export interface DidJson {
    id: string;
    pubKey?: string;
    privKey: string;
}
export declare const genetateDid: () => Promise<DidJson>;
export declare const signById: (priv: string, data: Uint8Array) => Promise<string>;
export declare const verifyById: (id: string, signature: string, data: Uint8Array) => Promise<any>;