static void Main(string[] args)
{
int Choice = 0, Delay = 50;
char[] alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZÅÄÖabcdefghijklmnopqrstuvwxyzåäö ".ToCharArray();
int[] Places = new int[57];
for (int i = 0; i < Places.Length; i++)
{
Places[i] = i;
}
Console.WriteLine("Want to Encrypt(1) or Decrypt?(2) \n");
Choice = Convert.ToInt32(Console.ReadLine());
if (Choice == 1)
{
Encrypt();
}
else
{
Decrypt();
}
void Encrypt()
{
List <int> MessagePlaces;
List <int> EncryptedMessagePlaces;
string Message;
char[] MessageChar;
char[] EncryptedMessage;
int EncryptKey;
MessagePlaces = new List <int>();
EncryptedMessagePlaces = new List <int>();
Console.Clear();
Console.WriteLine("Enter message");
Message = Console.ReadLine();
MessageChar = Message.ToCharArray();
EncryptedMessage = new char[Message.Length];
Console.WriteLine("\nKey?");
EncryptKey = Convert.ToInt32(Console.ReadLine());
//Making Corresponding numbers from the first message
for (int i = 0; i < MessageChar.Length; i++)
{
char CurrentChar = MessageChar[i];
int CorrespondingInt;
for (int a = 0; a < alpha.Length; a++)
{
if (CurrentChar == alpha[a])
{
CorrespondingInt = a;
MessagePlaces.Add(CorrespondingInt);
EncryptedMessagePlaces.Add(CorrespondingInt);
Console.Write(CorrespondingInt + " ");
Thread.Sleep(Delay);
}
}
}
//Making the new places
Console.WriteLine("\n");
for (int b = 0; b < MessagePlaces.Count; b++)
{
EncryptedMessagePlaces[b] += EncryptKey;
if (EncryptedMessagePlaces[b] > 57)
{
EncryptedMessagePlaces[b] -= alpha.Length;
}
Console.Write(EncryptedMessagePlaces[b] + " ");
Thread.Sleep(Delay);
}
//Making a new string with the new characters correspondig the odd places array
Console.WriteLine("\n");
for (int c = 0; c < EncryptedMessagePlaces.Count; c++)
{
char CorrespondingChar;
int CurrentInt;
CurrentInt = EncryptedMessagePlaces[c];
CorrespondingChar = alpha[CurrentInt];
EncryptedMessage[c] = CorrespondingChar;
Console.Write(EncryptedMessage[c]);
Thread.Sleep(Delay);
}
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("\n\nDone!\n\n");
if (!Directory.Exists("/Logs"))
{
;
}
Directory.CreateDirectory("/Logs");
FileStream ostrm;
StreamWriter writer;
TextWriter oldOut = Console.Out;
try
{
ostrm = new FileStream("./Logs/" + Message + ".txt", FileMode.Create, FileAccess.Write);
writer = new StreamWriter(ostrm);
}
catch (Exception e)
{
Console.WriteLine("Cannot open Redirect.txt for writing");
Console.WriteLine(e.Message);
return;
}
Console.SetOut(writer);
//Write Something here
Console.WriteLine("Enter message");
Console.WriteLine(Message);
Console.WriteLine();
Console.WriteLine("Key?");
Console.WriteLine(EncryptKey);
Console.WriteLine();
Console.WriteLine("Encryption: ");
for (int i = 0; i < MessagePlaces.Count; i++)
{
Console.Write(MessagePlaces[i] + " ");
}
Console.WriteLine();
Console.WriteLine();
for (int i = 0; i < EncryptedMessagePlaces.Count; i++)
{
Console.Write(EncryptedMessagePlaces[i] + " ");
}
Console.WriteLine();
Console.WriteLine();
for (int i = 0; i < EncryptedMessagePlaces.Count; i++)
{
Console.Write(EncryptedMessage[i]);
}
Console.WriteLine();
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Done!");
Console.WriteLine();
Console.WriteLine();
Console.SetOut(oldOut);
writer.Close();
ostrm.Close();
