An Efficient Public Key Trace and Revoke Scheme Secure against Adaptive Chosen Ciphertext Attack 1st edition by Chong Hee Kim, Yong Ho Hwang, Pil Joong Lee ISBN 3540205920 9783540205920

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ISBN 10:       3540205920
ISBN 13: 978-3540205920
Author:     Chong Hee Kim, Yong Ho Hwang, Pil Joong Lee    
 

An Efficient Public Key Trace and Revoke Scheme Secure against Adaptive Chosen Ciphertext Attack 1st Table of contents:

• Introduction

  • 1.1 Motivation and Background
  • 1.2 Problem Statement
  • 1.3 Contributions of the Paper
  • 1.4 Structure of the Paper

• Preliminaries

  • 2.1 Public Key Cryptography and Traceable Schemes
    • 2.1.1 Public Key Encryption
    • 2.1.2 Trace and Revoke Mechanisms
  • 2.2 Adaptive Chosen Ciphertext Attack (CCA)
    • 2.2.1 Definition of CCA Security
    • 2.2.2 Models for CCA
  • 2.3 Background on Cryptographic Assumptions
    • 2.3.1 Computational Assumptions (e.g., Decisional Diffie-Hellman)
    • 2.3.2 Security Models in Public-Key Cryptography

• Design of the Trace and Revoke Scheme

  • 3.1 Overview of the Scheme
  • 3.2 Key Components
    • 3.2.1 Key Generation
    • 3.2.2 Encryption Process
    • 3.2.3 Tracing Process
    • 3.2.4 Revocation Mechanism
  • 3.3 Design Philosophy
    • 3.3.1 Efficiency in Key Management
    • 3.3.2 Security Considerations for Tracing and Revoking
  • 3.4 Trace and Revoke Operations in Practice

• Security Analysis

  • 4.1 Security Against Adaptive Chosen Ciphertext Attacks (CCA)
    • 4.1.1 CCA Security Definition for the Scheme
    • 4.1.2 Proof of Security in the Standard Model
  • 4.2 Traceability and Revocation Security
    • 4.2.1 Unlinkability of Traced Keys
    • 4.2.2 Resistance to Collusion and False Positives in Tracing
  • 4.3 Formal Security Proofs
    • 4.3.1 Security Reduction to Hard Problems
    • 4.3.2 Adversarial Models and Security Guarantees

• Efficiency Considerations

  • 5.1 Computational Complexity
    • 5.1.1 Time Complexity of Key Generation, Encryption, and Decryption
    • 5.1.2 Efficiency of Tracing and Revocation
  • 5.2 Communication Overhead
    • 5.2.1 Transmission Costs for Trace and Revoke Messages
    • 5.2.2 Optimization of Key Management Operations
  • 5.3 Scalability of the Scheme
    • 5.3.1 Scalability in Large-Scale Systems
    • 5.3.2 Performance Analysis and Trade-offs

• Applications of the Scheme

  • 6.1 Secure Key Management in Cloud Computing
    • 6.1.1 Preventing Unauthorized Access with Trace and Revoke
    • 6.1.2 Use Cases in Cloud Storage and Services
  • 6.2 Digital Rights Management (DRM)
    • 6.2.1 Tracing and Revoking Compromised Keys in DRM Systems
    • 6.2.2 Ensuring Integrity and Access Control
  • 6.3 Secure Communication Protocols
    • 6.3.1 Revocation of Compromised Public Keys
    • 6.3.2 Application in Messaging and Secure Channels
  • 6.4 Public Key Infrastructure (PKI)
    • 6.4.1 Enhancing PKI with Tracing and Revocation Capabilities

• Comparison with Existing Systems

  • 7.1 Comparison with Traditional Public Key Encryption Schemes
    • 7.1.1 RSA, ECC, and Other Public Key Schemes
  • 7.2 Comparison with Other Trace and Revoke Schemes
    • 7.2.1 Prior Work in Traceable Public-Key Systems
    • 7.2.2 Advantages and Limitations
  • 7.3 Evaluation of Security vs. Efficiency Trade-offs

• Challenges and Open Problems

  • 8.1 Scalability Challenges in Large Networks
  • 8.2 Dealing with False Positives in Tracing
  • 8.3 Further Optimization of Revocation Mechanism
  • 8.4 Future Research Directions in Trace and Revoke Systems

• Conclusion

  • 9.1 Summary of Contributions
  • 9.2 Implications for Secure Public-Key Cryptography
  • 9.3 Future Work and Potential Improvements

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