secure password hashing

Password hashing security, password scattered Hash, the general translation to do "hash", there is a direct transliteration of "hash", is the arbitrary length of the input (also known as pre-mapping), through the hash algorithm, transformed into a

Objective:For the SHA Secure Hash algorithm, not used before, just stay in the heard of the stage, today in the picture cache frame Glide source found that its cache key is not MD5 encryption algorithm, but SHA-256 encryption algorithm, this just

Objective: For the SHA Safe hashing algorithm, before how to use, just stay in the heard of the stage, today in the picture Caching framework Glide source code found that its cache key is not MD5 encryption algorithm, but SHA-256 encryption

Yesterday afternoon lunch, a news on Sina caught my attention. In the news, a web-site database called Sesame Finance was compromised, and the passwords recorded in the database were hashed only once. Although I did not break its white hat, I did

symmetric cipher, asymmetric cipher, hashing algorithm and PKICryptography issues to solve: confidentiality, integrity, authentication (anti-repudiation):First, symmetric password:Symmetric cryptography: The sender and recipient use a single key

More secure PHP password encryption mechanism Bcrypt details, more secure bcrypt Preface To avoid attacks on the server, when the database is dragged to the database, the plaintext password of the user is not disclosed. Generally, the password is

Speaking of how user login under HTTP protocol guarantees password security:Small white Maybe the first idea is that when a user enters a password to sign in on the login page, the foreground page encrypts the password entered by the user, and then

Http://www.cnblogs.com/charlesblc/p/6341265.html one of the articles.ReferenceHttps://zhuanlan.zhihu.com/p/20336461?refer=auxtenNetwork Programming (IV): What security issues should be considered in the implementation process of the TCP socket

Traditional encryption methods:MD5 (password + salt value);$passwordString = ' your password ';//Your password $salt= "your salt value";//salt, increase complexity (random string) $md 5password=md5 ($passwordString. $ SALT);Theoretically speaking,

This article mainly introduces to you about PHP more secure password encryption mechanism Bcrypt related information, the article introduced in very detailed, for everyone has a certain reference learning value, the need for friends below to learn