Re: crypt()ic problem

• Date: Tue, 11 Jun 1996 19:36:14 PDT
• From:
  hpa@trantor.zytor.com (H. Peter Anvin)
• Reply-To:
  hpa@storm.net (H. Peter Anvin)
• Content-Transfer-Encoding: quoted-printable
• Content-Type: text/plain; charset=ISO-8859-1
• Newsgroups: local.moo
• Organization: Where Stormnet meets the Internet
• References: <Pine.BSF.3.91.960610141621.28645C-100000@srv1.thuntek.net>

Followup to:  <Pine.BSF.3.91.960610141621.28645C-100000@srv1.thuntek.net>
By author:    "Jamal A. Wills" <jwills@thuntek.net>
In newsgroup: local.moo
> 
> I think this system has a slightly nonstandard form of crypt().  If I 
> change candidate.password[1..2] to candidate.password[4..5] I think it 
> should work, but I wanted to check with someone more familier with the 
> language first (especially since this would make the code incompatable 
> with other servers).
> 

The [1..2] part is actually bogus, it just happens to work on standard
UNIX crypt().

The correct form is actually:

if ( crypt(guess, password) == crypt(password, password) ) then
...


where "guess" is what the user typed in and password is the stored
encrypted password.

	-hpa
-- 
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• crypt()ic problem
• From: "Jamal A. Wills" <jwills@thuntek.net>

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