john-users - FPGA Acceleration Support for --format=bitcoin

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Message-ID: <CAGSLPCaxmw9SpvtN773n11BP92xXmF3juQ-E_zBa_6g1pEi8cg@mail.gmail.com>
Date: Mon, 21 Apr 2025 18:53:07 +0530
From: Pentester LAB <pentesterlab3@...il.com>
To: john-users@...ts.openwall.com
Subject: FPGA Acceleration Support for --format=bitcoin

Dear John the Ripper Support Team,

I am currently evaluating FPGA-based acceleration for password recovery
operations and would like to confirm compatibility with the John the Ripper
Jumbo edition.

Specifically, I am interested in using the --format=bitcoin hash type
(e.g., hashes generated via bitcoin2john.py) with FPGA devices such as the
ZTEX USB-FPGA 1.15y or other supported platforms.

Could you please confirm whether the --format=bitcoin is compatible with
the existing FPGA acceleration framework in John the Ripper, or if this
format is currently supported only via CPU/GPU (OpenCL) backends?

Thank you for your time and assistance.

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