Commit 2a6bc713 authored Jan 16, 2020 by Gilad Ben-Yossef Committed by Herbert Xu Jan 22, 2020

crypto: ccree - fix AEAD decrypt auth fail



On AEAD decryption authentication failure we are suppose to
zero out the output plaintext buffer. However, we've missed
skipping the optional associated data that may prefix the
ciphertext. This commit fixes this issue.

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Fixes: e88b27c8 ("crypto: ccree - use std api sg_zero_buffer")
Cc: stable@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

parent 684cf266

drivers/crypto/ccree/cc_aead.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -237,7 +237,7 @@ static void cc_aead_complete(struct device dev, void cc_req, int err)
		* revealed the decrypted message --> zero its memory.
		*/
		sg_zero_buffer(areq->dst, sg_nents(areq->dst),
		areq->cryptlen, 0);
		areq->cryptlen, areq->assoclen);
		err = -EBADMSG;
		}
		/ENCRYPT/

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