*
*/
-#include <stdint.h>
-
#include "ssl_locl.h"
#include <openssl/md5.h>
l2n(sha1->h3, md_out);
l2n(sha1->h4, md_out);
}
+#define LARGEST_DIGEST_CTX SHA_CTX
+#ifndef OPENSSL_NO_SHA256
static void tls1_sha256_final_raw(void* ctx, unsigned char *md_out)
{
SHA256_CTX *sha256 = ctx;
l2n(sha256->h[i], md_out);
}
}
+#undef LARGEST_DIGEST_CTX
+#define LARGEST_DIGEST_CTX SHA256_CTX
+#endif
+#ifndef OPENSSL_NO_SHA512
static void tls1_sha512_final_raw(void* ctx, unsigned char *md_out)
{
SHA512_CTX *sha512 = ctx;
l2n8(sha512->h[i], md_out);
}
}
+#undef LARGEST_DIGEST_CTX
+#define LARGEST_DIGEST_CTX SHA512_CTX
+#endif
/* ssl3_cbc_record_digest_supported returns 1 iff |ctx| uses a hash function
* which ssl3_cbc_digest_record supports. */
if (FIPS_mode())
return 0;
#endif
- switch (ctx->digest->type)
+ switch (EVP_MD_CTX_type(ctx))
{
case NID_md5:
case NID_sha1:
+#ifndef OPENSSL_NO_SHA256
case NID_sha224:
case NID_sha256:
+#endif
+#ifndef OPENSSL_NO_SHA512
case NID_sha384:
case NID_sha512:
+#endif
return 1;
default:
return 0;
unsigned mac_secret_length,
char is_sslv3)
{
- unsigned char md_state[sizeof(SHA512_CTX)];
+ union { double align;
+ unsigned char c[sizeof(LARGEST_DIGEST_CTX)]; } md_state;
void (*md_final_raw)(void *ctx, unsigned char *md_out);
void (*md_transform)(void *ctx, const unsigned char *block);
unsigned md_size, md_block_size = 64;
unsigned sslv3_pad_length = 40, header_length, variance_blocks,
len, max_mac_bytes, num_blocks,
num_starting_blocks, k, mac_end_offset, c, index_a, index_b;
- uint64_t bits;
+ unsigned int bits; /* at most 18 bits */
unsigned char length_bytes[MAX_HASH_BIT_COUNT_BYTES];
/* hmac_pad is the masked HMAC key. */
unsigned char hmac_pad[MAX_HASH_BLOCK_SIZE];
* many possible overflows later in this function. */
OPENSSL_assert(data_plus_mac_plus_padding_size < 1024*1024);
- switch (ctx->digest->type)
+ switch (EVP_MD_CTX_type(ctx))
{
case NID_md5:
- MD5_Init((MD5_CTX*)md_state);
+ MD5_Init((MD5_CTX*)md_state.c);
md_final_raw = tls1_md5_final_raw;
md_transform = (void(*)(void *ctx, const unsigned char *block)) MD5_Transform;
md_size = 16;
sslv3_pad_length = 48;
break;
case NID_sha1:
- SHA1_Init((SHA_CTX*)md_state);
+ SHA1_Init((SHA_CTX*)md_state.c);
md_final_raw = tls1_sha1_final_raw;
md_transform = (void(*)(void *ctx, const unsigned char *block)) SHA1_Transform;
md_size = 20;
break;
+#ifndef OPENSSL_NO_SHA256
case NID_sha224:
- SHA224_Init((SHA256_CTX*)md_state);
+ SHA224_Init((SHA256_CTX*)md_state.c);
md_final_raw = tls1_sha256_final_raw;
md_transform = (void(*)(void *ctx, const unsigned char *block)) SHA256_Transform;
md_size = 224/8;
break;
case NID_sha256:
- SHA256_Init((SHA256_CTX*)md_state);
+ SHA256_Init((SHA256_CTX*)md_state.c);
md_final_raw = tls1_sha256_final_raw;
md_transform = (void(*)(void *ctx, const unsigned char *block)) SHA256_Transform;
md_size = 32;
break;
+#endif
+#ifndef OPENSSL_NO_SHA512
case NID_sha384:
- SHA384_Init((SHA512_CTX*)md_state);
+ SHA384_Init((SHA512_CTX*)md_state.c);
md_final_raw = tls1_sha512_final_raw;
md_transform = (void(*)(void *ctx, const unsigned char *block)) SHA512_Transform;
md_size = 384/8;
md_length_size = 16;
break;
case NID_sha512:
- SHA512_Init((SHA512_CTX*)md_state);
+ SHA512_Init((SHA512_CTX*)md_state.c);
md_final_raw = tls1_sha512_final_raw;
md_transform = (void(*)(void *ctx, const unsigned char *block)) SHA512_Transform;
md_size = 64;
md_block_size = 128;
md_length_size = 16;
break;
+#endif
default:
/* ssl3_cbc_record_digest_supported should have been
* called first to check that the hash function is
for (i = 0; i < md_block_size; i++)
hmac_pad[i] ^= 0x36;
- md_transform(md_state, hmac_pad);
+ md_transform(md_state.c, hmac_pad);
}
- j = 0;
- if (md_length_size == 16)
- {
- memset(length_bytes, 0, 8);
- j = 8;
- }
- for (i = 0; i < 8; i++)
- length_bytes[i+j] = bits >> (8*(7-i));
+ memset(length_bytes,0,md_length_size-4);
+ length_bytes[md_length_size-4] = (unsigned char)(bits>>24);
+ length_bytes[md_length_size-3] = (unsigned char)(bits>>16);
+ length_bytes[md_length_size-2] = (unsigned char)(bits>>8);
+ length_bytes[md_length_size-1] = (unsigned char)bits;
if (k > 0)
{
* block that the header consumes: either 7 bytes
* (SHA1) or 11 bytes (MD5). */
unsigned overhang = header_length-md_block_size;
- md_transform(md_state, header);
+ md_transform(md_state.c, header);
memcpy(first_block, header + md_block_size, overhang);
memcpy(first_block + overhang, data, md_block_size-overhang);
- md_transform(md_state, first_block);
+ md_transform(md_state.c, first_block);
for (i = 1; i < k/md_block_size - 1; i++)
- md_transform(md_state, data + md_block_size*i - overhang);
+ md_transform(md_state.c, data + md_block_size*i - overhang);
}
else
{
/* k is a multiple of md_block_size. */
memcpy(first_block, header, 13);
memcpy(first_block+13, data, md_block_size-13);
- md_transform(md_state, first_block);
+ md_transform(md_state.c, first_block);
for (i = 1; i < k/md_block_size; i++)
- md_transform(md_state, data + md_block_size*i - 13);
+ md_transform(md_state.c, data + md_block_size*i - 13);
}
}
block[j] = b;
}
- md_transform(md_state, block);
- md_final_raw(md_state, block);
+ md_transform(md_state.c, block);
+ md_final_raw(md_state.c, block);
/* If this is index_b, copy the hash value to |mac_out|. */
for (j = 0; j < md_size; j++)
mac_out[j] |= block[j]&is_block_b;
projects / openssl.git / blobdiff