CSharp-Coder

Learn encryption in C# with AES, RSA, and hashing. Complete developer guide with runnable code examples, best practices, and security pitfalls. Start coding securely today. Whether you're storing user passwords, protecting API keys, or transmitting sensitive data, encryption in C# is a skill every .NET developer needs in 2026. The good news? The .NET base class library ships with battle-tested cryptography primitives in the System.Security.Cryptography namespace, so you rarely need third-party packages. The bad news? It's surprisingly easy to use them incorrectly and ship insecure code that looks safe. This complete developer guide covers the three pillars of applied cryptography — AES encryption in C# (symmetric), RSA encryption in C# (asymmetric), and C# hashing (one-way) — with practical, runnable code examples. More importantly, we'll explain why each technique works the way it does, so you can make secure decisions instead of copy-pasting Stack Overflo...