Files
sgard/cmd/sgard/fido2.go
Kyle Isom 490db0599c Step 25: Real FIDO2 hardware key support.
HardwareFIDO2 implements FIDO2Device via go-libfido2 (CGo bindings to
Yubico's libfido2). Gated behind //go:build fido2 tag to keep default
builds CGo-free. Nix flake adds sgard-fido2 package variant.

CLI changes: --fido2-pin flag, unlockDEK helper tries FIDO2 first,
add-fido2/encrypt init --fido2 use real hardware, auto-unlock added
to restore/checkpoint/diff for encrypted entries.

Tested manually: add-fido2, add --encrypt, restore, checkpoint, diff
all work with hardware FIDO2 key (touch-to-unlock, no passphrase).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-24 12:40:46 -07:00

13 lines
339 B
Go

package main
import "github.com/kisom/sgard/garden"
var fido2PinFlag string
// unlockDEK attempts to unlock the DEK, trying FIDO2 hardware first
// (if available) and falling back to passphrase.
func unlockDEK(g *garden.Garden) error {
device := garden.DetectHardwareFIDO2(fido2PinFlag)
return g.UnlockDEK(promptPassphrase, device)
}