|Research Triangle Software Inc.|
CryptoLock ™ v1.5.0 build(1209)
Download the FREE decrypt only version of CryptoLock to decrypt .CEA and .CIP files as well as encrypted LetterMark® email attachments
This version can be upgraded to the full version using an activation key from our online store or try it using a free trial by selecting 'Get Activation Key' from the Help menu after you have installed CryptoLock on your PC.
CryptoLock Setup Download(1.2MB)
Portable Security Suite
This version can be upgraded to the full version using an activation key from our online store by selecting 'Enter Activation Key' from the Help menu after you have installed the RTS Portable Security Suite on your USB device.Portable Security Suite Setup Download
More information about the RTS Portable Security Suite
Note: This download is intended for use on USB removable disk drives. The installer for this application will only allow you to install the software on devices that appear to Microsoft Windows® as removable disks.
Older Drivers for CryptoSticks
Driver downloads are available for Windows 2000 and earlier versions of Windows.
LetterMark users will need to download the software by logging in to their LetterMark.NET personal account and accessing the software
downloads page at