jose/dist/node/esm/jwe/compact/decrypt.js
2021-08-20 14:09:59 +02:00

25 lines
1,008 B
JavaScript

import decrypt from '../flattened/decrypt.js';
import { JWEInvalid } from '../../util/errors.js';
import { decoder } from '../../lib/buffer_utils.js';
async function compactDecrypt(jwe, key, options) {
if (jwe instanceof Uint8Array) {
jwe = decoder.decode(jwe);
}
if (typeof jwe !== 'string') {
throw new JWEInvalid('Compact JWE must be a string or Uint8Array');
}
const { 0: protectedHeader, 1: encryptedKey, 2: iv, 3: ciphertext, 4: tag, length, } = jwe.split('.');
if (length !== 5) {
throw new JWEInvalid('Invalid Compact JWE');
}
const decrypted = await decrypt({
ciphertext: (ciphertext || undefined),
iv: (iv || undefined),
protected: protectedHeader || undefined,
tag: (tag || undefined),
encrypted_key: encryptedKey || undefined,
}, key, options);
return { plaintext: decrypted.plaintext, protectedHeader: decrypted.protectedHeader };
}
export { compactDecrypt };
export default compactDecrypt;