/// <reference types="node" />
import * as crypto from 'crypto';
import { ACCESS } from './basic';
import { SecretKey } from './secret';
import { KeySize } from './types';
export interface DiffieHellmanExchange {
    public: string;
    prime: string;
    generator: string;
}
export declare class DH {
    #private;
    constructor(access: typeof ACCESS, dh: crypto.DiffieHellman);
    exchange(): DiffieHellmanExchange;
    secret(info: DiffieHellmanExchange): SecretKey;
    static create(info: KeySize | DiffieHellmanExchange): DH;
    static secret(info: DiffieHellmanExchange): {
        secret: SecretKey;
        exchange: DiffieHellmanExchange;
    };
}