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To protect data with PHP programs and to protect data with PHP programs, you must be careful to protect your data in an increasingly virtualized internet world. This article describes how to encode and encrypt important information (such as

In this increasingly virtual world of the Internet, you have to be careful to protect your own data. This article describes the basics of encoding and encrypting some important information, such as passwords, credit card numbers, or even the entire

Transfer from http://www.smatrix.org/bbs/simple/index.php?t5591.html//////////////////////////////////////////////////////////////////////////////Directory1. PHP hash function and its application2. Symmetric cipher algorithm in PHP and its

One, CGI mode installation security Second, the Apache module to install security When PHP is installed as an Apache module, it inherits the privileges of the Apache user (usually "nobody"). This has some impact on security and authentication. For

Author: Martin Streicher, software developer, pixel, byte, and commaAlthough writing a PHP extension is not very difficult, swig does further simplify this task, mainly because it automates the work required to combine PHP with C or C ++. Given a

PHP encryption 3DES error call to undefined Function:mcrypt_module_open () workaround, Mcryptmoduleopen I am also a novice php, through W3cschool to understand the basic principles of PHP after the write. But still rookie. First, regardless of 3DES

This article mainly introduces how to solve Calltoundefinedfunction: mcrypt_module_open () Error reported by PHP encryption 3DES. If you need more information, refer to this article. I am also a beginner in PHP, after learning about the basic

PHP Encryption Extension Library-mhash Extension Library What is the Mhash extension library: Mhash is a non-reversible PHP encryption extension library based on discrete mathematical principles, which is not turned on by default. Mhash can be used

As a powerful language, PHP can be installed in either a module or CGI. its interpreter can access files, run commands, and create network connections on the server. These functions may add many insecure factors to the server. you must install and

PHP encryption 3DES error call to undefined Function:mcrypt_module_open () How to solve, Mcryptmoduleopen I am also a novice php, through W3cschool to understand the basic principles of PHP after the write. But still rookie. First, regardless of