Summary of encryption functions in php
This article introduces some functions related to encryption in php. if you need them, refer to it.The encryption function in php is similar to the following: 1, md5 () 2, sha1 () 3, crc32 () 4, crypt (
The scenario for generating a unique ID is very common, such as temporary cache file names, temporary variables, temporary security codes, and so on, and the uniqid () function generates a unique ID based on the current time in microseconds. Because
This article introduces some of the functions of cryptography in PHP, please refer to your friends.The functions that implement encryption in PHP are as follows: 1,md5 () 2,sha1 () 3,crc32 () 4,crypt () 5,uniqid ()The 1,MD5 () function defines and
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1. Overview
The early U N I x system kept the user's password in a plain text readable "password file," which could be intercepted and exposed without the attention of the system administrator. It may also be leaked in an accidental
In general, the functions that can implement encryption include:
(1) MD5 ()
(2) sha1 ()
(3) CRC32 ()
(4) crypt ()
(5) uniqid ()
First, explain the MD5 () method:Definition and usage
MD5 () function calculates the MD5 hash of a string.
The MD5 ()
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
Password hash security, password hash
Hash is usually translated as "hash", and is also directly translated as "hash", that is, input of any length (also called pre- ing), through the hash algorithm, convert to a fixed-length output, which is a hash
Before I introduced the science to visit the Internet which is very important for a ring dnscrypt_proxy, which is actually the client. Dnscrypt-proxy after installation will bring some foreign public dnscrypt-wrapper service, so Dnscrypt service is
1. What is Pgbouncer
Pgbouncer is a lightweight, PostgreSQL database connection Pooling tool that provides a unified view of links to clients.
1. Download the Pgbouncer installation package
http://pgfoundry.org/frs/?group_id=1000258&release_id=19
A few days ago, I read some official documents of zendframework2 and found some examples. Unfortunately, there is very little information. So I began to look for laravel, a popular PHP framework used in other countries, and hoped to find a suitable
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