David,
thank you for your kind suggestion. Do you think, that the following
citation list is adequate?
Greetings --- Ruediger
********** PEM Citation 4 Sep 92:
*
* PEM: Privacy Enhancement for Internet Electronic Mail.
* 1989 - 1991: IAB Privacy Task Force.
* Since 1991: Privacy and Security Research Group (PSRG) of the
* Internet Research Task Force (IRTF) and
* PEM Working Group of the Internet Engineering Task Force (IETF).
*
**********
John Linn:
Privacy Enhancement for Internet Electronic Mail,
Part I: Message Encryption and Authentication Procedures.
Internet Draft, Digital Equipment Corporation, 23 July 1992, 52 pages.
Work in progress. Will obsolete RFC 1113.
Stephen Kent:
Privacy Enhancement for Internet Electronic Mail,
Part II: Certificate-Based Key Management.
Internet Draft, BBN Communications, 6 August 1992, 36 pages.
Work in progress. Will obsolete RFC 1114.
David Balenson:
Privacy Enhancement for Internet Electronic Mail,
Part III: Algorithms, Modes, and Identifiers.
Internet Draft, Trusted Information Systems, 3 September 1992, 12 pages.
Work in progress. Will obsolete RFC 1115.
Burt Kaliski:
Privacy Enhancement for Internet Electronic Mail,
Part IV: Key Certification and Related Services.
Internet Draft, RSA Laboratories, 1 September 1992, 7 pages.
Work in progress, currently referred to as [FORMS-ID].
Burt Kaliski:
The MD2 Message-Digest Algorithm.
RFC 1319 [MD2], RSA Laboratories, April 1992, 17 pages.
(Updates RFC 1115.)
Ronald Rivest:
The MD4 Message-Digest Algorithm.
RFC 1320 [MD4], RSA Data Security Inc., April 1992, 20 pages.
(Obsoletes RFC 1186.)
Ronald. Rivest:
The MD5 Message-Digest Algorithm.
RFC 1321 [MD5], RSA Data Security Inc., April 1992, 21 pages.