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Step 25: Real FIDO2 hardware key support.

Browse Source 
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>
This commit is contained in:
Kyle Isom
2026-03-24 12:40:46 -07:00
parent 5529fff649
commit 490db0599c
17 changed files with 358 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
go.sum
View File

@@ -1,30 +1,73 @@
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