Deutsch   English   Français   Italiano  
<vj834t$v3u9$1@paganini.bofh.team>

View for Bookmarking (what is this?)
Look up another Usenet article

Path: ...!eternal-september.org!feeder3.eternal-september.org!newsfeed.bofh.team!paganini.bofh.team!not-for-mail
From: Stefan Claas <pollux@tilde.club>
Newsgroups: sci.crypt
Subject: Re: Seriation
Date: Tue, 10 Dec 2024 01:48:13 +0100
Organization: To protect and to server
Message-ID: <vj834t$v3u9$1@paganini.bofh.team>
References: <vj1pgp$5u55$1@paganini.bofh.team> <vj4o37$3uq6p$1@dont-email.me> <vj4tf6$g0ta$1@paganini.bofh.team> <vj59mq$2m21$1@dont-email.me> <vj79eb$orpt$1@paganini.bofh.team>
Mime-Version: 1.0
Injection-Date: Tue, 10 Dec 2024 00:48:29 -0000 (UTC)
Injection-Info: paganini.bofh.team; logging-data="1019849"; posting-host="U/G9l/DcEtIZF5xwaqTcAA.user.paganini.bofh.team"; mail-complaints-to="usenet@bofh.team"; posting-account="9dIQLXBM7WM9KzA+yjdR4A";
User-Agent: flnews/1.3.0pre21 (for GNU/Linux)
Cancel-Lock: sha1:toTJAUuFee8WKrvqQogVGMiq6aA=
X-Date: It's Tue Sep 11424 01:48:13 AM CET 1993, the September that never ends.
X-Notice: Filtered by postfilter v. 0.9.3
X-Ed25519-Sig: f0ec112accbb51947297e6498d056132cc189d3393f0e1123960059df3380d79
 4c88c50f1bdc1b8efd110a0a042445ba5aedf58d8021f667532974ca6a95b904
X-Ed25519-Pub: c0ffee5a36e581eb10f60b2831b3cdb955d2e7ef680dd282a8d43ad8b84b357a
Bytes: 2014
Lines: 26

Stefan Claas wrote:

> Anyways, I came up now with the idea to use hex values, so that
> we may come up with some programs, for use in sci.crypt ... :-)
> 
> $ echo -n 'Hello sci.crypt! :-)' | xxd -ps | dkhf
> 48656C6C6F207363
> 692E637279707421
> 203A
> 2D29
> 
> $ echo -n 'Hello sci.crypt! :-)' | xxd -ps | dkhf | seriation
> 46 89 62 5E 66 C3 67 C2 67 F9 27 00 77 34 62 31
> 22 0D 32 A9

To bring messages in the right hex format for seriation, which
can be a bit tricky, I suggest to use padding (multiple of 16
bytes) on the original message(s), prior converting to hex and
seriation.

This guarantees that seriation always works properly.

And padding is in general good practice.

-- 
Regards
Stefan