diff options
Diffstat (limited to 'drivers/crypto/qce/skcipher.c')
| -rw-r--r-- | drivers/crypto/qce/skcipher.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/crypto/qce/skcipher.c b/drivers/crypto/qce/skcipher.c index 6b3dc3a9797c..c2f0469ffb22 100644 --- a/drivers/crypto/qce/skcipher.c +++ b/drivers/crypto/qce/skcipher.c @@ -254,6 +254,7 @@ static int qce_skcipher_crypt(struct skcipher_request *req, int encrypt) struct qce_cipher_ctx *ctx = crypto_skcipher_ctx(tfm); struct qce_cipher_reqctx *rctx = skcipher_request_ctx(req); struct qce_alg_template *tmpl = to_cipher_tmpl(tfm); + unsigned int blocksize = crypto_skcipher_blocksize(tfm); int keylen; int ret; @@ -265,6 +266,14 @@ static int qce_skcipher_crypt(struct skcipher_request *req, int encrypt) if (!req->cryptlen) return 0; + /* + * ECB and CBC algorithms require message lengths to be + * multiples of block size. + */ + if (IS_ECB(rctx->flags) || IS_CBC(rctx->flags)) + if (!IS_ALIGNED(req->cryptlen, blocksize)) + return -EINVAL; + /* qce is hanging when AES-XTS request len > QCE_SECTOR_SIZE and * is not a multiple of it; pass such requests to the fallback */ |