import type { CipherGCMTypes } from "node:crypto";
export type { CipherGCMTypes } from "node:crypto";
import type util from "node:util";
export type CryptoModule = typeof crypto;
import type crypto from "node:crypto";
export interface UtilModule {
    promisify: typeof util.promisify;
}
interface EncryptorConfig {
    algorithm?: CipherGCMTypes;
    authTagLength?: number;
    ivLength?: number;
    keyLength?: number;
    saltLength?: number;
}
export declare class Encryptor {
    private readonly algorithm;
    private readonly authTagLength;
    private readonly crypto;
    private readonly ivLength;
    private readonly keyLength;
    private readonly saltLength;
    private readonly scryptAsync;
    constructor(cryptoModule: CryptoModule, utilModule: UtilModule, config?: EncryptorConfig);
    decrypt(encryptedBuffer: Buffer, key: Buffer): Promise<Buffer>;
    encrypt(buffer: Buffer, key: Buffer): Promise<Buffer>;
    generateKey(): Buffer;
}