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Welcome to cryptlib

cryptlib is a powerful security toolkit which allows even inexperienced crypto programmers to easily add encryption and authentication services to their software. The high-level interface provides anyone with the ability to add strong security capabilities to an application in as little as half an hour, without needing to know any of the low-level details which make the encryption or authentication work. Because of this, cryptlib dramatically reduces the cost involved in adding security to new or existing applications.

The above is copied from
Peter Gutman's   cryptlib homepage.

I wrote several add on's to allow cryptlib functions to be called from programs written in other programming languages. All sources and examples published here are for the Windows operating systems (2000 / 2003 / XP / Vista / Windows 7).

Please select:

AddOn's for Delphi programmers
"Cryptlib Spy" a call trace facility for Windows users
CL32.DLL+CL64.DLL Peter Gutman's Cryptlib Library version 3.4.2 (binaries)

Last changes for Cryptlib version 3.4.2 , details see changelog