one way hash

For the network, we usually use the access network. How are protocols defined? Next, let's take a look at the relevant content of the access network protocol. Because the layer-3 tunnel Protocol relies heavily on the characteristics of the PPP

Learning notes PHP string processing function summary. PHP has been developing for a long time and many users are familiar with PHP. here I will post my personal understanding of PHP string processing functions, hoping to help you, PHP itself is a

First of all, you should review the Windows System password hash of some knowledge: (below this section from the network) First introduce the Windows password hash: The early SMB protocol transmits plaintext passwords over the network. Later, the

Php string processing functions are very powerful in PHP processing strings, and there are a variety of methods, but sometimes you need to choose the simplest and ideal solution, this article lists 10 common cases of string processing in PHP and

PPP is a Point-to-Point Protocol and has important applications in network transmission. So here we will sort out this knowledge so that you can clearly understand and apply it. Now let's take a look at the specific content. I. Introduction to the

When you get control of the system how can you get control of the machine for a longer period of time? As a white hat, has torn a hole in the opponent's line of defense, if you need to further expand the results, you need to do is latent, collect

turn, the original source has been lost ... Common cryptographic or coding algorithms for security are as follows: 1. Common Key AlgorithmThe key algorithm is used to encrypt sensitive data, digest, signature and other information, the

a hash table, also known as a hash table, is a data structure that is accessed directly from a key value. That is, it accesses records by mapping key code values to a location in the table to speed up lookups. This mapping function is called a hash

This time for everyone to bring PHP Single sign-on function implementation, PHP Single sign-on function to realize the attention of what, the following is the actual case, together to see. This article describes the PHP implementation of single

This article mainly introduces PHP to encrypt text files and restrict access to specific pages, which can restrict access to some pages. if you need it, you can understand it. The file encryption program has been widely used on the site, which means

Addcslashes-adds a backslash escape character to a partial character in a string addslashes-the character inside the string in the specified way bin2hex-converts the binary data to a hexadecimal representation of the Chop-rtrim () alias function chr-

PHP's ability to handle strings is very powerful, and there are a variety of ways, but sometimes you need to choose one of the simplest and most ideal solutions, the article lists 10 common string processing cases in PHP, and provides the most

1 Find the character position function: Strpos ($str, Search,[int]): Find the first position of search in $str starting with int; Stripos ($str, search,[int]): function returns the position of the first occurrence of a string in another string. This

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

Addcslashes-adds a backslash escape character for some characters inside a string addslashes-characters inside a string are escaped in the specified manner bin2hex-converts binary data to hexadecimal notation alias function for Chop-rtrim

PHP encryption algorithm is used to encrypt the PHP code, then what is the PHP encryption algorithm? In this article I will share several PHP encryption algorithms, and then we will take a look at what the article says. 1.MD5 () encryption

Php5 string processing function summary This article describes common character string processing functions in php5, including string comparison, string search, string truncation, and other functions. For more information, see.A summary of

PHP5 string processing functions. Addcslashes-add the backslash escape character addslashes to some characters in the string-escape the characters in the string in the specified way bin2hex-Convert binary data to addcslashes-to some characters in

This is the first thing I say to every new employee in the team. This means that I don't care how quickly you get the job done, even if the code is bad, as long as it works like a lifeboat vent door. This is one of my favorite motto.This is a very

Brief introduction To provide Internet services, you must always maintain a sense of security when developing your code. Probably most PHP scripts don't care about security, largely because there are a lot of inexperienced programmers using the