diff options
Diffstat (limited to 'packages/server/src')
| -rw-r--r-- | packages/server/src/helpers/iso/isoCrypto/unwrapEC2Signature.ts | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/packages/server/src/helpers/iso/isoCrypto/unwrapEC2Signature.ts b/packages/server/src/helpers/iso/isoCrypto/unwrapEC2Signature.ts index 259e3fe..eec28bc 100644 --- a/packages/server/src/helpers/iso/isoCrypto/unwrapEC2Signature.ts +++ b/packages/server/src/helpers/iso/isoCrypto/unwrapEC2Signature.ts @@ -4,7 +4,9 @@ import { AsnParser } from '@peculiar/asn1-schema'; import { isoUint8Array } from '../'; /** - * EC2 signatures are wrapped in ASN.1 structure, so we need to peel it apart + * In WebAuthn, EC2 signatures are wrapped in ASN.1 structure so we need to peel r and s apart. + * + * See https://www.w3.org/TR/webauthn-2/#sctn-signature-attestation-types */ export function unwrapEC2Signature(signature: Uint8Array): Uint8Array { const parsedSignature = AsnParser.parse(signature, ECDSASigValue); |