This is a library to abstract access to the keychain on iOS devices. It is a cateogry on UIApplication which must be compiled without ARC. If you're using ARC, that's awesome! But to avoid problems with bridging casts with Core Foundation classes, set -fno-objc-arc as a file-specific compiler flag. Maybe I'll be less lazy in the future and convert it over. Maybe.

Based on @kharrison's blog post on accessing an iOS device's keychain.