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bug#35414: 26.2; ELPA packages signed with second, unknown key
From: |
Stefan Monnier |
Subject: |
bug#35414: 26.2; ELPA packages signed with second, unknown key |
Date: |
Wed, 24 Apr 2019 15:36:50 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
> I assume (without checking) that this is related to the key from
> http://lists.gnu.org/r/emacs-diffs/2019-04/msg00546.html
Hmm... Indeed: this new keyring contains two keys (the old 2014 key
which will expire in September and a new key to replace it).
>> When I execute package-refresh-contents or when I try to install a
>> package from ELPA, it fails with the following error:
>>
>> Failed to verify signature archive-contents.sig:
>> No public key for 066DAFCB81E42C40 created at 2019-04-24T10:15:06+0100
>> using RSA
>> Good signature from 474F05837FBDEF9B GNU ELPA Signing Agent
>> <elpasign@elpa.gnu.org> (trust undefined) created at
>> 2019-04-24T10:15:06+0100 using DSA
>> Command output:
>> gpg: Signature made Wed 24 Apr 2019 10:15:06 AM BST
>> gpg: using DSA key
>> CA442C00F91774F17F59D9B0474F05837FBDEF9B
>> gpg: Good signature from "GNU ELPA Signing Agent
>> <elpasign@elpa.gnu.org>" [unknown]
>> gpg: WARNING: This key is not certified with a trusted signature!
>> gpg: There is no indication that the signature belongs to the
>> owner.
>> Primary key fingerprint: CA44 2C00 F917 74F1 7F59 D9B0 474F 0583 7FBD
>> EF9B
>> gpg: Signature made Wed 24 Apr 2019 10:15:06 AM BST
>> gpg: using RSA key
>> C433554766D3DDC64221BFAA066DAFCB81E42C40
>> gpg: Can't check signature: No public key
Hmm... I just tried with Debian's Emacs-25.1 and with a new build from
the `emacs-26` branch:
emacs -Q --eval '(setq package-check-signature t)
M-x package-list-packages RET
M-x package-refresh-contents RET
and didn't get any error.
>> So, the signature by GNU ELPA Signing Agent (the key in
>> etc/package-keyring.gpg) is fine. However, there is a second key
>> involved, for which the public key 066DAFCB81E42C40 is unavailable from
>> any public keyserver that I have tried.
It's a brand new key that is now in etc/package-keyring.gpg in the
`master` branch of Emacs, as well as in the `gnu-elpa-keyring-update`
package in GNU ELPA.
This is because the key 474F05837FBDEF9B is about to expire (it's
really high time we start preparing for the new key).
>> Needless to say, it's not available in etc/package-keyring.gpg
>> either. Since I do not have the public key, the signature
>> verification fails.
Yes, it's normal that the second signature can't be verified until you
install the new key, but that shouldn't cause an error in
package-install or package-refresh-contents. At least that's what my
tests lead me to believe.
Stefan
- bug#35414: 26.2; ELPA packages signed with second, unknown key, Brandon Invergo, 2019/04/24
- bug#35414: 26.2; ELPA packages signed with second, unknown key, Glenn Morris, 2019/04/24
- bug#35414: 26.2; ELPA packages signed with second, unknown key,
Stefan Monnier <=
- bug#35414: 26.2; ELPA packages signed with second, unknown key, Brandon Invergo, 2019/04/24
- bug#35414: 26.2; ELPA packages signed with second, unknown key, Stefan Monnier, 2019/04/24
- bug#35414: 26.2; ELPA packages signed with second, unknown key, Stefan Monnier, 2019/04/24
- bug#35414: 26.2; ELPA packages signed with second, unknown key, Glenn Morris, 2019/04/24
- bug#35414: 26.2; ELPA packages signed with second, unknown key, Eli Zaretskii, 2019/04/25
- bug#35414: 26.2; ELPA packages signed with second, unknown key, Brandon Invergo, 2019/04/25