// ------------------------------------------------------------------------------------------------------------------
public HomophonicSolver(NGrams nGrams) : base(nGrams)
{
Random rnd = new Random(Guid.NewGuid().GetHashCode());
// Letter frequencies for common english plaintexts
float[] letterFrequencies =
{
8.167f, // a
1.492f, // b
2.782f, // c
4.253f, // d
12.703f, // e
2.228f, // f
2.015f, // g
6.094f, // h
6.966f, // i
0.153f, // j
0.772f, // k
4.025f, // l
2.406f, // m
6.749f, // n
7.507f, // o
1.929f, // p
0.095f, // q
5.987f, // r
6.327f, // s
9.056f, // t
2.758f, // u
0.978f, // v
2.360f, // w
0.150f, // x
1.974f, // y
0.074f // z
};
// Create a table which contains the numbers 0-25 (A-Z) according to
// the letter frequencies.
// e.g. 816 times "0" ("A"), 1270 times "4" ("E") and so on.
for (int i = 0; i < letterFrequencies.Length; i++)
{
for (float k = 0; k < letterFrequencies[i] * 100.0f; k++)
{
letterFrequenciesEnglish.Add(i);
}
}
letterFrequencyTableSize = letterFrequenciesEnglish.Count;
}
// ------------------------------------------------------------------------------------------------------------------
#region Methods
public SubstitutionSolverBase(NGrams nGrams)
{
this.nGrams = nGrams;
}