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Date: Mon, 27 Apr 2020 12:33:57 +0200
From: MA40 <ardeinternet@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: Bitcoin and John the Ripper - Algorithm update. When?
Hi.
Yes, sorry. The program works correctly, I was in error.
Thank you very much.
MA40.
El dom., 26 abr. 2020 a las 20:17, Solar Designer (<solar@...nwall.com>)
escribió:
> Hi,
>
> On Sun, Apr 26, 2020 at 07:34:06PM +0200, MA40 wrote:
> > With John the Ripper you can find the passwords for the "wallet.dat" file
> > hashes. The private keys of the Bitcoins that the owner of the file owns
> > are encrypted in these files.
> >
> > The hashes of the "wallet.dat" files are recorded using two different
> > algorithms:
> >
> > - One results in hashes starting with "$bitcoin$96$..." (This is
> the
> > old one).
> >
> > - And the other, (the modern one), results in hashes starting with
> > "$bitcoin$64$...".
>
> This is the same algorithm with a different parameter value: length of
> included data. We've switched to including less data as part of Dhiru
> Kholia's commit in 2018 (thus, prior to release of JtR 1.9.0-jumbo-1),
> "Generate less revealing hashes for Bitcoin wallets (#3290)". We've
> started generating even less revealing "hashes" in bleeding-jumbo after
> the 1.9.0-jumbo-1 release, but that's a separate story. Those even
> newer "hashes" are supposed to also be supported by 1.9.0-jumbo-1 and
> even older. We didn't break compatibility.
>
> > The latest version of John the Ripper (v-1.9.0), which is from April 12,
> > 2019, only works with the old algorithm.
>
> What makes you think so? My understanding is that 1.9.0-jumbo-1, as
> well as the truly latest code in bleeding-jumbo, are both supposed to
> work with both of the above kinds of Bitcoin "hashes".
>
> > Can the next version be expected to bring the modern algorithm built-in?
> > When?
>
> At least per my understanding, we already support all of this.
>
> Alexander
>
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