These files have been downloaded from 
http://www.rsasecurity.com/rsalabs/node.asp?id=2133

They were marked version 2.20.
This note was linked to the files:

Regarding the header / include files:

License to copy and use this software is granted provided that it is identified
as "RSA Security Inc. PKCS #11 Cryptographic Token Interface (Cryptoki)" in all
material mentioning or referencing this software or this function. 

License is also granted to make and use derivative works provided that such
works are identified as "derived from the RSA Security Inc. PKCS #11
Cryptographic Token Interface (Cryptoki)" in all material mentioning or
referencing the derived work. 

This software is provided AS IS and RSA Security, Inc. disclaims all warranties
including but not limited to the implied warranty of merchantability, fitness
for a particular purpose, and noninfringement.

Note: on linux cryptoki.h did not compile without changes.
The file was edited and 
	#ifndef _WIN32
	#define CK_IMPORT_SPEC
	#define CK_EXPORT_SPEC
	#define CK_CALL_SPEC

	#else
...
	#endif
was added. If anyone knows a better solution, please let us know.

Also the files were converted from dos line endings (\r\n) to unix
line endings (\n) using "fromdos" command.
