Intellectual Property Considerations

RSA Security makes no patent claims on the general constructions
described in this document, although specific underlying techniques
may be covered. Among the underlying techniques, the RC5 encryption
algorithm (Appendix B.2.4) is protected by U.S. Patents 5,724,428
[22] and 5,835,600 [23].

RC2 and RC5 are trademarks of RSA Security.

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