c# php des

c#:

    public class DES
    {
        //加解密密鑰
        //private static string skey = "12345678";
        //初始化向量
        private static byte[] DESIV = { 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF };

        /// <summary>
        /// DESEnCode DES加密
        /// </summary>
        /// <param name=”pToEncrypt”></param>
        /// <param name=”sKey”></param>
        /// <returns></returns>
        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);

            //建立加密對象的密鑰和偏移量   
            //原文使用ASCIIEncoding.ASCII方法的GetBytes方法   
            //使得輸入密碼必須輸入英文文本   
            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();
        }
       
        /// <summary>
        /// DESDeCode DES解密
        /// </summary>
        /// <param name=”pToDecrypt”> 待解密的字符串</param>
        /// <param name=”sKey”> 解密密鑰,要求爲8字節,和加密密鑰相同</param>
        /// <returns>解密成功返回解密後的字符串，失敗返源串</returns>       
        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 System.Text.Encoding.Default.GetString(ms.ToArray());
            //return HttpContext.Current.Server.UrlDecode(System.Text.Encoding.Default.GetString(ms.ToArray()));
        }
    }

php:

<?php
// s777n.net
class DES {
	var $key;
	var $iv; // 偏移量
	
	function DES($key, $iv = 0) {
		// key長度8例如:1234abcd
		$this->key = $key;
		if ($iv == 0) {
			$this->iv = $key;
		} else {
			$this->iv = $iv; // mcrypt_create_iv ( mcrypt_get_block_size
			                 // (MCRYPT_DES, MCRYPT_MODE_CBC), MCRYPT_DEV_RANDOM );
		}
	}
	
	function encrypt($str) {
		// 加密，返回大寫十六進制字符串
		$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 );
	}

}

/*
$str = '123456789';

$key = '1234abcd';
$crypt = new DES ( $key );
$mstr = $crypt->encrypt ( $str );
$str = $crypt->decrypt ( $mstr );

echo $str . ' <=> ' . $mstr;
*/

$str = '6BB3151AA457962A';

$key = '1234abcd';
$crypt = new DES ( $key );
$str = $crypt->decrypt ( $str );

echo $str ;

?>