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[CRYPTO] s390-aes: Use correct encrypt/decrypt function in fallback

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crypto_blkcipher_decrypt is wrong because it does not care about
the IV.

Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Sebastian Siewior 2007-12-10 15:49:41 +08:00 committed by Herbert Xu
parent fdc520aa69
commit 2d74d405fc
1 changed files with 2 additions and 8 deletions
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10
arch/s390/crypto/aes_s390.c
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@ -234,13 +234,10 @@ static int fallback_blk_dec(struct blkcipher_desc *desc,
struct crypto_blkcipher *tfm;
struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
memcpy(crypto_blkcipher_crt(sctx->fallback.blk)->iv, desc->info,
AES_BLOCK_SIZE);
tfm = desc->tfm;
desc->tfm = sctx->fallback.blk;
ret = crypto_blkcipher_decrypt(desc, dst, src, nbytes);
ret = crypto_blkcipher_decrypt_iv(desc, dst, src, nbytes);
desc->tfm = tfm;
return ret;
@ -254,13 +251,10 @@ static int fallback_blk_enc(struct blkcipher_desc *desc,
struct crypto_blkcipher *tfm;
struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
memcpy(crypto_blkcipher_crt(sctx->fallback.blk)->iv, desc->info,
AES_BLOCK_SIZE);
tfm = desc->tfm;
desc->tfm = sctx->fallback.blk;
ret = crypto_blkcipher_encrypt(desc, dst, src, nbytes);
ret = crypto_blkcipher_encrypt_iv(desc, dst, src, nbytes);
desc->tfm = tfm;
return ret;