使用3DES加密算法對數據進行加密C#類

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Security.Cryptography;

namespace Rare.Card.Libary.Security
{
    /// <summary>
    /// 構造一個對稱算法,使用3Des加密
    ///如果當前的 Key 屬性為 NULL，可調用 GenerateKey 方法以創建新的隨機 Key。 
    ///如果當前的 IV 屬性為 NULL，可調用 GenerateIV 方法以創建新的隨機 IV
    /// </summary>
    public class CryptoTripleDes
    {
        //加密矢量
        private static byte[] IV = { 0xB0, 0xA2, 0xB8, 0xA3, 0xDA, 0xCC, 0xDA, 0xCC };
        /// <summary>
        /// 使用指定的128字節的密鑰對8字節數組進行3Des加密
        /// </summary>
        /// <param name="keys">密鑰，16字節，128位</param>
        /// <param name="values">要加密的數組</param>
        /// <returns>已加密的數組</returns>
        public static byte[] CreateEncryptByte(byte[] keys, byte[] values)
        {
            TripleDESCryptoServiceProvider tdsc = new TripleDESCryptoServiceProvider();
            //指定密匙長度，默認為192位
            tdsc.KeySize = 128;
            //使用指定的key和IV（加密向量）
            tdsc.Key = keys;
            tdsc.IV = IV;
            //加密模式，偏移
            tdsc.Mode = CipherMode.ECB;
            tdsc.Padding = PaddingMode.None;
            //進行加密轉換運算
            ICryptoTransform ct = tdsc.CreateEncryptor();
            //8很關鍵，加密結果是8字節數組
            byte[] results = ct.TransformFinalBlock(values, 0, 8);

            return results;
        }
        /// <summary>
        /// 使用指定的128字節的密鑰對字符串（8位）進行3Des加密
        /// </summary>
        /// <param name="strKey"></param>
        /// <param name="strValue"></param>
        /// <returns></returns>
        public static byte[] CreateEncryptString(string strKey, string strValue)
        {
            TripleDESCryptoServiceProvider tdsc = new TripleDESCryptoServiceProvider();
            byte[] results = new byte[strValue.Length];
            tdsc.KeySize = 128;
            if (!string.IsNullOrEmpty(strKey))
            {
                tdsc.Key = Encoding.UTF8.GetBytes(strKey);
            }
            tdsc.IV = IV;
            using (ICryptoTransform ct = tdsc.CreateDecryptor())
            {
                byte[] byt = Encoding.UTF8.GetBytes(strValue);
                results = ct.TransformFinalBlock(byt, 0, 8);
            }
            return results;
        }
        /// <summary>
        /// 對加密字符串進行解密
        /// </summary>
        /// <param name="keys">密匙</param>
        /// <param name="values">已加密字符串</param>
        /// <returns>解密結果</returns>
        public static byte[] CreateDescryptByte(byte[] keys, byte[] values)
        {
            TripleDESCryptoServiceProvider tdsc = new TripleDESCryptoServiceProvider();

            //指定密匙長度，默認為192位
            tdsc.KeySize = 128;
            //使用指定的key和IV（加密向量）
            tdsc.Key = keys;
            tdsc.IV = IV;
            //加密模式，偏移
            tdsc.Mode = CipherMode.ECB;
            tdsc.Padding = PaddingMode.None;
            //進行加密轉換運算
            ICryptoTransform ct = tdsc.CreateDecryptor();
            //8很關鍵，加密結果是8字節數組
            byte[] results = ct.TransformFinalBlock(values, 0, 8);

            return results;
        }
    }
}

 

4測試數據：

16字節密鑰:0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f,0x30
對：0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88 八字節明文作3DES加密
得出如下8字節密文：0x3c,0x46,0xea,0x28,0x2f,0xdb,0x64,0x00