顺丰三方接口对接AES加密示例

顺丰 AES 加密

项目背景

顺丰三方接口对接
python3 - AES 加密实现java中SHA1PRNG 算法
CryptAES.php

• Java 示例

  package com.sf.vsolution.hn.ydj.common.util;
  
  import org.apache.commons.lang3.StringUtils;
  import sun.misc.BASE64Decoder;
  import sun.misc.BASE64Encoder;
  
  import javax.crypto.Cipher;
  import javax.crypto.KeyGenerator;
  import javax.crypto.SecretKey;
  import javax.crypto.spec.SecretKeySpec;
  import java.security.SecureRandom;
  
  /**
   * @author zcz
   * @date 20190619
   * AES对称加密
   */
  public class AESUtils {
  
    public static String aesEncode(String encodeRules, String content,boolean throwEx){
        String result = null;
        try {
            result = aesEncode(encodeRules,content);
        }catch (Exception e){
            if(throwEx){
                throw  new RuntimeException(e);
            }else{
                System.out.println("==>解析异常");
            }
        }
        return result;
    }
  
  
    /**
     * 加密
     * 1.构造密钥生成器
     * 2.根据ecnodeRules规则初始化密钥生成器
     * 3.产生密钥
     * 4.创建和初始化密码器
     * 5.内容加密
     * 6.返回字符串
     */
    public static String aesEncode(String encodeRules, String content) throws Exception{
            if(content == null){
                content = "";
            }
            //1.构造密钥生成器，指定为AES算法,不区分大小写
            KeyGenerator keygen=KeyGenerator.getInstance("AES");
            //2.根据ecnodeRules规则初始化密钥生成器
            //生成一个128位的随机源,根据传入的字节数组
            SecureRandom secureRandom = SecureRandom.getInstance("SHA1PRNG" );
            secureRandom.setSeed(encodeRules.getBytes());
            keygen.init(128, secureRandom);
          //  keygen.init(128, new SecureRandom(encodeRules.getBytes()));
            //3.产生原始对称密钥
            SecretKey original_key=keygen.generateKey();
            //4.获得原始对称密钥的字节数组
            byte [] raw=original_key.getEncoded();
            //5.根据字节数组生成AES密钥
            SecretKey key=new SecretKeySpec(raw, "AES");
            //6.根据指定算法AES自成密码器
            Cipher cipher=Cipher.getInstance("AES");
            //7.初始化密码器，第一个参数为加密(Encrypt_mode)或者解密解密(Decrypt_mode)操作，第二个参数为使用的KEY
            cipher.init(Cipher.ENCRYPT_MODE, key);
            //8.获取加密内容的字节数组(这里要设置为utf-8)不然内容中如果有中文和英文混合中文就会解密为乱码
            byte [] byte_encode=content.getBytes("utf-8");
            //9.根据密码器的初始化方式--加密：将数据加密
            byte [] byte_AES=cipher.doFinal(byte_encode);
            //10.将加密后的数据转换为字符串
            //这里用Base64Encoder中会找不到包
            //解决办法：
            //在项目的Build path中先移除JRE System Library，再添加库JRE System Library，重新编译后就一切正常了。
            String AES_encode=new String(new BASE64Encoder().encode(byte_AES));
            //11.将字符串返回
            return AES_encode;
    }
    /**
     * 解密
     * 解密过程：
     * 1.同加密1-4步
     * 2.将加密后的字符串反纺成byte[]数组
     * 3.将加密内容解密
     */
    public static String aesDncode(String encodeRules, String content) throws Exception{
        if(StringUtils.isEmpty(content)){
            return "";
        }
            //1.构造密钥生成器，指定为AES算法,不区分大小写
            KeyGenerator keygen=KeyGenerator.getInstance("AES");
            //2.根据ecnodeRules规则初始化密钥生成器
            //生成一个128位的随机源,根据传入的字节数组
            SecureRandom secureRandom = SecureRandom.getInstance("SHA1PRNG" );
            secureRandom.setSeed(encodeRules.getBytes());
            keygen.init(128, secureRandom);
           // keygen.init(128, new SecureRandom(encodeRules.getBytes()));
            //3.产生原始对称密钥
            SecretKey original_key=keygen.generateKey();
            //4.获得原始对称密钥的字节数组
            byte [] raw=original_key.getEncoded();
            //5.根据字节数组生成AES密钥
            SecretKey key=new SecretKeySpec(raw, "AES");
            //6.根据指定算法AES自成密码器
            Cipher cipher=Cipher.getInstance("AES");
            //7.初始化密码器，第一个参数为加密(Encrypt_mode)或者解密(Decrypt_mode)操作，第二个参数为使用的KEY
            cipher.init(Cipher.DECRYPT_MODE, key);
            //8.将加密并编码后的内容解码成字节数组
            byte [] byte_content= new BASE64Decoder().decodeBuffer(content);
            /*
             * 解密
             */
            byte [] byte_decode=cipher.doFinal(byte_content);
            String AES_decode=new String(byte_decode,"utf-8");
            return AES_decode;
        //如果有错就返加nulll
    }
  }

• Php 示例

  <?php
  class CryptAES
  {
    private function _pkcs5Pad($text, $blockSize)
    {
        $pad = $blockSize - (strlen($text) % $blockSize);
        return $text . str_repeat(chr($pad), $pad);
    }
  
    private function _pkcs5Unpad($text)
    {
        $end = substr($text, -1);
        $last = ord($end);
        $len = strlen($text) - $last;
        if (substr($text, $len) == str_repeat($end, $last)) {
            return substr($text, 0, $len);
        }
        return false;
    }
  
    public function encrypt($encrypt, $key)
    {
        $blockSize = @mcrypt_get_block_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB);
        $paddedData = $this->_pkcs5Pad($encrypt, $blockSize);
        $ivSize = @mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB);
        $iv = @mcrypt_create_iv($ivSize, MCRYPT_RAND);
        $key2 = substr(openssl_digest(openssl_digest($key, 'sha1', true), 'sha1', true), 0, 16);
        $encrypted = @mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $key2, $paddedData, MCRYPT_MODE_ECB, $iv);
        return base64_encode($encrypted);
    }
  
    public function decrypt($decrypt, $key)
    {
        $decrypt = base64_decode($decrypt);
        $decoded = $decrypt;
        $blockSize = @mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB);
        $ivSize = @mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB);
        $iv = @mcrypt_create_iv($ivSize, MCRYPT_RAND);
        $key2 = substr(openssl_digest(openssl_digest($key, 'sha1', true), 'sha1', true), 0, 16);
        $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $key2, $decoded, MCRYPT_MODE_ECB, $iv);
        return $this->_pkcs5Unpad($decrypted);
    }
  }

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