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Thread: SHA256 bug when salt is really big?
Post: RE: SHA256 bug when salt is really big?
| oclHaschat only implements a single block of sha256, therefore total input (salt + plain) cannot exceed the size of one block. |
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epixoip |
Old oclHashcat Support
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9 |
16,286 |
02-13-2014, 08:35 PM |
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Thread: SHA256 bug when salt is really big?
Post: RE: SHA256 bug when salt is really big?
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epixoip |
Old oclHashcat Support
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9 |
16,286 |
02-13-2014, 08:57 PM |
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Thread: SHA256 bug when salt is really big?
Post: RE: SHA256 bug when salt is really big?
| yes. and it does crack the password. except there does seem to be a bug as it does mangle up the plaintext.
Code:
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epixoip@token:~/oclHashcat-1.02$ ./oclHashcat64.bin -d 1 -n 1 -m 1410 ~/example_... |
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epixoip |
Old oclHashcat Support
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9 |
16,286 |
02-13-2014, 09:16 PM |
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Thread: SHA256 bug when salt is really big?
Post: RE: SHA256 bug when salt is really big?
| Ah ok, yeah, that's more clear. So yes, you should file a bug report about this on Trac. Might also want to include the bug in my example as well, where it cracked "1234567" as "4321[76" (not just a d... |
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epixoip |
Old oclHashcat Support
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9 |
16,286 |
02-13-2014, 09:59 PM |
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Thread: sha512 line length exception
Post: RE: sha512 line length exception
| $6$ hashes in /etc/shadow are not sha512($salt.$pass). try harder. |
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epixoip |
General Help
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2 |
7,056 |
03-28-2013, 05:23 AM |
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Thread: sha512 Unix
Post: RE: sha512 Unix
| sha512crypt (-m 1800) support was added in -plus v0.09 and -lite v0.10 |
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epixoip |
Very old oclHashcat-lite Support
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9 |
20,265 |
10-14-2012, 03:30 AM |
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Thread: sha512 Unix
Post: RE: sha512 Unix
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DiG Wrote: (10-15-2012, 12:43 AM)
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Not the UNIX variant if I understand correctly, hence MuMMeL's question. Hashcat-plus does implement sha512crypt but is too slow on my GPU (500c/s). I've been try... |
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epixoip |
Very old oclHashcat-lite Support
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9 |
20,265 |
10-16-2012, 01:05 AM |
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Thread: SHA512 without salt
Post: RE: SHA512 without salt
| Ok I did some digging into this one and was able to figure out what you've got.
My initial assumption was that the salt was null and that what you had was equivalent to "$6$rounds=5000$$", which assu... |
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epixoip |
hashcat
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4 |
5,167 |
06-29-2017, 11:00 PM |
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Thread: SHA512 without salt
Post: RE: SHA512 without salt
| Yeah, I'm going to open an issue for a few cases I ran into. Some quick examples:
When I input `$6$$rounds=5$gTCqLuWl...` hashcat turns it into `$6$$rounds65qgTCqLuWl...`
When I input `$6$rounds=500... |
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epixoip |
hashcat
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4 |
5,167 |
06-30-2017, 05:26 PM |
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Thread: sha512($salt.md5($password))
Post: RE: sha512($salt.md5($password))
| Wow, that's much improved over the old dynamic formats. Which only serves to remind me that I really need to find some spare time to work on my dynamic cracker. |
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epixoip |
General Help
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3 |
5,966 |
07-19-2015, 10:57 AM |
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Thread: sha512crypt hash error
Post: RE: sha512crypt hash error
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epixoip |
Very old oclHashcat-plus Support
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10 |
24,508 |
10-01-2012, 09:37 PM |
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Thread: sha512crypt issue
Post: RE: sha512crypt issue
| Phenom x4 is your CPU. mastercracker asked about your GPU. |
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epixoip |
Old oclHashcat Support
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9 |
13,806 |
03-03-2014, 03:39 AM |
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Thread: Share your vclHashcat-lite speeds
Post: RE: Share your vclHashcat-lite speeds
| They are lower on GigE -- not due to bandwidth, but due to latency. Ethernet latencies are too high. |
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epixoip |
General Talk
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29 |
55,584 |
12-02-2012, 07:28 PM |
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Thread: Share your vclHashcat-lite speeds
Post: RE: Share your vclHashcat-lite speeds
| The 5870 totally pushed it over the edge :) |
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epixoip |
General Talk
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29 |
55,584 |
12-03-2012, 09:25 AM |
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Thread: Share your vclHashcat-lite speeds
Post: RE: Share your vclHashcat-lite speeds
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jnet Wrote: (12-03-2012, 10:14 PM)
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Very impressive numbers! So vclhashcat-lite v0.11 will support mixed-GPUs.
Any idea when this will be released for the public?
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current version of lite al... |
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epixoip |
General Talk
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29 |
55,584 |
12-04-2012, 03:09 PM |
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Thread: Share your vclHashcat-lite speeds
Post: RE: Share your vclHashcat-lite speeds
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tatgdi Wrote: (12-03-2012, 11:35 PM)
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What brand/model of Infinibad HBA adapter is used within each system?(X4 SDR interconnect)
What brand/model of Infinibad switch did you acquire?
What type of c... |
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epixoip |
General Talk
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29 |
55,584 |
12-04-2012, 03:24 PM |
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Thread: Share your vclHashcat-lite speeds
Post: RE: Share your vclHashcat-lite speeds
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mastercracker Wrote: (12-04-2012, 04:00 PM)
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These numbers are just crazy. Just owning these cards is very expensive but amazing results. If you are free for CMIYC 2013 we could make you a spot i... |
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epixoip |
General Talk
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29 |
55,584 |
12-04-2012, 06:48 PM |
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Thread: Share your vclHashcat-lite speeds
Post: RE: Share your vclHashcat-lite speeds
| For those interested that either aren't at Passwords^12 or do not use Twitter, I've posted my Passwords^12 presentation about VCL clustering with Hashcat at https://bindshell.nl/pub/Password_Cracking_H... |
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epixoip |
General Talk
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29 |
55,584 |
12-04-2012, 06:52 PM |
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Thread: Share your vclHashcat-lite speeds
Post: RE: Share your vclHashcat-lite speeds
| yes, i was there briefly to socialize |
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epixoip |
General Talk
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29 |
55,584 |
12-05-2012, 05:28 AM |
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Thread: Share your vclHashcat-lite speeds
Post: RE: Share your vclHashcat-lite speeds
| no, supercl just shifts where you need the high bandwidth/low latency link from between your broker and compute nodes, to between your compute nodes and your storage.
why do you want to eliminate inf... |
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epixoip |
General Talk
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29 |
55,584 |
12-15-2012, 02:29 AM |
