现在有个java的加解密程序,需要改成php的方法来实现
现在有对方的java加密程序程序,但是百度找的php加密程序得出的加过总是对不上号
相关代码
java的是
package com.picc.web.common.utils;
import javax.crypto.*;
import javax.crypto.spec.SecretKeySpec;
import java.io.UnsupportedEncodingException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
/**
* AES加密
*
* @author 夏祥
*
*/
public class AESUtils {
public static final String AESKey = "key2019";
/**
* AES加密方法
*
* @param content
* @return
*/
public static String encrypt(String content) {
try {
KeyGenerator kgen = KeyGenerator.getInstance("AES");// 创建AES的Key生产者
kgen.init(128, new SecureRandom(AESKey.getBytes()));// 利用用户密码作为随机数初始化出
// 加密没关系,SecureRandom是生成安全随机数序列,password.getBytes()是种子,只要种子相同,序列就一样,所以解密只要有password就行
SecretKey secretKey = kgen.generateKey();// 根据用户密码,生成一个密钥
byte[] enCodeFormat = secretKey.getEncoded();// 返回基本编码格式的密钥,如果此密钥不支持编码,则返回
SecretKeySpec key = new SecretKeySpec(enCodeFormat, "AES");// 转换为AES专用密钥
Cipher cipher = Cipher.getInstance("AES");// 创建密码器
byte[] byteContent = content.getBytes("UTF-8");
cipher.init(Cipher.ENCRYPT_MODE, key);// 初始化为加密模式的密码器
byte[] result = cipher.doFinal(byteContent);// 加密
return AESUtils.parseByte2HexStr(result);
} catch (NoSuchPaddingException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (InvalidKeyException e) {
e.printStackTrace();
} catch (IllegalBlockSizeException e) {
e.printStackTrace();
} catch (BadPaddingException e) {
e.printStackTrace();
}
return null;
}
/**
* AES解密
*
* @param encrypt
* @return
*/
public static String decrypt(String encrypt) {
try {
// 如果的到的是16进制密文,别忘了先转为2进制再解密
byte[] content = AESUtils.parseHexStr2Byte(encrypt);
KeyGenerator kgen = KeyGenerator.getInstance("AES");// 创建AES的Key生产者
kgen.init(128, new SecureRandom(AESKey.getBytes()));
SecretKey secretKey = kgen.generateKey();// 根据用户密码,生成一个密钥
byte[] enCodeFormat = secretKey.getEncoded();// 返回基本编码格式的密钥
SecretKeySpec key = new SecretKeySpec(enCodeFormat, "AES");// 转换为AES专用密钥
Cipher cipher = Cipher.getInstance("AES");// 创建密码器
cipher.init(Cipher.DECRYPT_MODE, key);// 初始化为解密模式的密码器
byte[] result = cipher.doFinal(content);
return new String(result,"UTF-8"); // 明文
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (NoSuchPaddingException e) {
e.printStackTrace();
} catch (InvalidKeyException e) {
e.printStackTrace();
} catch (IllegalBlockSizeException e) {
e.printStackTrace();
} catch (BadPaddingException e) {
e.printStackTrace();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return null;
}
/**
* 将二进制转换成16进制
*
* @param buf
* @return
*/
public static String parseByte2HexStr(byte buf[]) {
StringBuffer sb = new StringBuffer();
for (int i = 0; i < buf.length; i++) {
String hex = Integer.toHexString(buf[i] & 0xFF);
if (hex.length() == 1) {
hex = '0' + hex;
}
sb.append(hex.toUpperCase());
}
return sb.toString();
}
/**
* 将16进制转换为二进制
*
* @param hexStr
* @return
*/
public static byte[] parseHexStr2Byte(String hexStr) {
if (hexStr.length() < 1)
return null;
byte[] result = new byte[hexStr.length() / 2];
for (int i = 0; i < hexStr.length() / 2; i++) {
int high = Integer.parseInt(hexStr.substring(i * 2, i * 2 + 1), 16);
int low = Integer.parseInt(hexStr.substring(i * 2 + 1, i * 2 + 2),
16);
result[i] = (byte) (high * 16 + low);
}
return result;
}
public static void main(String[] args){
// D:\java\cs>javac -encoding UTF-8 AESUtils.java
// D:\java\cs>java AESUtils.java
AESUtils aes = new AESUtils();
String encrypt_str = aes.encrypt("abc123");
System.out.println("encrypt_str : " + encrypt_str);
// String decrypt_str = aes.decrypt(encrypt_str);
// System.out.println("decrypt_str : " + decrypt_str);
}
}
结果是B389C9F38EFF2F97F22F764CC25FCB2C
然后找到了两个php的AES加密方法
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);
}
}
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; $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);
}
}
$keyStr = 'key2019';
$plainText = 'abc123';
$aes = new CryptAES();
$aes->set_key($keyStr);
$aes->require_pkcs5();
$encText = $aes->encrypt($plainText);
$decString = $aes->decrypt($encText);
// D:\www\cs\encrypt>php cryptAES.php
echo $encText, "\n".'<hr />', $decString;
结果是 GIjvEh210Q2EUux+2YxEtQ==
另一个是
/**
* AES/CBC/PKCS5Padding Encrypter
*
* @param $str
* @param $key
* @return string
*/
function encrypt($str, $key)
{
$zeroPack = pack('i*', 0);
$iv = str_repeat($zeroPack, 4);
mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC), MCRYPT_RAND);
$key = md5($key);
// $key = substr($key, 8, 16);
$encryptedStr = mcrypt_encrypt(
MCRYPT_RIJNDAEL_128,
hex2bin($key),
pkcs5_pad($str, mcrypt_get_block_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC)),
MCRYPT_MODE_CBC,
$iv)
;
return bin2hex($encryptedStr);
}
/**
* AES/CBC/PKCS5Padding Decrypter
*
* @param $encryptedStr
* @param $key
* @return string
*/
function decrypt($encryptedStr, $key)
{
$zeroPack = pack('i*', 0);
$iv = str_repeat($zeroPack, 4);
return pkcs5_unpad(mcrypt_decrypt(
MCRYPT_RIJNDAEL_128,
hex2bin(md5($key)),
hex2bin($encryptedStr),
MCRYPT_MODE_CBC,
$iv
));
}
function pkcs5_pad($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);
}
$key = 'key2019';
$str = 'abc123';
// D:\www\cs\encrypt>php aes_cbc_mcrypt.php
$encrypt = encrypt($str, $key);
$decrypt = decrypt(encrypt($str, $key), $key);
// var_dump($str, $encrypt, $decrypt);
echo $encrypt, "\n".'<hr />', $decrypt;
结果是 86e373b92cf0be2e9a005fa3fd05e98a
看了下,明天帮你解决,来得及么