Buckets:
| import bogusWebCrypto from './bogus.js'; | |
| import crypto, { isCryptoKey } from './webcrypto.js'; | |
| import { checkEncCryptoKey } from '../lib/crypto_key.js'; | |
| import invalidKeyInput from '../lib/invalid_key_input.js'; | |
| import { types } from './is_key_like.js'; | |
| function checkKeySize(key, alg) { | |
| if (key.algorithm.length !== parseInt(alg.slice(1, 4), 10)) { | |
| throw new TypeError(`Invalid key size for alg: ${alg}`); | |
| } | |
| } | |
| function getCryptoKey(key, alg, usage) { | |
| if (isCryptoKey(key)) { | |
| checkEncCryptoKey(key, alg, usage); | |
| return key; | |
| } | |
| if (key instanceof Uint8Array) { | |
| return crypto.subtle.importKey('raw', key, 'AES-KW', true, [usage]); | |
| } | |
| throw new TypeError(invalidKeyInput(key, ...types, 'Uint8Array')); | |
| } | |
| export const wrap = async (alg, key, cek) => { | |
| const cryptoKey = await getCryptoKey(key, alg, 'wrapKey'); | |
| checkKeySize(cryptoKey, alg); | |
| const cryptoKeyCek = await crypto.subtle.importKey('raw', cek, ...bogusWebCrypto); | |
| return new Uint8Array(await crypto.subtle.wrapKey('raw', cryptoKeyCek, cryptoKey, 'AES-KW')); | |
| }; | |
| export const unwrap = async (alg, key, encryptedKey) => { | |
| const cryptoKey = await getCryptoKey(key, alg, 'unwrapKey'); | |
| checkKeySize(cryptoKey, alg); | |
| const cryptoKeyCek = await crypto.subtle.unwrapKey('raw', encryptedKey, cryptoKey, 'AES-KW', ...bogusWebCrypto); | |
| return new Uint8Array(await crypto.subtle.exportKey('raw', cryptoKeyCek)); | |
| }; | |
Xet Storage Details
- Size:
- 1.45 kB
- Xet hash:
- 21ad183c9a7ea9f3041b1c1d4b92f8e6664a78a573d7cbb65c8cebc0c18ba8a1
·
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