Verify public key algorithm is supported

1 files changed, 7 insertions, 0 deletions

diff --git a/packages/server/src/helpers/decodeCredentialPublicKey.ts b/packages/server/src/helpers/decodeCredentialPublicKey.ts
new file mode 100644
index 0000000..a856a72
--- /dev/null
+++ b/packages/server/src/helpers/decodeCredentialPublicKey.ts
@@ -0,0 +1,7 @@
+import cbor from 'cbor';
+
+import { COSEPublicKey } from './convertCOSEtoPKCS';
+
+export default function decodeCredentialPublicKey(publicKey: Buffer): COSEPublicKey {
+  return cbor.decodeFirstSync(publicKey);
+}