Commit 838c9d56 authored by Herbert Xu's avatar Herbert Xu
Browse files

crypto: echainiv - Copy AD along with plain text 



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

Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 6350449f

crypto/echainiv.c

+2 −8
Original line number Diff line number Diff line
@@ -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;

	}