以下为php代码
<PRE class=PHP name="code"> </PRE><PRE class=PHP name="code">PHP加解密函数:</PRE><PRE class=PHP name="code"> </PRE><PRE class=PHP name="code"> function encrypt($string) {
//加密用的密钥文件
$key = "xxxxxxxx";
//加密方法
$cipher_alg = MCRYPT_TRIPLEDES;
//初始化向量来增加安全性
$iv = mcrypt_create_iv(mcrypt_get_iv_size($cipher_alg,MCRYPT_MODE_ECB), MCRYPT_RAND);
//开始加密
$encrypted_string = mcrypt_encrypt($cipher_alg, $key, $string, MCRYPT_MODE_ECB, $iv);
return base64_encode($encrypted_string);//转化成16进制
// return $encrypted_string;
}
function decrypt($string) {
$string = base64_decode($string);
//加密用的密钥文件
$key = "xxxxxxxx";
//加密方法
$cipher_alg = MCRYPT_TRIPLEDES;
//初始化向量来增加安全性
$iv = mcrypt_create_iv(mcrypt_get_iv_size($cipher_alg,MCRYPT_MODE_ECB), MCRYPT_RAND);
//开始解密
$decrypted_string = mcrypt_decrypt($cipher_alg, $key, $string, MCRYPT_MODE_ECB, $iv);
return trim($decrypted_string);
}</PRE>
以下为.net代码
using System;
using System.Security.Cryptography;
using System.Text; /**//// <SUMMARY>
/// Crypto3DES 的摘要说明。
/// </SUMMARY>
public class Crypto3DES
{
public Crypto3DES()
{
//
// TODO: 在此处添加构造函数逻辑
//
} private System.Text.Encoding encoding; /**//// <SUMMARY>
/// 获取密匙
/// </SUMMARY>
public string Key
{
get
{
return "xxxxxxxx";
}
} /**//// <SUMMARY>
/// 获取或设置加密解密的编码
/// </SUMMARY>
public System.Text.Encoding Encoding
{
get
{
if( encoding == null )
{
encoding = System.Text.Encoding.UTF8;
}
return encoding;
} set
{
encoding = value;
}
} /**//// <SUMMARY>
/// 加密
/// </SUMMARY>
/// <PARAM name="strString"></PARAM>
/// <PARAM name="strKey"></PARAM>
/// <PARAM name="encoding"></PARAM>
/// <RETURNS></RETURNS>
public string Encrypt3DES( string strString )
{
DESCryptoServiceProvider DES = new DESCryptoServiceProvider(); DES.Key = Encoding.GetBytes( this.Key );
DES.Mode = CipherMode.ECB;
DES.Padding = PaddingMode.Zeros; ICryptoTransform DESEncrypt = DES.CreateEncryptor(); byte[] Buffer = encoding.GetBytes(strString); return Convert.ToBase64String(DESEncrypt.TransformFinalBlock(Buffer, , Buffer.Length));
} /**//// <SUMMARY>
/// 解密
/// </SUMMARY>
/// <PARAM name="strString"></PARAM>
/// <PARAM name="strKey"></PARAM>
/// <RETURNS></RETURNS>
public string Decrypt3DES( string strString )
{
DESCryptoServiceProvider DES = new DESCryptoServiceProvider (); DES.Key = Encoding.UTF8.GetBytes( this.Key );
DES.Mode = CipherMode.ECB;
DES.Padding = PaddingMode.Zeros;
ICryptoTransform DESDecrypt = DES.CreateDecryptor(); byte[] Buffer = Convert.FromBase64String(strString);
return UTF8Encoding.UTF8.GetString( DESDecrypt.TransformFinalBlock(Buffer, , Buffer.Length) );
}
}