diff options
| -rw-r--r-- | arch/arm64/crypto/aes-glue.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/arm64/crypto/aes-glue.c b/arch/arm64/crypto/aes-glue.c index 26d2b0263ba6..1e676625ef33 100644 --- a/arch/arm64/crypto/aes-glue.c +++ b/arch/arm64/crypto/aes-glue.c @@ -243,8 +243,11 @@ static int cts_cbc_encrypt(struct skcipher_request *req) skcipher_request_set_tfm(&rctx->subreq, tfm); - if (req->cryptlen == AES_BLOCK_SIZE) + if (req->cryptlen <= AES_BLOCK_SIZE) { + if (req->cryptlen < AES_BLOCK_SIZE) + return -EINVAL; cbc_blocks = 1; + } if (cbc_blocks > 0) { unsigned int blocks; @@ -305,8 +308,11 @@ static int cts_cbc_decrypt(struct skcipher_request *req) skcipher_request_set_tfm(&rctx->subreq, tfm); - if (req->cryptlen == AES_BLOCK_SIZE) + if (req->cryptlen <= AES_BLOCK_SIZE) { + if (req->cryptlen < AES_BLOCK_SIZE) + return -EINVAL; cbc_blocks = 1; + } if (cbc_blocks > 0) { unsigned int blocks; @@ -486,14 +492,13 @@ static struct skcipher_alg aes_algs[] = { { .cra_driver_name = "__cts-cbc-aes-" MODE, .cra_priority = PRIO, .cra_flags = CRYPTO_ALG_INTERNAL, - .cra_blocksize = 1, + .cra_blocksize = AES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct crypto_aes_ctx), .cra_module = THIS_MODULE, }, .min_keysize = AES_MIN_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE, .ivsize = AES_BLOCK_SIZE, - .chunksize = AES_BLOCK_SIZE, .walksize = 2 * AES_BLOCK_SIZE, .setkey = skcipher_aes_setkey, .encrypt = cts_cbc_encrypt, |