Date: Sun, 6 Jan 2013 11:53:32 +0100 From: Frank Dittrich <frank_dittrich@...mail.com> To: john-dev@...ts.openwall.com Subject: Re: Mask mode (was Password Generation on GPU) On 01/06/2013 11:02 AM, Myrice Li wrote: > Here is the very initial implementation for mask mode. > > I have only tested with raw-md5 format. Currently the mask mode is very > simple. It can do crack with following masks: > ?l : lower case (a-z) > ?u: upper case (A-Z) > ?d: digits (0-9) For a first implementation hard coding the character classes is certainly OK. A final implementation will have to use the character classes defined elsewhere, to make sure ?l also contains non-ASCII lower case letters depending on the encoding, and to automatically use any other character classes that may be defined in the future (or character classes the user defined in john.conf, for that matter). Did you have a look at rules.c, static void rules_init_classes(void) to see what's already there? Frank
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