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

32 lines
943 B
JavaScript

import { invalidKeyInput } from './invalid_key_input.js';
import { encode as b64u } from '../util/base64url.js';
import { isCryptoKey, isKeyObject } from './is_key_like.js';
export async function keyToJWK(key) {
if (isKeyObject(key)) {
if (key.type === 'secret') {
key = key.export();
}
else {
return key.export({ format: 'jwk' });
}
}
if (key instanceof Uint8Array) {
return {
kty: 'oct',
k: b64u(key),
};
}
if (!isCryptoKey(key)) {
throw new TypeError(invalidKeyInput(key, 'CryptoKey', 'KeyObject', '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);
if (jwk.kty === 'AKP') {
;
jwk.alg = alg;
}
return jwk;
}