RFC 1114 (rfc1114) - Page 1 of 25

Privacy enhancement for Internet electronic mail: Part II - certificate-based key management

Network Working Group                                            S. Kent
Request for Comments:  1114                                        BBNCC
                                                                 J. Linn
                                                                     DEC
                                                  IAB Privacy Task Force
                                                             August 1989


           Privacy Enhancement for Internet Electronic Mail:
              Part II -- Certificate-Based Key Management

STATUS OF THIS MEMO

   This RFC suggests a draft standard elective protocol for the Internet
   community, and requests discussion and suggestions for improvements.
   Distribution of this memo is unlimited.

ACKNOWLEDGMENT

   This RFC is the outgrowth of a series of IAB Privacy Task Force
   meetings and of internal working papers distributed for those
   meetings.  We would like to thank the members of the Privacy Task
   Force for their comments and contributions at the meetings which led
   to the preparation of this RFC: David Balenson, Curt Barker, Matt
   Bishop, Morrie Gasser, Russ Housley, Dan Nessett, Mike Padlipsky, Rob
   Shirey, and Steve Wilbur.

Table of Contents

   1.  Executive Summary                                               2
   2.  Overview of Approach                                            3
   3.  Architecture                                                    4
   3.1  Scope and Restrictions                                         4
   3.2  Relation to X.509 Architecture                                 7
   3.3  Entities' Roles and Responsibilities                           7
   3.3.1  Users and User Agents                                        8
   3.3.2  Organizational Notaries                                      9
   3.3.3  Certification Authorities                                   11
   3.3.3.1  Interoperation Across Certification Hierarchy Boundaries  14
   3.3.3.2  Certificate Revocation                                    15
   3.4  Certificate Definition and Usage                              17
   3.4.1  Contents and Use                                            17
   3.4.1.1  Version Number                                            18
   3.4.1.2  Serial Number                                             18
   3.4.1.3  Subject Name                                              18
   3.4.1.4  Issuer Name                                               19
   3.4.1.5  Validity Period                                           19
   3.4.1.6  Subject Public Component                                  20



Kent & Linn