ykinfo

The ykinfo command line tool is used for interacting with YubiKeys, which are hardware authentication devices. It provides useful information about the connected YubiKeys, such as firmware and hardware versions, serial numbers, and supported features.

With the ykinfo tool, you can get details about the YubiKeys connected to your device by simply running the command "ykinfo" in the terminal. It automatically detects and lists all the YubiKeys attached to the system.

In addition to basic information, ykinfo also displays the YubiKey's unique ID, OATH and PIV applications availability, challenge-response mode, and touch policy. It provides a straightforward way to check various YubiKey settings and capabilities without the need for complex configurations.

One of the key features of ykinfo is its ability to verify if a YubiKey is genuine. By comparing the output of ykinfo with the official specifications, you can ensure that the YubiKey is not counterfeit and validate its legitimacy.

The ykinfo tool is compatible with various operating systems, including Linux, macOS, and Windows. It supports both USB and NFC-enabled YubiKeys, making it versatile for different usage scenarios.

In addition to displaying information about attached YubiKeys, ykinfo can also perform diagnostics by checking the connectivity and status of the devices. It can help identify any issues or failures that may be occurring with the YubiKey's hardware or firmware.

The ykinfo command line tool is part of the YubiKey Manager suite, which provides a comprehensive set of tools for managing YubiKeys. It is an open-source tool that is actively maintained and can be freely downloaded and used by anyone.

As a command line tool, ykinfo is scriptable and can be incorporated into automated workflows. This allows for efficient batch processing and integration with other tools or systems for YubiKey management.

With its simplicity and versatility, ykinfo is a handy tool for YubiKey users, administrators, and developers who require quick access to detailed information about their YubiKeys, as well as the ability to perform basic diagnostics.