/// <reference types="node" />
import { Curve } from './curve';
/**
 * All parameters defined by the Secp256k1 curve.
 */
export declare const secp256k1: Curve;
/**
 * Derive the public key from a private key. Returns the public key in compressed form.
 *
 * @param {Buffer} privateKey
 * @return {Buffer}
 */
export declare const getPublicKey: (privateKey: Buffer) => Buffer;
export declare const getAddress: (publicKey: Buffer) => string;
/**
 * Add a tweak to the private key. Will throw an error if the resulting key is invalid, e.g. when the tweak is larger
 * than n, or if Ki = 0.
 *
 * @param {Buffer} privateKey
 * @param {Buffer} tweakBuffer
 * @return {Buffer}
 */
export declare const privateAdd: (privateKey: Buffer, tweakBuffer: Buffer) => Buffer;
/**
 * Add a tweak to the public key. Will throw an error if the resulting key is invalid, e.g. when the tweak is larger
 * than n, or if Ki is the point at infinity.
 *
 * @param {Buffer} publicKey
 * @param {Buffer} tweakBuffer
 * @return {Buffer}
 */
export declare const publicAdd: (publicKey: Buffer, tweakBuffer: Buffer) => Buffer;
/**
 * Get the compressed public key from a decompressed public key. Throws if the key is invalid.
 *
 * @param {Buffer} publicKey
 * @return {Buffer}
 */
export declare const compressPublicKey: (publicKey: Buffer) => Buffer;
/**
 * Get the decompressed public key from a compressed public key. Throws if the public key is invalid.
 *
 * @param {Buffer} publicKey
 * @return {Buffer}
 */
export declare const decompressPublicKey: (publicKey: Buffer) => Buffer;