Message authentication and dynamic passwords 1st edition by Beker, Cole ISBN 3540191025 9783540191025

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ISBN 10:       3540191025
ISBN 13: 978-3540191025
Author:         H J Beker, G. M Cole 

The security of transactions flowing across a communications network is of ever increasing importance. In many such circumstances it is important not only to protect the messages from passive interception but also, and often of greater importance, to be able to detect any active attack against messages. An active attack may take the form of an interceptor tampering with the message: altering it, adding information, removing information and so on. While it is almost impossible to prevent an active attack there are many mechanisms to ensure, with a high probability, that such an attack may be detected and hence rendered harmless. The techniques to allow detection and thus audit take many forms of which the most common are normally cryptographically based and depend upon the generation, before transmission of the message, of a check-sum which is then appended to the message. The theory underlying this approach works on the basis that if a would-be fraudster changes any part of the message in any way then the check-sum will no longer be correct and thus the recipient of such message can compute, for himself, the expected check-sum, compare it with that received in the message and if they disagree will know the message has been altered. If on the other hand the expected and received check-sums agree then he knows with a high probability that the message has not been altered. This probability is dependent upon the amount of information within the check-sum (i.e. the longer it is) the lower the probability of an undetected alteration.

Message authentication and dynamic passwords 1st Table of contents:

1. Introduction

• Overview of Message Authentication
• Importance of Message Authentication
• Dynamic Passwords in Security Systems
• Purpose and Scope of the Book

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2. Fundamentals of Cryptographic Security

• Introduction to Cryptography
• Symmetric vs. Asymmetric Cryptography
• Cryptographic Hash Functions
• Digital Signatures
• Public Key Infrastructure (PKI)
• Applications of Cryptography

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3. Message Authentication

• Definition and Goals of Message Authentication
• Message Authentication Code (MAC)
• Hash-Based Message Authentication Code (HMAC)
• Digital Signatures and Authentication
• Authentication Protocols
• Challenges in Message Authentication

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4. Dynamic Password Systems

• Introduction to Dynamic Passwords
• One-Time Passwords (OTP)
• Time-based OTP (TOTP)
• Challenge-Response Authentication
• The Role of Dynamic Passwords in Multi-Factor Authentication
• Strengths and Weaknesses of Dynamic Password Systems

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5. Message Authentication Techniques

• Symmetric Key Algorithms for Message Authentication
• Public Key Techniques for Message Authentication
• Combining Message Authentication with Encryption
• Challenges in Implementing Message Authentication

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6. Design and Implementation of Dynamic Password Systems

• Requirements for Dynamic Password Systems
• Design Principles for OTP and TOTP
• Software and Hardware Solutions for Dynamic Passwords
• Implementing Multi-Factor Authentication with Dynamic Passwords
• Case Studies of Dynamic Password Implementations

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7. Security and Privacy Considerations

• Security Risks in Message Authentication
• Privacy Concerns in Dynamic Password Systems
• Attacks on Authentication Systems
• Mitigating Attacks and Ensuring Security
• Future Directions in Authentication Technologies

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8. Applications and Use Cases

• Secure Messaging and Email Authentication
• Online Banking and E-commerce Systems
• VPN and Remote Access Authentication
• Government and Military Applications
• Social Media and Personal Security

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9. Future Trends in Message Authentication and Dynamic Passwords

• The Evolution of Authentication Technologies
• Biometrics and Authentication
• Blockchain and Authentication Systems
• Authentication in the Internet of Things (IoT)
• Quantum Computing and Cryptography

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10. Conclusion

• Summary of Key Concepts
• The Future of Message Authentication and Dynamic Passwords
• Recommendations for Implementation
• Final Thoughts

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