The only way to use a specific public key file like a keyring is if the file is in the GPG (OpenPGP) file format and not an ASCII armoured version (e.g. pubkey.gpg not pubkey.asc). So this will verify the file: gpg –no-default-keyring –keyring /path/to/pubkey.gpg –verify /path/to/file.txt.gpg And this will not: gpg –no-default-keyring –keyring /path/to/pubkey.asc –verify … Read more
The various OpenPGP keyserver synchronize, but that takes some time. If you know which keyserver will be queried, you can directly upload your key there. I did: gpg –keyserver hkp://pool.sks-keyservers.net –recv-keys EE539F98 gpg –keyserver hkp://keyserver.ubuntu.com –send-keys EE539F98 and now your key can successfully be found on Ubuntu’s keyserver, without having to wait until it automatically … Read more
There are several detail levels you can get when looking at OpenPGP key data: a basic summary, a machine-readable output of this summary or a detailed (and very technical) list of the individual OpenPGP packets. Basic Key Information For a brief peak at an OpenPGP key file, you can simply pass the filename as parameter … Read more