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Date: Tue, 31 May 2011 20:26:10 +0200
From: magnum <rawsmooth@...dband.net>
To: john-dev@...ts.openwall.com
Subject: Re: add support for cracking RAR archive passwords [GSoC
first cut]
What is this change in loader.c for? Is it really needed?
--- a/src/loader.c Wed Apr 27 21:03:01 2011 -0700
+++ b/src/loader.c Fri Apr 29 05:08:28 2011 -0700
@@ -260,7 +260,9 @@
return 0;
}
*p = 0;
- *login = no_username;
+ if(strlen(*login) >= 6 && (strncmp(*login, "$rar3$", 6) ==0));
+ else
+ *login = no_username;
}
if (source) strcpy(source, line ? line : "");
maybe it can be put in the new prepare() function for a future Jumbo but
I'm not sure what is intended.
magnum
On 2011-04-29 14:21, Dhiru Kholia wrote:
> Apply the patch on top of john-1.7.7-jumbo-1. See src/drar.c for usage
> instructions. I have also uploaded the patch to the wiki
> (http://openwall.info/wiki/john/patches).
>
> As expected, speed sucks (~40 c/s) due to 256K rounds of SHA1. I
> believe that RAR archive password cracking will be perfect a candidate
> for GPU implementation (Lukas?) :-). Currently, only RAR's "-hp" mode
> is supported.
>
> I am moving on to adding support for zip archives and FileVault stuff.
>
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