From: "brian m. carlson" <sandals@crustytoothpaste.net>
To: Fabian Stelzer <fs@gigacodes.de>
Cc: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>,
"Fabian Stelzer via GitGitGadget" <gitgitgadget@gmail.com>,
git@vger.kernel.org, "Han-Wen Nienhuys" <hanwen@google.com>,
"Randall S. Becker" <rsbecker@nexbridge.com>,
"Bagas Sanjaya" <bagasdotme@gmail.com>,
"Hans Jerry Illikainen" <hji@dyntopia.com>,
"Eric Sunshine" <sunshine@sunshineco.com>,
"Gwyneth Morgan" <gwymor@tilde.club>,
"Jonathan Tan" <jonathantanmy@google.com>,
"Josh Steadmon" <steadmon@google.com>
Subject: Re: t7510-signed-commit.sh hangs on old gpg, regression in 1bfb57f642d (was: [PATCH v8 9/9] ssh signing: test that gpg fails for unknown keys)
Date: Wed, 22 Dec 2021 15:58:50 +0000 [thread overview]
Message-ID: <YcNLOsuAh85ecKw4@camp.crustytoothpaste.net> (raw)
In-Reply-To: <20211222101326.fwl3wphr3ev6c7wt@fs>
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On 2021-12-22 at 10:13:26, Fabian Stelzer wrote:
> Hm. I have an identical centos 7.9 installation (same versions/features) and
> the key is generated without issues. Does the VM maybe have not enough
> entropy for generating a gpg key?
> Otherwise we could of course pre-generate the key and commit it. I'm usually
> not a fan of this since over time it can become unclear how it was generated
> or if the committed version still matches what would be generated today.
> But of course I don't want to slow down CI with rsa key generation stuff :/
> If missing entropy is the problem, then maybe CI could benefit from
> something like haveged in general (other tests might want more entropy too).
GnuPG is notorious for using /dev/random for generating keys, so yes,
this is likely to block in a variety of situations. We don't see this
on newer systems because they've replaced the blocking /dev/random with
a non-blocking one except for when the CSPRNG hasn't been seeded at
least once.
The problem isn't lack of entropy, but the fact that there's no reason
to use /dev/random since /dev/urandom is suitable for all cryptographic
needs once initialized. On modern versions of Linux, one just uses
getrandom(2), which deals with the uninitialized case and otherwise
doesn't block. However, CentOS 7 is old.
--
brian m. carlson (he/him or they/them)
Toronto, Ontario, CA
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next prev parent reply other threads:[~2021-12-22 15:59 UTC|newest]
Thread overview: 153+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-06 8:19 [PATCH] Add commit & tag signing/verification via SSH keys using ssh-keygen Fabian Stelzer via GitGitGadget
2021-07-06 10:07 ` Han-Wen Nienhuys
2021-07-06 11:23 ` Fabian Stelzer
2021-07-06 14:44 ` brian m. carlson
2021-07-06 15:33 ` Fabian Stelzer
2021-07-06 15:04 ` Junio C Hamano
2021-07-06 15:45 ` Fabian Stelzer
2021-07-06 17:55 ` Junio C Hamano
2021-07-06 19:39 ` Randall S. Becker
2021-07-07 6:26 ` Bagas Sanjaya
2021-07-07 8:48 ` Fabian Stelzer
2021-07-12 12:19 ` [PATCH v2] Add commit, tag & push " Fabian Stelzer via GitGitGadget
2021-07-12 16:55 ` Ævar Arnfjörð Bjarmason
2021-07-12 20:35 ` Fabian Stelzer
2021-07-12 21:16 ` Felipe Contreras
2021-07-14 12:10 ` [PATCH v3 0/9] RFC: Add commit & tag " Fabian Stelzer via GitGitGadget
