Implementation of one-way hash encryption function in PHP
This time I will bring you the implementation of PHP's one-way hash encryption function. What are the precautions for the implementation of PHP's one-way hash encryption function. The following is a practical case, let's take a look.
The example in this article describes the one-way hash encryption operation implemented by PHP. Share it with everyone for your reference, the details are as follows:
1. Encrypted file
<?php //sha1_en.php header("content-type:text/html;charset=utf-8"); $str = "我是张三,能给我个人数据吗"; $salt="123456";//我是唯一不变的salt $sha1=sha1($str.$salt);//或者$sha1=md5($str.$salt); echo $str; echo "<br/>"; echo $sha1; echo "<br/>"; echo "http://localhost//sha1_de.php?str=$str&sha1=$sha1"; ?>
2. Decrypted file
<?php //sha1_de.php header("content-type:text/html;charset=utf-8"); $str=$_GET["str"]; $sha1=$_GET["sha1"]; $salt="123456";//我是唯一不变的salt $verify=sha1($str.$salt);//或者$verify=md5($str.$salt); echo $verify; if($verify==$sha1){ echo "你是张三,给你信息"; }else{ echo "你是假冒伪劣产品"; echo "你的ip".$_SERVER['REMOTE_ADDR']."已经被记录了"; } ?>
I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!
Recommended reading:
##How to operate tables in Bootstrap
Use AngularJS to get the password in the front-end interface
The above is the detailed content of Implementation of one-way hash encryption function in PHP. For more information, please follow other related articles on the PHP Chinese website!

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