types/key: add IsZero method to HardwareAttestationKey (#17370)

We will need this for unmarshaling node prefs: use the zero HardwareAttestationKey implementation when parsing and later check `IsZero` to see if anything was loaded. Updates #15830 Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
2025-09-30 11:53:07 -07:00
parent be6cfa00cb
commit 840c7668e2
2 changed files with 3 additions and 0 deletions
@@ -32,6 +32,7 @@ type HardwareAttestationKey interface {
 	json.Unmarshaler
 	io.Closer
 	Clone() HardwareAttestationKey
+	IsZero() bool
 }

 // HardwareAttestationPublicFromPlatformKey creates a HardwareAttestationPublic