RFC 1423 (rfc1423) - Page 1 of 14

Privacy Enhancement for Internet Electronic Mail: Part III: Algorithms, Modes, and Identifiers

Network Working Group                                        D. Balenson
Request for Comments: 1423                                           TIS
Obsoletes: 1115                               IAB IRTF PSRG, IETF PEM WG
                                                           February 1993


           Privacy Enhancement for Internet Electronic Mail:
              Part III: Algorithms, Modes, and Identifiers

Status of This Memo

   This RFC specifies an IAB standards track protocol for the Internet
   community, and requests discussion and suggestions for improvements.
   Please refer to the current edition of the "IAB Official Protocol
   Standards" for the standardization state and status of this protocol.
   Distribution of this memo is unlimited.

Abstract

   This document provides definitions, formats, references, and
   citations for cryptographic algorithms, usage modes, and associated
   identifiers and parameters used in support of Privacy Enhanced Mail
   (PEM) in the Internet community.  It is intended to become one member
   of the set of related PEM RFCs.  This document is organized into four
   primary sections, dealing with message encryption algorithms, message
   integrity check algorithms, symmetric key management algorithms, and
   asymmetric key management algorithms (including both asymmetric
   encryption and asymmetric signature algorithms).

   Some parts of this material are cited by other documents and it is
   anticipated that some of the material herein may be changed, added,
   or replaced without affecting the citing documents.  Therefore,
   algorithm-specific material has been placed into this separate
   document.

   Use of other algorithms and/or modes will require case-by-case study
   to determine applicability and constraints.  The use of additional
   algorithms may be documented first in Prototype or Experimental RFCs.
   As experience is gained, these protocols may be considered for
   incorporation into the standard.  Additional algorithms and modes
   approved for use in PEM in this context will be specified in
   successors to this document.

Acknowledgments

   This specification was initially developed by the Internet Research
   Task Force's Privacy and Security Research Group (IRTF PSRG) and
   subsequently refined based on discussion in the Internet Engineering



Balenson