Cryptix is a nice little app available on the App Store that allows you to encrypt and decrypt files using a variety of algorithms. However, while an easy to use encryption tool, it’s actually an even better learning tool for figuring out how various types of encryption techniques actually work. When you first open Cryptix, you’ll see a list of supported algorithms for encrypting files and passphrases. That part is simple enough, but click on the Tools icon in the toolbar. Here, you’ll see a number of features along the sidebar, including Checksum, which performs a quick checksum of files dragged on top of the green arrow and tracks hashes,…