1 KB License the clients functionality by reading the license code from a web-server (continue reading here [in German])
1 KB Protect internet-hyperlinks against unauthorized access (continue reading here [in German])
1 KB Ensure the client is connected to the correct web-server
1 KB Ensure the server serves the correct client
1 KB Encrypt and decrypt files using DES, RC2, Triple DES and AES (Rijndael) algorithms using 64, 128, 192 and 256 bit key length (continue reading here [in German])

Features are available in C++ and/or C# for Microsoft® Visual Studio®.