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UPSTREAM: crypto: chacha_generic - remove unnecessary setkey() functions

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Use chacha20_setkey() and chacha12_setkey() from
<crypto/internal/chacha.h> instead of defining them again in
chacha_generic.c.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
(cherry picked from commit 2043323a799a660bc84bbee404cf7a2617ec6157)
Bug: 152722841
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Change-Id: Ie5c5db728039507dc0387ade30cae4ddff116324
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Eric Biggers 2019-11-17 23:21:29 -08:00 • committed by Alexander Martinz
commit b07a43d5ec
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1 changed files with 3 additions and 15 deletions
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18
crypto/chacha_generic.c
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@ -37,18 +37,6 @@ static int chacha_stream_xor(struct skcipher_request *req,
return err;
}
static int crypto_chacha20_setkey(struct crypto_skcipher *tfm, const u8 *key,
unsigned int keysize)
{
return chacha_setkey(tfm, key, keysize, 20);
}
static int crypto_chacha12_setkey(struct crypto_skcipher *tfm, const u8 *key,
unsigned int keysize)
{
return chacha_setkey(tfm, key, keysize, 12);
}
static int crypto_chacha_crypt(struct skcipher_request *req)
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
@ -91,7 +79,7 @@ static struct skcipher_alg algs[] = {
.max_keysize = CHACHA_KEY_SIZE,
.ivsize = CHACHA_IV_SIZE,
.chunksize = CHACHA_BLOCK_SIZE,
.setkey = crypto_chacha20_setkey,
.setkey = chacha20_setkey,
.encrypt = crypto_chacha_crypt,
.decrypt = crypto_chacha_crypt,
}, {
@ -106,7 +94,7 @@ static struct skcipher_alg algs[] = {
.max_keysize = CHACHA_KEY_SIZE,
.ivsize = XCHACHA_IV_SIZE,
.chunksize = CHACHA_BLOCK_SIZE,
.setkey = crypto_chacha20_setkey,
.setkey = chacha20_setkey,
.encrypt = crypto_xchacha_crypt,
.decrypt = crypto_xchacha_crypt,
}, {
@ -121,7 +109,7 @@ static struct skcipher_alg algs[] = {
.max_keysize = CHACHA_KEY_SIZE,
.ivsize = XCHACHA_IV_SIZE,
.chunksize = CHACHA_BLOCK_SIZE,
.setkey = crypto_chacha12_setkey,
.setkey = chacha12_setkey,
.encrypt = crypto_xchacha_crypt,
.decrypt = crypto_xchacha_crypt,
}