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Introduction to KeyKOS Concepts

(KL004-07) Page i

Table of Contents

Introduction

Chapter 1. Introduction to KeyKOS

• General Description
• Design Objectives
• Problems of Existing Architectures
  • Layered Computing Systems
  • Protection Between Layers, But Not Within
  • Authority
  • Policy
  • Summary

Chapter 2. KeyKOS Architecture

• Objects
• Keys
• The KeyKOS Trusted Computer Base
• Unique Features of KeyKOS
• Compatibility with Existing Systems

Chapter 3. Application Development in KeyKOS

• The Shape of A Domain
• Establishing Connections Between Domains
• How Objects Work Together

Chapter 4. Security in KeyKOS

• The Trojan Horse Problem
• Protecting Proprietary Programs
• Protected Entry Points
• Mutually Suspicious Users
• Trusting Programs and Operators
• Auditors
• Military Multi-level Security Problem (1)
• Military Multi-level Secure Problem (2)
• Denial of Resources

Chapter 5. Productivity in KeyKOS

• Debugging
• Preventing Unintentional Interactions
• Reliability Amidst Change
• Enforcing Structured Programming Technologies
• Distributed Processing

Chapter 6. Performance in KeyKOS

• High Performance On-line Transaction Processing
  • Efficient Management of Disk I/Os
  • Short Instruction Paths
• Overview of KeyKOS Performance Features