decrypt function for crypt function php

Question

Hi

What is the decrypt function for crypt function in PHP

Thanks Bharanikumar

Answer 1

There is no decrypt function, since crypt() uses a one-way algorithm.

• PHP Manual

Answer 2

5 seconds of searching stackoverflow:

• http://stackoverflow.com/questions/1945881/how-do-i-encrypt-and-then-decrypt-the-text-of-username-and-password-used-in-datab
• http://stackoverflow.com/questions/2524182/how-can-i-decrypt-password-string-in-php-which-was-encrypted-with-crypt
• http://stackoverflow.com/questions/2393203/php-mcrypt-decrypting-and-encrypting-files
• http://stackoverflow.com/questions/2806682/encrypt-and-decrypt-string-with-key-php
• http://stackoverflow.com/questions/2347802/php-encrypt-and-decrypt

I'm sure google has more. Please do a bit of research before you ask a question, it's not fair to just expect everyone else to do all the thinking for you.

Answer 3

You cannot decrypt the crypt function but if you need original string back, use mcrypt_encrypt and mcrypt_decrypt, and choose key based encryption like MCRYPT_RIJNDAEL_256