crypt

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Encrypt and decrypt the corresponding function in ASP

Encryption | Decryption in the ASP encryption method has a corresponding decryption method does not seem much, now based on the predecessors of the data in the ASP encryption and decryption function Rsa.asp REM Encryption and decryption in ASP,

MySQL Application skills access rights

MySQL uses the user name for the authentication purpose, regardless of the UNIX user name (login name) or the Windows user name. By default, most MySQL clients try to log on using the current UNIX username as the MySQL username, but this is only for

Installation of the MySQL user authentication module for Apache 2.x

Before talking about the MySQL user authentication of the Samba server, I've actually written the Apache authentication for MySQL. But it used to be just a test, not actually used. The above mentioned knowledge management, in fact within the company

Using Cracklib to build secure UNIX passwords

As the most popular server operating system on the Internet, UNIX security has attracted much attention. The security of UNIXD is mainly realized by password, therefore, the UNIX password encryption algorithm has improved several times, now commonly

PHP Create a Linux account with expiration

So we can only find a way to get webserver to call this command, usually want to improve the permissions only Su and sudo these two commands, so I put the idea on this, but the results call the two commands are still not, search on the internet to

Verification code procedures and principles, see the need for a lot of people, posted out, hope to enter the essence for future reference

Program | essence | Verification Code ##### Copyright reprint please reserve thank you for your cooperation ##### part of the program is taken from the network ##### Author: Yang Zi ##### email:yangzinet@hotmail.com ##### qq:21112856 #####

Encrypt a PHP program to protect data from ordinary people

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

The encryption function of PHP security programming

Security | programming | Encrypted data encryption is becoming more and more important in our lives, especially considering the large amount of transactions and data transmissions that occur on the web. If you are interested in adopting security

An example of c#-symmetric encryption

Encryption using System; Using System.Drawing; Using System.Collections; Using System.ComponentModel; Using System.Windows.Forms; Using System.Data; Using System.Security.Cryptography; Using System.IO; namespace symmetric encryption Application { //

PHP character function Encyclopedia

Addslashes: String add Slash. Bin2Hex: The binary turns into 16 carry. Chop: Remove continuous blank. CHR: Returns the character of the ordinal value. Chunk_split: Splits the string into small segments. Convert_cyr_string: Converts the ancient

A function of encrypting and decrypting in ASP

Encryption | Decryption in the ASP encryption method has a corresponding decryption method does not seem much, now based on the predecessors of the data in the ASP encryption and decryption function Rsa.asp REM Encryption and decryption in ASP,

PHP encryption and decryption class implementation code

Class crypt{ This article source: Dragon elder brother Blog protected $key = ""; Public Private function keyed ($txt, $encrypt _key) { $encrypt _key = MD5 ($encrypt _key); $ctr = 0; $tmp = ""; for ($i =0; $i { if ($ctr ==strlen ($encrypt

A very simple Verification code program

Program | Verification Code Original Program Http://vifo.vicp.net:8088/datalib/ShowTopic.asp?id=108:10:1:1 A total of three main programs My calling way Authentication mode if trim (loginnum) <>trim (Session ("Loginnum")) Then Response.Write

Introduction to Dynamic Web technology PHP: Tips for installing PHP settings

1:doc_root settings The doc_root in Php3.ini is like the documentroot of the web, if include "/xxx/xxx"; Automatically turns the first/doc_root setting. For example: Php3.ini in Doc_root set to C:\tmp, then when Your aaa.php should be in the

PHP Data encryption

Encryption | The position of data encryption in our lives has become more and more important, especially considering the large amount of transactions and data transmissions that occur on the web. If you are interested in adopting security measures,

Constitution and installation of C development environment under Linux

This article describes the Linux C development environment, the composition and installation, so that readers of the Linux C development environment can have a preliminary understanding. Do you know Linux? Believe now more and more people will say "

The method of generating crypt encryption password under Linux

We can use the MKPASSWD command: This command is used to generate the password in the crypt format: mkpasswd When you enter a command, the program asks for a password and then generates a crypt format string. If you use the Apache Web server, you

PEAR: Common Modules

In the previous article, we introduced the concept of pear, coding rules, simple use method, you may have a preliminary understanding of it. This time, we'll introduce the functionality and usage of some of the modules in the existing Pear

Use crypt () in PHP to implement user authentication

In the development of PHP applications, if you do not want to develop new encryption algorithms, you can also use the crypt () function of PHP to complete the one-way encryption function.    Understanding Crypt () As long as you have a bit of

C #---A program for asymmetric encryption

Program | encryption using System; Using System.Drawing; Using System.Collections; Using System.ComponentModel; Using System.Windows.Forms; Using System.Data; Using System.IO; Using System.Text; Using System.Security.Cryptography; Namespace

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