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| author | Mathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com> | 2016-09-21 20:29:42 -0400 |
|---|---|---|
| committer | Mathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com> | 2016-09-21 20:29:42 -0400 |
| commit | 62f0afa2ecead02b1258dabab8097ca278a22f8f (patch) | |
| tree | 56132d617fff7c4f05e67024ec872d88fcafa92d /Cryptlib/OpenSSL/crypto/evp/e_aes_cbc_hmac_sha1.c | |
| parent | d3819813b8e0a64400ddf3ce033bae7c3f245508 (diff) | |
| download | efi-boot-shim-62f0afa2ecead02b1258dabab8097ca278a22f8f.tar.gz efi-boot-shim-62f0afa2ecead02b1258dabab8097ca278a22f8f.zip | |
Import upstream version 0.9+1474479173.6c180c6
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/evp/e_aes_cbc_hmac_sha1.c')
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/evp/e_aes_cbc_hmac_sha1.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Cryptlib/OpenSSL/crypto/evp/e_aes_cbc_hmac_sha1.c b/Cryptlib/OpenSSL/crypto/evp/e_aes_cbc_hmac_sha1.c index 8330964e..6dfd590a 100644 --- a/Cryptlib/OpenSSL/crypto/evp/e_aes_cbc_hmac_sha1.c +++ b/Cryptlib/OpenSSL/crypto/evp/e_aes_cbc_hmac_sha1.c @@ -60,6 +60,7 @@ # include <openssl/sha.h> # include <openssl/rand.h> # include "modes_lcl.h" +# include "constant_time_locl.h" # ifndef EVP_CIPH_FLAG_AEAD_CIPHER # define EVP_CIPH_FLAG_AEAD_CIPHER 0x200000 @@ -578,6 +579,8 @@ static int aesni_cbc_hmac_sha1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, 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; |