written as well as from chacha-neon-core.S. At least on Cortex-A7, it is faster than the other NEON implementations of BLAKE2b I'm aware of (the implementation in the BLAKE2 official repository using intrinsics, and Andrew Moon's implementation which can be found in SUPERCOP). It does only one block at a time, so it performs well on short messages too. NEON-accelerated BLAKE2b is useful because there is interest in using BLAKE2b-256 for dm-verity on low-end Android devices (specifically, devices that lack the ARMv8 Crypto Extensions) to replace SHA-1. On these devices, the performance cost of upgrading to SHA-256 may be unacceptable, whereas BLAKE2b-256 would actually improve performance. Although BLAKE2b is intended for 64-bit platforms (unlike BLAKE2s which is intended for 32-bit platforms), on 32-bit ARM processors with NEON, BLAKE2b is actually faster than BLAKE2s. This is because NEON supports 64-bit operations, and because BLAKE2s's block size is too small for NEON to be helpful for it. The best I've been able to do with BLAKE2s on Cortex-A7 is 18.8 cpb with an optimized scalar implementation. (I didn't try BLAKE2sp and BLAKE3, which in theory would be faster, but they're more complex as they require running multiple hashes at once. Note that BLAKE2b already uses all the NEON bandwidth on the Cortex-A7, so I expect that any speedup from BLAKE2sp or BLAKE3 would come only from the smaller number of rounds, not from the extra parallelism.) For now this BLAKE2b implementation is only wired up to the shash API, since there is no library API for BLAKE2b yet. However, I've tried to keep things consistent with BLAKE2s, e.g. by defining blake2b_compress_arch() which is analogous to blake2s_compress_arch() and could be exported for use by the library API later if needed. Acked-by: Ard Biesheuvel Signed-off-by: Eric Biggers Tested-by: Ard Biesheuvel Signed-off-by: Herbert Xu (cherry picked from commit 1862eb007367f9e4cfd52d0406742de337b28ebf) (removed unnecessary return statement in blake2b_neon_mod_exit(), which was breaking the build because in pre-5.6 kernels crypto_unregister_shashes() returned 'int' rather than 'void') Bug: 178411248 Change-Id: I01557f0a63db0eb21778d0cc7b582ad89898d44a Signed-off-by: Eric Biggers --- arch/arm/crypto/Kconfig | 10 + arch/arm/crypto/Makefile | 2 + arch/arm/crypto/blake2b-neon-core.S | 347 ++++++++++++++++++++++++++++ arch/arm/crypto/blake2b-neon-glue.c | 105 +++++++++ 4 files changed, 464 insertions(+) create mode 100644 arch/arm/crypto/blake2b-neon-core.S create mode 100644 arch/arm/crypto/blake2b-neon-glue.c diff --git a/arch/arm/crypto/Kconfig b/arch/arm/crypto/Kconfig index 7e682d1e6317..ef96e62af1f9 100644 --- a/arch/arm/crypto/Kconfig +++ b/arch/arm/crypto/Kconfig @@ -71,6 +71,16 @@ config CRYPTO_BLAKE2S_ARM slower than the NEON implementation of BLAKE2b. (There is no NEON implementation of BLAKE2s, since NEON doesn't really help with it.) +config CRYPTO_BLAKE2B_NEON + tristate "BLAKE2b digest algorithm (ARM NEON)" + depends on KERNEL_MODE_NEON + select CRYPTO_BLAKE2B + help + BLAKE2b digest algorithm optimized with ARM NEON instructions. + On ARM processors that have NEON support but not the ARMv8 + Crypto Extensions, typically this BLAKE2b implementation is + much faster than SHA-2 and slightly faster than SHA-1. + config CRYPTO_AES_ARM tristate "Scalar AES cipher for ARM" select CRYPTO_ALGAPI diff --git a/arch/arm/crypto/Makefile b/arch/arm/crypto/Makefile index ef729f0ab89f..f4de3c82e79a 100644 --- a/arch/arm/crypto/Makefile +++ b/arch/arm/crypto/Makefile @@ -10,6 +10,7 @@ obj-$(CONFIG_CRYPTO_SHA1_ARM_NEON) += sha1-arm-neon.o obj-$(CONFIG_CRYPTO_SHA256_ARM) += sha256-arm.o obj-$(CONFIG_CRYPTO_SHA512_ARM) += sha512-arm.o obj-$(CONFIG_CRYPTO_BLAKE2S_ARM) += blake2s-arm.o +obj-$(CONFIG_CRYPTO_BLAKE2B_NEON) += blake2b-neon.o obj-$(CONFIG_CRYPTO_CHACHA20_NEON) += chacha-neon.o obj-$(CONFIG_CRYPTO_NHPOLY1305_NEON) += nhpoly1305-neon.o @@ -49,6 +50,7 @@ sha256-arm-y := sha256-core.o sha256_glue.o $(sha256-arm-neon-y) sha512-arm-neon-$(CONFIG_KERNEL_MODE_NEON) := sha512-neon-glue.o sha512-arm-y := sha512-core.o sha512-glue.o $(sha512-arm-neon-y) blake2s-arm-y := blake2s-core.o blake2s-glue.o +blake2b-neon-y := blake2b-neon-core.o blake2b-neon-glue.o sha1-arm-ce-y := sha1-ce-core.o sha1-ce-glue.o sha2-arm-ce-y := sha2-ce-core.o sha2-ce-glue.o aes-arm-ce-y := aes-ce-core.o aes-ce-glue.o diff --git a/arch/arm/crypto/blake2b-neon-core.S b/arch/arm/crypto/blake2b-neon-core.S new file mode 100644 index 000000000000..0406a186377f --- /dev/null +++ b/arch/arm/crypto/blake2b-neon-core.S @@ -0,0 +1,347 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * BLAKE2b digest algorithm, NEON accelerated + * + * Copyright 2020 Google LLC + * + * Author: Eric Biggers + */ + +#include + + .text + .fpu neon + + // The arguments to blake2b_compress_neon() + STATE .req r0 + BLOCK .req r1 + NBLOCKS .req r2 + INC .req r3 + + // Pointers to the rotation tables + ROR24_TABLE .req r4 + ROR16_TABLE .req r5 + + // The original stack pointer + ORIG_SP .req r6 + + // NEON registers which contain the message words of the current block. + // M_0-M_3 are occasionally used for other purposes too. + M_0 .req d16 + M_1 .req