/// <summary>Decrypt the message in the file</summary>
/// <param name="path">The path to the file</param>
/// <param name="key">The key for the encription</param>
/// <param name="newPath">The path of the new file</param>
/// <returns>True if the file was decrypted correct</returns>
public bool Decrypt(string path, int key, ref string newPath)
{
if (permutations.CheckPermutations())
{
string binaryKey = Convert.ToString(key, 2).PadLeft(10, '0');
(string K1, string K2) = GenerateKeys(binaryKey, permutations.P10, permutations.P8);
List <string> binaries = ReadFile(path);
List <byte> bytes = DecryptBytes(binaries, K1, K2, permutations.IP, permutations.EP, permutations.P4,
permutations.IIP);
string name = Path.GetFileNameWithoutExtension(path);
newPath = new FileUtils().CreateFile(name, ".txt", "~/App_Data/Downloads");
WriteFile(bytes, newPath);
return(true);
}
return(false);
}