2021-07-14 12:10 ` [PATCH v3 1/9] Add commit, tag & push signing via SSH keys Fabian Stelzer via GitGitGadget
2021-07-14 18:19 ` Junio C Hamano
2021-07-14 23:57 ` Eric Sunshine
2021-07-15 8:20 ` Fabian Stelzer
2021-07-14 12:10 ` [PATCH v3 2/9] ssh signing: add documentation Fabian Stelzer via GitGitGadget
2021-07-14 20:07 ` Junio C Hamano
2021-07-15 8:48 ` Fabian Stelzer
2021-07-15 10:43 ` Bagas Sanjaya
2021-07-15 16:29 ` Junio C Hamano
2021-07-14 12:10 ` [PATCH v3 3/9] ssh signing: retrieve a default key from ssh-agent Fabian Stelzer via GitGitGadget
2021-07-14 20:20 ` Junio C Hamano
2021-07-15 7:49 ` Han-Wen Nienhuys
2021-07-15 8:06 ` Fabian Stelzer
2021-07-15 8:13 ` Fabian Stelzer
2021-07-14 12:10 ` [PATCH v3 4/9] ssh signing: sign using either gpg or ssh keys Fabian Stelzer via GitGitGadget
2021-07-14 20:32 ` Junio C Hamano
2021-07-15 8:28 ` Fabian Stelzer
2021-07-14 12:10 ` [PATCH v3 5/9] ssh signing: provide a textual representation of the signing key Fabian Stelzer via GitGitGadget
2021-07-14 12:10 ` [PATCH v3 6/9] ssh signing: parse ssh-keygen output and verify signatures Fabian Stelzer via GitGitGadget
2021-07-16 0:07 ` Gwyneth Morgan
2021-07-16 7:00 ` Fabian Stelzer
2021-07-14 12:10 ` [PATCH v3 7/9] ssh signing: add test prereqs Fabian Stelzer via GitGitGadget
2021-07-14 12:10 ` [PATCH v3 8/9] ssh signing: duplicate t7510 tests for commits Fabian Stelzer via GitGitGadget
2021-07-14 12:10 ` [PATCH v3 9/9] ssh signing: add more tests for logs, tags & push certs Fabian Stelzer via GitGitGadget
2021-07-19 13:33 ` [PATCH v4 0/9] ssh signing: Add commit & tag signing/verification via SSH keys using ssh-keygen Fabian Stelzer via GitGitGadget
2021-07-19 13:33 ` [PATCH v4 1/9] ssh signing: preliminary refactoring and clean-up Fabian Stelzer via GitGitGadget
2021-07-19 23:07 ` Junio C Hamano
2021-07-19 13:33 ` [PATCH v4 2/9] ssh signing: add ssh signature format and signing using ssh keys Fabian Stelzer via GitGitGadget
2021-07-19 23:53 ` Junio C Hamano
2021-07-20 12:26 ` Fabian Stelzer
2021-07-19 13:33 ` [PATCH v4 3/9] ssh signing: retrieve a default key from ssh-agent Fabian Stelzer via GitGitGadget
2021-07-19 13:33 ` [PATCH v4 4/9] ssh signing: provide a textual representation of the signing key Fabian Stelzer via GitGitGadget
2021-07-19 13:33 ` [PATCH v4 5/9] ssh signing: parse ssh-keygen output and verify signatures Fabian Stelzer via GitGitGadget
2021-07-19 13:33 ` [PATCH v4 6/9] ssh signing: add test prereqs Fabian Stelzer via GitGitGadget
2021-07-19 13:33 ` [PATCH v4 7/9] ssh signing: duplicate t7510 tests for commits Fabian Stelzer via GitGitGadget
2021-07-19 13:33 ` [PATCH v4 8/9] ssh signing: add more tests for logs, tags & push certs Fabian Stelzer via GitGitGadget
2021-07-19 13:33 ` [PATCH v4 9/9] ssh signing: add documentation Fabian Stelzer via GitGitGadget
2021-07-20 0:38 ` [PATCH v4 0/9] ssh signing: Add commit & tag signing/verification via SSH keys using ssh-keygen Junio C Hamano
2021-07-27 13:15 ` [PATCH v5 " Fabian Stelzer via GitGitGadget
2021-07-27 13:15 ` [PATCH v5 1/9] ssh signing: preliminary refactoring and clean-up Fabian Stelzer via GitGitGadget
2021-07-27 13:15 ` [PATCH v5 2/9] ssh signing: add ssh signature format and signing using ssh keys Fabian Stelzer via GitGitGadget
2021-07-27 13:15 ` [PATCH v5 3/9] ssh signing: retrieve a default key from ssh-agent Fabian Stelzer via GitGitGadget
