bncsutil key hashing

gistfile1.txt

size_t CDKeyDecoder::calculateHash(uint32_t clientToken,
    uint32_t serverToken)
{
    struct CDKEYHASH kh;
    SHA1Context sha;
    
    if (!initialized || !keyOK) return 0;
    hashLen = 0;
    
    kh.clientToken = clientToken;
    kh.serverToken = serverToken;
    
    switch (keyType) {
        case KEY_STARCRAFT:
        case KEY_WARCRAFT2:
			kh.product = (uint32_t) LSB4(product);
			kh.value1 = (uint32_t) LSB4(value1);

            kh.value2.s.zero = 0;
            kh.value2.s.v = (uint32_t) LSB4(value2);
            
            keyHash = new char[20];
            calcHashBuf((char*) &kh, 24, keyHash);
            hashLen = 20;

#if DEBUG
			bncsutil_debug_message_a("%s: Hash calculated.", cdkey);
			bncsutil_debug_dump(keyHash, 20);
#endif

            return 20;
        case KEY_WARCRAFT3:
			kh.product = (uint32_t) MSB4(product);
			kh.value1 = (uint32_t) MSB4(value1);
            memcpy(kh.value2.l.v, w3value2, 10);

            if (SHA1Reset(&sha))
                return 0;
            if (SHA1Input(&sha, (const unsigned char*) &kh, 26))
                return 0;
            keyHash = new char[20];
            if (SHA1Result(&sha, (unsigned char*) keyHash)) {
                SHA1Reset(&sha);
                return 0;
            }
            SHA1Reset(&sha);
            hashLen = 20;
			
#if DEBUG
			bncsutil_debug_message_a("%s: Hash calculated.", cdkey);
			bncsutil_debug_dump(keyHash, 20);
#endif

            return 20;
        default:
            return 0;
    }
}