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refine HMAC sha256 digest algorithm. 0.9.193

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pull/133/head
winlin 11 years ago
parent 156a9ed2a3
commit 12ad95a5b8
3 changed files with 77 additions and 29 deletions
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2
trunk/src/core/srs_core.hpp
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@ -31,7 +31,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// current release version
#define VERSION_MAJOR "0"
#define VERSION_MINOR "9"
#define VERSION_REVISION "192"
#define VERSION_REVISION "193"
#define RTMP_SIG_SRS_VERSION VERSION_MAJOR"."VERSION_MINOR"."VERSION_REVISION
// server info.
#define RTMP_SIG_SRS_KEY "SRS"

13
trunk/src/kernel/srs_kernel_error.hpp
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@ -123,13 +123,12 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#define ERROR_OpenSslParseP1024 2029
#define ERROR_OpenSslSetG 2030
#define ERROR_OpenSslGenerateDHKeys 2031
#define ERROR_OpenSslShareKeyComputed 2032
#define ERROR_OpenSslGetSharedKeySize 2033
#define ERROR_OpenSslGetPeerPublicKey 2034
#define ERROR_OpenSslComputeSharedKey 2035
#define ERROR_OpenSslInvalidDHState 2036
#define ERROR_OpenSslCopyKey 2037
#define ERROR_OpenSslSha256DigestSize 2038
#define ERROR_OpenSslCopyKey 2032
#define ERROR_OpenSslSha256Update 2033
#define ERROR_OpenSslSha256Init 2034
#define ERROR_OpenSslSha256Final 2035
#define ERROR_OpenSslSha256EvpDigest 2036
#define ERROR_OpenSslSha256DigestSize 2037
//
// system control message,
// not an error, but special control logic.

