@simplewebauthn/server
Version:
SimpleWebAuthn for Servers
36 lines (35 loc) • 1.11 kB
JavaScript
import { COSEALG } from './cose.js';
/**
* Map X.509 signature algorithm OIDs to COSE algorithm IDs
*
* - EC2 OIDs: https://oidref.com/1.2.840.10045.4.3
* - RSA OIDs: https://oidref.com/1.2.840.113549.1.1
*/
export function mapX509SignatureAlgToCOSEAlg(signatureAlgorithm) {
let alg;
if (signatureAlgorithm === '1.2.840.10045.4.3.2') {
alg = COSEALG.ES256;
}
else if (signatureAlgorithm === '1.2.840.10045.4.3.3') {
alg = COSEALG.ES384;
}
else if (signatureAlgorithm === '1.2.840.10045.4.3.4') {
alg = COSEALG.ES512;
}
else if (signatureAlgorithm === '1.2.840.113549.1.1.11') {
alg = COSEALG.RS256;
}
else if (signatureAlgorithm === '1.2.840.113549.1.1.12') {
alg = COSEALG.RS384;
}
else if (signatureAlgorithm === '1.2.840.113549.1.1.13') {
alg = COSEALG.RS512;
}
else if (signatureAlgorithm === '1.2.840.113549.1.1.5') {
alg = COSEALG.RS1;
}
else {
throw new Error(`Unable to map X.509 signature algorithm ${signatureAlgorithm} to a COSE algorithm`);
}
return alg;
}