import { type KdfParams } from './kdf.js';
import { SecretBuffer } from './secret-buffer.js';
export declare const HEADER_LEN: number;
export declare class KeyfileFormatError extends Error {
    constructor(reason: string);
}
export declare class WrongPassphraseError extends Error {
    constructor();
}
export declare function sealKey(plainKey: Buffer | Uint8Array, passphrase: Buffer | Uint8Array, params?: KdfParams): Buffer;
export declare function unsealKey(keyfileBytes: Buffer, passphrase: Buffer | Uint8Array): SecretBuffer;
//# sourceMappingURL=keyfile.d.ts.map