Console.WriteLine("Wrote everything to: ./Logs/" + Message + ".txt");
Console.WriteLine("Opening " + Message + ".txt");
System.Diagnostics.Process.Start("notepad.exe", "./Logs/" + Message + ".txt");
}
void Decrypt()
{
List <int> EncryptedMessagePlaces;
List <int> MessagePlaces;
string EncryptedMessage;
char[] MessageChar;
char[] EncryptedMessageChar;
int EncryptKey;
MessagePlaces = new List <int>();
EncryptedMessagePlaces = new List <int>();
Console.Clear();
Console.WriteLine("Enter message");
EncryptedMessage = Console.ReadLine();
EncryptedMessageChar = EncryptedMessage.ToCharArray();
MessageChar = new char[EncryptedMessageChar.Length];
Console.WriteLine("\nKey?");
EncryptKey = Convert.ToInt32(Console.ReadLine());
//Making Corresponding numbers from the first message
for (int i = 0; i < MessageChar.Length; i++)
{
char CurrentChar = EncryptedMessageChar[i];
int CorrespondingInt;
for (int a = 0; a < alpha.Length; a++)
{
if (CurrentChar == alpha[a])
{
CorrespondingInt = a;
MessagePlaces.Add(CorrespondingInt);
EncryptedMessagePlaces.Add(CorrespondingInt);
Console.Write(CorrespondingInt + " ");
Thread.Sleep(Delay);
}
}
}
//Making the new places
Console.WriteLine("\n");
for (int b = 0; b < EncryptedMessagePlaces.Count; b++)
{
MessagePlaces[b] -= EncryptKey;
if (MessagePlaces[b] < 0)
{
MessagePlaces[b] += alpha.Length;
}
Console.Write(MessagePlaces[b] + " ");
Thread.Sleep(Delay);
}
//Making a new string with the new characters correspondig the odd places array
Console.WriteLine("\n");
for (int c = 0; c < EncryptedMessagePlaces.Count; c++)
{
char CorrespondingChar;
int CurrentInt;
CurrentInt = MessagePlaces[c];
CorrespondingChar = alpha[CurrentInt];
MessageChar[c] = CorrespondingChar;
Console.Write(MessageChar[c]);
Thread.Sleep(Delay);
}
if (!Directory.Exists("/Logs"))
{
;
}
Directory.CreateDirectory("/Logs");
FileStream ostrm;
StreamWriter writer;
TextWriter oldOut = Console.Out;
try
{
ostrm = new FileStream("./Logs/" + EncryptedMessage + ".txt", FileMode.Create, FileAccess.Write);
writer = new StreamWriter(ostrm);
}
catch (Exception e)
{
Console.WriteLine("Cannot open Redirect.txt for writing");
Console.WriteLine(e.Message);
return;
}
Console.SetOut(writer);
//Write Something here
Console.WriteLine("Enter message");
Console.WriteLine(EncryptedMessage);
Console.WriteLine();
Console.WriteLine("Key?");
Console.WriteLine(EncryptKey);
Console.WriteLine();
Console.WriteLine("Decryption: ");
for (int i = 0; i < EncryptedMessagePlaces.Count; i++)
{
Console.Write(EncryptedMessagePlaces[i] + " ");
}
Console.WriteLine();
Console.WriteLine();
for (int i = 0; i < MessagePlaces.Count; i++)
{
Console.Write(MessagePlaces[i] + " ");
}
Console.WriteLine();
Console.WriteLine();
for (int i = 0; i < MessagePlaces.Count; i++)
{
Console.Write(MessageChar[i]);
}
Console.WriteLine();
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Done!");
Console.WriteLine();
Console.WriteLine();
Console.SetOut(oldOut);
writer.Close();
ostrm.Close();
Console.WriteLine();
Console.WriteLine("Wrote everything to: ./Logs/" + EncryptedMessage + ".txt");
Console.WriteLine("Opening " + EncryptedMessage + ".txt");
System.Diagnostics.Process.Start("notepad.exe", "./Logs/" + EncryptedMessage + ".txt");
}
Console.ReadKey();
}