First: I asked this question on stackoverflow and was kindly asked to post this here again. See the original question here. According to the [early] doc pages of the new PHP 5.5 password ...
I get the following error if I give a key that is greater than 64 hex caracters (64*4=256 bits). According to this official document, blowfish is able to support key from 32 to 448 bits. ...
This is something I never understood about hashing functions. I know that algorithms like whirlpool and blowfish both produce outputs that don't follow this pattern, but why is it that most do? Is ...
In this example why do they hash a randomly generated piece of salt before hashing it with the password?
From here, in the code return substr(sha1(mt_rand()),0,22); what is the point of taking the sha1 value? It is appended to the password and together they are hashed using Blowfish. Why not just append ...
Possible Duplicate: How to securely hash passwords? I have a website and on that website I use SHA-256 and salt my user's passwords. What I'm doing right now is padding each letter of the ...
I am using Blowfish with PHP crypt() for password hashing but I noticed something weird. Quoting PHP documentation: CRYPT_BLOWFISH - Blowfish hashing with a salt as follows: "$2a$", "$2x$" or ...
I know that many encryption algorithms, while secure, have vulnerabilities. To reduce risks, would multiple encryption like this Blowfish_CbC ( Rc2_OFB ( AES128_CBC (myfilecontent))) be a good ...
I'm working on a web project that will connect to a database. For that, I will have to store the login/password of that database user in clear (encrypted in a symmetrical way) in order to be able to ...