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Network Working Group                                         R. FougnerRequest for Comments: 1170                           Public Key Partners                                                            January 1991Public Key Standards and LicensesStatus of this Memo   This RFC is a public statement by Public Key Partners regarding   Public Key Standards and Licenses.  This memo is for informational   use only, and does not constitute an Internet standard.  Distribution   of this memo is unlimited.Public Key Standards and Licenses   The Massachusetts Institute of Technology and the Board of Trustees   of the Leland Stanford Junior University have recently granted Public   Key Partners exclusive sublicensing rights to the following patents   registered in the United States, and all of their corresponding   foreign patents:      Cryptographic Apparatus and Method      ("Diffie-Hellman")............................... No. 4,200,770      Public Key Cryptographic Apparatus      and Method ("Hellman-Merkle").................... No. 4,218,582      Cryptographic Communications System and      Method ("RSA")................................... No. 4,405,829      Exponential Cryptographic Apparatus      and Method ("Hellman-Pohlig").................... No. 4,424,414   These patents cover all known methods of practicing the art of Public   Key, including the variations collectively known as El Gamal.   Due to the broad acceptance of RSA digital signatures throughout the   international community, Public Key Partners strongly endorses its   incorporations in a digital signature standard.  We assure the   interested parties that Public Key Partners will comply with all of   the policies of ANSI and the IEEE concerning the availability of   licenses to practice this art.  Specifically, in support of any RSA   signature standard which may be adopted, Public Key Partners hereby   gives its assurance that licenses to practice RSA signatures will be   available under reasonable terms and conditions on a non-   discriminatory basis.Fougner                                                         [Page 1]

RFC 1170           Public Key Standards and Licenses        January 1991   We take this opportunity to thank all of those concerned for their   collective efforts in making this technology readily available for   commercial implementation.                                           Public Key Partners                                           By:  Robert B. Fougner                                                Director of LicensingSecurity Considerations   This memo discusses fair access to the use of public key technology   to implement security.Author's Address   Robert B. Fougner   Director of Licensing   Public Key Partners   130 B Kifer Court   Sunnyvale, CA 94086   Phone:  (408) 735-6779Fougner                                                         [Page 2]