Parse bits 3 and 4 for backup info

1 files changed, 4 insertions, 0 deletions

diff --git a/packages/server/src/helpers/parseAuthenticatorData.ts b/packages/server/src/helpers/parseAuthenticatorData.ts
index a816d15..d4b0646 100644
--- a/packages/server/src/helpers/parseAuthenticatorData.ts
+++ b/packages/server/src/helpers/parseAuthenticatorData.ts
@@ -23,6 +23,8 @@ export default function parseAuthenticatorData(authData: Buffer): ParsedAuthenti
   const flags = {
     up: !!(flagsInt & 1 << 0), // User Presence
     uv: !!(flagsInt & 1 << 2), // User Verified
+    be: !!(flagsInt & 1 << 3), // Backup Eligible
+    bs: !!(flagsInt & 1 << 4), // Backup State
     at: !!(flagsInt & 1 << 6), // Attested Credential Data Present
     ed: !!(flagsInt & 1 << 7), // Extension Data Present
     flagsInt,
@@ -82,6 +84,8 @@ export type ParsedAuthenticatorData = {
   flags: {
     up: boolean;
     uv: boolean;
+    be: boolean;
+    bs: boolean;
     at: boolean;
     ed: boolean;
     flagsInt: number;