AES加密php,java,.net三种语言同步实现加密、解密

因工作需要，在使用aes解密时，因客户开发语言有多种，现在基本就是java,php,asp.net三种语言是主流，笔者对三种语言也算是研究多年了，有时客户总是问这问那的，就调试好了三种不同语言的AES加密工具类，这样也确保客户加密过来的数据服务器端可以正常解密。闲话少说了，贴出代码。：）

1、java版

/* * To change this license header, choose License Headers in PRoject Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */package com.totcms.api.util;import javax.crypto.Cipher;import javax.crypto.KeyGenerator;import javax.crypto.SecretKey;import javax.crypto.spec.SecretKeySpec;import java.io.FileInputStream;import java.io.UnsupportedEncodingException;import java.security.NoSuchAlgorithmException;import java.security.SecureRandom;import java.security.interfaces.RSAPrivateKey;import java.security.interfaces.RSAPublicKey;public class AES {    // /** 算法/模式/填充 **/    private static final String CipherMode = "AES/ECB/PKCS5Padding";    // private static final String CipherMode = "AES";    /**     * 生成一个AES密钥对象     * @return     */    public static SecretKeySpec generateKey(){		try {			KeyGenerator kgen = KeyGenerator.getInstance("AES");	        kgen.init(128, new SecureRandom());	        SecretKey secretKey = kgen.generateKey();  	        byte[] enCodeFormat = secretKey.getEncoded();  	        SecretKeySpec key = new SecretKeySpec(enCodeFormat, "AES");			return key;		} catch (NoSuchAlgorithmException e) {			e.printStackTrace();		}		return null;    }    /**     * 生成一个AES密钥字符串     * @return     */    public static String generateKeyString(){    	return byte2hex(generateKey().getEncoded());    }    /**     * 加密字节数据     * @param content     * @param key     * @return     */    public static byte[] encrypt(byte[] content,byte[] key) {        try {            Cipher cipher = Cipher.getInstance(CipherMode);            cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(key, "AES"));            byte[] result = cipher.doFinal(content);            return result;        } catch (Exception e) {            e.printStackTrace();        }        return null;    }    /**     * 通过byte[]类型的密钥加密String     * @param content     * @param key     * @return 16进制密文字符串     */    public static String encrypt(String content,byte[] key) {        try {            Cipher cipher = Cipher.getInstance(CipherMode);            cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(key, "AES"));            byte[] data = cipher.doFinal(content.getBytes("UTF-8"));            String result = byte2hex(data);            return result;        } catch (Exception e) {            e.printStackTrace();        }        return null;    }    /**     * 通过String类型的密钥加密String     * @param content     * @param key     * @return 16进制密文字符串     */    public static String encrypt(String content,String key) {        byte[] data = null;        try {            data = content.getBytes("UTF-8");        } catch (Exception e) {            e.printStackTrace();        }        data = encrypt(data,new SecretKeySpec(hex2byte(key), "AES").getEncoded());        String result = byte2hex(data);        return result;    }    /**     * 通过byte[]类型的密钥解密byte[]     * @param content     * @param key     * @return     */    public static byte[] decrypt(byte[] content,byte[] key) {        try {            Cipher cipher = Cipher.getInstance(CipherMode);            cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(key, "AES"));            byte[] result = cipher.doFinal(content);            return result;        } catch (Exception e) {            e.printStackTrace();        }        return null;    }    /**     * 通过String类型的密钥 解密String类型的密文     * @param content     * @param key     * @return     */    public static String decrypt(String content, String key) {        byte[] data = null;        try {            data = hex2byte(content);        } catch (Exception e) {            e.printStackTrace();        }        data = decrypt(data, hex2byte(key));        if (data == null)            return null;        String result = null;        try {            result = new String(data, "UTF-8");        } catch (UnsupportedEncodingException e) {            e.printStackTrace();        }        return result;    }    /**     * 通过byte[]类型的密钥 解密String类型的密文     * @param content     * @param key     * @return     */    public static String decrypt(String content,byte[] key) {    	try {            Cipher