tldr/pages/linux/keyctl.md

keyctl

Manipulate the Linux kernel keyring. More information: https://manned.org/keyctl.

• List keys in a specific keyring:

keyctl list {{target_keyring}}

• List current keys in the user default session:

keyctl list {{@us}}

• Store a key in a specific keyring:

keyctl add {{type_keyring}} {{key_name}} {{key_value}} {{target_keyring}}

• Store a key with its value from standard input:

echo -n {{key_value}} | keyctl padd {{type_keyring}} {{key_name}} {{target_keyring}}

• Put a timeout on a key:

keyctl timeout {{key_name}} {{timeout_in_seconds}}

• Read a key and format it as a hex-dump if not printable:

keyctl read {{key_name}}

• Read a key and format as-is:

keyctl pipe {{key_name}}

• Revoke a key and prevent any further action on it:

keyctl revoke {{key_name}}