2021-07-27 13:15 ` [PATCH v5 4/9] ssh signing: provide a textual representation of the signing key Fabian Stelzer via GitGitGadget
2021-07-27 13:15 ` [PATCH v5 5/9] ssh signing: parse ssh-keygen output and verify signatures Fabian Stelzer via GitGitGadget
2021-07-27 13:15 ` [PATCH v5 6/9] ssh signing: add test prereqs Fabian Stelzer via GitGitGadget
2021-07-27 13:15 ` [PATCH v5 7/9] ssh signing: duplicate t7510 tests for commits Fabian Stelzer via GitGitGadget
2021-07-27 13:15 ` [PATCH v5 8/9] ssh signing: add more tests for logs, tags & push certs Fabian Stelzer via GitGitGadget
2021-07-27 13:15 ` [PATCH v5 9/9] ssh signing: add documentation Fabian Stelzer via GitGitGadget
2021-07-28 19:36 ` [PATCH v6 0/9] ssh signing: Add commit & tag signing/verification via SSH keys using ssh-keygen Fabian Stelzer via GitGitGadget
2021-07-28 19:36 ` [PATCH v6 1/9] ssh signing: preliminary refactoring and clean-up Fabian Stelzer via GitGitGadget
2021-07-28 22:32 ` Jonathan Tan
2021-07-29 0:58 ` Junio C Hamano
2021-07-29 7:44 ` Fabian Stelzer
2021-07-29 8:43 ` Fabian Stelzer
2021-07-28 19:36 ` [PATCH v6 2/9] ssh signing: add ssh signature format and signing using ssh keys Fabian Stelzer via GitGitGadget
2021-07-28 22:45 ` Jonathan Tan
2021-07-29 1:01 ` Junio C Hamano
2021-07-29 11:01 ` Fabian Stelzer
2021-07-29 19:09 ` Josh Steadmon
2021-07-29 21:25 ` Fabian Stelzer
2021-07-28 19:36 ` [PATCH v6 3/9] ssh signing: retrieve a default key from ssh-agent Fabian Stelzer via GitGitGadget
2021-07-28 21:29 ` Junio C Hamano
2021-07-28 22:48 ` Jonathan Tan
2021-07-29 8:59 ` Fabian Stelzer
2021-07-29 19:09 ` Josh Steadmon
2021-07-29 19:56 ` Junio C Hamano
2021-07-29 21:21 ` Fabian Stelzer
2021-07-28 19:36 ` [PATCH v6 4/9] ssh signing: provide a textual representation of the signing key Fabian Stelzer via GitGitGadget
2021-07-28 21:34 ` Junio C Hamano
2021-07-29 8:21 ` Fabian Stelzer
2021-07-28 19:36 ` [PATCH v6 5/9] ssh signing: parse ssh-keygen output and verify signatures Fabian Stelzer via GitGitGadget
2021-07-28 21:55 ` Junio C Hamano
2021-07-29 9:12 ` Fabian Stelzer
2021-07-29 20:43 ` Junio C Hamano
2021-07-28 23:04 ` Jonathan Tan
2021-07-29 9:48 ` Fabian Stelzer
2021-07-29 13:52 ` Fabian Stelzer
2021-08-03 7:43 ` Fabian Stelzer
2021-08-03 9:33 ` Fabian Stelzer
2021-07-29 20:46 ` Junio C Hamano
2021-07-29 21:01 ` Randall S. Becker
2021-07-29 21:12 ` Fabian Stelzer
2021-07-29 21:25 ` Randall S. Becker
2021-07-29 21:28 ` Fabian Stelzer
2021-07-29 22:28 ` Randall S. Becker
2021-07-30 8:17 ` Fabian Stelzer
2021-07-30 14:26 ` Randall S. Becker
2021-07-30 14:32 ` Fabian Stelzer
2021-07-30 15:05 ` Randall S. Becker
2021-07-28 19:36 ` [PATCH v6 6/9] ssh signing: add test prereqs Fabian Stelzer via GitGitGadget
2021-07-29 19:09 ` Josh Steadmon
2021-07-29 19:57 ` Junio C Hamano
2021-07-30 7:32 ` Fabian Stelzer
2021-07-28 19:36 ` [PATCH v6 7/9] ssh signing: duplicate t7510 tests for commits Fabian Stelzer via GitGitGadget
2021-07-28 19:36 ` [PATCH v6 8/9] ssh signing: add more tests for logs, tags & push certs Fabian Stelzer via GitGitGadget
2021-07-28 19:36 ` [PATCH v6 9/9] ssh signing: add documentation Fabian Stelzer via GitGitGadget
2021-07-29 8:19 ` [PATCH v6 0/9] ssh signing: Add commit & tag signing/verification via SSH keys using ssh-keygen Bagas Sanjaya