d17 + M_2 .req d18 + M_3 .req d19 + M_4 .req d20 + M_5 .req d21 + M_6 .req d22 + M_7 .req d23 + M_8 .req d24 + M_9 .req d25 + M_10 .req d26 + M_11 .req d27 + M_12 .req d28 + M_13 .req d29 + M_14 .req d30 + M_15 .req d31 + + .align 4 + // Tables for computing ror64(x, 24) and ror64(x, 16) using the vtbl.8 + // instruction. This is the most efficient way to implement these + // rotation amounts with NEON. (On Cortex-A53 it's the same speed as + // vshr.u64 + vsli.u64, while on Cortex-A7 it's faster.) +.Lror24_table: + .byte 3, 4, 5, 6, 7, 0, 1, 2 +.Lror16_table: + .byte 2, 3, 4, 5, 6, 7, 0, 1 + // The BLAKE2b initialization vector +.Lblake2b_IV: + .quad 0x6a09e667f3bcc908, 0xbb67ae8584caa73b + .quad 0x3c6ef372fe94f82b, 0xa54ff53a5f1d36f1 + .quad 0x510e527fade682d1, 0x9b05688c2b3e6c1f + .quad 0x1f83d9abfb41bd6b, 0x5be0cd19137e2179 + +// Execute one round of BLAKE2b by updating the state matrix v[0..15] in the +// NEON registers q0-q7. The message block is in q8..q15 (M_0-M_15). The stack +// pointer points to a 32-byte aligned buffer containing a copy of q8 and q9 +// (M_0-M_3), so that they can be reloaded if they are used as temporary +// registers. The macro arguments s0-s15 give the order in which the message +// words are used in this round. 'final' is 1 if this is the final round. +.macro _blake2b_round s0, s1, s2, s3, s4, s5, s6, s7, \ + s8, s9, s10, s11, s12, s13, s14, s15, final=0 + + // Mix the columns: + // (v[0], v[4], v[8], v[12]), (v[1], v[5], v[9], v[13]), + // (v[2], v[6], v[10], v[14]), and (v[3], v[7], v[11], v[15]). + + // a += b + m[blake2b_sigma[r][2*i + 0]]; + vadd.u64 q0, q0, q2 + vadd.u64 q1, q1, q3 + vadd.u64 d0, d0, M_\s0 + vadd.u64 d1, d1, M_\s2 + vadd.u64 d2, d2, M_\s4 + vadd.u64 d3, d3, M_\s6 + + // d = ror64(d ^ a, 32); + veor q6, q6, q0 + veor q7, q7, q1 + vrev64.32 q6, q6 + vrev64.32 q7, q7 + + // c += d; + vadd.u64 q4, q4, q6 + vadd.u64 q5, q5, q7 + + // b = ror64(b ^ c, 24); + vld1.8 {M_0}, [ROR24_TABLE, :64] + veor q2, q2, q4 + veor q3, q3, q5 + vtbl.8 d4, {d4}, M_0 + vtbl.8 d5, {d5}, M_0 + vtbl.8 d6, {d6}, M_0 + vtbl.8 d7, {d7}, M_0 + + // a += b + m[blake2b_sigma[r][2*i + 1]]; + // + // M_0 got clobbered above, so we have to reload it if any of the four + // message words this step needs happens to be M_0. Otherwise we don't + // need to reload it here, as it will just get clobbered again below. +.if \s1 == 0 || \s3 == 0 || \s5 == 0 || \s7 == 0 + vld1.8 {M_0}, [sp, :64] +.endif + vadd.u64 q0, q0, q2 + vadd.u64 q1, q1, q3 + vadd.u64 d0, d0, M_\s1 + vadd.u64 d1, d1, M_\s3 + vadd.u64 d2, d2, M_\s5 + vadd.u64 d3, d3, M_\s7 + + // d = ror64(d ^ a, 16); + vld1.8 {M_0}, [ROR16_TABLE, :64] + veor q6, q6, q0 + veor q7, q7, q1 + vtbl.8 d12, {d12}, M_0 + vtbl.8 d13, {d13}, M_0 + vtbl.8 d14, {d14}, M_0 + vtbl.8 d15, {d15}, M_0 + + // c += d; + vadd.u64 q4, q4, q6 + vadd.u64 q5, q5, q7 + + // b = ror64(b ^ c, 63); + // + // This rotation amount isn't a multiple of 8, so it has to be + // implemented using a pair of shifts, which requires temporary + // registers. Use q8-q9 (M_0-M_3) for this, and reload them afterwards. + veor q8, q2, q4 + veor q9, q3, q5 + vshr.u64 q2, q8, #63 + vshr.u64 q3, q9, #63 + vsli.u64 q2, q8, #1 + vsli.u64 q3, q9, #1 + vld1.8 {q8-q9}, [sp, :256] + + // Mix the diagonals: + // (v[0], v[5], v[10], v[15]), (v[1], v[6], v[11], v[12]), + // (v[2], v[7], v[8], v[13]), and (v[3], v[4], v[9], v[14]). + // + // There are two possible ways to do this: use 'vext' instructions to + // shift the rows of the matrix so that the diagonals become columns, + // and undo it afterwards; or just use 64-bit operations on 'd' + // registers instead of 128-bit operations on 'q' registers. We use the + // latter approach, as it performs much better on Cortex-A7. + + // a += b + m[blake2b_sigma[r][2*i + 0]]; + vadd.u64 d0, d0, d5 + vadd.u64 d1, d1, d6 + vadd.u64 d2, d2, d7 + vadd.u64 d3, d3, d4 + vadd.u64 d0, d0, M_\s8 + vadd.u64 d1, d1, M_\s10 + vadd.u64 d2, d2, M_\s12 + vadd.u64 d3, d3, M_\s14 + + // d = ror64(d ^ a, 32); + veor d15, d15, d0 + veor d12, d12, d1 + veor d13, d13, d2 + veor d14, d14, d3 + vrev64.32 d15, d15 + vrev64.32 d12, d12 + vrev64.32 d13, d13 + vrev64.32 d14, d14 + + // c += d; + vadd.u64 d10, d10, d15 + vadd.u64 d11, d11, d12 + vadd.u64 d8, d8, d13 + vadd.u64 d9, d9, d14 + + // b = ror64(b ^ c, 24); + vld1.8 {M_0}, [ROR24_TABLE, :64] + veor d5, d5, d10 + veor d6, d6, d11 + veor d7, d7, d8 + veor d4, d4, d9 + vtbl.8 d5, {d5}, M_0 + vtbl.8 d6, {d6}, M_0 + vtbl.8 d7, {d7}, M_0 + vtbl.8 d4, {d4}, M_0 + + // a += b + m[blake2b_sigma[r][2*i + 1]]; +.if \s9 == 0 || \s11 == 0 || \s13 == 0 || \s15 == 0 + vld1.8 {M_0}, [sp, :64] +.endif + vadd.u64 d0, d0, d5 + vadd.u64 d1, d1, d6 + vadd.u64 d2, d2, d7 + vadd.u64 d3, d3, d4 + vadd.u64 d0, d0, M_\s9 + vadd.u64 d1, d1, M_\s11 + vadd.u64 d2, d2, M_\s13 + vadd.u64 d3, d3, M_\s15 + + // d = ror64(d ^ a, 16); + vld1.8 {M_0}, [ROR16_TABLE, :64] + veor d15, d15, d0 + veor d12, d12, d1 + veor d13, d13, d2 + veor d14, d14, d3 + vtbl.8 d12, {d12}, M_0 + vtbl.8 d13, {d13}, M_0 + vtbl.8 d14, {d14}, M_0 + vtbl.8 d15, {d15}, M_0 + + // c += d; + vadd.u64 d10, d10, d15 + vadd.u64 d11, d11, d12 + vadd.u64 d8, d8, d13 + vadd.u64 d9, d9, d14 + + // b = ror64(b ^ c, 63); + veor d16, d4, d9 + veor d17, d5, d10 + veor d18, d6, d11 + veor d19, d7, d8 + vshr.u64 q2, q8, #63 + vshr.u64 q3, q9, #63 + vsli.u64 q2, q8, #1 + vsli.u64 q3, q9, #1 + // Reloading q8-q9 can be skipped on the final round. +.if ! \final + vld1.8 {q8-q9}, [sp, :256] +.endif +.endm + +// +// void blake2b_compress_neon(struct blake2b_state *state, +// const u8 *block, size_t nblocks, u32 inc); +// +// Only the first three fields of struct blake2b_state are used: +// u64 h[8]; (inout) +// u64 t[2]; (inout) +// u64 f[2]; (in) +// + .align 5 +ENTRY(blake2b_compress_neon) + push {r4-r10} + + // Allocate a 32-byte stack buffer that is 32-byte aligned. + mov ORIG_SP, sp + sub ip, sp, #32 + bic ip, ip, #31 + mov sp, ip + + adr ROR24_TABLE, .Lror24_table + adr ROR16_TABLE, .Lror16_table + + mov ip, STATE + vld1.64 {q0-q1}, [ip]! // Load h[0..3] + vld1.64 {q2-q3}, [ip]! // Load h[4..7] +.Lnext_block: + adr r10, .Lblake2b_IV + vld1.64 {q14-q15}, [ip] // Load t[0..1] and f[0..1] + vld1.64 {q4-q5}, [r10]! // Load IV[0..3] + vmov r7, r8, d28 // Copy t[0] to (r7, r8) + vld1.64 {q6-q7}, [r10] // Load IV[4..7] + adds r7, r7, INC // Increment counter + bcs .Lslow_inc_ctr + vmov.i32 d28[0], r7 + vst1.64 {d28}, [ip] // Update t[0] +.Linc_ctr_done: + + // Load the next message block and finish initializing the state matrix + // 'v'. Fortunately, there are exactly enough NEON registers to fit the + // entire state matrix in q0-q7 and the entire message block in q8-15. + // + // However, _blake2b_round also needs some extra registers for rotates, + // so we have to spill some registers. It's better to spill the message + // registers than the state registers, as the message doesn't change. + // Therefore we store a copy of the first 32 bytes of the message block + // (q8-q9) in an aligned buffer on the stack so that they can be + // reloaded when needed. (We could just reload directly from the + // message buffer, but it's faster to use aligned loads.) + vld1.8 {q8-q9}, [BLOCK]! + veor q6, q6, q14 // v[12..13] = IV[4..5] ^ t[0..1] + vld1.8 {q10-q11}, [BLOCK]! + veor q7, q7, q15 // v[14..15] = IV[6..7] ^ f[0..1] + vld1.8 {q12-q13}, [BLOCK]! + vst1.8 {q8-q9}, [sp, :256] + mov ip, STATE + vld1.8 {q14-q15}, [BLOCK]! + + // Execute the rounds. Each round is provided the order in which it + // needs to use the message words. + _blake2b_round 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 + _blake2b_round 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 + _blake2b_round 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 + _blake2b_round 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 + _blake2b_round 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 + _blake2b_round 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 + _blake2b_round 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 + _blake2b_round 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 + _blake2b_round 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 + _blake2b_round 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0 + _blake2b_round 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 + _blake2b_round 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 \ + final=1 + + // Fold the final state matrix into the hash chaining value: + // + // for (i = 0; i < 8; i++) + // h[i] ^= v[i] ^ v[i + 8]; + // + vld1.64 {q8-q9}, [ip]! // Load old h[0..3] + veor q0, q0, q4 // v[0..1] ^= v[8..9] + veor q1, q1, q5 // v[2..3] ^= v[10..11] + vld1.64 {q10-q11}, [ip] // Load old h[4..7] + veor q2, q2, q6 // v[4..5] ^= v[12..13] + veor q3, q3, q7 // v[6..7] ^= v[14..15] + veor q0, q0, q8 // v[0..1] ^= h[0..1] + veor q1, q1, q9 // v[2..3] ^= h[2..3] + mov ip, STATE + subs NBLOCKS, NBLOCKS, #1 // nblocks-- + vst1.64 {q0-q1}, [ip]! // Store new h[0..3] + veor q2, q2, q10 // v[4..5] ^= h[4..5] + veor q3, q3, q11 // v[6..7] ^= h[6..7] + vst1.64 {q2-q3}, [ip]! // Store new h[4..7] + + // Advance to the next block, if there is one. + bne .Lnext_block // nblocks != 0? + + mov sp, ORIG_SP + pop {r4-r10} + mov pc, lr + +.Lslow_inc_ctr: + // Handle the case where the counter overflowed its low 32 bits, by + // carrying the overflow bit into the full 128-bit counter. + vmov r9, r10, d29 + adcs r8, r8, #0 + adcs r9, r9, #0 + adc r10, r10, #0 + vmov d28, r7, r8 + vmov d29, r9, r10 + vst1.64 {q14}, [ip] // Update t[0] and t[1] + b .Linc_ctr_done +ENDPROC(blake2b_compress_neon) diff --git a/arch/arm/crypto/blake2b-neon-glue.c b/arch/arm/crypto/blake2b-neon-glue.c new file mode 100644 index 000000000000..4b59d027ba4a --- /dev/null +++ b/arch/arm/crypto/blake2b-neon-glue.c @@ -0,0 +1,105 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * BLAKE2b digest algorithm, NEON accelerated + * + * Copyright 2020 Google LLC + */ + +#include +#include +#include + +#include +#include + +#include +#include + +asmlinkage void blake2b_compress_neon(struct blake2b_state *state, + const u8 *block, size_t nblocks, u32 inc); + +static void blake2b_compress_arch(struct blake2b_state *state, + const u8 *block, size_t nblocks, u32 inc) +{ + if (!crypto_simd_usable()) { + blake2b_compress_generic(state, block, nblocks, inc); + return; + } + + do { + const size_t blocks = min_t(size_t, nblocks, + SZ_4K / BLAKE2B_BLOCK_SIZE); + + kernel_neon_begin(); + blake2b_compress_neon(state, block, blocks, inc); + kernel_neon_end(); + + nblocks -= blocks; + block += blocks * BLAKE2B_BLOCK_SIZE; + } while (nblocks); +} + +static int crypto_blake2b_update_neon(struct shash_desc *desc, + const u8 *in, unsigned int inlen) +{ + return crypto_blake2b_update(desc, in, inlen, blake2b_compress_arch); +} + +static int crypto_blake2b_final_neon(struct shash_desc *desc, u8 *out) +{ + return crypto_blake2b_final(desc, out, blake2b_compress_arch); +} + +#define BLAKE2B_ALG(name, driver_name, digest_size) \ + { \ + .base.cra_name = name, \ + .base.cra_driver_name = driver_name, \ + .base.cra_priority = 200, \ + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, \ + .base.cra_blocksize = BLAKE2B_BLOCK_SIZE, \ + .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx), \ + .base.cra_module = THIS_MODULE, \ + .digestsize = digest_size, \ + .setkey = crypto_blake2b_setkey, \ + .init = crypto_blake2b_init, \ + .update = crypto_blake2b_update_neon, \ + .final = crypto_blake2b_final_neon, \ + .descsize = sizeof(struct blake2b_state), \ + } + +static struct shash_alg blake2b_neon_algs[] = { + BLAKE2B_ALG("blake2b-160", "blake2b-160-neon", BLAKE2B_160_HASH_SIZE), + BLAKE2B_ALG("blake2b-256", "blake2b-256-neon", BLAKE2B_256_HASH_SIZE), + BLAKE2B_ALG("blake2b-384", "blake2b-384-neon", BLAKE2B_384_HASH_SIZE), + BLAKE2B_ALG("blake2b-512", "blake2b-512-neon", BLAKE2B_512_HASH_SIZE), +}; + +static int __init blake2b_neon_mod_init(void) +{ + if (!(elf_hwcap & HWCAP_NEON)) + return -ENODEV; + + return crypto_register_shashes(blake2b_neon_algs, + ARRAY_SIZE(blake2b_neon_algs)); +} + +static void __exit blake2b_neon_mod_exit(void) +{ + crypto_unregister_shashes(blake2b_neon_algs, + ARRAY_SIZE(blake2b_neon_algs)); +} + +module_init(blake2b_neon_mod_init); +module_exit(blake2b_neon_mod_exit); + +MODULE_DESCRIPTION("BLAKE2b digest algorithm, NEON accelerated"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Eric Biggers "); +MODULE_ALIAS_CRYPTO("blake2b-160"); +MODULE_ALIAS_CRYPTO("blake2b-160-neon"); +MODULE_ALIAS_CRYPTO("blake2b-256"); +MODULE_ALIAS_CRYPTO("blake2b-256-neon"); +MODULE_ALIAS_CRYPTO("blake2b-384"); +MODULE_ALIAS_CRYPTO("blake2b-384-neon"); +MODULE_ALIAS_CRYPTO("blake2b-512"); +MODULE_ALIAS_CRYPTO("blake2b-512-neon"); From ce6e69838c1a08613c50a3abeb26dc319f295bc8 Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Mon, 25 Jan 2021 12:45:49 -0800 Subject: [PATCH 31/39] ANDROID: gki_defconfig: enable BLAKE2b support Bug: 178411248 Change-Id: Iec497954d29adcf7193da9ca4b27d61eac7615d9 Signed-off-by: Eric Biggers --- arch/arm64/configs/gki_defconfig | 1 + arch/x86/configs/gki_defconfig | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/arm64/configs/gki_defconfig b/arch/arm64/configs/gki_defconfig index 48c5cf94a270..cd9c8da3b259 100644 --- a/arch/arm64/configs/gki_defconfig +++ b/arch/arm64/configs/gki_defconfig @@ -559,6 +559,7 @@ CONFIG_SECURITY_SELINUX=y CONFIG_INIT_STACK_ALL_ZERO=y CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y CONFIG_CRYPTO_ADIANTUM=y +CONFIG_CRYPTO_BLAKE2B=y CONFIG_CRYPTO_LZ4=y CONFIG_CRYPTO_ZSTD=y CONFIG_CRYPTO_ANSI_CPRNG=y diff --git a/arch/x86/configs/gki_defconfig b/arch/x86/configs/gki_defconfig index 2c9a5bdcac60..67a8c6119273 100644 --- a/arch/x86/configs/gki_defconfig +++ b/arch/x86/configs/gki_defconfig @@ -487,6 +487,7 @@ CONFIG_SECURITY_SELINUX=y CONFIG_INIT_STACK_ALL_ZERO=y CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y CONFIG_CRYPTO_ADIANTUM=y +CONFIG_CRYPTO_BLAKE2B=y CONFIG_CRYPTO_SHA256_SSSE3=y CONFIG_CRYPTO_AES_NI_INTEL=y CONFIG_CRYPTO_LZ4=y From 568c0c89d95682735d3c237e0dd6fbeb7ece6192 Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Tue, 9 Mar 2021 23:27:26 -0800 Subject: [PATCH 32/39] UPSTREAM: crypto: arm/blake2s - fix for big endian The new ARM BLAKE2s code doesn't work correctly (fails the self-tests) in big endian kernel builds because it doesn't swap the endianness of the message words when loading them. Fix this. Fixes: 5172d322d34c ("crypto: arm/blake2s - add ARM scalar optimized BLAKE2s") Signed-off-by: Eric Biggers Acked-by: Ard Biesheuvel Signed-off-by: Herbert Xu (cherry picked from commit d2f2516a3882c0c6463e33c9b112b39bd483f821) Bug: 178411248 Change-Id: Iff419963407eeb0435b9550ef126db4bf137a8a1 Signed-off-by: Eric Biggers --- arch/arm/crypto/blake2s-core.S | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm/crypto/blake2s-core.S b/arch/arm/crypto/blake2s-core.S index bed897e9a181..86345751bbf3 100644 --- a/arch/arm/crypto/blake2s-core.S +++ b/arch/arm/crypto/blake2s-core.S @@ -8,6 +8,7 @@ */ #include +#include // Registers used to hold message words temporarily. There aren't // enough ARM registers to hold the whole message block, so we have to @@ -38,6 +39,23 @@ #endif .endm +.macro _le32_bswap a, tmp +#ifdef __ARMEB__ + rev_l \a, \tmp +#endif +.endm + +.macro _le32_bswap_8x a, b, c, d, e, f, g, h, tmp + _le32_bswap \a, \tmp + _le32_bswap \b, \tmp + _le32_bswap \c, \tmp + _le32_bswap \d, \tmp + _le32_bswap \e, \tmp + _le32_bswap \f, \tmp + _le32_bswap \g, \tmp + _le32_bswap \h, \tmp +.endm + // Execute a quarter-round of BLAKE2s by mixing two columns or two