/**
 * @license
 * Copyright 2022-2026 Matter.js Authors
 * SPDX-License-Identifier: Apache-2.0
 */
import { Bytes } from "#util/Bytes.js";
import type { Crypto } from "./Crypto.js";
/**
 * A symmetric cipher for encrypting and decrypting data.
 */
export interface Cipher {
    encrypt(data: Bytes): Bytes;
    decrypt(data: Bytes): Bytes;
}
/**
 * AES-128-CCM cipher using the platform's {@link Crypto} implementation.
 *
 * Storage format: `[13-byte nonce][ciphertext + 16-byte auth tag]`.
 */
export declare class AesCipher implements Cipher {
    #private;
    constructor(crypto: Crypto, key: Bytes);
    encrypt(data: Bytes): Bytes;
    decrypt(data: Bytes): Bytes;
}
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