@plugnet/util-crypto/schnorrkel/sign.js

A collection of useful crypto utilities for @plugnet

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = schnorrkelSign;

require("../polyfill");

var _util = require("@plugnet/util");

var _wasmCrypto = require("@plugnet/wasm-crypto");

// Copyright 2017-2019 @polkadot/util-crypto authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.

/**
 * @name schnorrkelSign
 * @description Returns message signature of `message`, using the supplied pair
 */
function schnorrkelSign(message, _ref) {
  let {
    publicKey,
    secretKey
  } = _ref;
  (0, _util.assert)(publicKey && publicKey.length === 32, 'Expected valid publicKey, 32-bytes');
  (0, _util.assert)(secretKey && secretKey.length === 64, 'Expected valid secretKey, 64-bytes');
  const messageU8a = (0, _util.u8aToU8a)(message);
  return (0, _wasmCrypto.sr25519Sign)(publicKey, secretKey, messageU8a);
}