啥也不说，直接上代码。
加密解码，封装到一个类，key可以自己修改。
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using
System; using
System.Security.Cryptography; using
System.Text; using
System.IO; namespace
Common ...{ /**//// <summary> /// DESEncrypt加密解密算法。 /// </summary> public
sealed class DESEncrypt ...{ private
DESEncrypt() ...{ // // TODO: 在此处添加构造函数逻辑 // } private
static string key = "joke168"; /**//// <summary> /// 对称加密解密的密钥 /// </summary> public
static string Key ...{ get ...{ return
key; } set ...{ key = value; } } /**//// <summary> /// DES加密 /// </summary> /// <param name="encryptString"></param> /// <returns></returns> public
static string DesEncrypt(string
encryptString) ...{ byte[] keyBytes = Encoding.UTF8.GetBytes(key.Substring(0, 8)); byte[] keyIV = keyBytes; byte[] inputByteArray = Encoding.UTF8.GetBytes(encryptString); DESCryptoServiceProvider provider = new
DESCryptoServiceProvider(); MemoryStream mStream = new
MemoryStream(); CryptoStream cStream = new
CryptoStream(mStream, provider.CreateEncryptor(keyBytes, keyIV), CryptoStreamMode.Write); cStream.Write(inputByteArray, 0, inputByteArray.Length); cStream.FlushFinalBlock(); return
Convert.ToBase64String(mStream.ToArray()); } /**//// <summary> /// DES解密 /// </summary> /// <param name="decryptString"></param> /// <returns></returns> public
static string DesDecrypt(string
decryptString) ...{ byte[] keyBytes = Encoding.UTF8.GetBytes(key.Substring(0, 8)); byte[] keyIV = keyBytes; byte[] inputByteArray = Convert.FromBase64String(decryptString); DESCryptoServiceProvider provider = new
DESCryptoServiceProvider(); MemoryStream mStream = new
MemoryStream(); CryptoStream cStream = new
CryptoStream(mStream, provider.CreateDecryptor(keyBytes, keyIV), CryptoStreamMode.Write); cStream.Write(inputByteArray, 0, inputByteArray.Length); cStream.FlushFinalBlock(); return
Encoding.UTF8.GetString(mStream.ToArray()); } } } |
欢迎批评指正。
原文：http://www.cnblogs.com/joke168/p/3546263.html