internal static void ChachaCore(int rounds, uint[] input, uint[] x)
{
if (input.Length != 16)
{
throw new ArgumentException();
}
if (x.Length != 16)
{
throw new ArgumentException();
}
if (rounds % 2 != 0)
{
throw new ArgumentException("Number of rounds must be even");
}
uint num = input[0];
uint num2 = input[1];
uint num3 = input[2];
uint num4 = input[3];
uint num5 = input[4];
uint num6 = input[5];
uint num7 = input[6];
uint num8 = input[7];
uint num9 = input[8];
uint num10 = input[9];
uint num11 = input[10];
uint num12 = input[11];
uint num13 = input[12];
uint num14 = input[13];
uint num15 = input[14];
uint num16 = input[15];
for (int i = rounds; i > 0; i -= 2)
{
num += num5;
num13 = Salsa20Engine.R(num13 ^ num, 16);
num9 += num13;
num5 = Salsa20Engine.R(num5 ^ num9, 12);
num += num5;
num13 = Salsa20Engine.R(num13 ^ num, 8);
num9 += num13;
num5 = Salsa20Engine.R(num5 ^ num9, 7);
num2 += num6;
num14 = Salsa20Engine.R(num14 ^ num2, 16);
num10 += num14;
num6 = Salsa20Engine.R(num6 ^ num10, 12);
num2 += num6;
num14 = Salsa20Engine.R(num14 ^ num2, 8);
num10 += num14;
num6 = Salsa20Engine.R(num6 ^ num10, 7);
num3 += num7;
num15 = Salsa20Engine.R(num15 ^ num3, 16);
num11 += num15;
num7 = Salsa20Engine.R(num7 ^ num11, 12);
num3 += num7;
num15 = Salsa20Engine.R(num15 ^ num3, 8);
num11 += num15;
num7 = Salsa20Engine.R(num7 ^ num11, 7);
num4 += num8;
num16 = Salsa20Engine.R(num16 ^ num4, 16);
num12 += num16;
num8 = Salsa20Engine.R(num8 ^ num12, 12);
num4 += num8;
num16 = Salsa20Engine.R(num16 ^ num4, 8);
num12 += num16;
num8 = Salsa20Engine.R(num8 ^ num12, 7);
num += num6;
num16 = Salsa20Engine.R(num16 ^ num, 16);
num11 += num16;
num6 = Salsa20Engine.R(num6 ^ num11, 12);
num += num6;
num16 = Salsa20Engine.R(num16 ^ num, 8);
num11 += num16;
num6 = Salsa20Engine.R(num6 ^ num11, 7);
num2 += num7;
num13 = Salsa20Engine.R(num13 ^ num2, 16);
num12 += num13;
num7 = Salsa20Engine.R(num7 ^ num12, 12);
num2 += num7;
num13 = Salsa20Engine.R(num13 ^ num2, 8);
num12 += num13;
num7 = Salsa20Engine.R(num7 ^ num12, 7);
num3 += num8;
num14 = Salsa20Engine.R(num14 ^ num3, 16);
num9 += num14;
num8 = Salsa20Engine.R(num8 ^ num9, 12);
num3 += num8;
num14 = Salsa20Engine.R(num14 ^ num3, 8);
num9 += num14;
num8 = Salsa20Engine.R(num8 ^ num9, 7);
num4 += num5;
num15 = Salsa20Engine.R(num15 ^ num4, 16);
num10 += num15;
num5 = Salsa20Engine.R(num5 ^ num10, 12);
num4 += num5;
num15 = Salsa20Engine.R(num15 ^ num4, 8);
num10 += num15;
num5 = Salsa20Engine.R(num5 ^ num10, 7);
}
x[0] = num + input[0];
x[1] = num2 + input[1];
x[2] = num3 + input[2];
x[3] = num4 + input[3];
x[4] = num5 + input[4];
x[5] = num6 + input[5];
x[6] = num7 + input[6];
x[7] = num8 + input[7];
x[8] = num9 + input[8];
x[9] = num10 + input[9];
x[10] = num11 + input[10];
x[11] = num12 + input[11];
x[12] = num13 + input[12];
x[13] = num14 + input[13];
