有哪些兼容PHP和Java的des加密解密代码

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php代码:

key = $key;                if($iv == 0)                {                        $this->iv = $key;                }                else                 {                        $this->iv = $iv;                }        }         //加密        function encrypt($str)        {                               $size = mcrypt_get_block_size ( MCRYPT_DES, MCRYPT_MODE_CBC );                $str = $this->pkcs5Pad ( $str, $size );                 $data=mcrypt_cbc(MCRYPT_DES, $this->key, $str, MCRYPT_ENCRYPT, $this->iv);                //$data=strtoupper(bin2hex($data)); //返回大写十六进制字符串                return base64_encode($data);        }         //解密        function decrypt($str)        {                $str = base64_decode ($str);                //$strBin = $this->hex2bin( strtolower($str));                $str = mcrypt_cbc(MCRYPT_DES, $this->key, $str, 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 = 'abcd';$key= 'asdfwef5';$crypt = new DES($key);$mstr = $crypt->encrypt($str);$str = $crypt->decrypt($mstr); echo $str.' <=> '.$mstr; ?>

java代码:

package com.test; import it.sauronsoftware.base64.Base64; import java.security.Key;import java.security.SecureRandom;import java.security.spec.AlgorithmParameterSpec; import javax.crypto.Cipher;import javax.crypto.SecretKeyFactory;import javax.crypto.spec.DESKeySpec;import javax.crypto.spec.IvParameterSpec; public class Main{ public static final String ALGORITHM_DES = "DES/CBC/PKCS5Padding"; /**  * DES算法，加密  *  * @param data 待加密字符串  * @param key 加密私钥，长度不能够小于8位  * @return 加密后的字节数组，一般结合Base64编码使用  * @throws CryptException 异常  */ public static String encode(String key,String data) throws Exception {  return encode(key, data.getBytes()); } /**  * DES算法，加密  *  * @param data 待加密字符串  * @param key 加密私钥，长度不能够小于8位  * @return 加密后的字节数组，一般结合Base64编码使用  * @throws CryptException 异常  */ public static String encode(String key,byte[] data) throws Exception {  try  {           DESKeySpec dks = new DESKeySpec(key.getBytes());            SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");   //key的长度不能够小于8位字节   Key secretKey = keyFactory.generateSecret(dks);   Cipher cipher = Cipher.getInstance(ALGORITHM_DES);   IvParameterSpec iv = new IvParameterSpec(key.getBytes());   AlgorithmParameterSpec paramSpec = iv;   cipher.init(Cipher.ENCRYPT_MODE, secretKey,paramSpec);    byte[] bytes = cipher.doFinal(data);  //   return byte2hex(bytes);   return new String(Base64.encode(bytes));  } catch (Exception e)  {   throw new Exception(e);  } }  /**  * DES算法，解密  *  * @param data 待解密字符串  * @param key 解密私钥，长度不能够小于8位  * @return 解密后的字节数组  * @throws Exception 异常  */ public static byte[] decode(String key,byte[] data) throws Exception {  try  {      SecureRandom sr = new SecureRandom();           DESKeySpec dks = new DESKeySpec(key.getBytes());           SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");   //key的长度不能够小于8位字节   Key secretKey = keyFactory.generateSecret(dks);   Cipher cipher = Cipher.getInstance(ALGORITHM_DES);   IvParameterSpec iv = new IvParameterSpec(key.getBytes());   AlgorithmParameterSpec paramSpec = iv;   cipher.init(Cipher.DECRYPT_MODE, secretKey,paramSpec);   return cipher.doFinal(data);  } catch (Exception e)  {   throw new Exception(e);  } }  /**  * 获取编码后的值  * @param key  * @param data  * @return  * @throws Exception  */ public static String decodeValue(String key,String data)  {   byte[] datas;   String value = null;                try {                    datas = decode(key, Base64.decode(data.getBytes()));                         value = new String(datas);                } catch (Exception e) {                        value = "";                }   return value; }  public static void main(String[] args) throws Exception {   System.out.println("明：abcd ；密：" + Main.encode("asdfwef5","abcd")); }}

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高强度密码生成器：http://tools.jb51.net/password/CreateStrongPassword

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