From GB Research:
CryptoSidekick is designed to make common encryption tasks easy. You don't need to be an expert in cryptography. You don't need to remember the cryptic commands of command-line tools, or waste your time flipping through the manuals. An intuitive, convenient tabbed GUI makes all encryption tasks just a mouse click away. And it's always at hand in the Windows Taskbar tray.
CryptoSidekick contains encryption facilities for common encryption tasks:
generation and management of public and private 2048-bit RSA keys.
256-bit AES symmetric and public key encryption and decryption for text, files and file archives.