'use strict';
var elliptic = require('elliptic');
var keccak = require('ethereum-cryptography/keccak');
function keccak256(a) {
return Buffer.from(keccak.keccak256(a));
}
const ec = new elliptic.ec("secp256k1");
exports.ec = ec;
exports.keccak256 = keccak256;