Build a small application that takes a few lines of text and encrypts or decrypts it. Examples are in C# and VB.NET.
Latest Security Articles
Learn what GUIDs are, how to randomly generate GUIDs, and how to copy them. Examples are given both in C# and VB.NET.
Learn about the TripleDES class, a triple-level encryption and decryption system available in .NET.
Discover how to see whether or not your Firewall is enabled. The code provided is in both C# and VB.NET.
Plunge into the main concepts of building claim-based security on top of a brand-new platform: ASP.NET Core (with .NET Core).
Self-signed certificates aren't just for securing communication with sockets. Learn how to use them to encrypt text.
Latest CodeGuru Developer Columns
Discover the concept of late binding—the work behind the scenes to realize the late binding mechanism. Sample code and examples are provided.
Discover the most common uses of the Process class to launch separate processes (programs) in a variety of ways. Example code is in C# and VB.NET.
Explore how to create and use a Ubuntu virtual machine.