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$i before $salt to keep things optional

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My original version had $i after $salt and required a salt (which could have been '') in order to define $i.
I changed that offline and in the HashPass demo to accept $i before $salt. If you only want one hashing, just send a 1 or ''
Original call: hashpass($password, $salt_goes_here, 3);
Better call: hashpass($password, 3, $salt_goes_here);
This commit is contained in:
Arctic Code 2013-01-26 19:40:52 -05:00
parent 18dadeca00
commit 130da36c57
1 changed files with 3 additions and 3 deletions
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6
HashPass.php
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@ -1,5 +1,5 @@
<?php
/* HashPass() function takes $plaintext, $salt and $i (number of iterations) as inputs and outputs $hashpass - $salt and $i are optional
/* HashPass() function takes $plaintext, $i and $salt (number of iterations) as inputs and outputs $hashpass - $salt and $i are optional
* Copyright David Todd (C) 2012
* http://www.unps-gama.info
* This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
@ -9,7 +9,7 @@
* If no $plaintext provided, die with error message saved to error variable
*/
function hashpass($plaintext, $salt, $i){
function hashpass($plaintext, $i, $salt){
if($plaintext == null) die("No password detected"); // Append error into common error string for parsing later
$plaintext = hash("sha1", $plaintext); // First step - get plaintext sha1
if($salt == null || $salt == ''){
@ -18,7 +18,7 @@ function hashpass($plaintext, $salt, $i){
$salt = $salt.mt_rand(5000, 80000); // Append new random number between 5000 and 80000 to md5 salt
$salt = hash("sha256", $salt); // Take a sha256 hash of new salt and done with salt generation
}
if($i ==null || $i == ''){
if($i == null || $i == ''){
$plaintext = hash("sha256", $plaintext.$salt); // Take first sha256 hash of $plaintext+$salt (64 bits)
$plaintext = hash("sha1", $salt.$plaintext.$salt); // Take sha1 of salt+plaintext+salt (32 bits)
$plaintext = hash("sha512", $salt.$plaintext.$salt.$salt.$plaintext.$salt); // Take sha512 of this (128bits)