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path: root/deps/openssl/openssl/crypto/evp/e_aes_cbc_hmac_sha1.c
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Diffstat (limited to 'deps/openssl/openssl/crypto/evp/e_aes_cbc_hmac_sha1.c')
-rw-r--r--deps/openssl/openssl/crypto/evp/e_aes_cbc_hmac_sha1.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/deps/openssl/openssl/crypto/evp/e_aes_cbc_hmac_sha1.c b/deps/openssl/openssl/crypto/evp/e_aes_cbc_hmac_sha1.c
index f30f722e40..09d24dc3d0 100644
--- a/deps/openssl/openssl/crypto/evp/e_aes_cbc_hmac_sha1.c
+++ b/deps/openssl/openssl/crypto/evp/e_aes_cbc_hmac_sha1.c
@@ -570,7 +570,7 @@ static int aesni_cbc_hmac_sha1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
}
# endif
-# if 1
+# if 1 /* see original reference version in #else */
len -= SHA_DIGEST_LENGTH; /* amend mac */
if (len >= (256 + SHA_CBLOCK)) {
j = (len - (256 + SHA_CBLOCK)) & (0 - SHA_CBLOCK);
@@ -664,7 +664,7 @@ static int aesni_cbc_hmac_sha1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
}
# endif
len += SHA_DIGEST_LENGTH;
-# else
+# else /* pre-lucky-13 reference version of above */
SHA1_Update(&key->md, out, inp_len);
res = key->md.num;
SHA1_Final(pmac->c, &key->md);
@@ -691,7 +691,7 @@ static int aesni_cbc_hmac_sha1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
/* verify HMAC */
out += inp_len;
len -= inp_len;
-# if 1
+# if 1 /* see original reference version in #else */
{
unsigned char *p = out + len - 1 - maxpad - SHA_DIGEST_LENGTH;
size_t off = out - p;
@@ -713,7 +713,7 @@ static int aesni_cbc_hmac_sha1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
res = 0 - ((0 - res) >> (sizeof(res) * 8 - 1));
ret &= (int)~res;
}
-# else
+# else /* pre-lucky-13 reference version of above */
for (res = 0, i = 0; i < SHA_DIGEST_LENGTH; i++)
res |= out[i] ^ pmac->c[i];
res = 0 - ((0 - res) >> (sizeof(res) * 8 - 1));