1 files changed, 17 insertions, 0 deletions
diff --git a/packages/server/src/extensions/decodeAttObjForDevicePublicKey.ts b/packages/server/src/extensions/decodeAttObjForDevicePublicKey.ts
new file mode 100644
index 0000000..0f0bd75
--- /dev/null
+++ b/packages/server/src/extensions/decodeAttObjForDevicePublicKey.ts
@@ -0,0 +1,17 @@
+import cbor from 'cbor';
+import { AttestationFormat, AttestationStatement } from '../helpers/decodeAttestationObject';
+
+export default function decodeAttObjForDevicePublicKey(attObjForDevicePublicKey: Buffer): AttObjForDevicePublicKey {
+  const toCBOR: AttObjForDevicePublicKey = cbor.decodeAllSync(attObjForDevicePublicKey)[0];
+  return toCBOR;
+}
+
+export type AttObjForDevicePublicKey = {
+  sig: Buffer;
+  aaguid: Buffer;
+  dpk: Buffer;
+  scope: number;
+  nonce: Buffer;
+  fmt: AttestationFormat;
+  attStmt: AttestationStatement;
+};