summaryrefslogtreecommitdiffstats
path: root/crypto/evp/e_aes_cbc_hmac_sha256.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/evp/e_aes_cbc_hmac_sha256.c')
-rw-r--r--crypto/evp/e_aes_cbc_hmac_sha256.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/crypto/evp/e_aes_cbc_hmac_sha256.c b/crypto/evp/e_aes_cbc_hmac_sha256.c
index bef603a3a5..daae825ee1 100644
--- a/crypto/evp/e_aes_cbc_hmac_sha256.c
+++ b/crypto/evp/e_aes_cbc_hmac_sha256.c
@@ -788,6 +788,8 @@ static int aesni_cbc_hmac_sha256_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg,
key->payload_length = len;
if ((key->aux.tls_ver =
p[arg - 4] << 8 | p[arg - 3]) >= TLS1_1_VERSION) {
+ if (len < AES_BLOCK_SIZE)
+ return 0;
len -= AES_BLOCK_SIZE;
p[arg - 2] = len >> 8;
p[arg - 1] = len;