yubikey-manager - 4.0.0~a1-4 main

YubiKey Manager (ykman) is a command line tool for configuring a YubiKey over
all transports. It is capable of reading out device information as well as
configuring several aspects of a YubiKey, including enabling or disabling
connection transports an programming various types of credentials.
.
YubiKey is a specific series of personal Hardware Security Modules,
meant to protect private keys tied to its users (for 2nd factor authentication,
use with OpenPGP, ...).