Path: ...!2.eu.feeder.erje.net!feeder.erje.net!newsfeed.bofh.team!paganini.bofh.team!not-for-mail
From: Stefan Claas <pollux@tilde.club>
Newsgroups: sci.crypt
Subject: [Christmas Challenge 2024] Crack Doppelkastenschluessel-Hex
Date: Fri, 20 Dec 2024 21:35:47 +0100
Organization: To protect and to server
Message-ID: <vk4kfn$5as3$1@paganini.bofh.team>
Mime-Version: 1.0
Injection-Date: Fri, 20 Dec 2024 20:36:07 -0000 (UTC)
Injection-Info: paganini.bofh.team; logging-data="174979"; posting-host="exdgKTMkOpXBkIICIavttA.user.paganini.bofh.team"; mail-complaints-to="usenet@bofh.team"; posting-account="9dIQLXBM7WM9KzA+yjdR4A";
User-Agent: flnews/1.3.0pre28 (for GNU/Linux)
Cancel-Lock: sha1:NSHtwysoBk6Na4M7A53x50xcqCg=
X-Date: It's Fri Sep 11434 09:35:47 PM CET 1993, the September that never ends.
X-Ed25519-Sig: dc476da941cdfaa11a75df803193194c33233c2ed87920f592c7a3e90351c583
 1dc2c17e6aafc17543f68839594fac0ace3282bdae9cc73bb9c1e1920fa34506
X-Notice: Filtered by postfilter v. 0.9.3
X-Ed25519-Pub: c0ffee5a36e581eb10f60b2831b3cdb955d2e7ef680dd282a8d43ad8b84b357a
Bytes: 2074
Lines: 31

Hi all,

I recently finished my Doppekastenschluessel-Hex project,
which is a simplified version of the original German WWII
cipher, with hex notation.

For more details check my previous thread 'Seriation'

Your task is to crack the provided message, which uses
only one key for encryption, instead of two (default)
or more.

The message:

75 A2 85 D1 84 59 85 2D 25 CB 85 1C 24 70 27 6C
C5 3C 65 2E 87 6C 8E E7 89 E9 C9 3E 8E 7D 8E D6

Please note: The message is written as normal text and
not like plaintext messages from the old days and with
padding applied.

The price for the Winner is a set of EFF lapel pins and
an orginal sticker for the 'age' encryption file program
and for the Runner-Up an 'age' file encryption sticker.

<https://1drv.ms/i/s!AjK3D2S6tPVNgSvTOonKu70ci9aX?e=KMZCdb>

Send your decrypted result to sacenator<at>gmail<dot>com
and do not post your result here.

Merry Christmas
Stefan