On Dienstag, 18. Januar 2022 15:59:11 CET Bernd Graf via Gnupg-users wrote: > How can I require `gpg --verify` to only accept keys from my keyring > with a certain trust level and fail otherwise (rc!=0) > > Alternatively, how can I check that a signature was done with a specific > key?
Use gpgv instead of gpg. It's much more lightweight and specifically meant for signature verification. In particular, you can pass it a keyring that only contains the keys you want: $ gpgv --keyring FILE backup.tar.sig backup.tar For details $ man gpgv Regards, Ingo
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