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Date: Wed, 5 Sep 2018 07:19:33 +0200 (CEST)
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To: "Girvin Herr (gherrl AT fastmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
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From: gedau AT igor2 DOT repo DOT hu
Subject: Re: [geda-user] [pcb-rnd] anniversary release: 2.0.1
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Hello Girvin,

On Tue, 4 Sep 2018, Girvin Herr (gherrl AT fastmail DOT com) [via geda-user AT delorie DOT com] wrote:

> Greetings,
>
> I just downloaded this version. However, there does not seem to be a check 
> file to verify the contents. Is there an md5, or better, a gnupg ".asc" file 
> to verify the file I downloaded is correct?
>
> If an asc file, where can I find the gnupg key to check it with?

Here are the md5sums:

ee0974eeff3f256f295b80cf993ac8e0  changelog-2.0.1.txt
a2f2cf0651851fce54dfed13b9ca3e5c  pcb-rnd-2.0.1.tar.bz2
31f5fbff478fad8fa9ada5db26953230  pcb-rnd-2.0.1.tar.gz
c0a16d875eb2d84f40c7acba26d203cc  pcb-rnd-2.0.1.zip
dd523cba0e62e315c409c9fc9e04e61f  relnotes-2.0.1.txt

sha1sums:

d39014632b5da585a51715af11cc069288800253  changelog-2.0.1.txt
3f00ceb8e58c298109437ee187ef382cc64b5c86  pcb-rnd-2.0.1.tar.bz2
37793ad5a2414b9c67cb386eee711f62b94b5899  pcb-rnd-2.0.1.tar.gz
5e9efd428625b92dff8201fb510e3160c52399ae  pcb-rnd-2.0.1.zip
534a9764d0a394813c64138ba2379178e37d3f7a  relnotes-2.0.1.txt

Transmission:

If you are worried about truncated files: the http header contains the 
file length so your browser or donwloader would know if it received a 
truncated file. If about transmission errors (random bits changing): 
tcp/ip has checksums built in, that's usually enough, but probably 
gzip/bz2 would also detect the problem.

Security:

We don't have automatism for checksum publication, because we don't have a 
second channel (everything goes through repo.hu) so it wouldn't mitigate 
an attack against repo.hu. I am sending this mail from repo.hu too so 
although you get it through DJ's mailing list server, the md5sums are 
really coming from the same machine as the tarballs - won't increase 
security. I mean if a hypotetical attacker gains access to that machine 
and alter the tarballs, he'd also alter the checksums or 
signature published from/on the same machine.

Best regards,

Igor2