x[14] = num15 + input[14];
x[15] = num16 + input[15];
}
internal static void SalsaCore(int rounds, uint[] input, uint[] x)
{
if (input.Length != 16)
{
throw new ArgumentException();
}
if (x.Length != 16)
{
throw new ArgumentException();
}
if (rounds % 2 != 0)
{
throw new ArgumentException("Number of rounds must be even");
}
uint num = input[0];
uint num2 = input[1];
uint num3 = input[2];
uint num4 = input[3];
uint num5 = input[4];
uint num6 = input[5];
uint num7 = input[6];
uint num8 = input[7];
uint num9 = input[8];
uint num10 = input[9];
uint num11 = input[10];
uint num12 = input[11];
uint num13 = input[12];
uint num14 = input[13];
uint num15 = input[14];
uint num16 = input[15];
for (int i = rounds; i > 0; i -= 2)
{
num5 ^= Salsa20Engine.R(num + num13, 7);
num9 ^= Salsa20Engine.R(num5 + num, 9);
num13 ^= Salsa20Engine.R(num9 + num5, 13);
num ^= Salsa20Engine.R(num13 + num9, 18);
num10 ^= Salsa20Engine.R(num6 + num2, 7);
num14 ^= Salsa20Engine.R(num10 + num6, 9);
num2 ^= Salsa20Engine.R(num14 + num10, 13);
num6 ^= Salsa20Engine.R(num2 + num14, 18);
num15 ^= Salsa20Engine.R(num11 + num7, 7);
num3 ^= Salsa20Engine.R(num15 + num11, 9);
num7 ^= Salsa20Engine.R(num3 + num15, 13);
num11 ^= Salsa20Engine.R(num7 + num3, 18);
num4 ^= Salsa20Engine.R(num16 + num12, 7);
num8 ^= Salsa20Engine.R(num4 + num16, 9);
num12 ^= Salsa20Engine.R(num8 + num4, 13);
num16 ^= Salsa20Engine.R(num12 + num8, 18);
num2 ^= Salsa20Engine.R(num + num4, 7);
num3 ^= Salsa20Engine.R(num2 + num, 9);
num4 ^= Salsa20Engine.R(num3 + num2, 13);
num ^= Salsa20Engine.R(num4 + num3, 18);
num7 ^= Salsa20Engine.R(num6 + num5, 7);
num8 ^= Salsa20Engine.R(num7 + num6, 9);
num5 ^= Salsa20Engine.R(num8 + num7, 13);
num6 ^= Salsa20Engine.R(num5 + num8, 18);
num12 ^= Salsa20Engine.R(num11 + num10, 7);
num9 ^= Salsa20Engine.R(num12 + num11, 9);
num10 ^= Salsa20Engine.R(num9 + num12, 13);
num11 ^= Salsa20Engine.R(num10 + num9, 18);
num13 ^= Salsa20Engine.R(num16 + num15, 7);
num14 ^= Salsa20Engine.R(num13 + num16, 9);
num15 ^= Salsa20Engine.R(num14 + num13, 13);
num16 ^= Salsa20Engine.R(num15 + num14, 18);
}
x[0] = num + input[0];
x[1] = num2 + input[1];
x[2] = num3 + input[2];
x[3] = num4 + input[3];
x[4] = num5 + input[4];
x[5] = num6 + input[5];
x[6] = num7 + input[6];
x[7] = num8 + input[7];
x[8] = num9 + input[8];
x[9] = num10 + input[9];
x[10] = num11 + input[10];
x[11] = num12 + input[11];
x[12] = num13 + input[12];
x[13] = num14 + input[13];
x[14] = num15 + input[14];
x[15] = num16 + input[15];
}
internal static void ChachaCore(int rounds, uint[] input, uint[] x)
{
//IL_0007: Unknown result type (might be due to invalid IL or missing references)
//IL_0014: Unknown result type (might be due to invalid IL or missing references)
//IL_0024: Unknown result type (might be due to invalid IL or missing references)
