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Thread: Blockchain hash
Post: RE: Blockchain hash
| crack the hashes you obtain with with extract-blockchain-second-hash.py -m 18800 = Blockchain, My Wallet, Second Password (SHA256)
if you have removed the double encryption (BOTH encryptions), you ... |
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philsmd |
hashcat
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10 |
4,442 |
04-16-2019, 11:12 PM |
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Thread: Blockchain hash
Post: RE: Blockchain hash
| so as far as I understood, the question (also in regards to your PM) was how to obtain the intermediate results between the two decryption step. Well, it's just using PBKDF2-HMAC-SHA1 (32 byte output)... |
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philsmd |
hashcat
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10 |
4,442 |
04-17-2019, 08:46 AM |
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Thread: Blockchain method shows as 12700 in example hashes online
Post: RE: Blockchain method shows as 12700 in example ha...
| read this:
https://hashcat.net/trac/ticket/645#comment:3
If you use version 1.37 (which is an older version than the beta version mentioned), it won't work. |
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philsmd |
Old oclHashcat Support
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4 |
5,838 |
10-29-2015, 05:42 PM |
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Thread: Blockchain method shows as 12700 in example hashes online
Post: RE: Blockchain method shows as 12700 in example ha...
| The betas are not public and version 1.38 is not released yet. You need to be beta tester to get access to betas.
https://hashcat.net/wiki/frequently_asked_questions#how_do_i_become_a_beta-tester |
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philsmd |
Old oclHashcat Support
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4 |
5,838 |
10-29-2015, 05:51 PM |
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Thread: Blockchain second pass decrypt error
Post: RE: Blockchain second pass decrypt error
| are you sure that this wallet uses a second password at all ? Did you try to validate and find out the details and that the password works with another tool (or the blockchain web page) ?
From your... |
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philsmd |
hashcat
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2 |
1,750 |
04-06-2019, 09:17 AM |
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Thread: Blockchain second pass decrypt error
Post: RE: Blockchain second pass decrypt error
| Thanks to Proxerboss I was able to troubleshoot this problem (he has send me an empty encrypted wallet with 2nd password that fails for him to accept the password with btcrecover).
I've now analyze... |
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philsmd |
hashcat
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2 |
1,750 |
04-13-2019, 03:49 PM |
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Thread: Blockchain Wallet
Post: RE: Blockchain Wallet
| my guess is that you already should have a backup of your JSON file downloaded beforehand, ready to be used for recovery and saved to your disk ?
If you didn't make any backups and don't have any fil... |
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philsmd |
hashcat
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6 |
1,279 |
06-17-2020, 01:00 PM |
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Thread: Blockchain Wallet
Post: RE: Blockchain Wallet
| oh, this is actually interesting that the support team is offering you to kind of spam them with login requests. My guess is that there will still be a limit, it might just be a little bit larger (for... |
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philsmd |
hashcat
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6 |
1,279 |
06-19-2020, 09:12 AM |
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Thread: Bottleneck, and my 31 character limit. Ideas?
Post: RE: Bottleneck, and my 31 character limit. Ideas?
| seriously?
3 forum threads for exactly the same problem within just a couple of hours/days this is against following forum rules ( https://hashcat.net/forum/announcement-2.html ):
Do not double post.... |
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philsmd |
Old oclHashcat Support
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30 |
45,031 |
04-09-2015, 03:59 PM |
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Thread: Brain - couple of questions
Post: RE: Brain - couple of questions
| features should be used as they were meant to be used. brain is not a replacement for the -s / -l option or a distributed cracking setup.
you could/should use something like hashtopolis (which btw ... |
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philsmd |
hashcat
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2 |
1,271 |
06-10-2019, 01:03 PM |
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Thread: Brain and restore, possible bug/intentional feature ?
Post: RE: Brain and restore, possible bug/intentional fe...
| well, the fact that you can't change the command line actually makes sense according to this:
https://hashcat.net/faq#can_i_restore_a_hashcat_session
Quote:
--
the only parameters allowed
--
... |
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philsmd |
hashcat
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1 |
810 |
10-14-2019, 11:34 AM |
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Thread: Brain is much slower than expected
Post: RE: Brain is much slower than expected
| I would suggest starting with reading this: https://hashcat.net/forum/thread-7903.html (most importantly the section "Major Feature: The hashcat brain").
of course the brain is most efficient and I... |
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philsmd |
hashcat
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5 |
2,964 |
04-16-2019, 10:55 PM |
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Thread: Brain is much slower than expected
Post: RE: Brain is much slower than expected
| I guess that depends on how large the percentage of rejected passwords is and how fast the algorithm is.
brain doesn't make the H/s speed of your GPUs faster, that only depends on the OpenCL device... |
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philsmd |
hashcat
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5 |
2,964 |
04-19-2019, 01:35 PM |
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Thread: Brain server can't write above 4GB
Post: RE: Brain server can't write above 4GB
| do you say that the release version is not affected or do you just mention the beta because you emphasize that it's a problem that isn't fixed ?
what are your system specs ? enough RAM / disk space... |
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philsmd |
hashcat
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13 |
2,476 |
05-29-2020, 09:11 PM |
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Thread: Brain server can't write above 4GB
Post: RE: Brain server can't write above 4GB
| I guess a developer or at least somebody able to debug the src/brain.c code would need to try to troubleshoot, repdroduce and try to fix this problem.
Are you sure the disk isn't busy writting ?
Why... |
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philsmd |
hashcat
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13 |
2,476 |
05-30-2020, 05:28 PM |
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Thread: Brain server can't write above 4GB
Post: RE: Brain server can't write above 4GB
| very good test. somehow I had a feeling that this could be the case, because these things were stress tested already (but as we can guess now, it was mainly tested on linux systems).
The root cause... |
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philsmd |
hashcat
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13 |
2,476 |
05-31-2020, 08:58 AM |
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Thread: Brain server can't write above 4GB
Post: RE: Brain server can't write above 4GB
| I've now tested with a win10 machine with 8GB RAM (I know it probably should be more for a good test), but the results are similar to yours, my changes:
Code:
--
diff --git a/src/brain.c b/src/bra... |
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philsmd |
hashcat
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13 |
2,476 |
05-31-2020, 01:54 PM |
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Thread: Brain server can't write above 4GB
Post: RE: Brain server can't write above 4GB
| Yeah this seems to be exactly the case. I also did some further checks.
What is weird is that this is neither documented, nor mentioned a lot.
I also tested that the type of the passed numbers (... |
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philsmd |
hashcat
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13 |
2,476 |
05-31-2020, 09:15 PM |
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Thread: Brain server can't write above 4GB
Post: RE: Brain server can't write above 4GB
| it's actually not a problem if you can't manage to test this patch... it would just make sense to test it further before we include it into the beta versions.
I will probably do some more tests and... |
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philsmd |
hashcat
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13 |
2,476 |
06-01-2020, 11:19 AM |
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Thread: brain-server
Post: RE: brain-server
| there was a problem with starting the hashcat brain with version 5.0.0 on windows (see https://github.com/hashcat/hashcat/issues/1738#issuecomment-434274579).
This problem is already fixed and the la... |
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philsmd |
hashcat
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4 |
4,680 |
11-19-2018, 11:46 AM |
