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- (function() {
- var nodeEnv = typeof require !== 'undefined' && typeof process !== 'undefined';
- var __module = nodeEnv ? module : {exports:{}};
- var __filename = 'preview-scripts/__node_modules/randombytes/browser.js';
- var __require = nodeEnv ? function (request) {
- return cc.require(request);
- } : function (request) {
- return __quick_compile_project__.require(request, __filename);
- };
- function __define (exports, require, module) {
- if (!nodeEnv) {__quick_compile_project__.registerModule(__filename, module);}(function (process,global){
- 'use strict'
- // limit of Crypto.getRandomValues()
- // https://developer.mozilla.org/en-US/docs/Web/API/Crypto/getRandomValues
- var MAX_BYTES = 65536
- // Node supports requesting up to this number of bytes
- // https://github.com/nodejs/node/blob/master/lib/internal/crypto/random.js#L48
- var MAX_UINT32 = 4294967295
- function oldBrowser () {
- throw new Error('Secure random number generation is not supported by this browser.\nUse Chrome, Firefox or Internet Explorer 11')
- }
- var Buffer = require('safe-buffer').Buffer
- var crypto = global.crypto || global.msCrypto
- if (crypto && crypto.getRandomValues) {
- module.exports = randomBytes
- } else {
- module.exports = oldBrowser
- }
- function randomBytes (size, cb) {
- // phantomjs needs to throw
- if (size > MAX_UINT32) throw new RangeError('requested too many random bytes')
- var bytes = Buffer.allocUnsafe(size)
- if (size > 0) { // getRandomValues fails on IE if size == 0
- if (size > MAX_BYTES) { // this is the max bytes crypto.getRandomValues
- // can do at once see https://developer.mozilla.org/en-US/docs/Web/API/window.crypto.getRandomValues
- for (var generated = 0; generated < size; generated += MAX_BYTES) {
- // buffer.slice automatically checks if the end is past the end of
- // the buffer so we don't have to here
- crypto.getRandomValues(bytes.slice(generated, generated + MAX_BYTES))
- }
- } else {
- crypto.getRandomValues(bytes)
- }
- }
- if (typeof cb === 'function') {
- return process.nextTick(function () {
- cb(null, bytes)
- })
- }
- return bytes
- }
- }).call(this,require("../process/browser.js"),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
- }
- if (nodeEnv) {
- __define(__module.exports, __require, __module);
- }
- else {
- __quick_compile_project__.registerModuleFunc(__filename, function () {
- __define(__module.exports, __require, __module);
- });
- }
- })();
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