int rtmp_handshake_s1(uint8_t* s1, uint32_t timestamp)
{
be_write_uint32(s1, timestamp);
be_write_uint32(s1 + 4, 0);
rtmp_handshake_random(s1 + 8, timestamp);
return RTMP_HANDSHAKE_SIZE;
}
int rtmp_handshake_s1(uint8_t* s1, uint32_t timestamp)
{
be_write_uint32(s1, timestamp);
#if defined(_FLASH_HANDSHAKE_)
memcpy(s1 + 4, rtmp_server_version, 4);
rtmp_handshake_random(s1 + 8, timestamp);
rtmp_handshake_create_challenge(s1, rtmp_server_key, 36);
#else
be_write_uint32(s1 + 4, 0);
rtmp_handshake_random(s1 + 8, timestamp);
#endif
return RTMP_HANDSHAKE_SIZE;
}
int rtmp_handshake_c1(uint8_t* c1, uint32_t timestamp)
{
be_write_uint32(c1, timestamp);
#if defined(_FLASH_HANDSHAKE_)
memcpy(c1 + 4, rtmp_client_version, 4);
rtmp_handshake_random(c1 + 8, timestamp);
rtmp_handshake_create_challenge(c1, rtmp_client_key, 30);
#else
be_write_uint32(c1 + 4, 0);
rtmp_handshake_random(c1 + 8, timestamp);
#endif
return RTMP_HANDSHAKE_SIZE;
}
int rtmp_handshake_s2(uint8_t* s2, uint32_t timestamp, const uint8_t* c1, size_t bytes)
{
assert(RTMP_HANDSHAKE_SIZE == bytes);
memmove(s2, c1, bytes);
be_write_uint32(s2 + 4, timestamp);
return bytes;
}
int rtmp_handshake_s2(uint8_t* s2, uint32_t timestamp, const uint8_t* c1, size_t bytes)
{
#if defined(_FLASH_HANDSHAKE_)
uint8_t digest[SHA256_DIGEST_LENGTH];
assert(RTMP_HANDSHAKE_SIZE == bytes);
if (1 == rtmp_handshake_parse_challenge(c1, rtmp_client_key, 30, digest))
{
rtmp_handshake_make_digest(rtmp_server_key, sizeof(rtmp_server_key), digest, SHA256_DIGEST_LENGTH, NULL, digest);
rtmp_handshake_random(s2, timestamp);
rtmp_handshake_create_response(s2, digest, SHA256_DIGEST_LENGTH);
}
else
{
memmove(s2, c1, bytes);
be_write_uint32(s2 + 4, timestamp);
}
#else
assert(RTMP_HANDSHAKE_SIZE == bytes);
memmove(s2, c1, bytes);
be_write_uint32(s2 + 4, timestamp);
#endif
return bytes;
}
