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Bug #12745 problem with the randomic generation of salt when a use crypt("pass")
Submitted: 2001-08-14 19:40 UTC Modified: 2001-08-18 21:54 UTC
From: marcus at marcusvinicius dot f2s dot com Assigned:
Status: Not a bug Package: *Encryption and hash functions
PHP Version: 4.0.6 OS: Linux Slackware 7.1
Private report: No CVE-ID: None
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From: marcus at marcusvinicius dot f2s dot com
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 [2001-08-14 19:40 UTC] marcus at marcusvinicius dot f2s dot com 
problem with the randomic generation of salt when a use $string = crypt("11lei11lao11") it allways generates a salt ( the first 2 chars from encrypted string ) that if use crypt("11lei11lao11blablabla") would work, and also crypt("11lei11lao11anythingwouldworkhere").

the code is

$cryptedpass = crypt("11lei11lao11");
if (crypt ( "11lei11lao11anythingwouldworkhere", substr ( $cryptedpass, 0, 2)) == $cryptedpass) {    
  echo "this is extremely strange for me";
}

and this works with this pass but not whit others!!!!!!!!!!!!!!!!!

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 [2001-08-15 03:25 UTC] sniper@php.net 
So what is the 'bug' here??

--Jani
 [2001-08-18 21:54 UTC] sniper@php.net 
No feedback and this is not a bug.
This is how DES encryption works.

--Jani
 
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