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Fix errors while adding SHA2 support to HMAC

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This commit is contained in:
Moataz Elmasry
2017-01-23 02:03:37 +01:00
parent 29234b7f9a
commit 071004477f
2 changed files with 43 additions and 37 deletions
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74
src/Mayaqua/Encrypt.c
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@ -398,13 +398,19 @@ void HMacSha2_512(void *dst, void *key, UINT key_size, void *data, UINT data_siz
void HMacSha(UINT sha_type, void *dst, void *key, UINT key_size, void *data, UINT data_size)
{
UINT hmac_block_size;
void* sha_ctx1;
switch(sha_type) {
case SHA1_160:
sha_ctx1 = ZeroMalloc(sizeof(SHA_CTX));
hmac_block_size = HMAC_BLOCK_SIZE;
break;
case SHA2_256:
sha_ctx1 = ZeroMalloc(sizeof(SHA256_CTX));
hmac_block_size = HMAC_BLOCK_SIZE;
break;
case SHA2_384:
case SHA2_512:
sha_ctx1 = ZeroMalloc(sizeof(SHA512_CTX));
hmac_block_size = HMAC_BLOCK_SIZE_1024;
break;
default:
@ -414,7 +420,7 @@ void HMacSha(UINT sha_type, void *dst, void *key, UINT key_size, void *data, UIN
UCHAR k[hmac_block_size];
UCHAR hash1[hmac_block_size];
UCHAR data2[hmac_block_size];
SHA_CTX sha_ctx1;
//SHA_CTX sha_ctx1;
UCHAR pad1[hmac_block_size];
UINT i;
// Validate arguments
@ -449,28 +455,28 @@ void HMacSha(UINT sha_type, void *dst, void *key, UINT key_size, void *data, UIN
switch(sha_type) {
case SHA1_160:
SHA1_Init(&sha_ctx1);
SHA1_Update(&sha_ctx1, pad1, sizeof(pad1));
SHA1_Update(&sha_ctx1, data, data_size);
SHA1_Final(hash1, &sha_ctx1);
SHA1_Init((SHA_CTX *)sha_ctx1);
SHA1_Update((SHA_CTX *)sha_ctx1, pad1, sizeof(pad1));
SHA1_Update((SHA_CTX *)sha_ctx1, data, data_size);
SHA1_Final(hash1, (SHA_CTX *)sha_ctx1);
break;
case SHA2_256:
SHA256_Init(&sha_ctx1);
SHA256_Update(&sha_ctx1, pad1, sizeof(pad1));
SHA256_Update(&sha_ctx1, data, data_size);
SHA256_Final(hash1, &sha_ctx1);
SHA256_Init((SHA256_CTX *)sha_ctx1);
SHA256_Update((SHA256_CTX *)sha_ctx1, pad1, sizeof(pad1));
SHA256_Update((SHA256_CTX *)sha_ctx1, data, data_size);
SHA256_Final(hash1, (SHA256_CTX *)sha_ctx1);
break;
case SHA2_384:
SHA384_Init(&sha_ctx1);
SHA384_Update(&sha_ctx1, pad1, sizeof(pad1));
SHA384_Update(&sha_ctx1, data, data_size);
SHA384_Final(hash1, &sha_ctx1);
SHA384_Init((SHA512_CTX *)sha_ctx1);
SHA384_Update((SHA512_CTX *)sha_ctx1, pad1, sizeof(pad1));
SHA384_Update((SHA512_CTX *)sha_ctx1, data, data_size);
SHA384_Final(hash1, (SHA512_CTX *)sha_ctx1);
break;
case SHA2_512:
SHA512_Init(&sha_ctx1);
SHA512_Update(&sha_ctx1, pad1, sizeof(pad1));
SHA512_Update(&sha_ctx1, data, data_size);
SHA512_Final(hash1, &sha_ctx1);
SHA512_Init((SHA512_CTX *)sha_ctx1);
SHA512_Update((SHA512_CTX *)sha_ctx1, pad1, sizeof(pad1));
SHA512_Update((SHA512_CTX *)sha_ctx1, data, data_size);
SHA512_Final(hash1, (SHA512_CTX *)sha_ctx1);
break;
}
@ -497,32 +503,32 @@ void HMacSha(UINT sha_type, void *dst, void *key, UINT key_size, void *data, UIN
switch(sha_type) {
case SHA1_160:
SHA1_Init(&sha_ctx1);
SHA1_Update(&sha_ctx1, data2, hmac_block_size);
SHA1_Update(&sha_ctx1, hash1, SHA1_SIZE);
SHA1_Final(dst, &sha_ctx1);
SHA1_Init((SHA_CTX *)sha_ctx1);
SHA1_Update((SHA_CTX *)sha_ctx1, data2, hmac_block_size);
SHA1_Update((SHA_CTX *)sha_ctx1, hash1, SHA1_SIZE);
SHA1_Final(dst, (SHA_CTX *)sha_ctx1);
break;
case SHA2_256:
SHA256_Init(&sha_ctx1);
SHA256_Update(&sha_ctx1, data2, hmac_block_size);
SHA256_Update(&sha_ctx1, hash1, SHA256_SIZE);
SHA256_Final(dst, &sha_ctx1);
SHA256_Init((SHA256_CTX *)sha_ctx1);
SHA256_Update((SHA256_CTX *)sha_ctx1, data2, hmac_block_size);
SHA256_Update((SHA256_CTX *)sha_ctx1, hash1, SHA256_SIZE);
SHA256_Final(dst, (SHA256_CTX *)sha_ctx1);
break;
case SHA2_384:
SHA384_Init(&sha_ctx1);
SHA384_Update(&sha_ctx1, data2, hmac_block_size);
SHA384_Update(&sha_ctx1, hash1, SHA384_SIZE);
SHA384_Final(dst, &sha_ctx1);
SHA384_Init((SHA512_CTX *)sha_ctx1);
SHA384_Update((SHA512_CTX *)sha_ctx1, data2, hmac_block_size);
SHA384_Update((SHA512_CTX *)sha_ctx1, hash1, SHA384_SIZE);
SHA384_Final(dst, (SHA512_CTX *)sha_ctx1);
break;
case SHA2_512:
SHA384_Init(&sha_ctx1);
SHA384_Update(&sha_ctx1, data2, hmac_block_size);
SHA1_Update(&sha_ctx1, hash1, SHA512_SIZE);
SHA384_Final(dst, &sha_ctx1);
SHA512_Init((SHA512_CTX *)sha_ctx1);
SHA512_Update((SHA512_CTX *)sha_ctx1, data2, hmac_block_size);
SHA512_Update((SHA512_CTX *)sha_ctx1, hash1, SHA512_SIZE);
SHA512_Final(dst, (SHA512_CTX *)sha_ctx1);
break;
}
Free(sha_ctx1);
}