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Fri, 29 Apr 2022 15:11:43 -0400 (EDT) Message-ID: <38fcdec1-290a-4d7b-3736-bb6947525c2e@philipmcgrath.com> Date: Fri, 29 Apr 2022 15:11:41 -0400 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.1 Subject: =?UTF-8?Q?Re=3a_Finding_a_=e2=80=9cgood=e2=80=9d_OpenPGP_key_server?= Content-Language: en-US To: =?UTF-8?Q?Ludovic_Court=c3=a8s?= , Tanguy LE CARROUR References: <164966505518.14431.3309259068866383863@localhost> <87tuaqw36n.fsf@gnu.org> From: Philip McGrath In-Reply-To: <87tuaqw36n.fsf@gnu.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=66.111.4.25; envelope-from=philip@philipmcgrath.com; helo=out1-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: guix-devel@gnu.org Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: "Guix-devel" X-Migadu-Flow: FLOW_IN X-Migadu-To: larch@yhetil.org X-Migadu-Country: US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1651259525; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post:dkim-signature; bh=p0quVp/7qpsIMuFVcLNcxMLYptHeUvuq6d9Uwvks6uo=; b=a5YTKjdWUMmX9HNWuhYCfGsvKp4Ybd7tMybMU2MbSUAeZmSJ54pothuF4X47d4cf0j6JjY PwHZxGZAyKrZGttj2cRC9YDzLXUmdEVUGI42l4ZWbzEgubfn30yvcFy0Iv0LE9RH0v6xng vb6g6j64rTdQNDW4yEY+m9CtecBHTbDD+zoO3Onj4vJxl0f7GSyyu+jEkBQWFNsiL89N+K GlW5Bc78LvedLzvgJKu8MfL/goh5tWiZNq1HJ7b1wiR6uasiMt/ZGzfiGf9XWqCRWHErOt bdML+XFdcyijsjy+t3IJQ8XJJk9Z4t0q6WaL0CdZ6IEefIctPVXdeBLmvuLD5g== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1651259525; a=rsa-sha256; cv=none; b=Un0ZLfbkAIpMohnSJCCnfC4gg6b6KeGFF5TfgcajoZmYkX1Bz9f7FBY2tjNtV5hV6MxUJ3 34eICMlV7BDie7xKQ9JwRZcM+SdjMzQZZeJdpF9MQLT233AEK0T5x47GrAgvomLJCBbqfD wqbjLFA68u8PVgKlO97Xiw76Gw14onA9Hg+6ncOXDX01ufGembcjGvBNv8H2ixOZ4g/kPi fRMWsrq35ARCfkC+wHaSHoSr2taPGHOKrotVaE0Lw+9kds6keRua0I8UlyzUaZlxOhtrKA xqnv95H9JJR5kBk/q97tX+LoL7QNHDlhtcz3dba5UKGspaYqQYzHhi0ARa2mUQ== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=philipmcgrath.com header.s=fm1 header.b=jQdSZOOP; dkim=fail ("headers rsa verify failed") header.d=messagingengine.com header.s=fm1 header.b=wywAp5Zk; dmarc=none; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: 0.10 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=philipmcgrath.com header.s=fm1 header.b=jQdSZOOP; dkim=fail ("headers rsa verify failed") header.d=messagingengine.com header.s=fm1 header.b=wywAp5Zk; dmarc=none; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: 519D03ACC2 X-Spam-Score: 0.10 X-Migadu-Scanner: scn0.migadu.com X-TUID: g63rH5xfQzoT Hi, On 4/18/22 16:24, Ludovic Courtès wrote: > Hi, > > Tanguy LE CARROUR skribis: > >> gpgv: Signature made Wed 16 Sep 2020 22:30:16 CEST >> gpgv: using RSA key 6115012DEA3026F62A98A556D6B570842F7E7F8D >> gpgv: Can't check signature: No public key >> Would you like to add this key to keyring '/home/tanguy/.config/guix/upstream/trustedkeys.kbx'? >> yes >> gpg: keyserver receive failed: No data > > This indicates that ‘guix refresh’ failed to download the relevant GPG > key from the default key server, the one that appears in > ~/.gnupg/dirmngr.conf (if it exists). > > That’s unfortunately often the case these days. :-/ This key appears to > be on keys.openpgp.org, but it lacks a “user ID” packet and so gpg > ignores it (for no good reason): > > --8<---------------cut here---------------start------------->8--- > $ gpg --no-default-keyring --keyring /home/ludo/.config/guix/upstream/trustedkeys.kbx --keyserver keys.openpgp.org --recv-keys 6115012DEA3026F62A98A556D6B570842F7E7F8D > gpg: key D6B570842F7E7F8D: no user ID > gpg: Total number processed: 1 > $ gpg --no-default-keyring --keyring /home/ludo/.config/guix/upstream/trustedkeys.kbx --list-keys 6115012DEA3026F62A98A556D6B570842F7E7F8D > gpg: error reading key: No public key > --8<---------------cut here---------------end--------------->8--- > > I’m not sure what a good solution is (other than looking for the key > manually on Savannah or on some random key server). > Many distributions of GnuPG include a patch to handle keys without “user ID” packets.[1] In fact, it may well be *most* distributions: Debian, Fedora, Nix, OpenSUSE[2], and at least one commonly-recommended installation option for Mac. Debian packagers have argued [3]: > I think GnuPG's inability to receive these > kinds of cryptographic updates to OpenPGP certificates that it knows > about is at core a security risk (it makes it more likely that users > will use a revoked key; or will be unable to use any key at all, and > will send plaintext). Unfortunately, the upstream GnuPG maintainer has rejected the patch, I guess because strict conformance to the OpenPGP standards requires user ids.[4] I am by no means an expert on PGP or GPG issues, but I'd be in favor of Guix adopting this patch. -Philip [1]: https://keys.openpgp.org/about/faq#older-gnupg [2]: https://build.opensuse.org/package/show/openSUSE:Factory/gpg2 [3]: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=930665#10 [4]: https://dev.gnupg.org/T4393#133689