91
trunk/src/rtmp/srs_protocol_handshake.cpp
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@ -70,24 +70,72 @@ namespace _srs_internal
0x93, 0xB8, 0xE6, 0x36, 0xCF, 0xEB, 0x31, 0xAE
}; // 62
int openssl_HMACsha256(const void* data, int data_size, const void* key, int key_size, void* digest)
int __openssl_HMACsha256(HMAC_CTX* ctx, const void* data, int data_size, const void* key, int key_size, void* digest, unsigned int* digest_size)
{
HMAC_CTX ctx;
int ret = ERROR_SUCCESS;
HMAC_CTX_init(&ctx);
HMAC_Init_ex(&ctx, (unsigned char*) key, key_size, EVP_sha256(), NULL);
HMAC_Update(&ctx, (unsigned char *) data, data_size);
if (HMAC_Update(ctx, (unsigned char *) data, data_size) < 0) {
ret = ERROR_OpenSslSha256Update;
return ret;
}
unsigned int digest_size;
HMAC_Final(&ctx, (unsigned char *) digest, &digest_size);
if (HMAC_Final(ctx, (unsigned char *) digest, digest_size) < 0) {
ret = ERROR_OpenSslSha256Final;
return ret;
}
HMAC_CTX_cleanup(&ctx);
return ret;
}
/**
* sha256 digest algorithm.
* @param key the sha256 key, NULL to use EVP_Digest, for instance,
* hashlib.sha256(data).digest().
*/
int openssl_HMACsha256(const void* key, int key_size, const void* data, int data_size, void* digest)
{
int ret = ERROR_SUCCESS;
unsigned int digest_size = 0;
unsigned char* __key = (unsigned char*)key;
unsigned char* __digest = (unsigned char*)digest;
if (key == NULL) {
// use data to digest.
// @see ./crypto/sha/sha256t.c
// @see ./crypto/evp/digest.c
if (EVP_Digest(data, data_size, __key, &digest_size, EVP_sha256(), NULL) < 0)
{
ret = ERROR_OpenSslSha256EvpDigest;
return ret;
}
} else {
// use key-data to digest.
HMAC_CTX ctx;
// @remark, if no key, use EVP_Digest to digest,
// for instance, in python, hashlib.sha256(data).digest().
HMAC_CTX_init(&ctx);
if (HMAC_Init_ex(&ctx, __key, key_size, EVP_sha256(), NULL) < 0) {
ret = ERROR_OpenSslSha256Init;
return ret;
}
ret = __openssl_HMACsha256(&ctx, data, data_size, __key, key_size, __digest, &digest_size);
HMAC_CTX_cleanup(&ctx);
if (ret != ERROR_SUCCESS) {
return ret;
}
}
if (digest_size != 32) {
return ERROR_OpenSslSha256DigestSize;
ret = ERROR_OpenSslSha256DigestSize;
return ret;
}
return ERROR_SUCCESS;
return ret;
}
#define RFC2409_PRIME_1024 \
@ -97,7 +145,8 @@ namespace _srs_internal
"E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
"EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381" \
"FFFFFFFFFFFFFFFF"
int __openssl_initialize_dh(DH* pdh, int32_t bits_count){
int __openssl_initialize_dh(DH* pdh, int32_t bits_count)
{
int ret = ERROR_SUCCESS;
//2. Create his internal p and g
@ -543,14 +592,14 @@ namespace _srs_internal
int ret = ERROR_SUCCESS;
char temp_key[__SRS_OpensslHashSize];
if ((ret = openssl_HMACsha256(s1->get_digest(), 32, SrsGenuineFPKey, 62, temp_key)) != ERROR_SUCCESS) {
if ((ret = openssl_HMACsha256(SrsGenuineFPKey, 62, s1->get_digest(), 32, temp_key)) != ERROR_SUCCESS) {
srs_error("create c2 temp key failed. ret=%d", ret);
return ret;
}
srs_verbose("generate c2 temp key success.");
char _digest[__SRS_OpensslHashSize];
if ((ret = openssl_HMACsha256(random, 1504, temp_key, 32, _digest)) != ERROR_SUCCESS) {
if ((ret = openssl_HMACsha256(temp_key, 32, random, 1504, _digest)) != ERROR_SUCCESS) {
srs_error("create c2 digest failed. ret=%d", ret);
return ret;
}
@ -567,14 +616,14 @@ namespace _srs_internal
int ret = ERROR_SUCCESS;
char temp_key[__SRS_OpensslHashSize];
if ((ret = openssl_HMACsha256(s1->get_digest(), 32, SrsGenuineFPKey, 62, temp_key)) != ERROR_SUCCESS) {
if ((ret = openssl_HMACsha256(SrsGenuineFPKey, 62, s1->get_digest(), 32, temp_key)) != ERROR_SUCCESS) {
srs_error("create c2 temp key failed. ret=%d", ret);
return ret;
}
srs_verbose("generate c2 temp key success.");
char _digest[__SRS_OpensslHashSize];
if ((ret = openssl_HMACsha256(random, 1504, temp_key, 32, _digest)) != ERROR_SUCCESS) {
if ((ret = openssl_HMACsha256(temp_key, 32, random, 1504, _digest)) != ERROR_SUCCESS) {
srs_error("create c2 digest failed. ret=%d", ret);
return ret;
}
@ -590,14 +639,14 @@ namespace _srs_internal
int ret = ERROR_SUCCESS;
char temp_key[__SRS_OpensslHashSize];
if ((ret = openssl_HMACsha256(c1->get_digest(), 32, SrsGenuineFMSKey, 68, temp_key)) != ERROR_SUCCESS) {
if ((ret = openssl_HMACsha256(SrsGenuineFMSKey, 68, c1->get_digest(), 32, temp_key)) != ERROR_SUCCESS) {
srs_error("create s2 temp key failed. ret=%d", ret);
return ret;
}
srs_verbose("generate s2 temp key success.");
char _digest[__SRS_OpensslHashSize];
if ((ret = openssl_HMACsha256(random, 1504, temp_key, 32, _digest)) != ERROR_SUCCESS) {
if ((ret = openssl_HMACsha256(temp_key, 32, random, 1504, _digest)) != ERROR_SUCCESS) {
srs_error("create s2 digest failed. ret=%d", ret);
return ret;
}
@ -614,14 +663,14 @@ namespace _srs_internal
int ret = ERROR_SUCCESS;
char temp_key[__SRS_OpensslHashSize];
if ((ret = openssl_HMACsha256(c1->get_digest(), 32, SrsGenuineFMSKey, 68, temp_key)) != ERROR_SUCCESS) {
if ((ret = openssl_HMACsha256(SrsGenuineFMSKey, 68, c1->get_digest(), 32, temp_key)) != ERROR_SUCCESS) {
srs_error("create s2 temp key failed. ret=%d", ret);
return ret;
}
srs_verbose("generate s2 temp key success.");
char _digest[__SRS_OpensslHashSize];
if ((ret = openssl_HMACsha256(random, 1504, temp_key, 32, _digest)) != ERROR_SUCCESS) {
if ((ret = openssl_HMACsha256(temp_key, 32, random, 1504, _digest)) != ERROR_SUCCESS) {
srs_error("create s2 digest failed. ret=%d", ret);
return ret;
}
@ -883,7 +932,7 @@ namespace _srs_internal
SrsAutoFree(char, c1s1_joined_bytes);
digest = new char[__SRS_OpensslHashSize];
if ((ret = openssl_HMACsha256(c1s1_joined_bytes, 1536 - 32, SrsGenuineFMSKey, 36, digest)) != ERROR_SUCCESS) {
if ((ret = openssl_HMACsha256(SrsGenuineFMSKey, 36, c1s1_joined_bytes, 1536 - 32, digest)) != ERROR_SUCCESS) {
srs_error("calc digest for s1 failed. ret=%d", ret);
return ret;
}
@ -910,7 +959,7 @@ namespace _srs_internal
SrsAutoFree(char, c1s1_joined_bytes);
digest = new char[__SRS_OpensslHashSize];
if ((ret = openssl_HMACsha256(c1s1_joined_bytes, 1536 - 32, SrsGenuineFPKey, 30, digest)) != ERROR_SUCCESS) {
if ((ret = openssl_HMACsha256(SrsGenuineFPKey, 30, c1s1_joined_bytes, 1536 - 32, digest)) != ERROR_SUCCESS) {
srs_error("calc digest for c1 failed. ret=%d", ret);
return ret;
}

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