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