md5 algorithm

Add the following two lines to the access directory where you want to restrict the user The code is as follows Copy Code Auth_basic "Enter username and password";Auth_basic_user_file nginx_passwd; HTPASSWD

This article mainly introduces the pseudo random number and the true random number of PHP, this paper first explained the concept of true random number and pseudo random number, and gave a better pseudo-random number than using Mt_rand () function

It is important to understand the following for encryption and decryption:The two sides want to communicate, the middle connection may be bugged or even tampered with. The solution is to encrypt the contents of the transmission, using ciphertext to

11.18 Apache user authenticationNote: This chapter uses a browser to detect the virtual machine IP and virtual host domain names in the physical machine hosts file.Configure user authentication Edit the virtual host profile "Httpd-vhosts.conf".

http stateless? An HTTP stateless protocol means that the Protocol has no memory capability for interactive scenarios.When you click on a plain HTML page and request the HTML file resource of the server, each HTTP request will return the same

Original address: http://www.ibm.com/developerworks/cn/web/1112_huangxa_websocket/HTML5 WebSocket Introduction and practical WalkthroughThis article mainly introduces the principle of HTML5 WebSocket and its revolutionary innovation to real-time WEB

With the development of computer technology, the industrial control of data communication using microcomputer has been applied more and more widely in modern industry. The communication data between the computer and the controlled device often

/* Copyright (C) 1999 Aladdin Enterprises. All rights reserved. This software are provided ' as-is ', without any express or implied Warranty. In no event would the authors be held liable to any damages arising from the ' use of ' this

Today in the register login to remember to do a password to do an encryption, and then go online search with which aspects of technology, and finally determine the Java MD5 one-way encryption, the advantage is that encryption is not decrypted, in

This article mainly introduces PHP's pseudo-random number and real random number details. This article first explains the concepts related to the real random number and pseudo-random number, and gives the comparison using mt_rand () an example code

Summary of php5 string processing functions, which are frequently used by php users. Easy to search and use. Addcslashes-add backslash escape characters to some characters in the string Addslashes-escape characters in the string in the specified

When talking about network security, I want to learn more or less about it. The so-called network security means that the hardware, software, and data of the network system are protected, measures to ensure continuous and reliable operation of the

Addcslashes-adds a backslash escape character for some characters inside a stringaddslashes-characters inside a string are escaped in the specified mannerbin2hex-converts binary data to hexadecimal notationalias function for Chop-rtrim ()chr-returns

addcslashes-adds a backslash escape character to a partial character in a string addslashes-escapes the characters in the string in the specified manner bin2hex- Converts binary data to a hexadecimal representation of the Chop-rtrim () alias

This article mainly introduces PHP's pseudo-random number and real random number details. This article first explains the concepts related to the real random number and pseudo-random number, and gives the comparison using mt_rand () an example code

Beijing Institute of Electronic TechnologyLab ReportCourse: Mobile Platform Application development Practice class: 201592 Name: Ai Ying No.: 20159201Score: ___________ Instructor: Lou Jia Peng Experimental Date: 2015.10.25Experiment Name: Java

HTML5 WebSocket Introduction and practical WalkthroughThis article mainly introduces the principle of HTML5 WebSocket and its revolutionary innovation to real-time WEB development, and demonstrates the powerful and easy-to-use of WebSocket through a

We are in the development of PHP Web site using encryption technology is MD5, then the use of MD5 encryption algorithm can be cracked or MD5 encryption reversible ? Let's take a look at two commonly used PHP data encryption techniques.PHP Data

There are many encryption functions in php functions, one of which can implement data encryption functions is called the crypt () function. The crypt () function uses a one-way algorithm without corresponding decryption functions. It returns a

Comments: Currently, many website passwords are encrypted using the MD5 method, which is irreversible. Therefore, it is impossible to restore the encrypted passwords based on the ciphertext. Here, the conversion process from plaintext to MD5