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Date: Fri, 17 Aug 2012 17:48:46 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: RAR early reject
On 2012-08-17 16:53, magnum wrote:
> On 2012-08-17 15:52, Pavel Semjanov wrote:
>> BTW, among all those test files (-m1 to -m5) I have yet to see a
>>> valid stream use PPM in the first block. I start to think we can reject
>>> all PPM. Do you know something to the contrary?
>>
>> Something strange again.
>> -m4, -m5 option really forces PPM code. -m1 to -m3 should force LZ code.
I can not reproduce this. I create archives (using linux rar 4.00 beta
3) with -m4 and -m5 and debug output shows that first block is an LZ
block, unrar.c populates a Huffman table and correctly inflates the
data. Maybe second block and on will be PPM?
magnum
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