import { encoding } from 'create-hash';
export declare const sha256: (data: Buffer, resultEncoding?: encoding) => string | Buffer;
export declare const sha512: (data: string | Buffer, resultEncoding?: encoding) => string | Buffer;
export declare const HmacSHA256: (buffer: Buffer, secret: Buffer) => Buffer;
export declare const ripemd160: (data: string | Buffer, hex?: encoding) => string | Buffer;