KeyChain.Net (nuget): A unified, simple to use library that enables developers storing, accessing, updating and deleting keys and passwords on multiple platforms. Internally, the library uses iOS KeyChain and Android KeyStore features. The library exposes KeyChainHelper which is a simple one-entry to the library on all platforms. KeyChainHelper implements IKeyChainHelper on all platform. Have a look at IKeyChainHelper (on github) to gain a better understanding of what you can do with it.
Keywords: KeyChain|pcl|keyStore|privateKey|password|secure|security|protection|ios|android|windows|xamarin|monotouch|monodroid|winrt|winphone