Date: Tue, 7 Jun 2011 13:08:47 -0700 From: Dhiru Kholia <dhiru.kholia@...il.com> To: john-dev@...ts.openwall.com Subject: Status Report [4 of 15] Hi All, > 3. Extend drar to support rar files created using "rar -p" option. It seems that RAR -p mode support requires a full RAR decompression engine. (unless some known plaintext attack is found on the recovered compressed stream). Also there seems to be no documentation if RAR internally uses HMAC for the recovered compressed stream. So for the time being, I am moving on new tasks (zip support). Latest RAR patch has been uploaded to the wiki in case someone wants to take a look. > 4. Start working towards adding zip file support to JtR. This is what I plan to work during this and next week. ZIP uses HMAC-SHA1 before decompression is done, which should make this work simpler compared to RAR patch. ... Last week, I published a preliminary pdf support patch which needs further work. I also briefly played around with hdiutil (10.5.6) and vfcrack with no luck (the tools doesn't seem to work for dmg files created by me, more debugging required here). -- Cheers, Dhiru -- Cheers, Dhiru
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