How to generate keys with the Web Cryptography API

I have been playing around with the Web Cryptography API a lot lately.  My most recent post was about getRandomValues().  I wanted to take a moment to investigate two more methods: generateKey() and exportKey().  The generation of a good cryptographic key is fairly fundamental.  I wrote up a short demo app, to demonstrate how the two …

Continue reading "How to generate keys with the Web Cryptography API"

Generating random numbers with the Web Cryptography API

The W3C has been working on a Web Cryptography API for a while, now.  The current version (11 December 2014) is their “Candidate Recommendation”.  As such, I would not necessarily consider it fully ready for primetime but that does not mean that we can not play around with it a bit.  I figured that today, we should …

Continue reading "Generating random numbers with the Web Cryptography API"

How to use FileReader() to generate data URLs

These days, the lines between the web and the local environment can be very blurry.  There is a web API called FileReader() that nicely adds to that blurriness.  It lets you asynchronously read the contents of a file on the user’s computer.  I am going to show you one way of using it.     So, …

Continue reading "How to use FileReader() to generate data URLs"

A responsive, AngularJS “movie picker”

So, I have been working on a little side-hustle and I figured that I would share the most recent chunk of it.  I needed a way of allowing a person to uniquely select a movie.  You don’t want to just give the user a free-form box because of the 52 different ways you could input …

Continue reading "A responsive, AngularJS “movie picker”"