php
class JoDES {
private static $_instance = NULL;
/**
* @return JoDES
*/
public static function share() {
if (is_null(self::$_instance)) {
self::$_instance = new JoDES();
}
return self::$_instance;
}
/**
* 加密
* @param string $str 要处理的字符串
* @param string $key 加密Key，为8个字节长度
* @return string
*/
public function encode($str, $key) {
$size = mcrypt_get_block_size(MCRYPT_DES, MCRYPT_MODE_CBC);
$str = $this->pkcs5Pad($str, $size);
$aaa = mcrypt_cbc(MCRYPT_DES, $key, $str, MCRYPT_ENCRYPT, $key);
$ret = base64_encode($aaa);
return $ret;
}
/**
* 解密
* @param string $str 要处理的字符串
* @param string $key 解密Key，为8个字节长度
* @return string
*/
public function decode($str, $key) {
$strBin = base64_decode($str);
$str = mcrypt_cbc(MCRYPT_DES, $key, $strBin, MCRYPT_DECRYPT, $key);
$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);
}
}C#
public class MyDes
{
/// <summary>
/// DES加密方法
/// </summary>
/// <param>明文
/// <param>密钥
/// <param>向量
/// <returns>密文</returns>
public static string Encode(string source, string _DESKey)
{
StringBuilder sb = new StringBuilder();
using (DESCryptoServiceProvider des = new DESCryptoServiceProvider())
{
byte[] key = ASCIIEncoding.ASCII.GetBytes(_DESKey);
byte[] iv = ASCIIEncoding.ASCII.GetBytes(_DESKey);
byte[] dataByteArray = Encoding.UTF8.GetBytes(source);
des.Mode = System.Security.Cryptography.CipherMode.CBC;
des.Key = key;
des.IV = iv;
string encrypt = "";
using (MemoryStream ms = new MemoryStream())
using (CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write))
{
cs.Write(dataByteArray, 0, dataByteArray.Length);
cs.FlushFinalBlock();
encrypt = Convert.ToBase64String(ms.ToArray());
}
return encrypt;
}
}
/// <summary>
/// 进行DES解密。
/// </summary>
/// <param>要解密的base64串
/// <param>密钥，且必须为8位。
/// <returns>已解密的字符串。</returns>
public static string Decode(string source, string sKey)
{
byte[] inputByteArray = System.Convert.FromBase64String(source);//Encoding.UTF8.GetBytes(source);
using (DESCryptoServiceProvider des = new DESCryptoServiceProvider())
{
des.Key = ASCIIEncoding.ASCII.GetBytes(sKey);
des.IV = ASCIIEncoding.ASCII.GetBytes(sKey);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
using (CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write))
{
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
cs.Close();
}
string str = Encoding.UTF8.GetString(ms.ToArray());
ms.Close();
return str;
}
}
}
