From 26105034da4fcce7ac883c899d781f016559310d Mon Sep 17 00:00:00 2001 From: ruki Date: Thu, 8 Nov 2018 00:38:48 +0800 Subject: switch to vuepress --- node_modules/randombytes/browser.js | 38 +++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 node_modules/randombytes/browser.js (limited to 'node_modules/randombytes/browser.js') diff --git a/node_modules/randombytes/browser.js b/node_modules/randombytes/browser.js new file mode 100644 index 00000000..58990c55 --- /dev/null +++ b/node_modules/randombytes/browser.js @@ -0,0 +1,38 @@ +'use strict' + +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 > 65536) throw new Error('requested too many random bytes') + // in case browserify isn't using the Uint8Array version + var rawBytes = new global.Uint8Array(size) + + // This will not work in older browsers. + // See https://developer.mozilla.org/en-US/docs/Web/API/window.crypto.getRandomValues + if (size > 0) { // getRandomValues fails on IE if size == 0 + crypto.getRandomValues(rawBytes) + } + + // XXX: phantomjs doesn't like a buffer being passed here + var bytes = Buffer.from(rawBytes.buffer) + + if (typeof cb === 'function') { + return process.nextTick(function () { + cb(null, bytes) + }) + } + + return bytes +} -- cgit v1.2.3