Add more Yubikeys to the YubiHSM¶

Insert a USB disk and press enter when ready. Ready? (<Y>/n): 

Available files in /mnt/usb:

yubikeys.txt
yubikeys.txt.sign

Enter filename of the file containing new keys (Q to Quit) <yubikeys.txt>: 
Install the new Yubikeys from "yubikeys.txt" into the YubiHSM? (<Y>/n):