export declare const AUTH_FILE: string;
export interface AuthConfig {
    hash: string;
    salt: string;
    autoLockMinutes?: number;
    pinHash?: string;
    pinSalt?: string;
}
export declare function loadAuthConfig(): AuthConfig | null;
export declare function saveAuthConfig(config: AuthConfig): void;
export declare function removeAuthConfig(): void;
export declare function hashPassword(password: string, salt: string): string;
export declare function timingSafeHexEqual(a: string, b: string): boolean;
export declare function isPasswordConfigured(): boolean;