if (input.Length != 16)
{
throw new ArgumentException();
}
if (x.Length != 16)
{
throw new ArgumentException();
}
if (rounds % 2 != 0)
{
throw new ArgumentException("Number of rounds must be even");
}
uint num = input[0];
uint num2 = input[1];
uint num3 = input[2];
uint num4 = input[3];
uint num5 = input[4];
uint num6 = input[5];
uint num7 = input[6];
uint num8 = input[7];
uint num9 = input[8];
uint num10 = input[9];
uint num11 = input[10];
uint num12 = input[11];
uint num13 = input[12];
uint num14 = input[13];
uint num15 = input[14];
uint num16 = input[15];
for (int num17 = rounds; num17 > 0; num17 -= 2)
{
num += num5;
num13 = Salsa20Engine.R(num13 ^ num, 16);
num9 += num13;
num5 = Salsa20Engine.R(num5 ^ num9, 12);
num += num5;
num13 = Salsa20Engine.R(num13 ^ num, 8);
num9 += num13;
num5 = Salsa20Engine.R(num5 ^ num9, 7);
num2 += num6;
num14 = Salsa20Engine.R(num14 ^ num2, 16);
num10 += num14;
num6 = Salsa20Engine.R(num6 ^ num10, 12);
num2 += num6;
num14 = Salsa20Engine.R(num14 ^ num2, 8);
num10 += num14;
num6 = Salsa20Engine.R(num6 ^ num10, 7);
num3 += num7;
num15 = Salsa20Engine.R(num15 ^ num3, 16);
num11 += num15;
num7 = Salsa20Engine.R(num7 ^ num11, 12);
num3 += num7;
num15 = Salsa20Engine.R(num15 ^ num3, 8);
num11 += num15;
num7 = Salsa20Engine.R(num7 ^ num11, 7);
num4 += num8;
num16 = Salsa20Engine.R(num16 ^ num4, 16);
num12 += num16;
num8 = Salsa20Engine.R(num8 ^ num12, 12);
num4 += num8;
num16 = Salsa20Engine.R(num16 ^ num4, 8);
num12 += num16;
num8 = Salsa20Engine.R(num8 ^ num12, 7);
num += num6;
num16 = Salsa20Engine.R(num16 ^ num, 16);
num11 += num16;
num6 = Salsa20Engine.R(num6 ^ num11, 12);
num += num6;
num16 = Salsa20Engine.R(num16 ^ num, 8);
num11 += num16;
num6 = Salsa20Engine.R(num6 ^ num11, 7);
num2 += num7;
num13 = Salsa20Engine.R(num13 ^ num2, 16);
num12 += num13;
num7 = Salsa20Engine.R(num7 ^ num12, 12);
num2 += num7;
num13 = Salsa20Engine.R(num13 ^ num2, 8);
num12 += num13;
num7 = Salsa20Engine.R(num7 ^ num12, 7);
num3 += num8;
num14 = Salsa20Engine.R(num14 ^ num3, 16);
num9 += num14;
num8 = Salsa20Engine.R(num8 ^ num9, 12);
num3 += num8;
num14 = Salsa20Engine.R(num14 ^ num3, 8);
num9 += num14;
num8 = Salsa20Engine.R(num8 ^ num9, 7);
num4 += num5;
num15 = Salsa20Engine.R(num15 ^ num4, 16);
num10 += num15;
num5 = Salsa20Engine.R(num5 ^ num10, 12);
num4 += num5;
num15 = Salsa20Engine.R(num15 ^ num4, 8);
num10 += num15;
num5 = Salsa20Engine.R(num5 ^ num10, 7);
}
x[0] = num + input[0];
x[1] = num2 + input[1];
x[2] = num3 + input[2];
x[3] = num4 + input[3];
x[4] = num5 + input[4];
x[5] = num6 + input[5];
x[6] = num7 + input[6];
x[7] = num8 + input[7];
x[8] = num9 + input[8];
x[9] = num10 + input[9];
x[10] = num11 + input[10];
x[11] = num12 + input[11];
x[12] = num13 + input[12];
x[13] = num14 + input[13];
x[14] = num15 + input[14];
x[15] = num16 + input[15];
}