cipher = Cipher.getInstance(CipherMode);            cipher.init(Cipher.DECRYPT_MODE,new SecretKeySpec(key, "AES"));            byte[] data = cipher.doFinal(hex2byte(content));            return new String(data, "UTF-8");        } catch (Exception e) {            e.printStackTrace();        }        return null;    }    /**     * 字节数组转成16进制字符串     * @param b     * @return     */    public static String byte2hex(byte[] b) { // 一个字节的数，        StringBuffer sb = new StringBuffer(b.length * 2);        String tmp;        for (int n = 0; n < b.length; n++) {            // 整数转成十六进制表示            tmp = (Integer.toHexString(b[n] & 0XFF));            if (tmp.length() == 1) {                sb.append("0");            }            sb.append(tmp);        }        return sb.toString().toUpperCase(); // 转成大写    }    /**     * 将hex字符串转换成字节数组     * @param inputString     * @return     */    private static byte[] hex2byte(String inputString) {        if (inputString == null || inputString.length() < 2) {            return new byte[0];        }        inputString = inputString.toLowerCase();        int l = inputString.length() / 2;        byte[] result = new byte[l];        for (int i = 0; i < l; ++i) {            String tmp = inputString.substring(2 * i, 2 * i + 2);            result[i] = (byte) (Integer.parseInt(tmp, 16) & 0xFF);        }        return result;    }        public static void main(String[] args) {    	try{	    	// 加载RSA			//RSAPublicKey publicKey = RSA.loadPublicKey(new FileInputStream("E://2016//9//19//cert//apiclient_cert.p12"));			//RSAPrivateKey privateKey = RSA.loadPrivateKey(new FileInputStream("E://2016//9//19//cert//apiclient_cert.p12"));					// 生成AES密钥			 String key=AES.generateKeyString();			 //    			String key = "1234567890123456";			System.out.println("AES-KEY:" + key);					// 内容//			String content = "{/"mobile/":/"18660803982/",/"amount/":/"100/",/"companyId/":/"8/",/"orderNum/":/"123456789/",/"bussissId/":/"18154568754/",/"notifyUrl/":/"/"}";			String content = "{/"mobile/":/"15005414383/",/"amount/":/"10/",/"companyId/":/"8/",/"orderNum/":/"123456789/",/"notifyUrl/":/"/",/"bussissId/":/"1101/"}";						// 用RSA公钥加密AES-KEY			//String miKey = RSA.encryptByPublicKey(key, publicKey);			//System.out.println("加密后的AES-KEY:" + miKey);			//System.out.println("加密后的AES-KEY长度:" + miKey.length());					// 用RSA私钥解密AES-KEY			//String mingKey = RSA.decryptByPrivateKey(miKey, privateKey);			//System.out.println("解密后的AES-KEY:" + mingKey);			//System.out.println("解密后的AES-KEY长度:" + mingKey.length());					// 用AES加密内容			//String miContent = AES.encrypt(content, mingKey);            String miContent = AES.encrypt(content, "6369BE91F580F990015D709D4D69FA41");            			System.out.println("AES加密后的内容:" + miContent);					// 用AES解密内容			String mingContent = AES.decrypt(miContent, "6369BE91F580F990015D709D4D69FA41");			System.out.println("AES解密后的内容:" + mingContent);		    	}catch (Exception e) {    		e.printStackTrace();			// TODO: handle exception		}	}}
2、asp.net版
using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.IO;using System.Net;using System.Web;using System.Text.RegularExpressions;using System.Security.Cryptography;  namespace PostDemo{  public partial class Form1 : Form  {    public Form1()    {      InitializeComponent();    }       public static string AESEncrypts(String Data, String Key)    {      // 256-AES key            byte[] keyArray = HexStringToBytes(Key);//UTF8Encoding.ASCII.GetBytes(Key);      byte[] toEncryptArray = UTF8Encoding.ASCII.GetBytes(Data);      RijndaelManaged rDel = new RijndaelManaged();      rDel.Key = keyArray;      rDel.Mode = CipherMode.ECB;      rDel.Padding = PaddingMode.PKCS7;      ICryptoTransform cTransform = rDel.CreateEncryptor();      byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0,              toEncryptArray.Length);      return BytesToHexString(resultArray);    }        /// <summary>    /// Byte array to convert 16 hex string    /// </summary>    /// <param name="bytes">byte array</param>    /// <returns>16 hex string</returns>    public static string BytesToHexString(byte[] bytes)    {      StringBuilder returnStr = new StringBuilder();      if (bytes != null || bytes.Length == 0)      {        for (int i = 0; i < bytes.Length; i++)        {          returnStr.Append(bytes[i].ToString("X2"));        }      }      return returnStr.ToString();    }    /// <summary>    /// 16 hex string converted to byte array    /// </summary>    /// <param name="hexString">16 hex string</param>    /// <returns>byte array</returns>    public static byte[] HexStringToBytes(String hexString)    {      if (hexString == null || hexString.Equals(""))      {        return null;      }      int length = hexString.Length / 2;      if (hexString.Length % 2 != 0)      {        return null;      }      byte[] d = new byte[length];      for (int i = 0; i < length; i++)      {        d[i] = Convert.ToByte(hexString.Substring(i * 2, 2), 16);      }      return d;    }    private void button2_Click(object sender, EventArgs e)    {      String Content = tbContent.Text;//要加密的字符串	  //接口密钥，替换成您的密钥（32位）      String k = "6D6A39C7078F6783E561B0D1A9EB2E68";      String s = AESEncrypts(Content, k);      tbLog.AppendText("encript:"+s);    }    }}
3、php版
<?phpclass CryptAES{    protected $cipher = MCRYPT_RIJNDAEL_128;    protected $mode = MCRYPT_MODE_ECB;    protected $pad_method = NULL;    protected $secret_key = '';    protected $iv = '';     public function set_cipher($cipher)    {        $this->cipher = $cipher;    }     public function set_mode($mode)    {        $this->mode = $mode;    }     public function set_iv($iv)    {        $this->iv = $iv;    }     public function set_key($key)    {        $this->secret_key = $key;    }     public function require_pkcs5()    {        $this->pad_method = 'pkcs5';    }     protected function pad_or_unpad($str, $ext)    {        if ( is_null($this->pad_method) )        {            return $str;        }        else        {            $func_name = __CLASS__ . '::' . $this->pad_method . '_' . $ext . 'pad';            if ( is_callable($func_name) )            {                $size = mcrypt_get_block_size($this->cipher, $this->mode);                return call_user_func($func_name, $str, $size);            }        }        return $str;    }     protected function pad($str)    {        return $this->pad_or_unpad($str, '');    }     protected function unpad($str)    {        return $this->pad_or_unpad($str, 'un');    }     public function encrypt($str)    {        $str = $this->pad($str);        $td = mcrypt_module_open($this->cipher, '', $this->mode, '');         if ( empty($this->iv) )        {            $iv = @mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);        }        else        {            $iv = $this->iv;        }         mcrypt_generic_init($td, hex2bin($this->secret_key), $iv);        $cyper_text = mcrypt_generic($td, $str);        $rt = strtoupper(bin2hex($cyper_text));        mcrypt_generic_deinit($td);        mcrypt_module_close($td);         return $rt;    }     public function decrypt($str){        $td = mcrypt_module_open($this->cipher, '', $this->mode, '');         if ( empty($this->iv) )        {            $iv = @mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);        }        else        {            $iv = $this->iv;        }         mcrypt_generic_init($td, $this->secret_key, $iv);        //$decrypted_text = mdecrypt_generic($td, self::hex2bin($str));        $decrypted_text = mdecrypt_generic($td, base64_decode($str));        $rt = $decrypted_text;        mcrypt_generic_deinit($td);        mcrypt_module_close($td);         return $this->unpad($rt);    }     public static function hex2bin($hexdata) {        $bindata = '';        $length = strlen($hexdata);        for ($i=0; $i< $length; $i += 2)        {            $bindata .= chr(hexdec(substr($hexdata, $i, 2)));        }        return $bindata;    }     public static function pkcs5_pad($text, $blocksize)    {        $pad = $blocksize - (strlen($text) % $blocksize);        return $text . str_repeat(chr($pad), $pad);    }     public static function pkcs5_unpad($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 * $pad);    }}//密钥$keyStr = '6D6A39C7078F6783E561B0D1A9EB2E68';//加密的字符串$plainText = 'test'; $aes = new CryptAES();$aes->set_key($keyStr);$aes->require_pkcs5();$encText = $aes->encrypt($plainText); echo $encText; ?>上面三种语言，使用相当的密钥(key)，对同样字符串加密后的结果是一样的。加密过程通过上面代码也好理解，将先key转成16进制传递给加密函数对内容加密，然后将加密后的结果转成16进制字符串返回结果（要注意大小写，这里我统一返回大写的结果）。