renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-15 08:44:14 +08:00
Code

crypto: echainiv - Copy AD along with plain text

Browse Source 
As the AD does not necessarily exist in the destination buffer
it must be copied along with the plain text.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2015-05-27 14:37:31 +08:00
parent 6350449fbf
commit 838c9d561a
1 changed files with 2 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
crypto/echainiv.c
View File

@ -228,19 +228,13 @@ static int echainiv_encrypt(struct aead_request *req)
info = req->iv;
if (req->src != req->dst) {
struct scatterlist src[2];
struct scatterlist dst[2];
struct blkcipher_desc desc = {
.tfm = ctx->null,
};
err = crypto_blkcipher_encrypt(
&desc,
scatterwalk_ffwd(dst, req->dst,
req->assoclen + ivsize),
scatterwalk_ffwd(src, req->src,
req->assoclen + ivsize),
req->cryptlen - ivsize);
&desc, req->dst, req->src,
req->assoclen + req->cryptlen);
if (err)
return err;
}