public static void GeneratePair(RandomGenerator random, out StatementBlock encrypt, out StatementBlock decrypt)
{
double varPrecentage = 1 + ((random.NextDouble() * 2) - 1) * VARIANCE;
var totalElements = (int)(((random.NextDouble() + 1) * RATIO_SUM) * varPrecentage);
var elems = new List <CryptoElement>();
for (int i = 0; i < totalElements * MAT_RATIO / RATIO_SUM; i++)
{
elems.Add(new Matrix());
}
for (int i = 0; i < totalElements * NUMOP_RATIO / RATIO_SUM; i++)
{
elems.Add(new NumOp());
}
for (int i = 0; i < totalElements * SWAP_RATIO / RATIO_SUM; i++)
{
elems.Add(new Swap());
}
for (int i = 0; i < totalElements * BINOP_RATIO / RATIO_SUM; i++)
{
elems.Add(new BinOp());
}
for (int i = 0; i < totalElements * ROTATE_RATIO / RATIO_SUM; i++)
{
elems.Add(new RotateBit());
}
for (int i = 0; i < 16; i++)
{
elems.Add(new AddKey(i));
}
Shuffle(random, elems);
int[] x = Enumerable.Range(0, 16).ToArray();
int index = 16;
bool overdue = false;
foreach (CryptoElement elem in elems)
{
elem.Initialize(random);
for (int i = 0; i < elem.DataCount; i++)
{
if (index == 16)
{
overdue = true; // Can't shuffle now to prevent duplication
index = 0;
}
elem.DataIndexes[i] = x[index++];
}
if (overdue)
{
Shuffle(random, x);
index = 0;
overdue = false;
}
}
var encryptContext = new CipherGenContext(random, 16);
foreach (CryptoElement elem in elems)
{
elem.Emit(encryptContext);
}
encrypt = encryptContext.Block;
PostProcessStatements(encrypt, random);
var decryptContext = new CipherGenContext(random, 16);
foreach (CryptoElement elem in Enumerable.Reverse(elems))
{
elem.EmitInverse(decryptContext);
}
decrypt = decryptContext.Block;
PostProcessStatements(decrypt, random);
}
public TempVarHolder(CipherGenContext p, Variable v)
{
parent = p;
tempVar = v;
}
