php hash salt

We know that if the password is hashed directly, then the hacker can get a hash value by obtaining this password, and then by checking the hash value dictionary (for example, MD5 password cracking site), the password of a user.Adding salt can solve

Transferred from: http://blog.csdn.net/blade2001/article/details/6341078We know that if the password is hashed directly, then the hacker can get a hash value by obtaining this password, and then by checking the hash value dictionary (for example, MD5

1 backgroundThe system involved in authentication needs to store the user's authentication information, the commonly used user authentication method mainly is the user name and the password way, in order to be safe, the user input password needs to

Transfer from http://www.smatrix.org/bbs/simple/index.php?t5591.html//////////////////////////////////////////////////////////////////////////////Directory1. PHP hash function and its application2. Symmetric cipher algorithm in PHP and its

This article provides a detailed analysis of the principle of Password Plus salt. For more information, see, then, hackers can obtain the hash value of the password, and then query the hash value Dictionary (for example, MD5 password cracking

Original source: http://www.2cto.com/Article/201201/117051.htmlWe know that if the password is hashed directly, then the hacker can get a hash value by obtaining this password, and then by checking the hash value dictionary (for example, MD5

We know that if the password is hashed directly, hackers can obtain the hash value of the password, and then query the hash value Dictionary (for example, MD5 password cracking website ), obtain the password of a user. Add salt can solve this

We know that if the password is hashed directly, hackers can obtain the hash value of the password, and then query the hash value Dictionary (for example, MD5 password cracking website ), obtain the password of a user. Add Salt can solve this

We know that if the password is hashed directly, hackers can obtain the hash value of the password, and then query the hash value Dictionary (for example, MD5 password cracking website ), obtain the password of a user.Add Salt can solve this problem

We know that if you hash the password directly, the hacker can get a user's password by getting the password hash value, and then by checking the hash value dictionary (such as MD5 password to crack the website).Adding salt can solve this problem to