From the developer: The Encryption Toolkit 2003 includes all the tools you need to add file encryption and data encryption to your applications. The toolkit includes COM objects with a standard interface for both the Pocket PC and Windows desktop platforms, enabling you to use the same source code on both platforms. The toolkit is ideal for standalone Windows or Pocket PC applications and Client/Server applications. The Nickellie Encryption Toolkit 2003 includes all necessary runtime and debug DLLs; complete technical manual in Windows Help format; sample projects in Visual Basic, Embedded Visual Basic, Visual C++, and Embedded Visual C++; thirty days of free technical support via email; and the Nickellie Satisfaction Guarantee. The toolkit is available in three distinct editions: Trial, Business, and Unlimited; the Unlimited Edition allows you full royalty-free rights to distribute applications you build using the toolkit.