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- import crypto, { isCryptoKey } from './webcrypto.js';
- import invalidKeyInput from '../lib/invalid_key_input.js';
- import { encode as base64url } from './base64url.js';
- import { types } from './is_key_like.js';
- const keyToJWK = async (key) => {
- if (key instanceof Uint8Array) {
- return {
- kty: 'oct',
- k: base64url(key),
- };
- }
- if (!isCryptoKey(key)) {
- throw new TypeError(invalidKeyInput(key, ...types, 'Uint8Array'));
- }
- if (!key.extractable) {
- throw new TypeError('non-extractable CryptoKey cannot be exported as a JWK');
- }
- const { ext, key_ops, alg, use, ...jwk } = await crypto.subtle.exportKey('jwk', key);
- return jwk;
- };
- export default keyToJWK;
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