AES 加解密 JAVA 与 PHP、Python 互通

直接上代码，拿来就能用那种！
Java 端 aes 加密代码，如下：

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

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

/**
 * 
 * @ClassName: AESToPhpUtil
 * @Description: AES与php互通加解密工具类
 * @author: Stone
 * @date: 2019年4月17日
 *
 */
public class AESToPhpUtil {
	// 约定加密规则
	private static final String KEY_ALGORITHM = "AES";
	private static final String DEFAULT_CIPHER_ALGORITHM = "AES/CBC/NoPadding";

	/**
	 * AES加密
	 * 
	 * @param data 待加密数据
	 * @param key 算法要求16位
	 * @param iv 算法要求16位
	 * @return
	 */
	public static String encryptData(String data, String key, String iv) {
		try {
			Cipher cipher = Cipher.getInstance(DEFAULT_CIPHER_ALGORITHM);
			int blockSize = cipher.getBlockSize();
			byte[] dataBytes = data.getBytes();
			int plaintextLength = dataBytes.length;
			if (plaintextLength % blockSize != 0) {
				plaintextLength = plaintextLength + (blockSize - (plaintextLength % blockSize));
			}
			byte[] plaintext = new byte[plaintextLength];
			System.arraycopy(dataBytes, 0, plaintext, 0, dataBytes.length);
			SecretKeySpec keyspec = new SecretKeySpec(key.getBytes(), KEY_ALGORITHM);
			IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes());
			cipher.init(Cipher.ENCRYPT_MODE, keyspec, ivspec);
			byte[] encrypted = cipher.doFinal(plaintext);
			return new String(Base64.encodeBase64(encrypted));
		} catch (Exception e) {
			e.printStackTrace();
		}
		return null;
	}

	/**
	 * AES解密
	 * 
	 * @param data 待加密数据
	 * @param key 算法要求16位
	 * @param iv 算法要求16位
	 * @return
	 */
	public static String decryptData(String data, String key, String iv) {
		try {
			byte[] encrypted = Base64.decodeBase64(data.getBytes());
			Cipher cipher = Cipher.getInstance(DEFAULT_CIPHER_ALGORITHM);
			SecretKeySpec keyspec = new SecretKeySpec(key.getBytes(), KEY_ALGORITHM);
			IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes());
			cipher.init(Cipher.DECRYPT_MODE, keyspec, ivspec);
			byte[] original = cipher.doFinal(encrypted);
			String originalString = new String(original);
			return originalString;
		} catch (Exception e) {
			e.printStackTrace();
		}
		return null;
	}

	public static void main(String[] args) {
		String secret = "1GStYafrhv7cBJ4KzXQPmEui63DO258N";
		String key = secret.substring(0, 16);// key值取密钥前16位（可以任意截取其中16位，只要和对接方约定好即可）
		String iv = secret.substring(16, 32);// 随机iv值取密钥后16位（可以任意截取其中16位，只要和对接方约定好即可）
		String data = "AES加解密JAVA与PHP互通";
		String enStr = AESToPhpUtil.encryptData(data, key, iv);
		System.out.println("加密后:" + enStr);
		String deStr = AESToPhpUtil.decryptData(enStr, key, iv);
		System.out.println("解密后:" + deStr);
	}

}
​

运行效果，如下：

加密后:I0E/I/D3xXJI18cfqJP8023ml6dC/F62IRJ8qVEh2Ew=
解密后:AES加解密JAVA与PHP互通
​

php 端加解密，如下：

<?php

 $secret = "1GStYafrhv7cBJ4KzXQPmEui63DO258N";
 $privateKey = substr($secret,0,15);  // key值取密钥前16位（可以任意截取其中16位，只要和对接方约定好即可）
 $iv    = substr($secret,16,32); // 随机iv值取密钥后16位（可以任意截取其中16位，只要和对接方约定好即可）
 $data  = "AES加解密JAVA与PHP互通";  
  
 //加密  
 $encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $privateKey, $data, MCRYPT_MODE_CBC, $iv);  
 echo(base64_encode($encrypted));  
 echo '<br/>';  
  
 //解密  
 $encryptedData = base64_decode(base64_encode($encrypted));  
 $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $privateKey, $encryptedData, MCRYPT_MODE_CBC, $iv);  
 echo($decrypted);  
?>
​

python 端加解密，如下：

# -*- coding:utf-8 -*-
import base64
from Crypto.Cipher import AES
import json

# 秘钥
key = "1GStYafrhv7cBJ4K"
iv = "zXQPmEui63DO258N"

def add_to_16(s):
    """
    判断str不是16的倍数,不足就补足为16的倍数
    :param s: 传入的原始字符串
    :return: 返回是16倍的字符串  bytes
    """
    while len(s) % 16 != 0:
        s += '\0'
    return str.encode(s)

def aes_encrypt(s):
    """
    AES加密
    :param s: 传入的原始字符串
    :return: 加密后字符串
    """
    aes = AES.new(add_to_16(key), AES.MODE_CBC, add_to_16(iv))  # 初始化加密器
    en = str(base64.encodebytes(aes.encrypt(add_to_16(s))), encoding='utf8').replace('\n', '')
    return en

def aes_descrypt(s):
    """
    AES解密
    :param s: 传入的原始字符串
    :return: 解密后字符串
    """
    aes = AES.new(add_to_16(key), AES.MODE_CBC, add_to_16(iv))  # 初始化加密器
    de = str(aes.decrypt(base64.decodebytes(bytes(s, encoding='utf8'))).rstrip(b'\0').decode("utf8"))
    return de

if __name__ == '__main__':
    data_str = "{'pageNo': 1, 'pageSize': 20}"  # 字符串
    data_dict = json.dumps(data_str)  # 字典
    en = aes_encrypt(data_dict)
    print("加密后的数据: " + en)
    de = aes_descrypt(en)
    print("解密后的数据: " + de)
​

有任何问题欢迎跟帖交流 0.0