diff options
Diffstat (limited to 'crypto/evp/e_rc4_hmac_md5.c')
| -rw-r--r-- | crypto/evp/e_rc4_hmac_md5.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/crypto/evp/e_rc4_hmac_md5.c b/crypto/evp/e_rc4_hmac_md5.c index 5e92855dfdc0..93cfe3f1074f 100644 --- a/crypto/evp/e_rc4_hmac_md5.c +++ b/crypto/evp/e_rc4_hmac_md5.c @@ -269,6 +269,8 @@ static int rc4_hmac_md5_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, len = p[arg - 2] << 8 | p[arg - 1]; if (!ctx->encrypt) { + if (len < MD5_DIGEST_LENGTH) + return -1; len -= MD5_DIGEST_LENGTH; p[arg - 2] = len >> 8; p[arg - 1] = len; |