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Message-ID: <CAEUbfUA6V1THWVk6s2cZz6vCdvATAt04puhw_-jg9Hy1=wSyYw@mail.gmail.com>
Date: Sat, 6 Dec 2025 18:47:44 -0500
From: Daniel Isenberg <djisenberg2015@...il.com>
To: john-users@...ts.openwall.com
Subject: zip-opencl FAILED (crypt_all(1) = 0

My first question is if this is the correct way to ask questions/use the
mailing list, but as that will likely answer itself, I'll move onto my next
one.

I've been trying to get the zip-opencl format to work on several AMD GPU's.
(An R7 450 verde and some older Oland cards) but they fail. This is the
output with verbosity set to 5:

./john --test=10 --format=zip-opencl --devices=1
initUnicode(UNICODE, RAW/RAW)
RAW -> RAW -> RAW
0: No OpenCL devices were found on platform #2: CL_DEVICE_NOT_FOUND (-1)
Device 1: AMD Radeon (TM) R9 M360 (verde, LLVM 15.0.7, DRM 3.64,
5.15.0-163-generic)
Benchmarking: ZIP-opencl, WinZip [PBKDF2-SHA1 OpenCL]... Loaded 4 hashes
with 4 different salts to test db from test vectors
Build time: 182.729 us
LWS=256 GWS=256 (1 blocks) FAILED (crypt_all(1) = 0 for
$zip2$*0*1*0*0675369741458183*5dc5*0**36b85538918416712640*$/zip2$)

This looks a lot like https://github.com/openwall/john/issues/5709 however
that workaround has been applied in the bleeding edge release that I am
using. Instead of the output being (cmp_one(1)) in my case it
is (crypt_all(1) = 0).

Does anyone have any idea what the problem is or how I might fix it? I have
a wide assortment of both nvidia and amd cards at my disposal. Could I
contribute by running the --test=0 and making the results and other info
available to the developers, and hopefully get my particular issue resolved
in the process?

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