md5 key

This article mainly introduces a set of PHP reversible encryption and decryption algorithm instance code. if you need it, you can refer to the md5, sha1, and other methods for most password encryption. This can effectively prevent data leaks, but

This article mainly introduces PHP to use cookies to set the user 30 minutes without the operation of automatic exit function, the need for friends can refer to the following Login controller need to do the login successfully put the user ID and

PHP encryption and decryption instance analysis, This article describes the PHP encryption and decryption method. Share to everyone for your reference, as follows: Cryptographic function String2secret ($str) {$key = "123"; $td = Mcrypt_module_open (

PHP combined with MD5 implementation of encryption and decryption method, PHP combined with MD5 encryption decryption This paper describes the encryption and decryption method implemented by PHP combined with MD5. Share to everyone for your

This article mainly introduces the implementation of PHP encryption and decryption, and analyzes the related skills of PHP user-defined functions to implement string encryption and corresponding decryption in the form of examples, for more

This article mainly introduces the encryption and decryption methods implemented by php combined with md5, involving PHP string operations and encryption and decryption algorithm implementation skills, for more information, see the example in this

key is a previously defined constant Mcrypt :: Encrypt (); Mcrypt::d ecrypt (); defined (' ROOT ') or exit (' Access Denied '); class mcrypt{ public static function encrypt ($code) { Retu

public static function getUserById($id){ $key = sprintf("%s_%s",__METHOD__, $id); $mdkey = md5($key); var_dump(Cache::tags(self::CACHE_TAG)->has($mdkey));die(); if(Cache::tags(self::CACHE_TAG)->has($mdkey)) { echo 'has cache';

In C # Common encryption and decryption article, introduced several encryption and decryption methods, including how to use the symmetric encryption algorithm DES, the next des upgrade version, TripleDES. The relationship between Des and TripleDES

PHP Common processing static Operation class In detail a PHP development often used to handle the operation of the class-I hope you add a lot-perfect this operation class 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21st 22 23

Example Analysis of PHP file cache class Usage This article mainly introduces the PHP file cache class usage, in the case of the form of a more detailed analysis of the PHP file cache class definition, function and specific use of skills, very

In the ueditor through the syntax to choose PHP, posted to the Web page, can not correctly highlight the following PHP code, who can find the most fundamental problem where? Ueditor to ' decrypt string ' there, * @return Strin is wrong .... The

Encrypt the data and write it into a cookie. $cookie _data = $this, Encrypt ("Nowamagic", $data); $cookie = Array ( ' Name ' = ' $data ', ' Value ' = $cookie _data, ' Expire ' = $user _expire, ' Domain ' = ', '

This article describes the PHP implementation of an enhanced Mhash function code, with the need for a friend reference. In the program used PHP cryptographic function Mhash, error: Fatal error:call to undefined function mhash () The following two

Many times we need to encrypt and decrypt data, such as some data that needs to be saved to a cookie, but not easily accessible by the user, and we need to encrypt the data to be stored in a cookie, and then decrypt it when we need to use it.

For most password encryption, we can use md5, sha1, and other methods. This can effectively prevent data leaks, but these methods only apply to data encryption that does not require restoration. For the information to be restored, a reversible

There is an extension in php that supports the DES encryption algorithm: extension = php_mcrypt.dll Opening the extension in the configuration file cannot be used in windows. You need to copy libmcrypt. dll in the PHP folder to the system32

PHP encryption and decryption string Summary PHP encryption and decryption functions, one is Discuz! The authcode encryption function (with detailed decomposition), one is the encrypt () function. You need to use PHP to encrypt specific information,

In many cases, we need to encrypt and decrypt data. For example, some data needs to be stored in cookies, but it cannot be easily obtained by users, in this case, we need to encrypt the data and save it to the cookie, and decrypt it when we need to

For most password encryption, we can use MD5, SHA1 and other methods. Can effectively prevent data breaches, but these methods apply only to data encryption that does not need to be restored. For information that needs to be restored, a reversible