A Course in Cryptography

A Course in Cryptography
  • eBook:
    A Course in Cryptography
  • Author:
    Heiko Knospe
  • Edition:
  • Categories:
  • Data:
    October 10, 2019
  • ISBN:
  • ISBN-13:
  • Language:
  • Pages:
    323 pages
  • Format:

Book Description
This book provides a compact course in modern cryptography. The mathematical foundations in algebra, number theory and probability are presented with a focus on their cryptographic applications. The text provides rigorous definitions and follows the provable security approach. The most relevant cryptographic schemes are covered, including block ciphers, stream ciphers, hash functions, message authentication codes, public-key encryption, key establishment, digital signatures and elliptic curves. The current developments in post-quantum cryptography are also explored, with separate chapters on quantum computing, lattice-based and code-based cryptosystems. Many examples, figures and exercises, as well as SageMath (Python) computer code, help the reader to understand the concepts and applications of modern cryptography. A special focus is on algebraic structures, which are used in many cryptographic constructions and also in post-quantum systems. The essential mathematics and the modern approach to cryptography and security prepare the reader for more advanced studies. The text requires only a first-year course in mathematics (calculus and linear algebra) and is also accessible to computer scientists and engineers. This book is suitable as a textbook for undergraduate and graduate courses in cryptography as well as for self-study.


Chapter 1. Fundamentals
Chapter 2. Encryption Schemes and Definitions of Security
Chapter 3. Elementary Number Theory
Chapter 4. Algebraic Structures
Chapter 5. Block Ciphers
Chapter 6. Stream Ciphers
Chapter 7. Hash Functions
Chapter 8. Message Authentication Codes
Chapter 9. Public-Key Encryption and the RSA Cryptosystem
Chapter 10. Key Establishment
Chapter 11. Digital Signatures
Chapter 12. Elliptic Curve Cryptography
Chapter 13. Quantum Computing
Chapter 14. Lattice-based Cryptography
Chapter 15. Code-based Cryptography

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