Cryptographic Token Interface Standard

PKCS#11


Intellectual property considerations

The RSA public-key cryptosystem is described in U.S. Patent 4,405,829, which expired on September 20, 2000. The RC5 block cipher is protected by U.S. Patents 5,724,428 and 5,835,600. RSA Security Inc. makes no other patent claims on the constructions described in this document, although specific underlying techniques may be covered.

RSA, RC2 and RC4 are registered trademarks of RSA Security Inc. RC5 is a trademark of RSA Security Inc.

CAST, CAST3, CAST5, and CAST128 are registered trademarks of Entrust Technologies. OS/2 and CDMF (Commercial Data Masking Facility) are registered trademarks of International Business Machines Corporation. LYNKS is a registered trademark of SPYRUS Corporation. IDEA is a registered trademark of Ascom Systec. Windows, Windows 3.1, Windows 95, Windows NT, and Developer Studio are registered trademarks of Microsoft Corporation. UNIX is a registered trademark of UNIX System Laboratories. FORTEZZA is a registered trademark of the National Security Agency.

License to copy this document is granted provided that it is identified as "RSA Security Inc. Public-Key Cryptography Standards (PKCS)" in all material mentioning or referencing this document.

RSA Security Inc. makes no other representations regarding intellectual property claims by other parties. Such determination is the responsibility of the user.


RSA Security Inc. Public-Key Cryptography Standards - PKCS#11 - v211