Sha256: 95c8ad219a40639d35407ac2a25b678198dac2a050c2a50bda39656d97a62e78
Contents?: true
Size: 1.27 KB
Versions: 7
Compression:
Stored size: 1.27 KB
Contents
var r;
module.exports = function rand(len) {
if (!r)
r = new Rand(null);
return r.generate(len);
};
function Rand(rand) {
this.rand = rand;
}
module.exports.Rand = Rand;
Rand.prototype.generate = function generate(len) {
return this._rand(len);
};
if (typeof window === 'object') {
if (window.crypto && window.crypto.getRandomValues) {
// Modern browsers
Rand.prototype._rand = function _rand(n) {
var arr = new Uint8Array(n);
window.crypto.getRandomValues(arr);
return arr;
};
} else if (window.msCrypto && window.msCrypto.getRandomValues) {
// IE
Rand.prototype._rand = function _rand(n) {
var arr = new Uint8Array(n);
window.msCrypto.getRandomValues(arr);
return arr;
};
} else {
// Old junk
Rand.prototype._rand = function() {
throw new Error('Not implemented yet');
};
}
} else {
// Node.js or Web worker
try {
var crypto = require('cry' + 'pto');
Rand.prototype._rand = function _rand(n) {
return crypto.randomBytes(n);
};
} catch (e) {
// Emulate crypto API using randy
Rand.prototype._rand = function _rand(n) {
var res = new Uint8Array(n);
for (var i = 0; i < res.length; i++)
res[i] = this.rand.getByte();
return res;
};
}
}
Version data entries
7 entries across 7 versions & 2 rubygems