public static RandomGaussRow operator ^(RandomGaussRow r1, RandomGaussRow r2)
{
var newRow = new RandomGaussRow();
for (int i = 0; i < 16; i++)
newRow.A[i] = r1.A[i] ^ r2.A[i];
newRow.B = r1.B ^ r2.B;
return newRow;
}
public static RandomGaussRow operator ^(RandomGaussRow r1, RandomGaussRow r2)
{
var newRow = new RandomGaussRow();
for (int i = 0; i < 16; i++)
{
newRow.A[i] = r1.A[i] ^ r2.A[i];
}
newRow.B = r1.B ^ r2.B;
return(newRow);
}
public static RandomGaussRow operator ^(RandomGaussRow r1, RandomGaussRow r2)
{
RandomGaussRow randomGaussRow = new RandomGaussRow();
for (int i = 0; i < 16; i++)
{
randomGaussRow.A[i] = (r1.A[i] ^ r2.A[i]);
}
randomGaussRow.B = (r1.B ^ r2.B);
return(randomGaussRow);
}
public static bool[] Solve(uint[][] tables, int inByte0, int inByte1, int inByte2, int inByte3, int outByte, int outBit)
{
uint[] key = new uint[4];
Random random = new Random();
List <RandomGaussRow> list = new List <RandomGaussRow>();
RandomGaussRow randomGaussRow = new RandomGaussRow();
randomGaussRow.SetA(0);
randomGaussRow.SetB();
list.Add(randomGaussRow);
byte[] array = new byte[16];
for (int i = 1; i < 1024; i++)
{
RandomGaussRow randomGaussRow2;
do
{
random.NextBytes(array);
byte[] array2 = GTA5Crypto.DecryptRoundA(array, key, tables);
randomGaussRow2 = new RandomGaussRow();
randomGaussRow2.SetA((int)array2[inByte0]);
randomGaussRow2.SetA(256 + (int)array2[inByte1]);
randomGaussRow2.SetA(512 + (int)array2[inByte2]);
randomGaussRow2.SetA(768 + (int)array2[inByte3]);
if (((int)array[outByte] & 1 << outBit) != 0)
{
randomGaussRow2.SetB();
}
if (i == 767)
{
randomGaussRow2 = new RandomGaussRow();
randomGaussRow2.SetA(767);
randomGaussRow2.SetB();
}
if (i == 1023)
{
randomGaussRow2 = new RandomGaussRow();
randomGaussRow2.SetA(1023);
randomGaussRow2.SetB();
}
for (int j = 0; j < i; j++)
{
if (randomGaussRow2.GetA(j))
{
randomGaussRow2 ^= list[j];
}
}
}while (!randomGaussRow2.GetA(i));
list.Add(randomGaussRow2);
}
bool[] array3 = new bool[1024];
for (int k = 1023; k >= 0; k--)
{
bool b = list[k].GetB();
array3[k] = b;
for (int l = 0; l < k; l++)
{
if (list[l].GetA(k))
{
list[l].B ^= b;
}
}
}
return(array3);
}
public static bool[] Solve(
uint[][] tables,
int inByte0, int inByte1, int inByte2, int inByte3,
int outByte, int outBit)
{
var noKey = new uint[] { 0, 0, 0, 0 };
var random = new Random();
var pivots = new List<RandomGaussRow>();
var firstPivot = new RandomGaussRow();
firstPivot.SetA(0);
firstPivot.SetB();
pivots.Add(firstPivot);
var buf_encrypted = new byte[16];
for (int pivotIdx = 1; pivotIdx < 1024; pivotIdx++)
{
while (true)
{
random.NextBytes(buf_encrypted);
// decrypt
var buf_decrypted = GTA5Crypto.DecryptRoundA(
buf_encrypted,
noKey,
tables);
// make row
var row = new RandomGaussRow();
//row.A[0 + buf_decrypted[inByte0]] = true;
//row.A[256 + buf_decrypted[inByte1]] = true;
//row.A[512 + buf_decrypted[inByte2]] = true;
