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Search Results
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Thread: Is this WPA2 Password uncrackable?
Post: RE: Is this WPA2 Password uncrackable?
| Sorry I didn't realize the length of your mask was 12 bytes long. Hashcat stores keyspace as a uint64 and 62^12 is greater than 2^64-1, hence it is causing an integer overflow, and that's why Hashcat ... |
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epixoip |
hashcat
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13 |
12,980 |
06-20-2017, 01:59 AM |
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Thread: Is this WPA2 Password uncrackable?
Post: RE: Is this WPA2 Password uncrackable?
| No, I don't think so.
https://www.wolframalpha.com/input/?i=is+62%5E12+greater+than+(2%5E64-1)
https://www.wolframalpha.com/input/?i=62%5E12+to+base+16 (click More under Other Data Types)
Quo... |
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epixoip |
hashcat
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13 |
12,980 |
06-20-2017, 06:23 PM |
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Thread: Best bang for the buck today?
Post: RE: Best bang for the buck today?
| Thanks for doing your homework before posting! You have a bright future here.
You're on the right track and you definitely have the right idea buying used. However, 'best bang for the buck' really ... |
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epixoip |
Hardware
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4 |
12,946 |
09-27-2014, 08:15 AM |
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Thread: Best bang for the buck today?
Post: RE: Best bang for the buck today?
| That's not really a problem. All of the cards that we run in our datacenter (except for like 8 of them) are used, most all of which were bought from retired litecoin miners who realized they couldn't ... |
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epixoip |
Hardware
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4 |
12,946 |
09-27-2014, 06:47 PM |
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Thread: Tesla K20m sha512crypt dictionary attack performance issues
Post: RE: Tesla K20m sha512crypt dictionary attack perfo...
| this is a salted algorithm and you have 10 salts, so your effective speed will be 10x slower than if you were cracking a single hash. 2533 H/s * 10 = 25330 H/s which is damn close to your benchmark va... |
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epixoip |
Old oclHashcat Support
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5 |
12,932 |
02-24-2014, 01:50 PM |
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Thread: Tesla K20m sha512crypt dictionary attack performance issues
Post: RE: Tesla K20m sha512crypt dictionary attack perfo...
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afra Wrote: (02-24-2014, 01:51 PM)
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The REAL issue is why a system with half the video cards performed as fast as mine.
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that was with a different program, with likely a different driver, so yo... |
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epixoip |
Old oclHashcat Support
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5 |
12,932 |
02-24-2014, 02:04 PM |
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Thread: why not crack MD5 16bit ?
Post: RE: why not crack MD5 16bit ?
| that's not 16 bit, that's 64 bit. and you're probably not specifying the correct mode. |
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epixoip |
General Help
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6 |
12,896 |
05-16-2014, 05:31 AM |
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Thread: Performance drop with partially known long plain NTLM
Post: RE: Performance drop with partially known long pla...
| this is expected because you aren't giving the left side enough work to do. i'm surprised your gpu utilization is that high, when i try your mask i only get about 2% utilization on one GPU. |
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epixoip |
Very old oclHashcat-lite Support
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7 |
12,891 |
11-07-2012, 01:14 AM |
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Thread: Mask letters and numbers
Post: RE: Mask letters and numbers
| Actually, his problem does involve the GUI. If he were using the command line, he could have copy/pasted the solution that coolbry95 provided. Instead he fumbled around with what to enter into each bo... |
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epixoip |
General Help
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7 |
12,882 |
04-16-2015, 09:44 PM |
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Thread: Cost optimized GPU farm
Post: RE: Cost optimized GPU farm
| Stay away from the 2027GR-TRFH. I know it looks tempting, six GPUs in 2U, but it does not work for our purposes.
First, it requires passive GPUs with a special mounting bracket (which Teslas have.)... |
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epixoip |
Hardware
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3 |
12,866 |
12-03-2013, 12:24 AM |
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Thread: Cost optimized GPU farm
Post: RE: Cost optimized GPU farm
| you don't really gain anything with expansion enclosures since you're still going to hit the 8 GPU limit, plus you have the drawback of increased startup latency due to sharing 8 devices over one lane... |
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epixoip |
Hardware
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3 |
12,866 |
12-04-2013, 12:16 AM |
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Thread: long mask issue
Post: RE: long mask issue
| This approach is only advantageous if you know e.g. the exact algorithm used to produce the random numbers and know the algorithm has some flaw you can exploit to attempt to predict the numbers. Other... |
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epixoip |
hashcat
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11 |
12,851 |
02-12-2017, 08:08 AM |
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Thread: long mask issue
Post: RE: long mask issue
| This thread just went from completely braindead to full flat-line. I'm closing it. |
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epixoip |
hashcat
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11 |
12,851 |
02-13-2017, 01:32 AM |
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Thread: Learning to crack 7z archives
Post: RE: Learning to crack 7z archives
| 7zip is a very slow algorithm, so your attacks have to be very targeted. Also your GPU is not very good for hash cracking, so you have to be even smarter about your attacks than those with better-perf... |
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epixoip |
Old oclHashcat Support
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4 |
12,841 |
08-29-2015, 12:54 AM |
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Thread: Learning to crack 7z archives
Post: RE: Learning to crack 7z archives
| No, your GPU should be several times faster than your CPU for this. |
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epixoip |
Old oclHashcat Support
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4 |
12,841 |
08-29-2015, 02:45 AM |
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Thread: oclHashcat without window manager
Post: RE: oclHashcat without window manager
| just because you need to run x11 doesn't mean you need to run oclHashcat from within a window manager. you can still run it at console if you export the appropriate display. |
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epixoip |
General Help
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7 |
12,783 |
12-31-2012, 02:18 AM |
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Thread: Founders Edition out of stock
Post: RE: Founders Edition out of stock
| Don't buy an OEM card, that's dumb. Just wait the drought out. New GPUs are coming. |
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epixoip |
Hardware
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12 |
12,781 |
08-10-2017, 08:57 PM |
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Thread: Founders Edition out of stock
Post: RE: Founders Edition out of stock
| OEM design cards are garbage. If you don't know why:
https://hashcat.net/forum/thread-3949-post-22844.html#pid22844
https://hashcat.net/forum/thread-4386-post-24996.html#pid24996 |
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epixoip |
Hardware
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12 |
12,781 |
08-11-2017, 08:36 AM |
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Thread: Founders Edition out of stock
Post: RE: Founders Edition out of stock
| 0. Wait for new cards. We're speculating end of Q3/early Q4, but we don't know for sure because Nvidia is always notoriously tight-lipped about when new products will drop.
1. GTX 1080 Ti gets alon... |
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epixoip |
Hardware
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12 |
12,781 |
08-13-2017, 04:29 AM |
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Thread: Linux Shadow hashes
Post: RE: Linux Shadow hashes
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undeath Wrote: (07-12-2017, 12:08 PM)
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Yes. Most unix systems use PBKDF2 with some default settings for hashing
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No, crypt(3) does not implement PBKDF2. md5crypt and sha2crypt are distinctly di... |
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epixoip |
hashcat
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7 |
12,730 |
07-16-2017, 08:09 AM |
