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authorHerbert Xu <herbert@gondor.apana.org.au>2008-05-06 14:01:24 +0800
committerGreg Kroah-Hartman <gregkh@suse.de>2008-05-09 21:40:52 -0700
commitd020055f5217be264e0bac9cd09ffc04233b9682 (patch)
tree26ac9e539badd03a893fcd44db75573abe0c41d2
parent054640e012028f0c10d7e7ed7a601016c9251ca5 (diff)
CRYPTO: eseqiv: Fix off-by-one encryption
[CRYPTO] eseqiv: Fix off-by-one encryption [ Upstream commit: 46f8153cc59384eb09a426d044668d4801f818ce ] After attaching the IV to the head during encryption, eseqiv does not increase the encryption length by that amount. As such the last block of the actual plain text will be left unencrypted. Fortunately the only user of this code hifn currently crashes so this shouldn't affect anyone :) Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--crypto/eseqiv.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/eseqiv.c b/crypto/eseqiv.c
index b14f14e314b6..881d30910434 100644
--- a/crypto/eseqiv.c
+++ b/crypto/eseqiv.c
@@ -136,7 +136,8 @@ static int eseqiv_givencrypt(struct skcipher_givcrypt_request *req)
}
ablkcipher_request_set_crypt(subreq, reqctx->src, dst,
- req->creq.nbytes, req->creq.info);
+ req->creq.nbytes + ivsize,
+ req->creq.info);
memcpy(req->creq.info, ctx->salt, ivsize);