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Cryptography Algorithms

You're reading from Cryptography Algorithms A guide to algorithms in blockchain, quantum cryptography, zero-knowledge protocols, and homomorphic encryption

Product type Paperback

Published in Mar 2022

Publisher Packt

ISBN-13 9781789617139

Length 358 pages

Edition 1st Edition

Languages

Python

Tools

Blockchain

Concepts

Blockchain

Author (1):

Massimo Bertaccini

View More author details

Table of Contents (15) Chapters

Preface

1. Section 1: A Brief History and Outline of Cryptography

2. Chapter 1: Deep Diving into Cryptography FREE CHAPTER

3. Section 2: Classical Cryptography (Symmetric and Asymmetric Encryption)

4. Chapter 2: Introduction to Symmetric Encryption

5. Chapter 3: Asymmetric Encryption

6. Chapter 4: Introducing Hash Functions and Digital Signatures

7. Section 3: New Cryptography Algorithms and Protocols

8. Chapter 5: Introduction to Zero-Knowledge Protocols

9. Chapter 6: New Algorithms in Public/Private Key Cryptography

10. Chapter 7: Elliptic Curves

11. Chapter 8: Quantum Cryptography

12. Section 4: Homomorphic Encryption and the Crypto Search Engine

13. Chapter 9: Crypto Search Engine

14. Other Books You May Enjoy

Summary

Now you have a clear understanding of what ZKPs are and what they are used for.

In this chapter, we have analyzed in detail the different kinds of ZKPs, both interactive and non-interactive. Among these protocols, we saw a ZKP that used RSA as an underlying problem, and I proposed an original way to trick it.

Then, we saw the Schnorr protocol implemented in an interactive way for authentication, on which I have proposed an attempt to attack.

Moving on, we explored the zk-SNARKs protocols and spooky moon math, just to look at the complexity of some other problems. Among them, we saw an interesting way to attack a discrete logarithm-based zk-SNARK. We dived deep into Zcash and its protocols to see how to anonymize the transactions of this cryptocurrency.

Later in the chapter, we encountered and analyzed a non-interactive protocol based on the D-H algorithm. Finally, we explored ZK13, a non-interactive protocol, and its use of shared secrets to enable the authentication...

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Authors (1)

Massimo Bertaccini

Massimo Bertaccini

Massimo Bertaccini, PhD, is a researcher, principal scientist, CEO, and co-founder at Cryptolab Inc. He holds several patents in cryptography, quantum cryptography, and AI. His career started as a professor of mathematics and statistics, following which he founded Cryptolab Inc., a start-up in the field of cryptography solutions for cybersecurity. With his team of engineers, he designed and implemented the first search engine in the world that can work with encrypted data. He has obtained several international prizes and awards, such as the Silicon Valley Inventors award, the Seal of Excellence from the EU, and Security Solutions Provider of the Year – USA, 2023. Currently, as a contract professor, he teaches cryptography for a cybersecurity course and has published many articles in the field of cryptography and blockchain. The first edition of Cryptography Algorithms was the tenth bestseller in its category on Amazon for 40 weeks and proclaimed by Book Authority as the best book of 2023 in homomorphic and quantum encryption.

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