AES加密解密php-java

jrgf

package com.weiphoto.util;

import java.security.Key;

import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;

import org.apache.commons.codec.binary.Base64;


/**
*
* <BR>
* 项目名称：WeiPhotoService</BR> <BR>
* 包名文件名：com.weiphoto.util ObaAesUtils.java </BR> <BR>
* 类名称： AES加密</BR> <BR>
* 类描述： TODO</BR> <BR>
* 创建人：王隐by632656576@qq.com</BR> <BR>
* 创建时间：2014-6-7上午9:53:03 </BR> <BR>
* 修改人：王隐 </BR> <BR>
* 修改时间：2014-6-7 上午9:53:03 </BR> <BR>
* 修改备注： </BR> <BR>
*
* @version </BR>
*
*/
public class ObaAesUtils {

    private static final String AESTYPE = "AES/ECB/PKCS5Padding";


    /**
     * 加密
     *
     * @param sSrc
     * @param sKey
     * @return
     * @throws Exception
     */
    public static String AES_Encrypt(String plainText, String keyStr) {
        byte[] encrypt = null;
        try {
            Key key = generateKey(keyStr);
            Cipher cipher = Cipher.getInstance(AESTYPE);
            cipher.init(Cipher.ENCRYPT_MODE, key);
            encrypt = cipher.doFinal(plainText.getBytes());
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        return new String(Base64.encodeBase64(encrypt));
    }


    /**
     * 解密
     *
     * @param keyStr
     * @param encryptData
     * @return
     */
    public static String AES_Decrypt(String encryptData, String keyStr) {
        byte[] decrypt = null;
        try {
            Key key = generateKey(keyStr);
            Cipher cipher = Cipher.getInstance(AESTYPE);
            cipher.init(Cipher.DECRYPT_MODE, key);
            decrypt = cipher.doFinal(Base64.decodeBase64(encryptData));
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        return new String(decrypt).trim();
    }


    private static Key generateKey(String key) throws Exception {
        try {
            SecretKeySpec keySpec = new SecretKeySpec(key.getBytes(), "AES");
            return keySpec;
        }
        catch (Exception e) {
            e.printStackTrace();
            throw e;
        }

    }


    public static void main(String[] args) {

        String keyStr = "UITN25LMUQC436IM";

        String plainText = "this is a string will be AES_Encrypt";

        String encText = AES_Encrypt(keyStr, plainText);
        String decString = AES_Decrypt(keyStr, encText);

        System.out.println(encText);
        System.out.println(decString);

    }
}





<?php
class 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);
} else
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, $this->secret_key, $iv);
$cyper_text = mcrypt_generic($td, $str);
$rt = base64_encode($cyper_text);
//$rt = bin2hex($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; $iamp < $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);
}
}
$keyStr = '6z07w5pd6z07w5pd';
$plainText = "门口年均sdfsd14545%^%&*{}()[]";
echo "<meta http-equiv='content-type' content='text/html; charset=UTF-8'>";
$aes = new CryptAES();
$aes->set_key($keyStr);
$aes->require_pkcs5();
//加密
$encText = $aes->encrypt($plainText);
//解密
$decString = $aes->decrypt($encText);
//echo $encText, "n", $decString;

echo "原始数据：" . $plainText;
echo "<br>加密后：";
echo $encText;
echo "<br>";
echo "<br>解密后：" . $decString;
?>