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2025-09-01 22:12:29 +02:00
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commit 02a54f61c0
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import { flattenedDecrypt } from '../flattened/decrypt.js';
import { JWEInvalid } from '../../util/errors.js';
import { decoder } from '../../lib/buffer_utils.js';
export 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 flattenedDecrypt({
ciphertext,
iv: (iv || undefined),
protected: protectedHeader || undefined,
tag: (tag || undefined),
encrypted_key: encryptedKey || undefined,
}, key, options);
const result = { plaintext: decrypted.plaintext, protectedHeader: decrypted.protectedHeader };
if (typeof key === 'function') {
return { ...result, key: decrypted.key };
}
return result;
}