//row.A[768 + buf_decrypted[inByte3]] = true;
//row.B = (buf_encrypted[outByte] & (1 << outBit)) != 0;
row.SetA(0 + buf_decrypted[inByte0]);
row.SetA(256 + buf_decrypted[inByte1]);
row.SetA(512 + buf_decrypted[inByte2]);
row.SetA(768 + buf_decrypted[inByte3]);
if ((buf_encrypted[outByte] & (1 << outBit)) != 0)
row.SetB();
if (pivotIdx == 0x2ff)
{
row = new RandomGaussRow();
row.SetA(0x2ff);
row.SetB();
}
if (pivotIdx == 0x3ff)
{
row = new RandomGaussRow();
row.SetA(0x3ff);
row.SetB();
}
// apply pivotIdx-1 pivots
for (int k = 0; k < pivotIdx; k++)
{
if (row.GetA(k))
{
row ^= pivots[k];
//var ppp = pivots[k];
//for (int p = 0; p < 1024; p++)
// row.A[p] ^= ppp.A[p];
//row.B ^= ppp.B;
}
}
// check if this row is a new pivot
if (row.GetA(pivotIdx))
{
pivots.Add(row);
// Console.WriteLine("Found pivot for column " + pivotIdx.ToString());
break;
}
}
}
var result = new bool[1024];
for (int j = 1023; j >= 0; j--)
{
bool val = pivots[j].GetB();
result[j] = val;
for (int k = 0; k < j; k++)
{
if (pivots[k].GetA(j))
pivots[k].B ^= val;
}
}
return result;
}
public static bool[] Solve(
uint[][] tables,
int inByte0, int inByte1, int inByte2, int inByte3,
int outByte, int outBit)
{
var noKey = new uint[] { 0, 0, 0, 0 };
var random = new Random();
var pivots = new List <RandomGaussRow>();
var firstPivot = new RandomGaussRow();
firstPivot.SetA(0);
firstPivot.SetB();
pivots.Add(firstPivot);
var buf_encrypted = new byte[16];
for (int pivotIdx = 1; pivotIdx < 1024; pivotIdx++)
{
while (true)
{
random.NextBytes(buf_encrypted);
// decrypt
var buf_decrypted = GTA5Crypto.DecryptRoundA(
buf_encrypted,
noKey,
tables);
// make row
var row = new RandomGaussRow();
//row.A[0 + buf_decrypted[inByte0]] = true;
//row.A[256 + buf_decrypted[inByte1]] = true;
//row.A[512 + buf_decrypted[inByte2]] = true;
//row.A[768 + buf_decrypted[inByte3]] = true;
//row.B = (buf_encrypted[outByte] & (1 << outBit)) != 0;
row.SetA(0 + buf_decrypted[inByte0]);
row.SetA(256 + buf_decrypted[inByte1]);
row.SetA(512 + buf_decrypted[inByte2]);
row.SetA(768 + buf_decrypted[inByte3]);
if ((buf_encrypted[outByte] & (1 << outBit)) != 0)
{
row.SetB();
}
if (pivotIdx == 0x2ff)
{
row = new RandomGaussRow();
row.SetA(0x2ff);
row.SetB();
}
if (pivotIdx == 0x3ff)
{
row = new RandomGaussRow();
row.SetA(0x3ff);
row.SetB();
}
// apply pivotIdx-1 pivots
for (int k = 0; k < pivotIdx; k++)
{
if (row.GetA(k))
{
row ^= pivots[k];
//var ppp = pivots[k];
//for (int p = 0; p < 1024; p++)
// row.A[p] ^= ppp.A[p];
//row.B ^= ppp.B;
}
}
// check if this row is a new pivot
if (row.GetA(pivotIdx))
{
pivots.Add(row);
// Console.WriteLine("Found pivot for column " + pivotIdx.ToString());
break;
}
}
}
var result = new bool[1024];
for (int j = 1023; j >= 0; j--)
{
bool val = pivots[j].GetB();
result[j] = val;
for (int k = 0; k < j; k++)
{
if (pivots[k].GetA(j))
{
pivots[k].B ^= val;
}
}
}
return(result);
}
