Date: Tue, 8 Sep 2009 23:13:52 -0500 From: "JimF" <jfoug@....net> To: <john-users@...ts.openwall.com> Subject: Re: Re: JTR I have compiled... >> john -test -form=md5-gen "-subform=md5_gen(4)" > > With quote " " I get : > > iMac-de-xxx-xxx:run xxxxxx$ ./john -test -form=md5-gen > "-subform=md5_gen(4)" > Unknown option: "-subform=md5_gen(4)" It appears you will need to use quotes on *nix shells (some at least). The 'unknown option' is what you would expect. It means john is trying to figure out what you are telling it to do, but the version of code you built this from, did not yet understand what the -subformat= option is. However, I have just updated the wiki patch page: http://openwall.info/wiki/john/patches I have updated the -2 (v2) of the md5-gen code. This update WILL make the -subformat=list work (or let you specify -subformat=md5_gen(4) to force the vBulletin mode) Changes: works with benchmarking (-test) Added the -subformat=NAME to allow one to force a specific sub format to be used Added -subformat=LIST to dump a list of the formats to screen (and exit). Fixed some bugs (like non salt formats were using salts, and working slow). Performance gain. md5_gen(0) (raw-md5) is as fast as -raw-md5 (in SSE2 mode). Added phpass to generic md5 Added 'hooks' to allow formats which are already part of gen-md5 to use gen-md5 as the working engine. Ported phpass to use this (gutting all of the 'native' code). This is NOT included with the base gen-md5, as it will be a patch standing alone. Note, right now, the non-SSE is a little slower than it CAN be (for mostly for the raw-md5 format). That is due to the code pretty much having to do full md5 work, where the raw-md5 had code which did not complete, UNLESS there was a very likely hit. The non-SSE code in raw-md5 only computes 1 of the 4 32 bit words of each hash, UNLESS that 1 number happens to match the first 4 bytes of a hash. Then, and only then, does a full MD5 get done for that word. Thus, for some formats, it may be faster to keep the native code (like the raw-md5 non-sse). However, most should be as fast (and some possibly even slightly faster), with the generic code. Also, if some formats have not been optimized with faster code, then it is likely the generic code will be faster than what it is replacing. NOTE there still are some collision issues between this patch and the 'multi-option-addition' patch, in the options.h (and possibly in options.h)
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