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34 lines
1.3 KiB
Diff
34 lines
1.3 KiB
Diff
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Eric Biggers <ebiggers@google.com>
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Date: Fri, 23 Oct 2020 15:27:48 -0700
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Subject: [PATCH] crypto: x86/poly1305 - add back a needed assignment
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commit c3a98c3ad5c0dc60a1ac66bf91147a3f39cac96b upstream.
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One of the assignments that was removed by commit 4a0c1de64bf9 ("crypto:
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x86/poly1305 - Remove assignments with no effect") is actually needed,
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since it affects the return value.
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This fixes the following crypto self-test failure:
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alg: shash: poly1305-simd test failed (wrong result) on test vector 2, cfg="init+update+final aligned buffer"
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Fixes: 4a0c1de64bf9 ("crypto: x86/poly1305 - Remove assignments with no effect")
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Signed-off-by: Eric Biggers <ebiggers@google.com>
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Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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---
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arch/x86/crypto/poly1305_glue.c | 1 +
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1 file changed, 1 insertion(+)
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--- a/arch/x86/crypto/poly1305_glue.c
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+++ b/arch/x86/crypto/poly1305_glue.c
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@@ -157,6 +157,7 @@ static unsigned int crypto_poly1305_setd
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dctx->s[1] = get_unaligned_le32(&inp[4]);
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dctx->s[2] = get_unaligned_le32(&inp[8]);
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dctx->s[3] = get_unaligned_le32(&inp[12]);
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+ acc += POLY1305_BLOCK_SIZE;
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dctx->sset = true;
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}
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}
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