private ulong[] DecryptFile()
{
BasicStep[] K = new BasicStep[8];
ulong[] ulongDecrFile = new ulong[ulongFile.Length];
for (int k = 0; k < ulongFile.Length; k++)
{
ulongDecrFile[k] = ulongFile[k];
for (int i = 0; i < K.Length; i++)
{
K[i] = new BasicStep(ulongDecrFile[k], uintKey[i]);
ulongDecrFile[k] = K[i].BasicEncrypt(false);
}
for (int j = 0; j < 3; j++)
{
for (int i = K.Length - 1; i >= 0; i--)
{
K[i] = new BasicStep(ulongDecrFile[k], uintKey[i]);
if ((j == 2) && (i == 0))
{
ulongDecrFile[k] = K[i].BasicEncrypt(true);
}
else
{
ulongDecrFile[k] = K[i].BasicEncrypt(false);
}
}
}
}
return(ulongDecrFile);
}
public ICollection <BasicStep> GetterminalState()
{
var terminal = new BasicStep[_steps.Count];
_steps.Values.CopyTo(terminal, 0);
return(terminal);
}
private ulong[] EncryptFile()
{
BasicStep[] K = new BasicStep[8];
ulong[] ulongEncrFile = new ulong[_ulongFile.Length];
for (int k = 0; k < _ulongFile.Length; k++)
{
ulongEncrFile[k] = _ulongFile[k];
for (int j = 0; j < 3; j++)
{
for (int i = 0; i < K.Length; i++)
{
K[i] = new BasicStep(ulongEncrFile[k], _uintKey[i]);
ulongEncrFile[k] = K[i].BasicEncrypt(false);
}
}
for (int i = K.Length - 1; i >= 0; i--)
{
K[i] = new BasicStep(ulongEncrFile[k], _uintKey[i]);
if (i != 0)
{
ulongEncrFile[k] = K[i].BasicEncrypt(false);
}
else
{
ulongEncrFile[k] = K[i].BasicEncrypt(true);
}
}
}
return(ulongEncrFile);
}
