dea_des ecb模式 java php c#实现

1.java

package com.egame.fee.sdk.pc.util;import java.io.IOException;import java.io.UnsupportedEncodingException;import java.security.InvalidKeyException;import java.security.NoSuchAlgorithmException;import java.security.SecureRandom;import java.security.spec.InvalidKeySpecException;import javax.crypto.BadPaddingException;import javax.crypto.Cipher;import javax.crypto.IllegalBlockSizeException;import javax.crypto.NoSuchPaddingException;import javax.crypto.SecretKey;import javax.crypto.SecretKeyFactory;import javax.crypto.spec.DESKeySpec;import sun.misc.BASE64Decoder;import sun.misc.BASE64Encoder;public class SecretUtilTools {public static String encryptForDES(String souce, String key) throws InvalidKeyException,        NoSuchAlgorithmException, InvalidKeySpecException, NoSuchPaddingException,        IllegalBlockSizeException, BadPaddingException, UnsupportedEncodingException {// DES算法要求有一个可信任的随机数源SecureRandom sr = new SecureRandom();// 从原始密匙数据创建DESKeySpec对象DESKeySpec dks = new DESKeySpec(key.getBytes("UTF-8"));// 创建一个密匙工厂，然后用它把DESKeySpec转换成 一个SecretKey对象SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");SecretKey key1 = keyFactory.generateSecret(dks);// Cipher对象实际完成加密操作Cipher cipher = Cipher.getInstance("DES");// 用密匙初始化Cipher对象cipher.init(Cipher.ENCRYPT_MODE, key1, sr);// 现在，获取数据并加密byte encryptedData[] = cipher.doFinal(souce.getBytes("UTF-8"));// 通过BASE64位编码成字符创形式String base64Str = new BASE64Encoder().encode(encryptedData);return base64Str;}public static String decryptForDES(String souce, String key) throws InvalidKeyException,        NoSuchAlgorithmException, InvalidKeySpecException, NoSuchPaddingException, IOException,        IllegalBlockSizeException, BadPaddingException {// DES算法要求有一个可信任的随机数源SecureRandom sr = new SecureRandom();// 从原始密匙数据创建DESKeySpec对象DESKeySpec dks = new DESKeySpec(key.getBytes());// 创建一个密匙工厂，然后用它把DESKeySpec转换成 一个SecretKey对象SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");SecretKey key1 = keyFactory.generateSecret(dks);// Cipher对象实际完成加密操作Cipher cipher = Cipher.getInstance("DES");// 用密匙初始化Cipher对象cipher.init(Cipher.DECRYPT_MODE, key1, sr);// 将加密报文用BASE64算法转化为字节数组byte[] encryptedData = new BASE64Decoder().decodeBuffer(souce);// 用DES算法解密报文byte decryptedData[] = cipher.doFinal(encryptedData);return new String(decryptedData,"UTF-8");}}

2.php

<?php  class SecretUtilTools  {         //加密算法           function encryptForDES($input,$key)       {                $size = mcrypt_get_block_size('des','ecb');         $input = $this->pkcs5_pad($input, $size);         $td = mcrypt_module_open('des', '', 'ecb', '');         $iv = @mcrypt_create_iv (mcrypt_enc_get_iv_size($td), MCRYPT_RAND);         @mcrypt_generic_init($td, $key, $iv);         $data = mcrypt_generic($td, $input);         mcrypt_generic_deinit($td);         mcrypt_module_close($td);         $data = base64_encode($data);         return $data;      }       //解密算法          function decryptForDES($encrypted,$key)      {                $encrypted = base64_decode($encrypted);         $td = mcrypt_module_open('des','','ecb','');          //使用MCRYPT_DES算法,cbc模式         $iv = @mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);         $ks = mcrypt_enc_get_key_size($td);         @mcrypt_generic_init($td, $key, $iv);         //初始处理                        $decrypted = mdecrypt_generic($td, $encrypted);         //解密         mcrypt_generic_deinit($td);         //结束                      mcrypt_module_close($td);         $y=$this->pkcs5_unpad($decrypted);         return $y;         }                 function pkcs5_pad ($text, $blocksize)       {                $pad = $blocksize - (strlen($text) % $blocksize);         return $text . str_repeat(chr($pad), $pad);      }             function pkcs5_unpad($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);      }  }       ?>   

3.c#

using System;using System.IO;using System.Security.Cryptography;using System.Text;using System.Threading;public class SecretUtilTools  {    public string encryptForDES(string message, string key)    {        using (DESCryptoServiceProvider des = new DESCryptoServiceProvider())        {            byte[] inputByteArray = Encoding.UTF8.GetBytes(message);            des.Key = UTF8Encoding.UTF8.GetBytes(key);            des.IV = UTF8Encoding.UTF8.GetBytes(key);            des.Mode = System.Security.Cryptography.CipherMode.ECB;            System.IO.MemoryStream ms = new System.IO.MemoryStream();            using (CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write))            {                cs.Write(inputByteArray, 0, inputByteArray.Length);                cs.FlushFinalBlock();                cs.Close();            }            string str = Convert.ToBase64String(ms.ToArray());            ms.Close();            return str;        }    }    public string decryptForDES(string message, string key)    {        byte[] inputByteArray = Convert.FromBase64String(message);        using (DESCryptoServiceProvider des = new DESCryptoServiceProvider())        {            des.Key = UTF8Encoding.UTF8.GetBytes(key);            des.IV = UTF8Encoding.UTF8.GetBytes(key);            des.Mode = System.Security.Cryptography.CipherMode.ECB;            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;        }    }   }