Keys and Symmetric Cryptography

Contents: 1. Preface 2. Acknowledgements 3. Scope and Overview of the Book 4. Introduction 5. Study of RNGs and Image Encryption Algorithms 6. Coupled Variable Input-LCG and Clock Divider Based PRBG 7. PRBG Using Coupled-LCG and Multistage LFSR with Clock Gating Network 8. PRNG Using Chaotic Systems 9. Image Encryption Scheme Using Linear PRNG 10. Image Encryption Scheme Using Non-Linear System 11. Conclusion and Future Scope 12. Appendix 13. References 14. Index Preservation of information confidentiality has paved the way for numerous applications of cryptography in domains such as defence, finance, telecardiology, healthcare, and biometric information. In these spheres, information undergoes processing, storage, and robust protection against any disruption. This book serves as a comprehensive guide, elucidating the creation of secret keys, from their mathematical formulation to the implementation of VLSI circuits utilized in cryptography to conceal image or data information. It encompasses historical precedents as well as current advancements. By delving into this text, you will acquire the knowledge necessary to efficiently encrypt data through various PRNGs and encryption algorithms.