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| import { encrypt, decrypt } from './content_encryption.js';
| import { encode as b64u } from '../util/base64url.js';
| export async function wrap(alg, key, cek, iv) {
| const jweAlgorithm = alg.slice(0, 7);
| const wrapped = await encrypt(jweAlgorithm, cek, key, iv, new Uint8Array());
| return {
| encryptedKey: wrapped.ciphertext,
| iv: b64u(wrapped.iv),
| tag: b64u(wrapped.tag),
| };
| }
| export async function unwrap(alg, key, encryptedKey, iv, tag) {
| const jweAlgorithm = alg.slice(0, 7);
| return decrypt(jweAlgorithm, key, encryptedKey, iv, tag, new Uint8Array());
| }
|
|
