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Message-ID: <20111121165848.GA26821@openwall.com>
Date: Mon, 21 Nov 2011 20:58:48 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: best way to get ciphertext
On Mon, Nov 21, 2011 at 05:14:12PM +0100, Samuele Giovanni Tonon wrote:
> i've tried an ugly hack to get ciphertext from get_salt, which is
> usually called before crypt_all ; i did a
>
> memcpy(crypted_key,realcipher,BINARY_SIZE);
>
> inside get_salt() to save on a "local" variable that has been declared
> inside the fmt_plug.c file .
>
> this works nicely on the initial test, but after that crypted_key keeps
> on remaing a default value and never change; i suspect i'm not reading
> real data but just "gibberish" .
>
> i wish i could call binary() but i need ciphertext which is available
> only at a "superior" layer.
As I pointed out in another message, a possibly working dirty hack would
be to save copies of the hashes passing through binary(). Maybe save
partial copies (truncate at BINARY_SIZE), for memory savings and speed.
Alexander
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