/**
* Double-hashes the given password using the given
* server and client tokens.
*
* outBuffer MUST be at least 20 bytes long.
*/
MEXP(void) doubleHashPassword(const char* password, uint32_t clientToken,
uint32_t serverToken, char* outBuffer) {
char intermediate[28];
uint32_t* lp;
calcHashBuf(password, std::strlen(password), intermediate + 8);
lp = (uint32_t*) &intermediate;
lp[0] = clientToken;
lp[1] = serverToken;
calcHashBuf(intermediate, 28, outBuffer);
#if DEBUG
bncsutil_debug_message_a("doubleHashPassword(\"%s\", 0x%08X, 0x%08X) =",
password, clientToken, serverToken);
bncsutil_debug_dump(outBuffer, 20);
#endif
}
/**
* Single-hashes the password for account creation and password changes.
*
* outBuffer MUST be at least 20 bytes long.
*/
MEXP(void) hashPassword(const char* password, char* outBuffer) {
calcHashBuf(password, std::strlen(password), outBuffer);
#if DEBUG
bncsutil_debug_message_a("hashPassword(\"%s\") =", password);
bncsutil_debug_dump(outBuffer, 20);
#endif
}
/**
* Calculates the CD-Key hash for use in SID_AUTH_CHECK (0x51)
* Returns the length of the generated hash; call getHash and pass
* it a character array that is at least this size. Returns 0 on failure.
*
* Note that clientToken and serverToken will be added to the buffer and
* hashed as-is, regardless of system endianness. It is assumed that
* the program's extraction of the server token does not change its
* endianness, and since the client token is generated by the client,
* endianness is not a factor.
*/
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;
}
}
