import encrypt from './encrypt.js'; import decrypt from './decrypt.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(0)); 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(0)); }