crypto lab | C# Online Compiler

crypto lab by Edrees Osman

using System;
					
public class Program
{
	public static void Main()
	{
		start:
		Console.Clear();
		Console.WriteLine("Press E to ENCRYPT or press D to DECRYPT");
		string choice = Console.ReadLine();
		if (choice == "E" || choice == "e")
		{
			Console.WriteLine("Enter the text you would like to encrypt **IN ALL CAPS");
			string text1 = Console.ReadLine();
			Console.WriteLine("Message: " + Encrypt(text1));
		}
		if (choice == "D" || choice == "d")
		{
			Console.WriteLine("Enter the text you would like the decrypt **IN ALL CAPS");
			string text2 = Console.ReadLine();
			Console.WriteLine("Message: " + Decrypt(text2));
		}
		Console.WriteLine("Would you like to restart? y/n?");
		string restart = Console.ReadLine();
		if (restart == "y" || restart == "Y")
		{
			goto start;
		}
		if (restart == "n" || restart == "N")
		{
			Console.WriteLine("Okay have a good day!");
		}
	}
	
	private static string Encrypt(string x)
	{
		char[] temp = x.ToCharArray();
		for (int i = 0; i < x.Length; i++)
		{
			if (temp[i] == 'A')
				temp[i] = 'C';
			else if (temp[i] == 'B')
				temp[i] = 'D';
			else if (temp[i] == 'C')
				temp[i] = 'E';
			else if (temp[i] == 'D')
				temp[i] = 'F';
			else if (temp[i] == 'E')
				temp[i] = 'G';
			else if (temp[i] == 'F')
				temp[i] = 'H';
			else if (temp[i] == 'G')
				temp[i] = 'I';
			else if (temp[i] == 'H')
				temp[i] = 'J';
			else if (temp[i] == 'I')
				temp[i] = 'K';
			else if (temp[i] == 'J')
				temp[i] = 'L';
			else if (temp[i] == 'K')
				temp[i] = 'M';
			else if (temp[i] == 'L')
				temp[i] = 'N';
			else if (temp[i] == 'M')
				temp[i] = 'O';
			else if (temp[i] == 'N')
				temp[i] = 'P';
			else if (temp[i] == 'O')
				temp[i] = 'Q';
			else if (temp[i] == 'P')
				temp[i] = 'R';
			else if (temp[i] == 'Q')
				temp[i] = 'S';
			else if (temp[i] == 'R')
				temp[i] = 'T';
			else if (temp[i] == 'S')
				temp[i] = 'U';
			else if (temp[i] == 'T')
				temp[i] = 'V';
			else if (temp[i] == 'U')
				temp[i] = 'W';
			else if (temp[i] == 'V')
				temp[i] = 'X';
			else if (temp[i] == 'W')
				temp[i] = 'Y';
			else if (temp[i] == 'X')
				temp[i] = 'Z';
			else if (temp[i] == 'Y')
				temp[i] = 'A';
			else if (temp[i] == 'Z')
				temp[i] = 'B';
		}
		
		string cipher = new string (temp);
		return cipher;
	}
	private static string Decrypt(string x)
	{
		char[] temp = x.ToCharArray();
		for (int i = 0; i < x.Length; i++)
		{
			if (temp[i] == 'C')
				temp[i] = 'A';
			else if (temp[i] == 'D')
				temp[i] = 'B';
			else if (temp[i] == 'E')
				temp[i] = 'C';
			else if (temp[i] == 'F')
				temp[i] = 'D';
			else if (temp[i] == 'G')
				temp[i] = 'E';
			else if (temp[i] == 'H')
				temp[i] = 'F';
			else if (temp[i] == 'I')
				temp[i] = 'G';
			else if (temp[i] == 'J')
				temp[i] = 'H';
			else if (temp[i] == 'K')
				temp[i] = 'I';
			else if (temp[i] == 'L')
				temp[i] = 'J';
			else if (temp[i] == 'M')
				temp[i] = 'K';
			else if (temp[i] == 'N')
				temp[i] = 'L';
			else if (temp[i] == 'O')
				temp[i] = 'M';
			else if (temp[i] == 'P')
				temp[i] = 'N';
			else if (temp[i] == 'Q')
				temp[i] = 'O';
			else if (temp[i] == 'R')
				temp[i] = 'P';
			else if (temp[i] == 'S')
				temp[i] = 'Q';
			else if (temp[i] == 'T')
				temp[i] = 'R';
			else if (temp[i] == 'U')
				temp[i] = 'S';
			else if (temp[i] == 'V')
				temp[i] = 'T';
			else if (temp[i] == 'W')
				temp[i] = 'U';
			else if (temp[i] == 'X')
				temp[i] = 'V';
			else if (temp[i] == 'Y')
				temp[i] = 'W';
			else if (temp[i] == 'Z')
				temp[i] = 'X';
			else if (temp[i] == 'A')
				temp[i] = 'Y';
			else if (temp[i] == 'B')
				temp[i] = 'Z';
		}
		
		string cipher = new string (temp);
		return cipher;
	}
}

 
using System;
                    
