Bitcoin Forum

using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;

namespace ConsoleApplication1
{
	class Program
	{
		static void Main(string[] args)
		{
			/*
			 Address: 1FezVeQ2unSiCbKwP9UArahNoMwaprCAyJ
			 Privkey: 5JWLNT79k1Ao4yk1j9fj5zQNRuEVrpUi4hsn2v8oFNfTjPM8Wqf
			 */
			String key = "5JWLNT79k1Ao4yk1j9fj5zQNRuEVrpUi4hsn2v8oFNfTjPM8Wqf";
			String inc = ""; 

			for (int i = 0; i < key.Length; i++)
			{
				 inc += (char)((byte)key[i] + 1);
			}
			key = inc;
			inc = "";

			byte[] bytes = Encoding.ASCII.GetBytes(key);

			BitArray bits = new BitArray(bytes);
			int bit7len = (bits.Length / 8) * 7;
			while (bit7len % 8 != 0)
			{
				bit7len++;
			}
			BitArray bit7 = new BitArray(bit7len);

			int j = 0;
			int k = 0;
			foreach (bool bit in bits)
			{
				if (j != 7)
				{
					bit7[k] = bit;
					k++;
				}
				j++;
				if (j == 8) j = 0;
			}

			byte[] ret = new byte[bit7.Length / 8];
			bit7.CopyTo(ret, 0);

			Console.WriteLine(Convert.ToBase64String(ret));

			Console.ReadLine();
		}
	}
}