diagonals. // (a0, b0, c0, d0) and (a1, b1, c1, d1) give the registers containing the two // columns/diagonals. s0-s1 are the word offsets to the message words the first @@ -180,8 +198,10 @@ ENTRY(blake2s_compress_arch) tst r1, #3 bne .Lcopy_block_misaligned ldmia r1!, {r2-r9} + _le32_bswap_8x r2, r3, r4, r5, r6, r7, r8, r9, r14 stmia r12!, {r2-r9} ldmia r1!, {r2-r9} + _le32_bswap_8x r2, r3, r4, r5, r6, r7, r8, r9, r14 stmia r12, {r2-r9} .Lcopy_block_done: str r1, [sp, #68] // Update message pointer @@ -268,6 +288,7 @@ ENTRY(blake2s_compress_arch) 1: #ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS ldr r3, [r1], #4 + _le32_bswap r3, r4 #else ldrb r3, [r1, #0] ldrb r4, [r1, #1] From 514e31d6a14c79f7e991fe28f6c386d2719df1d8 Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Thu, 23 Apr 2020 15:54:04 -0600 Subject: [PATCH 33/39] BACKPORT: crypto: arch/lib - limit simd usage to 4k chunks The initial Zinc patchset, after some mailing list discussion, contained code to ensure that kernel_fpu_enable would not be kept on for more than a 4k chunk, since it disables preemption. The choice of 4k isn't totally scientific, but it's not a bad guess either, and it's what's used in both the x86 poly1305, blake2s, and nhpoly1305 code already (in the form of PAGE_SIZE, which this commit corrects to be explicitly 4k for the former two). Ard did some back of the envelope calculations and found that at 5 cycles/byte (overestimate) on a 1ghz processor (pretty slow), 4k means we have a maximum preemption disabling of 20us, which Sebastian confirmed was probably a good limit. Unfortunately the chunking appears to have been left out of the final patchset that added the glue code. So, this commit adds it back in. Fixes: 84e03fa39fbe ("crypto: x86/chacha - expose SIMD ChaCha routine as library function") Fixes: b3aad5bad26a ("crypto: arm64/chacha - expose arm64 ChaCha routine as library function") Fixes: a44a3430d71b ("crypto: arm/chacha - expose ARM ChaCha routine as library function") Fixes: d7d7b8535662 ("crypto: x86/poly1305 - wire up faster implementations for kernel") Fixes: f569ca164751 ("crypto: arm64/poly1305 - incorporate OpenSSL/CRYPTOGAMS NEON implementation") Fixes: a6b803b3ddc7 ("crypto: arm/poly1305 - incorporate OpenSSL/CRYPTOGAMS NEON implementation") Fixes: ed0356eda153 ("crypto: blake2s - x86_64 SIMD implementation") Cc: Eric Biggers Cc: Ard Biesheuvel Cc: Sebastian Andrzej Siewior Cc: stable@vger.kernel.org Signed-off-by: Jason A. Donenfeld Reviewed-by: Ard Biesheuvel Signed-off-by: Herbert Xu (cherry picked from commit 706024a52c614b478b63f7728d202532ce6591a9) Bug: 152722841 [adelva: Removed all algos except blake2s] Signed-off-by: Jason A. Donenfeld Signed-off-by: Greg Kroah-Hartman Change-Id: Ief6d06e473929c17c2fcf751e53b9f59ba614158 --- arch/x86/crypto/blake2s-glue.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/arch/x86/crypto/blake2s-glue.c b/arch/x86/crypto/blake2s-glue.c index a8fe73ba5dbc..ae7a546b602f 100644 --- a/arch/x86/crypto/blake2s-glue.c +++ b/arch/x86/crypto/blake2s-glue.c @@ -32,16 +32,16 @@ void blake2s_compress_arch(struct blake2s_state *state, const u32 inc) { /* SIMD disables preemption, so relax after processing each page. */ - BUILD_BUG_ON(PAGE_SIZE / BLAKE2S_BLOCK_SIZE < 8); + BUILD_BUG_ON(SZ_4K / BLAKE2S_BLOCK_SIZE < 8); if (!static_branch_likely(&blake2s_use_ssse3) || !crypto_simd_usable()) { blake2s_compress_generic(state, block, nblocks, inc); return; } - for (;;) { + do { const size_t blocks = min_t(size_t, nblocks, - PAGE_SIZE / BLAKE2S_BLOCK_SIZE); + SZ_4K / BLAKE2S_BLOCK_SIZE); kernel_fpu_begin(); if (IS_ENABLED(CONFIG_AS_AVX512) && @@ -52,10 +52,8 @@ void blake2s_compress_arch(struct blake2s_state *state, kernel_fpu_end(); nblocks -= blocks; - if (!nblocks) - break; block += blocks * BLAKE2S_BLOCK_SIZE; - } + } while (nblocks); } EXPORT_SYMBOL(blake2s_compress_arch); From 47c8de47e12546b5f5e019927a10d8429c6095bf Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Mon, 25 Nov 2019 11:31:12 +0100 Subject: [PATCH 34/39] BACKPORT: crypto: arch - conditionalize crypto api in arch glue for lib code For glue code that's used by Zinc, the actual Crypto API functions might not necessarily exist, and don't need to exist either. Before this patch, there are valid build configurations that lead to a unbuildable kernel. This fixes it to conditionalize those symbols on the existence of the proper config entry. (backport required changing CONFIG_CRYPTO_SKCIPHER to CONFIG_CRYPTO_BLKCIPHER in a few places) Signed-off-by: Jason A. Donenfeld Acked-by: Ard Biesheuvel Signed-off-by: Herbert Xu (cherry picked from commit 8394bfec51e0e565556101bcc4e2fe7551104cd8) Bug: 152722841 [adelva: Removed all algos except blake2s] Signed-off-by: Jason A. Donenfeld Change-Id: Iedddadcd70a85587daadf1a8511b82fbdd574018 Signed-off-by: Greg Kroah-Hartman --- arch/x86/crypto/blake2s-glue.