Dr. Burton S. Kaliski Jr., Chair
IEEE P1363
c/o RSA Laboratories
20 Crosby Drive,
Bedford, MA 01730 USA

Dear Dr. Kaliski:

This letter confirms the following:

Cylink Corporation is the assignee of the referenced patent. In accordance with IEEE's policies, Cylink Corporation will make licenses available to practice the art disclosed by the referenced patent to all applicants under reasonable rates, with reasonable terms and conditions that are demonstrably free of any unfair discrimination.

In determining these terms, Cylink Corporation reserves the right to take into consideration whether the applicant is currently infringing on the referenced patent, and whether applicant has offered similar assurances to license related patents under its control.

For any additional information, please feel free to contact the undersigned.