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-rw-r--r--packages/server/src/attestation/verifyAttestationResponse.ts2
1 files changed, 1 insertions, 1 deletions
diff --git a/packages/server/src/attestation/verifyAttestationResponse.ts b/packages/server/src/attestation/verifyAttestationResponse.ts
index 40f5d08..5bbcbc8 100644
--- a/packages/server/src/attestation/verifyAttestationResponse.ts
+++ b/packages/server/src/attestation/verifyAttestationResponse.ts
@@ -126,7 +126,7 @@ export default function verifyAttestationResponse(options: Options): VerifiedAtt
const decodedPublicKey = decodeCredentialPublicKey(credentialPublicKey);
const alg = decodedPublicKey.get(COSEKEYS.alg);
- if (!alg) {
+ if (Number.isNaN(Number(alg))) {
throw new Error('Credential public key was missing alg');
}