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/x86/crypto/blake2s-glue.c b/arch/x86/crypto/blake2s-glue.c index ae7a546b602f..8162d2ccb4a6 100644 --- a/arch/x86/crypto/blake2s-glue.c +++ b/arch/x86/crypto/blake2s-glue.c @@ -108,12 +108,14 @@ static int __init blake2s_mod_init(void) XFEATURE_MASK_AVX512, NULL)) static_branch_enable(&blake2s_use_avx512); - return crypto_register_shashes(blake2s_algs, ARRAY_SIZE(blake2s_algs)); + return IS_REACHABLE(CONFIG_CRYPTO_HASH) ? + crypto_register_shashes(blake2s_algs, + ARRAY_SIZE(blake2s_algs)) : 0; } static void __exit blake2s_mod_exit(void) { - if (boot_cpu_has(X86_FEATURE_SSSE3)) + if (IS_REACHABLE(CONFIG_CRYPTO_HASH) && boot_cpu_has(X86_FEATURE_SSSE3)) crypto_unregister_shashes(blake2s_algs, ARRAY_SIZE(blake2s_algs)); } From e3f12f42394b17740c8c001b0d97c0208416807d Mon Sep 17 00:00:00 2001 From: liunan1 Date: Thu, 21 Oct 2021 21:38:29 +0800 Subject: [PATCH 35/39] ANDROID: GKI : Update symbols to symbol list Update symbols to symbol list by oem modules Leaf changes summary: 1 artifact changed Changed leaf types summary: 0 leaf type changed Removed/Changed/Added functions summary: 0 Removed, 0 Changed, 1 Added function Removed/Changed/Added variables summary: 0 Removed, 0 Changed, 0 Added variable 1 Added function: [A] 'function u8 sdio_writeb_readb(sdio_func*, u8, unsigned int, int*)' Bug: 203724894 Signed-off-by: liunan1 Change-Id: I09539934e8cb3dcd25cb550c98b0b3dc86ee6789 --- android/abi_gki_aarch64.xml | 3655 +++++++++++++++++---------------- android/abi_gki_aarch64_oplus | 1 + 2 files changed, 1901 insertions(+), 1755 deletions(-) diff --git a/android/abi_gki_aarch64.xml b/android/abi_gki_aarch64.xml index 2d1742397307..d9c149005f72 100644 --- a/android/abi_gki_aarch64.xml +++ b/android/abi_gki_aarch64.xml @@ -3621,6 +3621,7 @@ + @@ -6922,66 +6923,66 @@ - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + @@ -8207,12 +8208,12 @@ - + - + - + @@ -9102,12 +9103,12 @@ - + - + - + @@ -10811,39 +10812,39 @@ - + - + - + - + - + - + - + - + - + - + - + - + @@ -11115,7 +11116,7 @@ - + @@ -11391,7 +11392,7 @@ - + @@ -12058,81 +12059,81 @@ - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + @@ -20218,7 +20219,7 @@ - + @@ -20227,7 +20228,7 @@ - + @@ -20464,7 +20465,7 @@ - + @@ -23356,7 +23357,7 @@ - + @@ -23701,7 +23702,7 @@ - + @@ -23709,7 +23710,7 @@ - + @@ -25580,15 +25581,15 @@ - + - + - + - + @@ -26315,7 +26316,7 @@ - + @@ -26323,7 +26324,7 @@ - + @@ -26358,7 +26359,7 @@ - + @@ -26385,7 +26386,7 @@ - + @@ -27731,12 +27732,12 @@ - + - + - + @@ -28616,7 +28617,7 @@ - + @@ -32017,7 +32018,7 @@ - + @@ -35553,81 +35554,81 @@ - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + @@ -35975,39 +35976,39 @@ - + - + - + - + - + - + - + - + - + - + - + - + @@ -37082,14 +37083,6 @@ - - - - - - - - @@ -37884,6 +37877,14 @@ + + + + + + + + @@ -46725,6 +46726,13 @@ + + + + + + + @@ -46733,13 +46741,6 @@ - - - - - - - @@ -61902,12 +61903,12 @@ - + - + @@ -63852,7 +63853,7 @@ - + @@ -63936,7 +63937,7 @@ - + @@ -106581,6 +106582,13 @@ + + + + + + + @@ -112601,12 +112609,12 @@ - + - + - + @@ -113267,15 +113275,15 @@ - + - + - + - + @@ -113510,12 +113518,12 @@ - + - + - + @@ -113532,12 +113540,12 @@ - + - + - + @@ -116141,10 +116149,10 @@ - + - + @@ -116163,7 +116171,7 @@ - + @@ -116176,7 +116184,7 @@ - + @@ -119317,8 +119325,8 @@ - - + + @@ -119361,70 +119369,70 @@ - - - - + + + + - - + + - - - + + + - - - - + + + + - - - - + + + + - - + + - - - + + + - - + + - - - + + + - - + + - - + + - - + + - - - + + + @@ -134942,23 +134950,6 @@ - - - - - - - - - - - - - - - - - @@ -134996,6 +134987,23 @@ + + + + + + + + + + + + + + + + + @@ -135089,166 +135097,6 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - @@ -135300,184 +135148,7 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - @@ -135615,101 +135286,6 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - @@ -135880,7 +135456,6 @@ - @@ -135891,9 +135466,8 @@ - + - @@ -135914,72 +135488,102 @@ - + - + - + - + + + + - + + + + - + - - - - - - - - - - - - - - - - - - - - - - - + + - + - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + - - - - - - - - - - - - - - - - - - @@ -136030,6 +135634,302 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + @@ -136091,7 +135991,6 @@ - @@ -136142,7 +136041,6 @@ - @@ -139027,7 +138925,7 @@ - + @@ -139038,7 +138936,7 @@ - + @@ -139055,14 +138953,14 @@ - + - + @@ -139496,119 +139394,6 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - @@ -139746,7 +139531,6 @@ - @@ -140696,6 +140480,288 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + @@ -140721,6 +140787,23 @@ + + + + + + + + + + + + + + + + + @@ -140790,6 +140873,68 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + @@ -143278,7 +143423,7 @@ - + @@ -148360,7 +148505,7 @@ - + @@ -150148,14 +150293,14 @@ - - - + + + - - - + + + @@ -150950,44 +151095,44 @@ - + - - - + + + - + - - - - - + + + + + - - - - + + + + - - - + + + - + - - + + @@ -151007,240 +151152,240 @@ - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + @@ -151257,77 +151402,77 @@ - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + @@ -151370,77 +151515,77 @@ - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + @@ -151585,45 +151730,45 @@ - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + @@ -151652,26 +151797,26 @@ - + - + - + - + - + - + - + - + @@ -151693,15 +151838,15 @@ - + - + - + - + @@ -151715,32 +151860,32 @@ - + - + - + - + - + - + - + - + - + - + @@ -151779,30 +151924,30 @@ - + - + - + - + - + - + - + - + - + @@ -152343,66 +152488,66 @@ - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + @@ -155102,329 +155247,329 @@ - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + @@ -155432,44 +155577,44 @@ - + - + - + - + - + - + - + - + - + - + - + - + - + - + @@ -155784,80 +155929,80 @@ - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + @@ -155912,26 +156057,26 @@ - + - + - + - + - + - + - + - + @@ -156090,50 +156235,50 @@ - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + @@ -156319,15 +156464,15 @@ - + - + - + - + @@ -156899,7 +157044,7 @@ - + @@ -162776,7 +162921,7 @@ - + @@ -163267,20 +163412,20 @@ - - - + + + - - - - + + + + - - - + + + @@ -166697,12 +166842,12 @@ - - - - - - + + + + + + @@ -166753,9 +166898,209 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + @@ -166891,7 +167236,18 @@ + + + + + + + + + + + @@ -167080,6 +167436,13 @@ + + + + + + + @@ -167087,6 +167450,10 @@ + + + + @@ -167239,8 +167606,8 @@ - - + + @@ -173355,7 +173722,7 @@ - + @@ -173375,7 +173742,7 @@ - + @@ -173383,12 +173750,12 @@ - + - + @@ -173519,7 +173886,7 @@ - + @@ -175185,75 +175552,75 @@ - - - + + + - - - + + + - - - - + + + + - - - + + + - - - + + + - - + + - - + + - - - - + + + + - - - - - + + + + + - - - + + + - - - + + + - - - - + + + + - - - - - - + + + + + + @@ -177439,12 +177806,12 @@ - + - + @@ -177838,224 +178205,13 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - @@ -178150,17 +178306,6 @@ - - - - - - - - - - - @@ -178906,6 +179051,157 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + @@ -178959,6 +179255,91 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + @@ -178973,24 +179354,6 @@ - - - - - - - - - - - - - - - - - - @@ -179093,29 +179456,6 @@ - - - - - - - - - - - - - - - - - - - - - - - @@ -179386,201 +179726,6 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - @@ -181176,7 +181321,7 @@ - + @@ -183641,7 +183786,7 @@ - + @@ -183761,7 +183906,7 @@ - + diff --git a/android/abi_gki_aarch64_oplus b/android/abi_gki_aarch64_oplus index c2eacbe29161..9eaa5b4c8a7e 100644 --- a/android/abi_gki_aarch64_oplus +++ b/android/abi_gki_aarch64_oplus @@ -51,6 +51,7 @@ regulator_set_voltage remove_proc_entry schedule_timeout + sdio_writeb_readb seq_printf seq_read simple_open From dc8c919ca6165de1aad86dec43f17d6ec5fb46ce Mon Sep 17 00:00:00 2001 From: Nobutaka Matsuo Date: Tue, 26 Oct 2021 15:36:13 +0900 Subject: [PATCH 36/39] ANDROID: GKI: Update FCNT KMI symbol list No new symbols added that are not already in the .xml file. Bug: 204143632 Signed-off-by: Nobutaka Matsuo Change-Id: I7358e77923e6668ad20988ef76dec30db4d051c0 --- android/abi_gki_aarch64_fcnt | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) mode change 100644 => 100755 android/abi_gki_aarch64_fcnt diff --git a/android/abi_gki_aarch64_fcnt b/android/abi_gki_aarch64_fcnt old mode 100644 new mode 100755 index 67e6f4284fb1..b40d78ad06c2 --- a/android/abi_gki_aarch64_fcnt +++ b/android/abi_gki_aarch64_fcnt @@ -4,7 +4,7 @@ sync_blockdev read_cache_page blkdev_put - blkdev_get_by_dev + blkdev_get_by_path # required by pt.ko input_mt_sync_frame @@ -69,3 +69,12 @@ # required by chipone-ts.ko input_mt_sync_frame + +# required by hardware_info.ko + simple_strtoull + +# required by spidev.ko + stream_open + +# required by sdhci-msm.ko + mmc_gpio_set_cd_wake From 59d826468078a51b683e550b9ea9f2a1f2dce870 Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Wed, 27 Oct 2021 09:07:09 -0700 Subject: [PATCH 37/39] ANDROID: f2fs: fix potential deadlock by android ftrace sb_internal#2 --> &s->s_dquot.dqio_sem --> fs_reclaim Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(fs_reclaim); lock(&s->s_dquot.dqio_sem); lock(fs_reclaim); lock(sb_internal#2); *** DEADLOCK *** 3 locks held by kswapd0/133: #0: ffffffda597c93a8 (fs_reclaim){+.+.}-{0:0}, at: __fs_reclaim_acquire+0x4/0x50 #1: ffffffda597bc890 (shrinker_rwsem){++++}-{3:3}, at: shrink_slab+0xa0/0x19c #2: ffffff80d5fb90e0 (&type->s_umount_key#50){.+.+}-{3:3}, at: super_cache_scan+0x40/0x1dc stack backtrace: CPU: 7 PID: 133 Comm: kswapd0 Tainted: G W O 5.10.43-android12-9-g4665ec64f3df #1 Hardware name: MT6879(ENG) (DT) Call trace: dump_backtrace.cfi_jt+0x0/0x8 show_stack+0x1c/0x2c dump_stack_lvl+0xd8/0x16c print_circular_bug+0x2d4/0x2d8 check_noncircular+0x190/0x1a4 validate_chain+0xc54/0x2d34 __lock_acquire+0x7e4/0xed4 lock_acquire+0x114/0x394 f2fs_evict_inode+0x1a0/0x8b8 evict+0xd4/0x2f8 iput+0x1c0/0x258 dentry_unlink_inode+0x16c/0x1dc __dentry_kill+0x128/0x280 shrink_dentry_list+0x6c/0x420 prune_dcache_sb+0x5c/0x90 super_cache_scan+0x13c/0x1dc do_shrink_slab+0x1e0/0x388 shrink_slab+0xf4/0x19c shrink_node_memcgs+0x80/0x25c shrink_node+0x324/0x710 balance_pgdat+0x3a8/0x6a8 kswapd+0x484/0x594 kthread+0x15c/0x1ac ret_from_fork+0x10/0x30 Bug: 201025620 Signed-off-by: Jaegeuk Kim Change-Id: Idaa303eb7c681a56ad5d4e1f6dddbda71f7fece4 --- fs/f2fs/data.