Download the Server Trial Version of CryptoSys API

The Server Trial Version of CryptoSys API is available at no charge to evaluate the CryptoSys API in all environments including IIS/ASP. It expires after 30 days. There is no need for any further registration or activation after installing. Please read the full licence document before downloading.

The latest Server Trial version is 4.1.1.0.

Developer Version

A Developer's Licence for CryptoSys API allows full incorporation into your applications for distribution to third parties world wide, or for site-wide use within your organisation in all environments. Buy Now!.

Server Trial Version

Download the Server Trial version of the CryptoSys API now:

The Server Trial Version includes the full manual and test functions in Visual Basic, C, VB.NET, C# and ASP. It also includes the source code for the ActiveX interface. Please read the licence conditions for the Server Trial version. Version 4.1 was released on 12 July 2008.

x64 Version

Version 4.1 includes an alternative core DLL compiled for 64-bit machines (hence the bloated size of the download!). You will need to install the 32-bit version (to get the correct registry settings) and then copy the x64 DLL to overwrite the Win32 version. We currently can't support the 64-bit version. If it works for you, please use it. If not, please let us know.

MessageBox Optional Registry Setting

The default installation procedure for the Server Trial Version makes a registry setting that turns off the MessageBox warning if there is a critical error (including the licence expiring). This is recommended for use on an IIS server. There will still be an error event that can be checked using the Event Viewer in the Application Log. If you want to change this setting, use one of these two registry editor files. You will need administrator privileges.

To turn the message box back on: apiEventMsgBoxOn.zip
To turn the message box off: apiEventMsgBoxOff.zip

For more details refer to the section Optional Registry Settings in the manual.