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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