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index a305081e6370..ea04d67d75aa 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -3350,7 +3350,13 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping, block_t blkaddr = NULL_ADDR; int err = 0; - if (trace_android_fs_datawrite_start_enabled()) { + /* + * Should avoid quota operations which can make deadlock: + * kswapd -> f2fs_evict_inode -> dquot_drop -> + * f2fs_dquot_commit -> f2fs_write_begin -> + * d_obtain_alias -> __d_alloc -> kmem_cache_alloc(GFP_KERNEL) + */ + if (trace_android_fs_datawrite_start_enabled() && !IS_NOQUOTA(inode)) { char *path, pathbuf[MAX_TRACE_PATHBUF_LEN]; path = android_fstrace_get_pathname(pathbuf, From 55cb12f0f8516120d3bd08ffafdba4a93cde4894 Mon Sep 17 00:00:00 2001 From: Lee Jones Date: Fri, 22 Oct 2021 19:07:29 +0100 Subject: [PATCH 38/39] ANDROID: Incremental fs: Fix dentry get/put imbalance on vfs_mkdir() failure Syz{bot,kaller} reports[0]: BUG: Dentry ffff888119d8a000{i=0,n=.index} still in use (1) [unmount of ramfs ramfs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 367 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 fs/dcache.c:1607 Modules linked in: CPU: 0 PID: 367 Comm: syz-executor388 Not tainted 5.10.75-syzkaller-01082-g234d53d2bb60 #0 Hardware name: Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x18d/0x1d0 fs/dcache.c:1607 Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 00 40 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 ae d9 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff RSP: 0018:ffffc9000096f770 EFLAGS: 00010292 RAX: 0000000000000055 RBX: ffffffff866af200 RCX: 1ad6b89836e5b500 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc9000096f7a0 R08: ffffffff81545368 R09: 0000000000000003 R10: fffff5200012de41 R11: 0000000000000004 R12: ffff888119d8a000 R13: dffffc0000000000 R14: ffff88811d7373f8 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f01b7bddb68 CR3: 000000010c4f0000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x309/0x540 fs/dcache.c:1326 do_one_tree fs/dcache.c:1623 [inline] shrink_dcache_for_umount+0x8e/0x1b0 fs/dcache.c:1639 generic_shutdown_super+0x66/0x2c0 fs/super.c:447 kill_anon_super fs/super.c:1108 [inline] kill_litter_super+0x75/0xa0 fs/super.c:1117 ramfs_kill_sb+0x44/0x50 fs/ramfs/inode.c:270 deactivate_locked_super+0xb0/0x100 fs/super.c:335 deactivate_super+0xa5/0xd0 fs/super.c:366 cleanup_mnt+0x45f/0x510 fs/namespace.c:1118 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125 task_work_run+0x147/0x1b0 kernel/task_work.c:154 exit_task_work include/linux/task_work.h:30 [inline] do_exit+0x70e/0x23a0 kernel/exit.c:813 do_group_exit+0x16a/0x2d0 kernel/exit.c:910 get_signal+0x133e/0x1f80 kernel/signal.c:2790 arch_do_signal+0x8d/0x620 arch/x86/kernel/signal.c:805 exit_to_user_mode_loop kernel/entry/common.c:161 [inline] exit_to_user_mode_prepare+0xaa/0xe0 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x24/0x40 kernel/entry/common.c:266 do_syscall_64+0x3d/0x70 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f01b7b884f9 Code: Unable to access opcode bytes at RIP 0x7f01b7b884cf. RSP: 002b:00007f01b7b19308 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f01b7c103f8 RCX: 00007f Which was due to a missing dput() before returning from a vfs_mkdir() failure. Bug: 203827798 Link: [0] https://syzkaller.appspot.com/bug?extid=81b5ca9b2848f4dad8fa Reported-by: syzbot+81b5ca9b2848f4dad8fa@syzkaller.appspotmail.com Signed-off-by: Lee Jones Change-Id: Iaef9aa0aecc964645aaca5fe8d79388ae28527bd --- fs/incfs/vfs.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/incfs/vfs.c b/fs/incfs/vfs.c index d7a750290953..b972716f0c25 100644 --- a/fs/incfs/vfs.c +++ b/fs/incfs/vfs.c @@ -777,8 +777,10 @@ static struct dentry *open_or_create_index_dir(struct dentry *backing_dir) err = vfs_mkdir(backing_inode, index_dentry, 0777); inode_unlock(backing_inode); - if (err) + if (err) { + dput(index_dentry); return ERR_PTR(err); + } if (!d_really_is_positive(index_dentry)) { dput(index_dentry); From 051373292befa1ae003649404789adb3951270b9 Mon Sep 17 00:00:00 2001 From: evitayan Date: Mon, 20 Jul 2020 10:40:39 -0700 Subject: [PATCH 39/39] ANDROID: GKI: Enable CHACHA20POLY1305 and XCBC To be able to use ChaCha20Poly1305 and AES-XCBC in IPsec Bug: 161717358 Bug: 204402327 Change-Id: Ifeeb3d1f3458d46491ba6cd363656bf4737b5cd3 Signed-off-by: Yan Yan Signed-off-by: evitayan Signed-off-by: Greg Kroah-Hartman (cherry picked from commit 2d7ae7b614213b28b6cd6230104e1f5f723e81df) --- arch/arm64/configs/gki_defconfig | 2 ++ arch/x86/configs/gki_defconfig | 2 ++ 2 files changed, 4 insertions(+) diff --git a/arch/arm64/configs/gki_defconfig b/arch/arm64/configs/gki_defconfig index cd9c8da3b259..1ed0c750f483 100644 --- a/arch/arm64/configs/gki_defconfig +++ b/arch/arm64/configs/gki_defconfig @@ -558,7 +558,9 @@ CONFIG_STATIC_USERMODEHELPER_PATH="" CONFIG_SECURITY_SELINUX=y CONFIG_INIT_STACK_ALL_ZERO=y CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y +CONFIG_CRYPTO_CHACHA20POLY1305=y CONFIG_CRYPTO_ADIANTUM=y +CONFIG_CRYPTO_XCBC=y CONFIG_CRYPTO_BLAKE2B=y CONFIG_CRYPTO_LZ4=y CONFIG_CRYPTO_ZSTD=y diff --git a/arch/x86/configs/gki_defconfig b/arch/x86/configs/gki_defconfig index 67a8c6119273..ab3db4763b6e 100644 --- a/arch/x86/configs/gki_defconfig +++ b/arch/x86/configs/gki_defconfig @@ -486,7 +486,9 @@ CONFIG_STATIC_USERMODEHELPER_PATH="" CONFIG_SECURITY_SELINUX=y CONFIG_INIT_STACK_ALL_ZERO=y CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y +CONFIG_CRYPTO_CHACHA20POLY1305=y CONFIG_CRYPTO_ADIANTUM=y +CONFIG_CRYPTO_XCBC=y CONFIG_CRYPTO_BLAKE2B=y CONFIG_CRYPTO_SHA256_SSSE3=y CONFIG_CRYPTO_AES_NI_INTEL=y