Programmer Think

PHP encryption function - md5() function encryption instance usage MD5() function is the MD5 hash value of calculator string. Using MD5 algorithm, the full name of MD5 is message digest algorithm 5. Its function is to calculate data information of different length into a 128 bit value through a series of algorithms, that is, to change a byte st ...

1. Introduction Information encryption and information hiding are the main means to achieve information security and confidentiality.A large number of encryption algorithms and methods for hiding information have been invented since ancient times.For example, if you wrap a screw of paper around a stick and write on it, spread it out and pass it ...

Thank you for your reference- http://bjbsair.com/2020-04-01/tech-info/18504.html Today, I introduce how to create WebSocket service with Go language. The first two parts of this article briefly introduce the WebSocket protocol and how to create WebSocket service with Go standard library. In the third part, we use the gorilla/websocket library ...

1. hashlib password hash The hashlib module defines an API to access different cryptographic hashing algorithms. To use a specific hash algorithm, create a hash object with the appropriate constructor function or new(). No matter which specific algorithm is used, these objects use the same API. 1.1 hash algorithm Because hashlib has OpenSSL to ...

a. WeChat official account 1. It is divided into service number, subscription number, applet and enterprise wechat; 2. when users send messages to WeChat official account, they send the message to WeChat server. The administrator of the official account saves the specified rules on the management pl ...

WeChat official account interface development - reply message As a WeChat official account, interaction with users is very important. For example, according to the message sent by users and the user information (text, pictures, videos, pictures, etc.) that are passively answered by push events, I have ...

In recent projects, AES algorithm needs to be implemented by C language. Here I implement it by Mbedtls library. 1. Download Mbedtls First, we put the Mbedtls code into the project, and the related transmission gates are as follows: Official download address of Mbedtls The official website is slo ...

Reading catalogue strip introduction strip example strip command usage Whether to strip in program development Reference material strip introduction strip is often used to remove some symbol table and debug symbol table information from the target file, so as to reduce the size of static librar ...

First of all, we need to add a share button in the upper right corner of the original homepage, and then we need to click it to pop up wechat's own function of sharing to friends. At first glance, it seems not difficult. There was no wechat related development experience before, but it took three days to do well. Let's start w ...

Today, I present the development of login and registration interface, which is based on token verification. Let's talk less and get to the point! First look at the database model: #pip install passlib from passlib.apps import custom_app_context as pwd_context class Shop_list(db.Model): __tablename__ = 'shop_list' userName = db.Column(db ...