Sha256: c99a2a53ffe66e365fccf05797173ce030b92c7296d73650f2db0dc9d224a626
Contents?: true
Size: 916 Bytes
Versions: 8
Compression:
Stored size: 916 Bytes
Contents
// Original code adapted from Robert Kieffer.
// details at https://github.com/broofa/node-uuid
(function() {
var _global = this;
var mathRNG, whatwgRNG;
// NOTE: Math.random() does not guarantee "cryptographic quality"
mathRNG = function(size) {
var bytes = new Array(size);
var r;
for (var i = 0, r; i < size; i++) {
if ((i & 0x03) == 0) r = Math.random() * 0x100000000;
bytes[i] = r >>> ((i & 0x03) << 3) & 0xff;
}
return bytes;
}
// currently only available in webkit-based browsers.
if (_global.crypto && crypto.getRandomValues) {
var _rnds = new Uint32Array(4);
whatwgRNG = function(size) {
var bytes = new Array(size);
crypto.getRandomValues(_rnds);
for (var c = 0 ; c < size; c++) {
bytes[c] = _rnds[c >> 2] >>> ((c & 0x03) * 8) & 0xff;
}
return bytes;
}
}
module.exports = whatwgRNG || mathRNG;
}())
Version data entries
8 entries across 6 versions & 3 rubygems