2025-12-03 20:54:35 +01:00

17 lines
620 B
JavaScript

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());
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());
}