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Message-ID: <CANO7a6wceafNZkcVWPL3yLQE5CSS+kQAxhZxCWY6JFxtQ06aAw@mail.gmail.com>
Date: Tue, 28 Feb 2012 12:09:32 +0530
From: Dhiru Kholia <dhiru.kholia@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: Re: [JtR PATCH] Support rar's -p mode by spawning
external unrar process.
On Tue, Feb 28, 2012 at 2:37 AM, magnum <john.magnum@...hmail.com> wrote:
> We would still have this -p mode problem but with more power under the
> hood someone might get the idea to fix that. If I got it right, this is
> only about quickly verifying or rejecting the decrypted data, just like
> Jim did with pkzip. I bet we can find some situations where we can
> reject early, if we just get the full CRC in place first.
In RAR format, there is no CRC stored for the compressed (decrypted)
data. So there is no quick way to verify / reject it. The CRC stored
is for the original uncompressed file.
--
Cheers,
Dhiru
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