EKPAHHNY_HAGN6ATOP
Активный
- 181
- 58
Я пока ещё не разобрался как их декрипт работает мб я вообще не то нашёл
Код:
int __fastcall DataBlockEncryptor::Decrypt(int a1, int *a2, int a3, int *a4, size_t *a5)
{
int result = 0;
_BYTE *v8 = (_BYTE *)(a1 + 282);
unsigned int8 *v9 = (unsigned int8 *)(a1 + 564);
int v10 = 32;
int *v11;
int v12;
char v13, v14, v15, v16;
bool v17;
int v18;
int v19;
size_t v20;
char *v21;
int v24 = -831661711;
__int16 v25 = 22719;
int v26 = 0;
if (a2 && a3 >= 16 && (a3 & 0xF) == 0)
{
if (a3 >= 32)
{
do
{
v11 = &a2[v10 / 4u];
blockDecrypt(v9, v8, &a2[v10 / 4u - 4], 16, &a2[v10 / 4u - 4]);
v12 = v10;
if (a3 == v10)
v12 = 0;
v13 = *((_BYTE *)v11 - 15);
v14 = *((_BYTE *)v11 - 14);
v15 = *((_BYTE *)v11 - 13);
*((_BYTE *)v11 - 16) ^= *((_BYTE *)a2 + v12);
*((_BYTE *)v11 - 15) = *((_BYTE *)a2 + (v12 | 1)) ^ v13;
*((_BYTE *)v11 - 14) = *((_BYTE *)a2 + (v12 | 2)) ^ v14;
v16 = *((_BYTE *)v11 - 12);
*((_BYTE *)v11 - 13) = *((_BYTE *)a2 + (v12 | 3)) ^ v15;
*((_BYTE *)v11 - 12) = *((_BYTE *)a2 + (v12 | 4)) ^ v16;
*((_BYTE *)v11 - 11) ^= *((_BYTE *)a2 + (v12 | 5));
*((_BYTE *)v11 - 10) ^= *((_BYTE *)a2 + (v12 | 6));
*((_BYTE *)v11 - 9) ^= *((_BYTE *)a2 + (v12 | 7));
*((_BYTE *)v11 - 8) ^= *((_BYTE *)a2 + (v12 | 8));
*((_BYTE *)v11 - 7) ^= *((_BYTE *)a2 + (v12 | 9));
*((_BYTE *)v11 - 6) ^= *((_BYTE *)a2 + (v12 | 0xA));
*((_BYTE *)v11 - 5) ^= *((_BYTE *)a2 + (v12 | 0xB));
*((_BYTE *)v11 - 4) ^= *((_BYTE *)a2 + (v12 | 0xC));
*((_BYTE *)v11 - 3) ^= *((_BYTE *)a2 + (v12 | 0xD));
*((_BYTE *)v11 - 2) ^= *((_BYTE *)a2 + (v12 | 0xE));
*((_BYTE *)v11 - 1) ^= *((_BYTE *)a2 + (v12 | 0xF));
v17 = v10 <= a3 - 16;
v10 += 16;
} while (v17);
}
blockDecrypt(v9, v8, a2, 16, a2);
v18 = *((_BYTE *)a2 + 5) & 0xF;
v19 = *a2;
*a5 = a3 - 6 - v18;
CheckSum::Add((unsigned int16 *)&v24, (unsigned int8 *)a2 + 4, a3 - 4);
if (v19 == v26)
{
v20 = *a5;
v21 = (char *)a2 + v18 + 6;
if (a2 == a4)
memmove(a2, v21, v20);
else
qmemcpy(a4, v21, v20);
return 1;
}
else
{
return 0;
}
}
return result;
}Единственное что я нормально портировал -
Код:
int __fastcall HandleConnectionSuccess(int packetData)
{
int activeNetwork;
int playerId;
int sessionId;
unsigned __int8 usernameLength, tokenLength, versionLength;
char authToken[65];
unsigned __int8 *processedUsername;
unsigned __int8 packetBuffer[0x248];
unsigned __int8 tempBuffer[0x134];
if (GUI::pChat) {
Chat::AddDebugMessage(GUI::pChat, "Connected! Joining the game..");
}
activeNetwork = MultiPlayer::GetActiveNetwork();
Network::SetNetworkState(activeNetwork, 15);
RakNet::BitStream inputStream((int)tempBuffer, *(const void **)(packetData + 16), *(_DWORD *)(packetData + 8), 0);
inputStream.IgnoreBits(8);
inputStream.IgnoreBits(32);
inputStream.IgnoreBits(16);
inputStream.ReadBits((int)tempBuffer, &playerId, 16, 1);
inputStream.ReadBits((int)tempBuffer, &sessionId, 32, 1);
*(_WORD *)(*(_DWORD *)(MultiPlayer::GetActiveNetwork() + 884) + 4) = playerId;
tokenLength = MPSTRLEN("E02262CF28BC542486C558D4BE9EFB716592AFAF8B");
usernameLength = MPSTRLEN((_BYTE *)(MultiPlayer::GetActiveNetwork() + 337));
versionLength = MPSTRLEN("0.3.7");
DecryptData(authToken, byte_11BD770, 0x41, 0x4C);
processedUsername = ProcessUsernameData(LauncherWrapper::GetUsername());
RakNet::BitStream outputStream((int)packetBuffer);
outputStream.WriteBits((unsigned __int8 *)&sessionId, 32, 1);
outputStream.WriteBits(&usernameLength, 8, 1);
outputStream.Write((unsigned __int8 *)(MultiPlayer::GetActiveNetwork() + 337), usernameLength);
int encryptedSessionId = sessionId ^ 0xFD9;
outputStream.WriteBits((unsigned __int8 *)&encryptedSessionId, 32, 1);
outputStream.WriteBits(&tokenLength, 8, 1);
outputStream.Write(authToken, tokenLength);
outputStream.WriteBits(&versionLength, 8, 1);
outputStream.Write(processedUsername, versionLength);
SendPacket(activeNetwork, outputStream);
CleanupMemory(processedUsername);
return 0;
}
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