Date: Sun, 14 Aug 2011 21:55:42 -0500 From: "JimF" <jfoug@....net> To: <john-users@...ts.openwall.com> Subject: Re: Re: md5(md5($p).$s) - VB Format 6 and 7 are 'somewhat' the same. There are 2 stipulations put on format 7. The first is that the salt MUST be 3 bytes long. This stipulation is not part of format 6. Format 6 does work with 3 byte salt, and will also work with longer salts. I think the max is 25 byte salt (for length reasons). If you need a salt longer than 25 bytes, then you will have to build a non-sse build of john. Also, the other stipulation put on format 7, is that it REQUIRES using a separator char other than the ':' character. Any format in md5_gen 'can' use a separator other than ':'. To do that, you have to build the input file properly, and then use the -fie= command line switch. However, format 7 is written in a way that you are forced to do that. So, you can easily run all that you want, by using the format md5_gen(6). If you do not have any salts with the ':' in them, then you are not 'forced' to use the -fie switch. Jim. ----- Original Message ----- From: "Donovan" <contact.newangels@...il.com> To: <john-users@...ts.openwall.com> Sent: Sunday, August 14, 2011 3:22 PM Subject: [john-users] Re: md5(md5($p).$s) - VB > magnum <rawsmooth@...> writes: > >> >> $ cat donovan.txt >> user md5_gen(7)33be23d72f2650dd0d049cf1e274fe24$M's >> >> $ ./john donovan.txt -fie=" " >> using field sep char ' ' (0x20) >> Loaded 1 password hash ( md5_gen(7): md5(md5($p).$s) (vBulletin) [SSE2 >> 16x4x2 (intr)]) >> >> I just found this odd behaviour when testing: It claims I don't have the >> format unless I give a field separator. >> >> $ ./john -test -fo:"md5_gen(7)" >> Unknown ciphertext format name requested >> >> $ ./john -test -fo:"md5_gen(7)" -fie=" " >> using field sep char ' ' (0x20) >> Benchmarking: md5_gen(7): md5(md5($p).$s) (vBulletin) [SSE2 16x4x2 >> (intr)]... DONE >> >> magnum >> > > Hello Magnum, > > Thanks a lot for your time & your reply... > > ok, understand now i don't put the field-separator ! my bad ! > > so if i understand clearly i have to add an space in the = -fie" ". > > ok done... > > Beside that, can you confirm what about salts uper than 3 > > like those's one by ex ; > > 280f432047839ec4934f0b8f2b691de0:<)k4/1voY.HTuq|Pin-Bt-o,1gx=0x > dadcf9df167d6c7c4d353063a56d514d:jhFK|3$[yy9OAilB_ly"Ip9t:i,k<j > > Thanks again for your help & support, > > Regards, > > Donovan >
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