FIDO(4) | Device Drivers Manual | FIDO(4)

# NAME

`fido` — FIDO/U2F security keys

# SYNOPSIS

`fido* at uhidev?`

# DESCRIPTION

The `fido` driver provides support for FIDO/U2F-compatible USB security keys. They are Human Interface Devices (HID) which can be accessed via the /dev/fido/N interface.

The driver is compatible with the read(2), write(2), and ioctl(2) operations of the generic uhid(4) device but only accepts the optional HID ioctl(2) calls from root.

# FILES

/dev/fido/*

# SEE ALSO

uhid(4), uhidev(4), usb(4)

# HISTORY

The `fido` driver first appeared in OpenBSD 6.7.

August 21, 2020 | Debian