Sha256: fed8bec1887cfda9f576e1fb7ea4310a6f7c9833cdd55494428774815cbeeb23
Contents?: true
Size: 682 Bytes
Versions: 140
Compression:
Stored size: 682 Bytes
Contents
var rng;
if (global.crypto && crypto.getRandomValues) {
// WHATWG crypto-based RNG - http://wiki.whatwg.org/wiki/Crypto
// Moderately fast, high quality
var _rnds8 = new Uint8Array(16);
rng = function whatwgRNG() {
crypto.getRandomValues(_rnds8);
return _rnds8;
};
}
if (!rng) {
// Math.random()-based (RNG)
//
// If all else fails, use Math.random(). It's fast, but is of unspecified
// quality.
var _rnds = new Array(16);
rng = function() {
for (var i = 0, r; i < 16; i++) {
if ((i & 0x03) === 0) r = Math.random() * 0x100000000;
_rnds[i] = r >>> ((i & 0x03) << 3) & 0xff;
}
return _rnds;
};
}
module.exports = rng;
Version data entries
140 entries across 71 versions & 3 rubygems