Several months ago, I received a request to port my RNCryptor module to Titanium. I’ve never been a fan of the JavaScript wrappers for iOS and Android. My belief and experience is that they’re far more trouble than their worth. But the goal of RNCryptor was always to help people use AES correctly, and that’s as important in JavaScript as it is in Objective-C. So I wrapped up RNCyptor into a Titanium module and stuck it on the Appcelerator Marketplace. Though RNCryptor is free, the pain of wrapping it into JavaScript led me to charge $10 for the Titanium version.

The pain of maintaining this thing has gotten to be too much, though. I’m releasing it today on GitHub in its current form, which is based on the older, synchronous form of RNCryptor. I may not have updated all the license text yet; if I miss any, it is under the MIT license. Thanks to those who purchased Cryptor-Titanium during its commercial life. Anyone who is interested in continuing development, please contact me (or submit a pull request).

Note that RNCryptor has always been an iOS-only solution, so the Titanium wrapper only works on iOS. If you want a correctly-written, cross-platform JavaScript solution, my recommendation is SJCL.

My experience here has strengthened my belief that the JavaScript shims for mobile development are bad in theory and horrible in practice. It is much easier to write a full iOS app and a full Android app than to try to write one app that runs well on both. JavaScript only makes it harder.