Is "Math.random" the same as "crypto.getRandomValues" (JavaScript security)

This question may be a little off-topic, but is Math.random the same as crypto.getRandomValues? (JavaScript)
Here’s an example:
Math.random(); // 0.11918419514323941
self.crypto.getRandomValues(new Uint32Array(10))[0]; // 2798055700

(Usin… Continue reading Is "Math.random" the same as "crypto.getRandomValues" (JavaScript security)

Is window.postMessage origin check important for “stateless” iframe application?

So I’m creating a service that will be embedded in iframes and with web views like JxBrowser, the parent site will be able to pass in private input data with window.postMessage and receive back message events with private out… Continue reading Is window.postMessage origin check important for “stateless” iframe application?