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Thread: Hash bitcoin brain wallet address from passphase?
Post: Hash bitcoin brain wallet address from passphase?
| So i just found some of my old paper wallet generated. Unfortunately, the ink was blur when i fold it which make some of the characters was lost like this
[hr]
######a2f52RR4xrcLKxWpVA
It lost 6 ... |
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kangduwang |
hashcat
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22 |
17,263 |
07-13-2018, 10:59 AM |
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Thread: Hash bitcoin brain wallet address from passphase?
Post: RE: Hash bitcoin brain wallet address from passpha...
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philsmd Wrote: (07-13-2018, 11:22 AM)
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you need to at least explain what software you used to generate the paper wallet.
My guess is that it is a bip38 or similar "encrypted"/derived private key... |
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kangduwang |
hashcat
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22 |
17,263 |
07-13-2018, 11:40 AM |
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Thread: Hash bitcoin brain wallet address from passphase?
Post: RE: Hash bitcoin brain wallet address from passpha...
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philsmd Wrote: (07-13-2018, 11:42 AM)
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The bitcoin address is derivated from the public key and if you do not know the public key you need to use the elliptic curve operations to generate the priva... |
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kangduwang |
hashcat
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22 |
17,263 |
07-13-2018, 11:51 AM |
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Thread: Hash bitcoin brain wallet address from passphase?
Post: RE: Hash bitcoin brain wallet address from passpha...
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philsmd Wrote: (07-13-2018, 11:52 AM)
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I don't think that the data you have is enough at all. if you only have the password you can't do anything, you need to have the data too (it's like a seed or... |
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kangduwang |
hashcat
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22 |
17,263 |
07-13-2018, 12:00 PM |
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Thread: Hash bitcoin brain wallet address from passphase?
Post: RE: Hash bitcoin brain wallet address from passpha...
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undeath Wrote: (07-13-2018, 11:59 AM)
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The brain wallet is directly derived from the password. According to the website it's just sha256(pw). That will yield the private key, from which you need to... |
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kangduwang |
hashcat
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22 |
17,263 |
07-13-2018, 12:09 PM |
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Thread: Hash bitcoin brain wallet address from passphase?
Post: RE: Hash bitcoin brain wallet address from passpha...
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philsmd Wrote: (07-13-2018, 12:10 PM)
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how do you want to customize it? are you trying to generate the password candidates in a very specific way ? because for "just" sha256 you do not need to cust... |
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kangduwang |
hashcat
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22 |
17,263 |
07-13-2018, 12:13 PM |
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Thread: Hash bitcoin brain wallet address from passphase?
Post: RE: Hash bitcoin brain wallet address from passpha...
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philsmd Wrote: (07-13-2018, 12:16 PM)
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yeah I agree, the code seems to be this one:
https://github.com/pointbiz/bitaddress.org/blob/72aefc03e0d150c52780294927d95262b711f602/src/ninja.brainwallet.j... |
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kangduwang |
hashcat
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22 |
17,263 |
07-13-2018, 12:21 PM |
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Thread: Hash bitcoin brain wallet address from passphase?
Post: RE: Hash bitcoin brain wallet address from passpha...
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undeath Wrote: (07-13-2018, 12:18 PM)
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instead of using hashcat you are probably better off using an existing implementation: https://github.com/ryancdotorg/brainflayer
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Thanks a lot, i'll give... |
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kangduwang |
hashcat
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22 |
17,263 |
07-13-2018, 12:21 PM |
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Thread: Wordlist massive attack
Post: Wordlist massive attack
| Usually when you run a bruce force attack, hardware can generate & compare millions or even billions passphase per seconds. But in wordlist attack, store billions of passphase in text file already tak... |
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kangduwang |
hashcat
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3 |
2,578 |
03-01-2019, 06:35 AM |
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Thread: How can find a sha256 hash start with ***** with hashcat & markprocessor?
Post: How can find a sha256 hash start with ***** with h...
| Instead of find a full hash, is there anyway for hashcat to find a bunch of hash start with a given prefix & print it to a file? How may i do that? |
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kangduwang |
hashcat
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2 |
1,119 |
12-26-2019, 05:09 AM |
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Thread: Hash bitcoin brain wallet address from passphase?
Post: RE: Hash bitcoin brain wallet address from passpha...
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philsmd Wrote: (07-13-2018, 12:05 PM)
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oh. we are suddently speaking about brain wallets? The OP didn't mention that and the other post was modified to include "brain wallet". Yeah, that's a differ... |
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kangduwang |
hashcat
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22 |
17,263 |
07-13-2018, 12:10 PM |
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Thread: Hash bitcoin brain wallet address from passphase?
Post: RE: Hash bitcoin brain wallet address from passpha...
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philsmd Wrote: (07-13-2018, 12:59 PM)
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yeah, that sounds acceptable (and almost exactly the amount of time I was thinking about that would be needed by a mid/high end consumer CPU).
This also proof... |
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kangduwang |
hashcat
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22 |
17,263 |
07-13-2018, 04:50 PM |
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Thread: How can find a sha256 hash start with ***** with hashcat & markprocessor?
Post: RE: How can find a sha256 hash start with ***** wi...
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philsmd Wrote: (12-26-2019, 11:38 AM)
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have a look at -m 5100 = Half MD5 which does more or less exactly what you describe (just for MD5 instead of sha256)... the problem with too small prefixes is... |
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kangduwang |
hashcat
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2 |
1,119 |
12-27-2019, 10:04 AM |
