Shulou(Shulou.com)06/01 Report--

This article will explain in detail how PHP uses crypt () to encrypt passwords. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

Use crypt () to encrypt the password

The crypt function returns a hash string using salt. This method generates a weak password, which accepts the second parameter for salt, which is an optional parameter; salt is a formatted string that tells the crypt () method which algorithm to use for hashing

Its syntax is:

Crypt ($string, $salt)

There are a lot of salt constants, but here I use CRYPT_MD5, which produces a 12-character salt.

The code is as follows:

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