15 lines
688 B
JavaScript
15 lines
688 B
JavaScript
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import encrypt from '../runtime/encrypt.js';
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import decrypt from '../runtime/decrypt.js';
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import generateIv from './iv.js';
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import { encode as base64url } from '../runtime/base64url.js';
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export async function wrap(alg, key, cek, iv) {
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const jweAlgorithm = alg.slice(0, 7);
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iv || (iv = generateIv(jweAlgorithm));
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const { ciphertext: encryptedKey, tag } = await encrypt(jweAlgorithm, cek, key, iv, new Uint8Array(0));
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return { encryptedKey, iv: base64url(iv), tag: base64url(tag) };
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}
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export async function unwrap(alg, key, encryptedKey, iv, tag) {
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const jweAlgorithm = alg.slice(0, 7);
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return decrypt(jweAlgorithm, key, encryptedKey, iv, tag, new Uint8Array(0));
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}
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