使用3DES加密算法对数据进行加密C#类

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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>
    /// 构造一个对称算法,使用3Des加密
    ///如果当前的 Key 属性为 NULL，可调用 GenerateKey 方法以创建新的随机 Key。 
    ///如果当前的 IV 属性为 NULL，可调用 GenerateIV 方法以创建新的随机 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字节的密钥对8字节数组进行3Des加密
        /// </summary>
        /// <param name="keys">密钥，16字节，128位</param>
        /// <param name="values">要加密的数组</param>
        /// <returns>已加密的数组</returns>
        public static byte[] CreateEncryptByte(byte[] keys, byte[] values)
        {
            TripleDESCryptoServiceProvider tdsc = new TripleDESCryptoServiceProvider();
            //指定密匙长度，默认为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;
            //进行加密转换运算
            ICryptoTransform ct = tdsc.CreateEncryptor();
            //8很关键，加密结果是8字节数组
            byte[] results = ct.TransformFinalBlock(values, 0, 8);

            return results;
        }
        /// <summary>
        /// 使用指定的128字节的密钥对字符串（8位）进行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>
        /// 对加密字符串进行解密
        /// </summary>
        /// <param name="keys">密匙</param>
        /// <param name="values">已加密字符串</param>
        /// <returns>解密结果</returns>
        public static byte[] CreateDescryptByte(byte[] keys, byte[] values)
        {
            TripleDESCryptoServiceProvider tdsc = new TripleDESCryptoServiceProvider();

            //指定密匙长度，默认为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;
            //进行加密转换运算
            ICryptoTransform ct = tdsc.CreateDecryptor();
            //8很关键，加密结果是8字节数组
            byte[] results = ct.TransformFinalBlock(values, 0, 8);

            return results;
        }
    }
}

4测试数据：

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