@authing/jose
Version:
Webpack v4 compatible version of panva/jose v3.x
19 lines (18 loc) • 521 B
JavaScript
import { JOSENotSupported } from '../util/errors.js';
const bitLengths = new Map([
['A128CBC-HS256', 256],
['A128GCM', 128],
['A192CBC-HS384', 384],
['A192GCM', 192],
['A256CBC-HS512', 512],
['A256GCM', 256],
]);
const factory = (random) => (alg) => {
const bitLength = bitLengths.get(alg);
if (!bitLength) {
throw new JOSENotSupported(`Unsupported JWE Algorithm: ${alg}`);
}
return random(new Uint8Array(bitLength >> 3));
};
export default factory;
export { bitLengths };