Report
On Distributed Communications: XI. Summary Overview
Jan 1, 1964
On Distributed Communications:
IX. Security, Secrecy, and Tamper-Free Considerations
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One in a series of eleven Memoranda detailing the Distributed Adaptive Message Block Network, a proposed digital data communications system based on a distributed network concept. It considers the security aspects of such a system, in which secrecy is of great importance. Present security concepts are based on an implied assumption that any "cleared" person must be trusted and that any "uncleared" person is a potential spy. Further, information is either classified or not. From time to time one wonders if these binary attitudes are really a valid basis on which to predicate a military communications systems. This Memorandum, in which the underlying concepts and resulting safeguards to be built into the network are described, is written on the basis of fully anticipating the existance of spies within our ostensibly secure communications secrecy protection structure; hence, our primary interest is in raising the price of espied information to an excessive level.
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Table of Contents
Preface
Summary
Foreword
Section One
Introduction
Section Two
The Paradox of the Secrecy About Secrecy
Section Three
Some Fundamentals of Cryptography
Section Four
Implications for the Distributed Network System
Section Five
A "Devil's Advocate" Examination
Appendix
Use of a Function of N-Boolean Variables as a Second-Order Modifier for "Next-Key" Generation
Appendix
List of Publications in the Series
This research is sponsored by the United States Air Force under Project RAND-Contract No. AF 49(638)-700 monitored by the Directorate of Development Plans, Deputy Chief of Staff, Research and Development, Hq USAF.
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