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Privacy enhancement for Internet electronic mail: Part III - algorithms, modes, and identifiers (RFC1115)

IP.com Disclosure Number: IPCOM000001925D
Original Publication Date: 1989-Aug-01
Included in the Prior Art Database: 2000-Sep-12
Document File: 7 page(s) / 17K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

J. Linn: AUTHOR

Abstract

STATUS OF THIS MEMO

This text was extracted from a ASCII document.
This is the abbreviated version, containing approximately 16% of the total text.

Network Working Group J. Linn

Request for Comments: 1115 DEC

IAB Privacy Task Force

August 1989

Privacy Enhancement for Internet Electronic Mail:

Part III -- Algorithms, Modes, and Identifiers

STATUS OF THIS MEMO

This RFC suggests a draft standard elective protocol for the Internet

community, and requests discussion and suggestions for improvement.

This RFC provides definitions, references, and citations for

algorithms, usage modes, and associated identifiers used in RFC-1113

and RFC-1114 in support of privacy-enhanced electronic mail.

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. I would like to thank the following Privacy Task Force

members and meeting guests for their comments and contributions at

the meetings which led to the preparation of this RFC: David

Balenson, Curt Barker, Jim Bidzos, Matt Bishop, Morrie Gasser, Russ

Housley, Steve Kent (chairman), Dan Nessett, Mike Padlipsky, Rob

Shirey, and Steve Wilbur.

Table of Contents

1. Executive Summary 2

2. Symmetric Encryption Algorithms and Modes 2

2.1. DES Modes 2

2.1.1. DES in ECB mode (DES-ECB) 2

2.1.2. DES in EDE mode (DES-EDE) 2

2.1.3. DES in CBC mode (DES-CBC) 3

3. Asymmetric Encryption Algorithms and Modes 3

3.1. RSA 3

4. Integrity Check Algorithms 3

4.1. Message Authentication Code (MAC) 4

4.2. RSA-MD2 Message Digest Algorithm 4

4.2.1. Discussion 4

4.2.2. Reference Implementation 5

NOTES 7

1. Executive Summary

This RFC provides definitions, references, and citations for algorithms,

usage modes, and associated identifiers used in RFC-1113 and RFC-1114

in support of privacy-enhanced electronic mail in the Internet

community. As some parts of this material are cited by both RFC-1113

and RFC-1114, and as it is anticipated that s...