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authorJussi Kivilinna <jussi.kivilinna@mbnet.fi>2012-09-19 10:40:30 +0400
committerHerbert Xu <herbert@gondor.apana.org.au>2012-10-04 13:45:29 +0400
commitc9f97a27ceee84998999bf3341e6d5d207b05539 (patch)
tree55a29137b48b80115bb94308e532dbf81f72c6a8
parent200429cc63399e99dd2abcdca5088559a911ef2b (diff)
downloadlinux-c9f97a27ceee84998999bf3341e6d5d207b05539.tar.xz
crypto: x86/glue_helper - fix storing of new IV in CBC encryption
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>
-rw-r--r--arch/x86/crypto/glue_helper.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/crypto/glue_helper.c b/arch/x86/crypto/glue_helper.c
index 4854f0f31e4f..30b3927bd733 100644
--- a/arch/x86/crypto/glue_helper.c
+++ b/arch/x86/crypto/glue_helper.c
@@ -110,7 +110,7 @@ static unsigned int __glue_cbc_encrypt_128bit(const common_glue_func_t fn,
nbytes -= bsize;
} while (nbytes >= bsize);
- u128_xor((u128 *)walk->iv, (u128 *)walk->iv, iv);
+ *(u128 *)walk->iv = *iv;
return nbytes;
}