2021-07-29 11:03 ` Fabian Stelzer
2021-08-03 13:45 ` [PATCH v7 " Fabian Stelzer via GitGitGadget
2021-08-03 13:45 ` [PATCH v7 1/9] ssh signing: preliminary refactoring and clean-up Fabian Stelzer via GitGitGadget
2021-08-03 13:45 ` [PATCH v7 2/9] ssh signing: add test prereqs Fabian Stelzer via GitGitGadget
2021-08-03 13:45 ` [PATCH v7 3/9] ssh signing: add ssh key format and signing code Fabian Stelzer via GitGitGadget
2021-08-03 13:45 ` [PATCH v7 4/9] ssh signing: retrieve a default key from ssh-agent Fabian Stelzer via GitGitGadget
2021-08-03 13:45 ` [PATCH v7 5/9] ssh signing: provide a textual signing_key_id Fabian Stelzer via GitGitGadget
2021-08-03 13:45 ` [PATCH v7 6/9] ssh signing: verify signatures using ssh-keygen Fabian Stelzer via GitGitGadget
2021-08-03 23:47 ` Junio C Hamano
2021-08-04 9:01 ` Fabian Stelzer
2021-08-04 17:32 ` Junio C Hamano
2021-08-03 13:45 ` [PATCH v7 7/9] ssh signing: duplicate t7510 tests for commits Fabian Stelzer via GitGitGadget
2021-08-03 13:45 ` [PATCH v7 8/9] ssh signing: tests for logs, tags & push certs Fabian Stelzer via GitGitGadget
2021-08-03 13:45 ` [PATCH v7 9/9] ssh signing: test that gpg fails for unkown keys Fabian Stelzer via GitGitGadget
2021-08-29 22:15 ` [PATCH v7 0/9] ssh signing: Add commit & tag signing/verification via SSH keys using ssh-keygen Junio C Hamano
2021-08-29 23:56 ` Gwyneth Morgan
2021-08-30 10:35 ` Fabian Stelzer
2021-09-07 17:35 ` Junio C Hamano
2021-09-10 8:03 ` Fabian Stelzer
2021-09-10 18:44 ` Junio C Hamano
2021-09-10 19:49 ` Fabian Stelzer
2021-09-10 20:20 ` Carlo Arenas
2021-09-10 20:07 ` [PATCH v8 " Fabian Stelzer via GitGitGadget
2021-09-10 20:07 ` [PATCH v8 1/9] ssh signing: preliminary refactoring and clean-up Fabian Stelzer via GitGitGadget
2021-09-10 20:07 ` [PATCH v8 2/9] ssh signing: add test prereqs Fabian Stelzer via GitGitGadget
2021-09-10 20:07 ` [PATCH v8 3/9] ssh signing: add ssh key format and signing code Fabian Stelzer via GitGitGadget
2021-09-10 20:07 ` [PATCH v8 4/9] ssh signing: retrieve a default key from ssh-agent Fabian Stelzer via GitGitGadget
2021-09-10 20:07 ` [PATCH v8 5/9] ssh signing: provide a textual signing_key_id Fabian Stelzer via GitGitGadget
2021-09-10 20:07 ` [PATCH v8 6/9] ssh signing: verify signatures using ssh-keygen Fabian Stelzer via GitGitGadget
2021-09-10 20:07 ` [PATCH v8 7/9] ssh signing: duplicate t7510 tests for commits Fabian Stelzer via GitGitGadget
2021-09-10 20:07 ` [PATCH v8 8/9] ssh signing: tests for logs, tags & push certs Fabian Stelzer via GitGitGadget
2021-09-10 20:07 ` [PATCH v8 9/9] ssh signing: test that gpg fails for unknown keys Fabian Stelzer via GitGitGadget
2021-12-22 3:18 ` t7510-signed-commit.sh hangs on old gpg, regression in 1bfb57f642d (was: [PATCH v8 9/9] ssh signing: test that gpg fails for unknown keys) Ævar Arnfjörð Bjarmason
2021-12-22 10:13 ` Fabian Stelzer
2021-12-22 15:58 ` brian m. carlson [this message]
2021-12-26 22:53 ` Ævar Arnfjörð Bjarmason
2021-12-30 11:10 ` Fabian Stelzer
2021-09-10 20:23 ` [PATCH v8 0/9] ssh signing: Add commit & tag signing/verification via SSH keys using ssh-keygen Junio C Hamano
2021-09-10 20:48 ` Fabian Stelzer
2021-09-10 21:01 ` Junio C Hamano
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