diff -up openssl-1.0.1e/crypto/evp/e_aes_cbc_hmac_sha1.c.padding-check openssl-1.0.1e/crypto/evp/e_aes_cbc_hmac_sha1.c
--- openssl-1.0.1e/crypto/evp/e_aes_cbc_hmac_sha1.c.padding-check 2016-04-29 12:42:43.000000000 +0200
+++ openssl-1.0.1e/crypto/evp/e_aes_cbc_hmac_sha1.c 2016-04-29 13:10:13.441125487 +0200
@@ -59,6 +59,7 @@
#include <openssl/aes.h>
#include <openssl/sha.h>
#include "evp_locl.h"
+#include "constant_time_locl.h"
#ifndef EVP_CIPH_FLAG_AEAD_CIPHER
#define EVP_CIPH_FLAG_AEAD_CIPHER 0x200000
@@ -278,6 +279,8 @@ static int aesni_cbc_hmac_sha1_cipher(EV
maxpad |= (255-maxpad)>>(sizeof(maxpad)*8-8);
maxpad &= 255;
+ ret &= constant_time_ge(maxpad, pad);
+
inp_len = len - (SHA_DIGEST_LENGTH+pad+1);
mask = (0-((inp_len-len)>>(sizeof(inp_len)*8-1)));
inp_len &= mask;