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From: Szabolcs Nagy <nsz@port70.net>
To: musl@lists.openwall.com
Subject: Re: Help-wanted tasks for musl
Date: Mon, 20 Aug 2012 03:58:54 +0200	[thread overview]
Message-ID: <20120820015854.GH16602@port70.net> (raw)
In-Reply-To: <20120820013950.GC27715@brightrain.aerifal.cx>

* Rich Felker <dalias@aerifal.cx> [2012-08-19 21:39:50 -0400]:
> On Mon, Aug 20, 2012 at 03:35:02AM +0200, Szabolcs Nagy wrote:
> > it's not clear what the acceptable characters are..
> > originally the [a-zA-Z0-9./] is the base64 set used
> 
> In all the other hashes we support, only the used base64 set is
> allowed. Anything else is treated as a fatal error. Is this wrong?
> 

old des format accepts any char for salt
(except ':', '\n', '\0' and first char cannot be '_')

new des format (starting with '_')
and blowfish decode the salt so they
depend on the base64 set

> I agree it would be nicer to just pass the salt through the encryption
> algorithm as part of the input, but in practice they all decode it as
> a base64 number and use that number...
> 

sha and md5 crypt does not decode the salt
it is directly passed to a hash function


  reply	other threads:[~2012-08-20  1:58 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-19  4:26 Rich Felker
2012-08-19  8:10 ` idunham
2012-08-19 16:18   ` William Haddon
2012-08-19  8:44 ` boris brezillon
2012-08-19 11:49 ` Szabolcs Nagy
2012-08-19 16:56   ` Szabolcs Nagy
2012-08-19 17:29     ` Szabolcs Nagy
2012-08-20  0:51       ` Rich Felker
2012-08-20  1:35         ` Szabolcs Nagy
2012-08-20  1:39           ` Rich Felker
2012-08-20  1:58             ` Szabolcs Nagy [this message]
2012-08-20  2:12               ` Rich Felker
2012-08-28 20:09                 ` Szabolcs Nagy
2012-08-28 23:35                   ` Szabolcs Nagy
2012-08-29  0:15                     ` Szabolcs Nagy
2012-08-29 14:30                     ` Rich Felker
2012-08-29 15:14                       ` Szabolcs Nagy
2012-08-29 17:01                         ` Rich Felker
2012-08-30  8:40                           ` Szabolcs Nagy
2012-08-19 21:46 idunham
2012-08-19 22:19 ` Gregor Richards

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