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UPSTREAM: crypto: x86/poly1305 - unify Poly1305 state struct with generic code

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In preparation of exposing a Poly1305 library interface directly from
the accelerated x86 driver, align the state descriptor of the x86 code
with the one used by the generic driver. This is needed to make the
library interface unified between all implementations.

Signed-off-by: Ard Biesheuvel <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
(cherry picked from commit ad8f5b88383ea685f2b8df2a12ee3e08089a1287)
Bug: 152722841
Signed-off-by: Jason A. Donenfeld <[email protected]>
Change-Id: I235100cceaa2b45f8c4a394a23fffec13482a0c5
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Ard Biesheuvel 2019-11-08 13:22:20 +01:00 • committed by Alexander Martinz
commit 26781dba9f
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GPG key ID: CF15BDD9A321A9B2
4 changed files with 43 additions and 73 deletions
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6
crypto/poly1305_generic.c
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@ -25,7 +25,7 @@ int crypto_poly1305_init(struct shash_desc *desc)
poly1305_core_init(&dctx->h);
dctx->buflen = 0;
dctx->rset = false;
dctx->rset = 0;
dctx->sset = false;
return 0;
@ -43,7 +43,7 @@ static void poly1305_blocks(struct poly1305_desc_ctx *dctx, const u8 *src,
srclen = datalen;
}
poly1305_core_blocks(&dctx->h, &dctx->r, src,
poly1305_core_blocks(&dctx->h, dctx->r, src,
srclen / POLY1305_BLOCK_SIZE, 1);
}
@ -95,7 +95,7 @@ int crypto_poly1305_final(struct shash_desc *desc, u8 *dst)
dctx->buf[dctx->buflen++] = 1;
memset(dctx->buf + dctx->buflen, 0,
POLY1305_BLOCK_SIZE - dctx->buflen);
poly1305_core_blocks(&dctx->h, &dctx->r, dctx->buf, 1, 0);
poly1305_core_blocks(&dctx->h, dctx->r, dctx->buf, 1, 0);
}
poly1305_core_emit(&dctx->h, digest);