php实现和c#一致的DES加密解密（php中调用方法）

忘是亡心i 2022-08-04 14:40 7阅读 0赞

php实现和c#一致的DES加密解密，可以从网上搜到一大堆，但是测试后发现都没法用。以下正确代码是我经过苦苦才找到的。希望大家在系统整合时能用的上。<p>注意：key的长度为8位以内。</p>
    //C# 版DES 加解密算法
    using System;   
    using System.Data;   
    using System.Configuration;   
    using System.Web;   
    using System.Web.Security;   
    using System.Web.UI;   
    using System.Web.UI.WebControls;   
    using System.Web.UI.WebControls.WebParts;   
    using System.Web.UI.HtmlControls;   
    using System.Data.SqlClient;   
    using System.Security.Cryptography;   
    using System.IO;   
    using System.Text;   
    public class Des{   
        //加解密密钥
        private static  string skey = "12345678";
        //初始化向量
        private static byte[] DESIV = { 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF }; 
      
                    #region DESEnCode DES加密   
                    public static string DESEnCode(string pToEncrypt, string sKey)   
                    {   
                        pToEncrypt = HttpContext.Current.Server.UrlEncode(pToEncrypt);   
                        DESCryptoServiceProvider des = new DESCryptoServiceProvider();   
                        byte[] inputByteArray = Encoding.GetEncoding("UTF-8").GetBytes(pToEncrypt);   
                   
                        //建立加密对象的密钥和偏移量    
                        //原文使用ASCIIEncoding.ASCII方法的GetBytes方法    
                        //使得输入密码必须输入英文文本    
                        des.Key = ASCIIEncoding.ASCII.GetBytes(sKey);   
                        des.IV = ASCIIEncoding.ASCII.GetBytes(sKey);   
                        MemoryStream ms = new MemoryStream();   
                        CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write);   
                   
                        cs.Write(inputByteArray, 0, inputByteArray.Length);   
                        cs.FlushFinalBlock();   
                   
                        StringBuilder ret = new StringBuilder();   
                        foreach (byte b in ms.ToArray())   
                        {   
                            ret.AppendFormat("{0:X2}", b);   
                        }   
                        ret.ToString();   
                        return ret.ToString();   
                    }  
                    #endregion  
                    /// <summary>
                    /// 
                    /// </summary>
                    /// <param name="pToDecrypt"> 待解密的字符串</param>
                    /// <param name="sKey"> 解密密钥,要求为8字节,和加密密钥相同</param>
                    /// <returns>解密成功返回解密后的字符串，失败返源串</returns>
                    #region DESDeCode DES解密
                    public static string DESDeCode(string pToDecrypt, string sKey)
                    {
                        //    HttpContext.Current.Response.Write(pToDecrypt + "<br>" + sKey);   
                        //    HttpContext.Current.Response.End();   
                        DESCryptoServiceProvider des = new DESCryptoServiceProvider();
                 
                        byte[] inputByteArray = new byte[pToDecrypt.Length / 2];
                        for (int x = 0; x < pToDecrypt.Length / 2; x++)
                        {
                            int i = (Convert.ToInt32(pToDecrypt.Substring(x * 2, 2), 16));
                            inputByteArray[x] = (byte)i;
                        }
                 
                        des.Key = ASCIIEncoding.ASCII.GetBytes(sKey);
                        des.IV = ASCIIEncoding.ASCII.GetBytes(sKey);
                        MemoryStream ms = new MemoryStream();
                        CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write);
                        cs.Write(inputByteArray, 0, inputByteArray.Length);
                        cs.FlushFinalBlock();
                 
                        StringBuilder ret = new StringBuilder();
                 
                        return HttpContext.Current.Server.UrlDecode(System.Text.Encoding.Default.GetString(ms.ToArray()));
                    }
        #endregion 
    }

<?php
    class DES
    {
    	var $key;
    	var $iv; //偏移量
    	
    	function DES( $key, $iv=0 ) {
    	//key长度8例如:1234abcd
    		$this->key = $key;
    		if( $iv == 0 ) {
    			$this->iv = $key; //默认以$key 作为 iv
    		} else {
    			$this->iv = $iv; //mcrypt_create_iv ( mcrypt_get_block_size (MCRYPT_DES, MCRYPT_MODE_CBC), MCRYPT_DEV_RANDOM );
    		}
    	}
    	
    	function encrypt($str) {
    	//加密，返回大写十六进制字符串
    		$size = mcrypt_get_block_size ( MCRYPT_DES, MCRYPT_MODE_CBC );
    		$str = $this->pkcs5Pad ( $str, $size );
    		return strtoupper( bin2hex( mcrypt_cbc(MCRYPT_DES, $this->key, $str, MCRYPT_ENCRYPT, $this->iv ) ) );
    	}
    	
    	function decrypt($str) {
    	//解密
    		$strBin = $this->hex2bin( strtolower( $str ) );
    		$str = mcrypt_cbc( MCRYPT_DES, $this->key, $strBin, MCRYPT_DECRYPT, $this->iv );
    		$str = $this->pkcs5Unpad( $str );
    		return $str;
    	}
    	
    	function hex2bin($hexData) {
    		$binData = "";
    		for($i = 0; $i < strlen ( $hexData ); $i += 2) {
    			$binData .= chr ( hexdec ( substr ( $hexData, $i, 2 ) ) );
    		}
    		return $binData;
    	}
    
    	function pkcs5Pad($text, $blocksize) {
    		$pad = $blocksize - (strlen ( $text ) % $blocksize);
    		return $text . str_repeat ( chr ( $pad ), $pad );
    	}
    	
    	function pkcs5Unpad($text) {
    		$pad = ord ( $text {strlen ( $text ) - 1} );
    		if ($pad > strlen ( $text ))
    			return false;
    		if (strspn ( $text, chr ( $pad ), strlen ( $text ) - $pad ) != $pad)
    			return false;
    		return substr ( $text, 0, - 1 * $pad );
    	}
    	
    }
    ?>

$desobj=new Des;
    $desobj -> Des();
    $pwd=$desobj->encrypt($pwd);//加密
    //$pwd=$desobj->decrypt($pwd);//解密
    //debug($pwd);
    
    try{//异常处理  如果不能成功链接soapserver 抛出异常
    	 $client=new \SoapClient('http://192.168.0.100/test/webservice/GetCRMDB.asmx?wsdl');//测试地址soap链接
    	 $h= array('UserId'=>'root', 'UserPW'=>'123456789');//soaphader验证传递的参数
    	 $headers = new \SoapHeader('http://tempuri.org/', 'MySoapHeader',$h);//soapheadr验证获取数据
    	 $status = $client->__setSoapHeaders(array($headers));
    	 $result= $client->CheckCustUser(array('UserName'=>$user,'PassWord'=>$pwd));//soap验证用户名和密码，返回true或false
    	 $result=array_values(get_object_vars($result)); 	
    	if($result[0]){//soap验证通过
    		return true;
    	 }	
    }catch (Exception $e){
    	show_msg("SoapServer链接失败！");
    	return false;
    }