On 5/20/20 10:14 AM, Mick Bert wrote: > Il 20/05/20 09:54, Steffen Grunewald ha scritto: >> On Wed, 2020-05-20 at 09:52:51 +0200, Mick Bert wrote: >>> I am trying to update debian in my iBook G4 since a very long time, but the >>> "apt update" command fails due to mising public key for signature checking. >> Extract the key ID from the error message, fetch the key (using gpg >> --recv-keys), >> then a > > The key ID is the following 'NO_PUBKEY 84C573CD4E1AFD6C' > > but the command 'gpg --recv-key 84C573CD4E1AFD6C' fails with a "general > error". Anyway...
That's because this particular key has expired: glaubitz@suse-laptop:~> gpg --fingerprint 84C573CD4E1AFD6C gpg: checking the trustdb gpg: key 2064C53641C25E5D: no user ID for key signature packet of class 10 gpg: key 2064C53641C25E5D: no user ID for key signature packet of class 10 gpg: key 2064C53641C25E5D: no user ID for key signature packet of class 10 gpg: marginals needed: 3 completes needed: 1 trust model: pgp gpg: depth: 0 valid: 4 signed: 88 trust: 0-, 0q, 0n, 0m, 0f, 4u gpg: depth: 1 valid: 88 signed: 85 trust: 88-, 0q, 0n, 0m, 0f, 0u gpg: next trustdb check due at 2020-05-30 pub rsa4096 2018-12-26 [SC] [expired: 2020-01-31] 1177 213F 7B9E F1C5 280C FEEA 84C5 73CD 4E1A FD6C uid [ expired] Debian Ports Archive Automatic Signing Key (2020) <ftpmas...@ports-master.debian.org> glaubitz@suse-laptop:~> Adrian -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer - glaub...@debian.org `. `' Freie Universitaet Berlin - glaub...@physik.fu-berlin.de `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913