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Wysocki" , Sebastian Reichel , Trevor Gamblin , Vlastimil Babka , Waqar Hameed Cc: lpcosse-keysigning@baylibre.com, users@linux.kernel.org, linux-kernel@vger.kernel.org, Konstantin Ryabitsev , Krzysztof Kozlowski , Steven Rostedt Subject: Re: PGP keysigning at LPC/OSSE 2026 Message-ID: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="kipdatsgfdtxd6w4" Content-Disposition: inline In-Reply-To: --kipdatsgfdtxd6w4 Content-Type: text/plain; protected-headers=v1; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Subject: Re: PGP keysigning at LPC/OSSE 2026 MIME-Version: 1.0 Hello, On Sun, Sep 27, 2026 at 02:33:22PM +0200, Uwe Kleine-K=C3=B6nig wrote: > Hello, >=20 > now that the registration deadline is over here comes the list > containing the registered participants in the attachment. In case of > transfer issues (e.g. MTAs reencoding the text file), the list is also > available at >=20 > https://openpgpkey.baylibre.com/Fei9keem/keysigning-lpcosse26.txt >=20 > . >=20 > In reply to Krzysztof's concern about how trustworthy a statement > "yesyes, the fingerprint of my certificate on the list that this > suspicious guy created is correct" I dropped the two middle nibbles from > each fingerprint. So you can support your statement about your > fingerprint by providing these two. >=20 > Please print out the list, fill in the hash sums (which we will verify > when we meet), verify your fingerprint and memorize (or write down) the > missing nibbles (if you're on the list) and bring the list to the > meetings together with a pen and a proof of identity (as most people > will probably want to see such a document before certifying your UIDs). > If your hand writing is poor, I recommend filling in the hash sum before > printing. Note that the start of the SHA256 hash sum is already > prefilled, that prefill has to be kept as is when generating the hashes. There is more than one report about confusion with the hash summing. One issue is that if you download the keysigning list directly from lore or via your mail provider's web interface the line endings might be changed =66rom \n to \r\n. So if you calculate SHA256: E0C7BC1A 4A4B2489 ... RIPEMD160: B6C3 5C63 7907 ... retry after perl -p -i -e 's/\x0d\x0a/\x0a/' keysigning-lpcosse26.txt or use the above link. =EF=BF=BC To minimize suprises in Prague: The correct hashsums are: SHA256 Checksum: 4E4F BA5D C653 A423 48CE 7588 5D22 4780 9CA9 3DD5 0D10 D430 8FDB C4A6 F5E4 49FA [ ] RIPEMD160 Checksum: ACC8 72E9 4760 E0A1 A459 D9E9 67B5 AD24 B853 DA82 = [ ] And as people also wondered how I managed to get the start of the SHA256 hash sum into the file: That's brute force iterating through the possible prefixes, putting them into the file and check if the hash then starts with the selected prefix by chance. It took ~1 minute to find "4E4F BA" on my laptop. See https://manpages.debian.org/trixie/signing-party/gpgparticipants-prefill.1.= en.html for the tool I'm using for that. Best regards Uwe --kipdatsgfdtxd6w4 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEP4GsaTp6HlmJrf7Tj4D7WH0S/k4FAmq8pHQACgkQj4D7WH0S /k6EEwf/bWuFRjkAGM/NgCVVyl7bYB9ZEWlZzKcCRowZiluM2AXdPGsLow34nO/3 hQZf4wYLIGkfRDBMwj8STMqqMMW6KuthtvcDdXPyPhEKm0HZCWN8zY+QsbBQ0+Kk VHbRGKFgmiCaKH0dg7HdBVgnIJyivvaJ2WedlmQgusyLhSMsvVJ6LGY10LncOkVk EZSxYN9uDQW9VAudGaB5DFsRWKcZNrzQYo0l50rjNGZ8QqCifv25nFl3iaaYMqHR TiClTixMPZftOXbD+gRT0Ukkx8KE7PQvmooibDWtI/PJKBpfTMWZw/V3xNcFTi06 jUjIbYiAiAUmE2OGS1C7E08gO4YJOw== =XwAz -----END PGP SIGNATURE----- --kipdatsgfdtxd6w4--