php和c#一致的DES加密解密算法類分享
Jun 20, 2016 pm 01:05 PM
php和c#一致的DES加密解密算法類分享
DES加解密算法，在C#與PHP中的通用類。
注意：
1、類中的秘鑰key跟向量iv，均用的同樣的值
2、編碼均采用的utf-8
以下為具體代碼，可以直接復(fù)制去進(jìn)行實(shí)際測試
C#版代碼：
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;
//C# 版DES 加解密算法類
public class Des{
//加解密密鑰
private static string skey = "12345678";
#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);
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
#region DESDeCode DES解密
public static string DESDeCode(string pToDecrypt, string sKey)
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
byte[] inputByteArray = new byte[pToDecrypt.Length / 2];
for (int x = 0; x
<p><strong>PHP版代碼：</strong></p>
<pre class="brush:php;toolbar:false"><?php //PHP 版DES 加解密算法類
class DES {
var $key;
var $iv; //偏移量
function DES($key) {
//key長度為8位,例如:1234abcd
$this->key = $key;
$this->iv = $key; //默認(rèn)以$key 作為 iv
}
//加密
function encrypt($str) {
$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, $this->iv ) ) );
}
//解密
function decrypt($str) {
$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 ( $text ))
return false;
if (strspn ( $text, chr ( $pad ), strlen ( $text ) - $pad ) != $pad)
return false;
return substr ( $text, 0, - 1 * $pad );
}
}
header("Content-type: text/html; charset=utf-8");
$key = '12345678';
$str = 'abc.123';
$des = new DES($key);
$str_en_des = $des->encrypt($str); //加密字符串
$str_de_des = $des->decrypt($str_en_des); //解密字符串
echo '加密字符串：',$str,'<br>';
echo '加密秘鑰key：',$key,'<br><br>';
echo '加密后字符串：',$str_en_des,'<br>';
echo '解密后字符串：',$str_de_des,'<br>';
?>
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