@simplewebauthn/server
Version:
SimpleWebAuthn for Servers
20 lines (19 loc) • 747 B
JavaScript
import { COSEALG } from '../../cose.js';
/**
* Convert a COSE alg ID into a corresponding key algorithm string value that WebCrypto APIs expect
*/
export function mapCoseAlgToWebCryptoKeyAlgName(alg) {
if ([COSEALG.EdDSA].indexOf(alg) >= 0) {
return 'Ed25519';
}
else if ([COSEALG.ES256, COSEALG.ES384, COSEALG.ES512, COSEALG.ES256K].indexOf(alg) >= 0) {
return 'ECDSA';
}
else if ([COSEALG.RS256, COSEALG.RS384, COSEALG.RS512, COSEALG.RS1].indexOf(alg) >= 0) {
return 'RSASSA-PKCS1-v1_5';
}
else if ([COSEALG.PS256, COSEALG.PS384, COSEALG.PS512].indexOf(alg) >= 0) {
return 'RSA-PSS';
}
throw new Error(`Could not map COSE alg value of ${alg} to a WebCrypto key alg name`);
}