Discuz Security questioning Algorithm _php tutorial

Source: Internet
Author: User
Today, my friend asked me if the answer to Discuz safety question could be spared. Or cracked, I have been aware of a password, only remember very short, thought is substr take MD5, finally looked at the source of half a day, is really MD5 encryption, but the process of encryption is a bit dizzy

No security questions
Mother's name
Grandpa's name.
The city where the father was born
The name of one of your teachers
The model of your personal computer
Name of your favorite restaurant
Last four digits of driving licence

The encryption process is value first encrypted once, such as my question is "the last four digits of the driver's license" value is 7,7 MD5 for 8f14e45fceea167a5a36dedd4bea2543, I Answer "1v1.name", This puts 1v1.name and the value of 7 MD5 together, that is, "1v1.name8f14e45fceea167a5a36dedd4bea2543" after the encryption MD5 value is "f5d8e00a4ebc9ead4611c04706ae05fd "Then take the 17th to 24th Digit 8-digit password" 4611c047 "4611c047 is the password in the database

Demonstrate

7
8f14e45fceea167a5a36dedd4bea2543
1v1.name8f14e45fceea167a5a36dedd4bea2543
F5d8e00a4ebc9ead4611c04706ae05fd
4611c047

http://www.bkjia.com/PHPjc/318298.html www.bkjia.com true http://www.bkjia.com/PHPjc/318298.html techarticle today, my friend asked me if the answer to Discuz safety question could be spared. Or cracked, I have noticed a password before, only remember very short, thought is substr take MD5, finally saw a half-day source, ...

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