php encrypt decrypt with key

This article mainly introduces to you about Laravel in encrypt and decrypt implementation method, the text through the sample code introduced in very detailed, to everyone's study or work has a certain reference learning value, the need for friends

This paper mainly introduces the implementation of encrypt and decrypt in Laravel, the article introduces the example code in very detailed, to everyone's study or work has a certain reference learning value, the need for friends below with the

PHP uses a custom key to encrypt and decrypt data. This example describes how PHP uses a custom key to encrypt and decrypt data. We will share this with you for your reference. The details are as follows: When the client communicates with the server,

PHP uses XOR (XOR) to encrypt/decrypt files Principle: Each byte of the file with the key for the bitwise XOR or operation (XOR), decryption and then perform an exclusive OR operation. The code is as follows: 01.02.$source = ' test.jpg

Digital Signature: Hash The data and the private key to get a message digest, along with the message itself, to the Client. The data signature emphasizes that the data received by the client is from a specific server, and the server has

PHP des encryption:$cipher _list= Mcrypt_list_algorithms ();//MCrypt List of supported cryptographic algorithms$mode _list= Mcrypt_list_modes ();//MCrypt supported encryption mode list//Print_r ($cipher _list);//Print_r ($mode _list);functionEncrypt$

Provides various official and user-released code examples. For code reference, you are welcome to exchange and learn. encryption of cookies makes your website more secure and logon information is not stored in the session. Create two functions in

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

Because do not want to do in the Ajax post of the plaintext transmission, want to do JS to a JS object encrypted into a string or binary string transmission, but do not know how to encrypt, and this encrypted string needs to be decrypted on the PHP

Classic PHP Cryptographic decryption function Authcode () repair code, encryption decryption Authcode Authcode This function is used by many people, this function from the Discuz program, used to encrypt and decrypt the string, you can set the key (