import * as pkcs11 from "pkcs11js";
import { IParams, MechParams } from "../params";
import { EcKdf } from "./kdf";
/**
 * ECDH parameters
 */
export declare class EcdhParams implements IParams, pkcs11.ECDH1 {
    /**
     * Key derivation function used on the shared secret value
     */
    kdf: EcKdf;
    /**
     * Some data shared between the two parties
     */
    sharedData: Buffer;
    /**
     * Other party's EC public key value
     */
    publicData: Buffer;
    type: MechParams;
    /**
     * Creates an instance of {@link EcdhParams}
     *
     * @param kdf key derivation function used on the shared secret value
     * @param sharedData some data shared between the two parties
     * @param publicData other party's EC public key value
     */
    constructor(kdf: EcKdf, sharedData?: Buffer | null, publicData?: Buffer | null);
    toCKI(): pkcs11.ECDH1;
}