UNPKG

@authing/jose

Version:

Webpack v4 compatible version of panva/jose v3.x

22 lines (21 loc) 587 B
import { JOSENotSupported } from '../util/errors.js'; const bitLengths = new Map([ ['A128CBC-HS256', 128], ['A128GCM', 96], ['A128GCMKW', 96], ['A192CBC-HS384', 128], ['A192GCM', 96], ['A192GCMKW', 96], ['A256CBC-HS512', 128], ['A256GCM', 96], ['A256GCMKW', 96], ]); 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 };