tino@ts:~/ISO/devuan_ascii-2.0.0$ gpg --verify SHA256SUMS.asc
gpg: assuming signed data in `SHA256SUMS'
gpg: Signature made Wed 06 Jun 2018 08:55:55 PM CEST using DSA key ID 0B5F062F
gpg: Can't check signature: public key not found
tino@ts:~/ISO/devuan_ascii-2.0.0$ gpg --no-default-keyring --keyring /usr/share/keyrings/devuan-archive-keyring.gpg --verify SHA256SUMS.asc
gpg: assuming signed data in `SHA256SUMS'
gpg: Signature made Wed 06 Jun 2018 08:55:55 PM CEST using DSA key ID 0B5F062F
gpg: Can't check signature: public key not found
tino@ts:~/ISO/devuan_ascii-2.0.0$ gpg --no-default-keyring --keyring /usr/share/keyrings/devuan-keyring.gpg --verify SHA256SUMS.asc
gpg: assuming signed data in `SHA256SUMS'
gpg: Signature made Wed 06 Jun 2018 08:55:55 PM CEST using DSA key ID 0B5F062F
gpg: Can't check signature: public key not found

tino@ts:~/ISO/devuan_ascii-2.0.0$ gpg --keyring ../devuan-devs.gpg --verify SHA256SUMS.asc
gpg: assuming signed data in `SHA256SUMS'
gpg: Signature made Wed 06 Jun 2018 08:55:55 PM CEST using DSA key ID 0B5F062F
gpg: Good signature from "Vincenzo (KatolaZ) Nicosia <katolaz@freaknet.org>"
gpg:                 aka "Vincenzo Nicosia (KatolaZ) <me@katolaz.homeunix.net>"
gpg:                 aka "Vincenzo Nicosia (KatolaZ) <katolaz@yahoo.it>"
gpg:                 aka "KatolaZ <katolaz@freaknet.org>"
gpg:                 aka "Enzo Nicosia <katolaz@freaknet.org>"
gpg:                 aka "Enzo Nicosia -- KatolaZ <katolaz@freaknet.org>"
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: 8E59 D6AA 445E FDB4 A153  3D5A 5F20 B3AE 0B5F 062F