GPG
Manage private-public key pairs, associated to users, and perform cryptographic operations.
Common Operations
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Generate a key pair.
gpg --full-generate-key -
Export public key.
gpg --export --armor [email] > key.pub -
Export private/secret key.
gpg --export-secret-keys --armor [email] > key -
Import (public/secret) keys.
gpg --import [keyfile]Importing the secret key will also import the public key.