GPG: importing a friend’s signature on my public key demotes "ultimate" to "full"

This may be a newbie question. A friend ("Bob") and I have tried to sign each others’ keys according to these instructions. I want to get Bob’s signature on my public key into my own keychain. We get to step 6, where Bob has sent… Continue reading GPG: importing a friend’s signature on my public key demotes "ultimate" to "full"

GPG: Where is the official documentation of the "kbxutil" command about the report’s structure?

About GPG, mostly of the kbxutil command, when is executed the following command:

kbxutil ~/.gnupg/pubring.kbx

The report has the following structure:
BEGIN-RECORD: 0
Length: 32
Type: Header
Version: 1
Flags: 0002 (openpgp)
created-a… Continue reading GPG: Where is the official documentation of the "kbxutil" command about the report’s structure?

Restrict gpg from decrypting a file encrypted by a subkey which is now expired or revoked [duplicate]

GPG allows file encryption for multiple recipients. I prefer to encrypt files:

Only to recipient subkeys shared with me by the intended recipients, like so:
$ gpg –encrypt –armor –recipient <some-recipient-encryption-subkey>! –r… Continue reading Restrict gpg from decrypting a file encrypted by a subkey which is now expired or revoked [duplicate]

GPG: Where and what is the official documentation about the reporting structure for the gpg command?

when the following command is executed successfully:

gpg –full-gen-key

About the output as follows:
Change (N)ame, (C)omment, (E)mail or (O)kay/(Q)uit? O
We need to generate a lot of random bytes. It is a good idea to perform
some other… Continue reading GPG: Where and what is the official documentation about the reporting structure for the gpg command?

GPG: Why the "gpg –expert –full-gen-key" command does not show all the "kind of keys"?

For Debian 12 and Ubuntu Desktop 22.04 when is executed the following command:
gpg –full-gen-key
gpg (GnuPG) 2.2.40; Copyright (C) 2022 g10 Code GmbH
This is free software: you are free to change and redistribute it.
There is NO WARRANTY,… Continue reading GPG: Why the "gpg –expert –full-gen-key" command does not show all the "kind of keys"?