Date: Mon, 29 Jul 2019 16:49:37 +0200 From: Solar Designer <solar@...nwall.com> To: john-users@...ts.openwall.com Subject: Re: Trouble cracking with MD5+Salt On Mon, Jul 29, 2019 at 10:31:25AM -0400, Rich Rumble wrote: > Thanks! It turned out to be -format=Dynamic_12, and I'm getting around > 60p/s per thread... This suggests you have about 100k different salts, right? > is Dynamic_* implemented in GPU? No. > Mybb/IPB hash is just md5 a few times, Yes. > which is implemented in GPU for jtr, No, it currently is not. Oh, you mean MD5 on its own? Then yes. > would I need to make > a kernel or anything to take advantage of my other hardware? Yes, or use hashcat. Apparently, this is "-m 2811" there. I suggest you run CPU attacks on these hashes with JtR, and GPU attacks with hashcat. If you have the corresponding usernames (or better yet, even more user-specific info) and put them into the right fields (mimic Unix /etc/passwd), then JtR's "--single" will be quite effective. Alexander
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