DOKK / manpages / debian 12 / libyubikey-dev / ykparse.1.en
YKPARSE(1) YubiKey C Library Manual YKPARSE(1)

ykparse - decrypt and show information inside a YubiKey OTP

ykparse AESKEY TOKEN

Decrypt and display information inside a YubiKey OTP.

AESKEY

The 16-character AES-128 key to use in hex.

TOKEN

The modhex encoded One-Time Password (OTP).

Typical usage of the tool is as follows.

ykparse ecde18dbe76fbd0c33330f1c354871db dteffujedcflcindvdbrblehecuitvjkjevvehjd

YubiKeys can be obtained from Yubico: http://www.yubico.com/

Version 1.13 yubico-c