Open Source C# Encryption Software

Eluvium is an easy to use encryption software that uses 256-bit military grade encryption to protect your private files and prevent them from being modified, read or even theft. Protect all your sensitive personal and commercial information including your photos, credit card data, tax returns or any other private document. Eluvium, don't require an internet connection. We take our privacy policy very seriously, so we never have any knowledge of your password and no way to retrieve or reset it, even in emergencies. It's one of the ways in which we ensure that our users' data is always completely secure... even from ourselves.

An enhanced and smaller version of Cryptography Application Block from Microsoft patterns & practices Enterprise Library 2.0.

An encryption library written in C# on .net 2.0, includes SHA1 and MD5 encryption atm. Also includes usercontrols for Visual Studio. Readme can me downloaded separately in the files section.

RainDoll aims to be an implementation of a symmetric-encryption utility for desktop users written in C#/.NET and Windows Forms with two goals: security and simplicity. It uses cryptographic standards for security, and has a smart, compact interface.