public void Inverse_InversessValues_Inversed()
{
uint[] values = { 0x78722bdf, 0xaed473aa, 0xf15a1932, 0x025d42dd };
uint[] expected = { 0x014aba55, 0x0020c5e4, 0x00000b83, 0x0051e7d5 };
uint[] result = LinearTransformator.Inverse(values);
CollectionAssert.AreEqual(expected, result);
}
private uint[] Rounds(uint[] words)
{
for (int i = 0; i < 31; i++)
{
words = words.XOR(_key.K[i].Words);
words = _sBox.Substitute(words[0], words[1], words[2], words[3], i % 8);
words = LinearTransformator.Transform(words);
}
return(words);
}
private uint[] InverseRounds(uint[] words)
{
int sBoxIndex = 6;
for (int i = 31; i >= 1; i--)
{
words = LinearTransformator.Inverse(words.XOR(_key.K[i].Words));
words = _sBox.Inverse(words[0], words[1], words[2], words[3], sBoxIndex--);
if (sBoxIndex < 0)
{
sBoxIndex = 7;
}
}
words = words.XOR(_key.K[0].Words);
return(words);
}
public void Transform_TransformsValues_Transformed()
{
uint[] values = { 0x014aba55, 0x0020c5e4, 0x00000b83, 0x0051e7d5 };
uint[] expected = { 0x78722bdf, 0xaed473aa, 0xf15a1932, 0x025d42dd };
CollectionAssert.AreEqual(expected, LinearTransformator.Transform(values));
}
