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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