php 加密示例与说明

Bashuslovakia 2022-08-01 原文

PHP加密

  $param = array("test"=>"4564654564564564564","word"=>"CCC001");
  $url = "http://XXXXXXXX.cc/getList";
  $key = "jfdiiek08fdsf9+DW";
  $data = encrypt(json_encode($param),$key);
  $post = array("data"=>$data);
  $ch = curl_init();
  curl_setopt($ch, CURLOPT_POST, 1);    //设置为POST方式
  curl_setopt($ch, CURLOPT_URL, $url); //设置链接
  curl_setopt($ch, CURLOPT_POSTFIELDS, $post);  //POST数据
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);  //设置是否返回信息
  curl_setopt($ch, CURLOPT_HEADER, 0); //设置HTTP头
  $response = curl_exec($ch);          //接收返回信息
  curl_close($ch);                     //关闭curl链接
  $rcv = decrypt(json_decode($response)->data,$key);    // 解析返回信息
function pkcs5Pad($text) {
  $cipher = MCRYPT_RIJNDAEL_128;
  $modes = MCRYPT_MODE_ECB;
  $blocksize = mcrypt_get_block_size ( $cipher, $modes );
  $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 * $pad);
}
// 报文加密
function encrypt($str,$key) {
  $cipher = MCRYPT_RIJNDAEL_128;        //加密类型
  $mode = MCRYPT_MODE_ECB;            //加密模式
  $str_encrypt = mcrypt_encrypt($cipher,$key,pkcs5Pad($str),$mode);
  return base64_encode($str_encrypt);
}
// 报文解密
function decrypt($str,$key) {
  $cipher = MCRYPT_RIJNDAEL_128;    //加密类型
  $mode = MCRYPT_MODE_ECB;        //加密模式
  $str = base64_decode($str);
  $str_decrypt = mcrypt_decrypt($cipher,$key,$str,$mode);
  return $str_decrypt;
}

Java加密示例

  String url = "http://XXXXXXX.cc/getList";
  String key = "fjdklsj8989djjfd+DW";
  Map<String,String> data = new HashMap<String,String>();
  data.put("test", "4564654564564564564");
  data.put("word", "CCC001");
  JSONArray json = JSONArray.fromObject(data);
  String data = json.get(0).toString().trim();
  // 加密
  data = aesEncrypt(data,key);
  // POST
  Map<String,String> param = new HashMap<String,String>();
  param.put("data", data);
  String rst = Post(url, param);
  // 解析返回信息
  JSONObject o = JSONObject.fromObject(rst);
  String s = (String)o.get("data");
  // 解密
  System.out.println(aesDecrypt(s,key));
public String aesEncrypt(String message, String key) {
  try {
      Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
      SecretKey secretKey = new SecretKeySpec(key.getBytes("utf-8"),"AES");
      cipher.init(Cipher.ENCRYPT_MODE, secretKey);
      byte[] r = cipher.doFinal(message.getBytes("UTF-8"));
      return Base64.encodeBase64String(r);
  } catch (Exception e) {
      e.printStackTrace();
  }
  return null;
}
public static String aesDecrypt(String message, String key) {
  try {
      byte[] bytesrc = Base64.decodeBase64(message);
      Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
      SecretKey secretKey = new SecretKeySpec(key.getBytes("utf-8"),"AES");
      cipher.init(Cipher.DECRYPT_MODE, secretKey);
      byte[] retByte = cipher.doFinal(bytesrc);
      return new String(retByte,"utf-8");
  } catch (Exception e) {
      e.printStackTrace();
  }
  return null;
}