tldr/pages/linux/keyctl.md

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# 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}}`