27 lines
890 B
Plaintext
27 lines
890 B
Plaintext
|
import { JOSENotSupported } from '../util/errors.js';
|
||
|
|
export default function subtleDsa(alg, algorithm) {
|
||
|
|
const hash = `SHA-${alg.slice(-3)}`;
|
||
|
|
switch (alg) {
|
||
|
|
case 'HS256':
|
||
|
|
case 'HS384':
|
||
|
|
case 'HS512':
|
||
|
|
return { hash, name: 'HMAC' };
|
||
|
|
case 'PS256':
|
||
|
|
case 'PS384':
|
||
|
|
case 'PS512':
|
||
|
|
return { hash, name: 'RSA-PSS', saltLength: alg.slice(-3) >> 3 };
|
||
|
|
case 'RS256':
|
||
|
|
case 'RS384':
|
||
|
|
case 'RS512':
|
||
|
|
return { hash, name: 'RSASSA-PKCS1-v1_5' };
|
||
|
|
case 'ES256':
|
||
|
|
case 'ES384':
|
||
|
|
case 'ES512':
|
||
|
|
return { hash, name: 'ECDSA', namedCurve: algorithm.namedCurve };
|
||
|
|
case 'EdDSA':
|
||
|
|
return { name: algorithm.name };
|
||
|
|
default:
|
||
|
|
throw new JOSENotSupported(`alg ${alg} is not supported either by JOSE or your javascript runtime`);
|
||
|
|
}
|
||
|
|
}
|