public class Program
{
    public static void Main()
    {
        start:
        Console.Clear();
        Console.WriteLine("Press E to ENCRYPT or press D to DECRYPT");
        string choice = Console.ReadLine();
        if (choice == "E" || choice == "e")
        {
            Console.WriteLine("Enter the text you would like to encrypt **IN ALL CAPS");
            string text1 = Console.ReadLine();
            Console.WriteLine("Message: " + Encrypt(text1));
        }
        if (choice == "D" || choice == "d")
        {
            Console.WriteLine("Enter the text you would like the decrypt **IN ALL CAPS");
            string text2 = Console.ReadLine();
            Console.WriteLine("Message: " + Decrypt(text2));
        }
        Console.WriteLine("Would you like to restart? y/n?");
        string restart = Console.ReadLine();
        if (restart == "y" || restart == "Y")
        {
            goto start;
        }
        if (restart == "n" || restart == "N")
        {
            Console.WriteLine("Okay have a good day!");
        }
    }
    
    private static string Encrypt(string x)
    {
        char[] temp = x.ToCharArray();
        for (int i = 0; i < x.Length; i++)
        {
            if (temp[i] == 'A')
                temp[i] = 'C';
            else if (temp[i] == 'B')
                temp[i] = 'D';
            else if (temp[i] == 'C')
                temp[i] = 'E';
            else if (temp[i] == 'D')
                temp[i] = 'F';
            else if (temp[i] == 'E')
                temp[i] = 'G';
            else if (temp[i] == 'F')
                temp[i] = 'H';
            else if (temp[i] == 'G')
                temp[i] = 'I';
            else if (temp[i] == 'H')
                temp[i] = 'J';
            else if (temp[i] == 'I')
                temp[i] = 'K';
            else if (temp[i] == 'J')
                temp[i] = 'L';
            else if (temp[i] == 'K')
                temp[i] = 'M';
            else if (temp[i] == 'L')
                temp[i] = 'N';
            else if (temp[i] == 'M')
                temp[i] = 'O';
            else if (temp[i] == 'N')
                temp[i] = 'P';
            else if (temp[i] == 'O')
                temp[i] = 'Q';
            else if (temp[i] == 'P')
                temp[i] = 'R';
            else if (temp[i] == 'Q')
                temp[i] = 'S';
            else if (temp[i] == 'R')
                temp[i] = 'T';
            else if (temp[i] == 'S')
                temp[i] = 'U';
            else if (temp[i] == 'T')
                temp[i] = 'V';
            else if (temp[i] == 'U')
                temp[i] = 'W';
            else if (temp[i] == 'V')
                temp[i] = 'X';
            else if (temp[i] == 'W')
                temp[i] = 'Y';
            else if (temp[i] == 'X')
                temp[i] = 'Z';
            else if (temp[i] == 'Y')
                temp[i] = 'A';
            else if (temp[i] == 'Z')
                temp[i] = 'B';
        }
        
        string cipher = new string (temp);
        return cipher;
    }
    private static string Decrypt(string x)
    {
        char[] temp = x.ToCharArray();
        for (int i = 0; i < x.Length; i++)
        {
            if (temp[i] == 'C')
                temp[i] = 'A';
            else if (temp[i] == 'D')
                temp[i] = 'B';
            else if (temp[i] == 'E')
                temp[i] = 'C';
            else if (temp[i] == 'F')
                temp[i] = 'D';
            else if (temp[i] == 'G')
                temp[i] = 'E';
            else if (temp[i] == 'H')
                temp[i] = 'F';
            else if (temp[i] == 'I')
                temp[i] = 'G';
            else if (temp[i] == 'J')
                temp[i] = 'H';
            else if (temp[i] == 'K')
                temp[i] = 'I';
            else if (temp[i] == 'L')
                temp[i] = 'J';
            else if (temp[i] == 'M')
                temp[i] = 'K';
            else if (temp[i] == 'N')
                temp[i] = 'L';
            else if (temp[i] == 'O')
                temp[i] = 'M';
            else if (temp[i] == 'P')
                temp[i] = 'N';
            else if (temp[i] == 'Q')
                temp[i] = 'O';
            else if (temp[i] == 'R')
                temp[i] = 'P';
            else if (temp[i] == 'S')
                temp[i] = 'Q';
            else if (temp[i] == 'T')
                temp[i] = 'R';
            else if (temp[i] == 'U')
                temp[i] = 'S';
            else if (temp[i] == 'V')
                temp[i] = 'T';
            else if (temp[i] == 'W')
                temp[i] = 'U';
            else if (temp[i] == 'X')
                temp[i] = 'V';
            else if (temp[i] == 'Y')
                temp[i] = 'W';
            else if (temp[i] == 'Z')
                temp[i] = 'X';
            else if (temp[i] == 'A')
                temp[i] = 'Y';
            else if (temp[i] == 'B')
                temp[i] = 'Z';
        }
        
        string cipher = new string (temp);
        return cipher;
    }
}

Cached Result
Last Run:	12:05:42 am
Compile:	0.109s
Execute:	0s
Memory:	0b
CPU:	0.016s

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