Support for CryptoSys^TM API

For support, please send details of your problem using our contact page. Please tell us at least:

The programming language you are using (VB6, C#, etc)
The operating system: 64-bit or 32-bit.
The exact error message you are getting.
A snippet of code where the error occurs.

We will gladly respond to "quick" support questions via email using the above contact page, but please check the Known Issues page first.

We reserve the right to charge for our time for more detailed programming issues or for problems not caused by our software. Note that the fee paid for the licence is purely for the licence and the right to download one copy of the software.

For assistance in programming in your language, please see the sections in the manual:

Using with Classic Visual Basic and VBA
Using with C and C++
Using with .NET: C# and VB.NET/VB2005
Using with COM/ASP
"Hello world" programs

For examples of how to use the functions in CryptoSys API, see the Examples Page.

This page last updated 15 August 2025

Support for CryptoSysTM API

Support for CryptoSys^TM API