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crypto: x86/glue_helper - fix storing of new IV in CBC encryption

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Glue_helper incorrectly XORs new IV over old IV at end of CBC encryption
function when it should store. This causes CBC encryption to give
incorrect output on multi-page encryption requests.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jussi Kivilinna 2012-09-19 09:40:30 +03:00 committed by Herbert Xu
parent 200429cc63
commit c9f97a27ce
1 changed files with 1 additions and 1 deletions
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arch/x86/crypto/glue_helper.c
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@ -110,7 +110,7 @@ static unsigned int __glue_cbc_encrypt_128bit(const common_glue_func_t fn,
nbytes -= bsize; nbytes -= bsize;
} while (nbytes >= bsize); } while (nbytes >= bsize);
u128_xor((u128 *)walk->iv, (u128 *)walk->iv, iv); *(u128 *)walk->iv = *iv;
return nbytes; return nbytes;
} }