Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Wed, 15 Aug 2012 16:40:40 +0400
From: Pavel Semjanov <pavel@...janov.com>
To: john-dev@...ts.openwall.com
Subject: Re: LZSS rejection

On 15.08.2012 1:56, magnum wrote:
> Pavel,
> I still haven't figured LZ out. It's is not exactly like pkzip - from
> what I can see, I got:
>
> 1. bit 0 (PPM flag) is zero for LZ
> 2. bit 1 (keepOldTable) we can't use (or does it have to be zero?)

I don't use it at all.

> 3. bit 2-5 is first bit length
> ...and so on.
>
> So we don't have any CODE (or BTYPE) field, right? Does this mean RAR
> always use CODE 1, or always CODE 2? Or is there something else I do not
> get here?

In zip terms, it always uses code 2 (dynamic huffman table).


-- 

    SY / C4acT/\uBo             Pavel Semjanov
    _   _         _        http://www.semjanov.com
   | | |-| |_|_| |-|

Powered by blists - more mailing lists

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.