Files
TK-FB-Project/api.hyungi.net/node_modules/@simplewebauthn/server/esm/helpers/verifySignature.js

36 lines
1.2 KiB
JavaScript

import { isoCrypto } from './iso/index.js';
import { decodeCredentialPublicKey } from './decodeCredentialPublicKey.js';
import { convertX509PublicKeyToCOSE } from './convertX509PublicKeyToCOSE.js';
/**
* Verify an authenticator's signature
*/
export function verifySignature(opts) {
const { signature, data, credentialPublicKey, x509Certificate, hashAlgorithm, } = opts;
if (!x509Certificate && !credentialPublicKey) {
throw new Error('Must declare either "leafCert" or "credentialPublicKey"');
}
if (x509Certificate && credentialPublicKey) {
throw new Error('Must not declare both "leafCert" and "credentialPublicKey"');
}
let cosePublicKey = new Map();
if (credentialPublicKey) {
cosePublicKey = decodeCredentialPublicKey(credentialPublicKey);
}
else if (x509Certificate) {
cosePublicKey = convertX509PublicKeyToCOSE(x509Certificate);
}
return _verifySignatureInternals.stubThis(isoCrypto.verify({
cosePublicKey,
signature,
data,
shaHashOverride: hashAlgorithm,
}));
}
/**
* Make it possible to stub the return value during testing
* @ignore Don't include this in docs output
*/
export const _verifySignatureInternals = {
stubThis: (value) => value,
};