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import encrypt from '../runtime/encrypt.ts'import decrypt from '../runtime/decrypt.ts'import { encode as base64url } from '../runtime/base64url.ts'
export async function wrap(alg: string, key: unknown, cek: Uint8Array, iv?: Uint8Array) {  const jweAlgorithm = alg.slice(0, 7)
  const wrapped = await encrypt(jweAlgorithm, cek, key, iv, new Uint8Array(0))
  return {    encryptedKey: wrapped.ciphertext,    iv: base64url(wrapped.iv!),    tag: base64url(wrapped.tag!),  }}
export async function unwrap(  alg: string,  key: unknown,  encryptedKey: Uint8Array,  iv: Uint8Array,  tag: Uint8Array,) {  const jweAlgorithm = alg.slice(0, 7)  return decrypt(jweAlgorithm, key, encryptedKey, iv, tag, new Uint8Array(0))}