TripleDESの適当　暗号化/複合　サンプル

適当にコードしか書かないという、しかも変数名もてきとー

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            var aaa = "llllllkkkkkkkklllll";
            var provider = new TripleDESCryptoServiceProvider();
            provider.Key = new byte[] { 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01 };
            provider.IV = new byte[] { 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01 };
            var msbuffer = new byte[9999];
            int writebytelength;
            using (var ms = new MemoryStream(msbuffer))
            {
                using (var cs = new CryptoStream(ms, provider.CreateEncryptor(), CryptoStreamMode.Write))
                {
                    var writebytes = Encoding.Unicode.GetBytes(aaa);
                    writebytelength = writebytes.Length;
                    cs.Write(writebytes, 0, writebytes.Length);
                }
            }
            using (var ms = new MemoryStream(msbuffer))
            {
                
                using (var cs = new CryptoStream(ms, provider.CreateDecryptor(), CryptoStreamMode.Read))
                {
                    byte[] readbuffer = new byte[99999];
                    cs.Read(readbuffer, 0, writebytelength);
                    var result = Encoding.Unicode.GetString(readbuffer);
                    Console.Write(result);
                }

            }
        }
    }
}

投稿日時 : 2008年8月24日 23:27