/// <reference types="node" />
import { Base64String } from '@naturalcycles/js-lib';
export declare function md5(s: string | Buffer): string;
export declare function md5AsBase64(s: string | Buffer): Base64String;
export declare function md5AsBuffer(s: string | Buffer): Buffer;
export declare function sha256(s: string | Buffer): string;
export declare function sha256AsBase64(s: string | Buffer): Base64String;
export declare function sha256AsBuffer(s: string | Buffer): Buffer;
export declare function hash(s: string | Buffer, algorithm: string): string;
export declare function hashAsBuffer(s: string | Buffer, algorithm: string): Buffer;
export declare function base64(s: string | Buffer): Base64String;
export declare function base64ToString(strBase64: Base64String): string;
export declare function base64ToBuffer(strBase64: string): Buffer;
export declare function stringToBase64(s: string): Base64String;
export declare function bufferToBase64(b: Buffer): Base64String;