summaryrefslogtreecommitdiffstats
path: root/crypto/evp
diff options
context:
space:
mode:
authorMatt Caswell <matt@openssl.org>2017-07-17 16:55:32 +0100
committerMatt Caswell <matt@openssl.org>2017-07-19 13:33:11 +0100
commit42aebbd557c9deb5746ef9e69241d2de8913fdd5 (patch)
tree0b65ecfccd4089651d1764bd6ebe0c6d00be8bd6 /crypto/evp
parent6db7d0153abdaaf73afa518f6bb643e4f423a3a8 (diff)
Remove some dead code
The intention of the removed code was to check if the previous operation carried. However this does not work. The "mask" value always ends up being a constant and is all ones - thus it has no effect. This check is no longer required because of the previous commit. Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/3832) (cherry picked from commit d5475e319575a45b20f560bdfae56cbfb165cb01)
Diffstat (limited to 'crypto/evp')
-rw-r--r--crypto/evp/e_aes_cbc_hmac_sha1.c3
-rw-r--r--crypto/evp/e_aes_cbc_hmac_sha256.c3
2 files changed, 0 insertions, 6 deletions
diff --git a/crypto/evp/e_aes_cbc_hmac_sha1.c b/crypto/evp/e_aes_cbc_hmac_sha1.c
index fe76dedaa8..f30f722e40 100644
--- a/crypto/evp/e_aes_cbc_hmac_sha1.c
+++ b/crypto/evp/e_aes_cbc_hmac_sha1.c
@@ -539,9 +539,6 @@ static int aesni_cbc_hmac_sha1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
pad = constant_time_select(mask, pad, maxpad);
inp_len = len - (SHA_DIGEST_LENGTH + pad + 1);
- mask = (0 - ((inp_len - len) >> (sizeof(inp_len) * 8 - 1)));
- inp_len &= mask;
- ret &= (int)mask;
key->aux.tls_aad[plen - 2] = inp_len >> 8;
key->aux.tls_aad[plen - 1] = inp_len;
diff --git a/crypto/evp/e_aes_cbc_hmac_sha256.c b/crypto/evp/e_aes_cbc_hmac_sha256.c
index ce527178ad..652ace4a4f 100644
--- a/crypto/evp/e_aes_cbc_hmac_sha256.c
+++ b/crypto/evp/e_aes_cbc_hmac_sha256.c
@@ -549,9 +549,6 @@ static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx,
pad = constant_time_select(mask, pad, maxpad);
inp_len = len - (SHA256_DIGEST_LENGTH + pad + 1);
- mask = (0 - ((inp_len - len) >> (sizeof(inp_len) * 8 - 1)));
- inp_len &= mask;
- ret &= (int)mask;
key->aux.tls_aad[plen - 2] = inp_len >> 8;
key->aux.tls_aad[plen - 1] = inp_len;