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Cryptography Algorithms

You're reading from Cryptography Algorithms Explore New Algorithms in Zero-knowledge, Homomorphic Encryption, and Quantum Cryptography

Product type Paperback

Published in Aug 2024

Publisher Packt

ISBN-13 9781835080030

Length 410 pages

Edition 2nd Edition

Concepts

Cryptography

Author (1):

Massimo Bertaccini

View More author details

Table of Contents (17) Chapters

Preface

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

2. Deep Dive into Cryptography FREE CHAPTER

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

4. Symmetric Encryption Algorithms

5. Asymmetric Encryption Algorithms

6. Hash Functions and Digital Signatures

7. Section 3: New Cryptography Algorithms and Protocols

8. Zero-Knowledge Protocols

9. New Inventions in Cryptography and Logical Attacks

10. Elliptic Curves

11. Homomorphic Encryption and Crypto Search Engine

12. Section 4: Quantum Cryptography

13. Quantum Cryptography

14. Quantum Search Algorithms and Quantum Computing

15. Other Books You May Enjoy

16. Index

The main scenario of a ZKP – the digital cave

Imagine this fantastic scenario: Peggy has to demonstrate to Victor that she is able to open a locked door in the middle of Ali Baba’s cave, a cave with only one entrance/exit that can be reached from two directions, as you can see in the following figure. I suppose you have noticed that I have changed the names of the two actors, Peggy and Victor, from the usual Alice and Bob, just because here a verification is due, and the names Peggy and Victor match better with the first letters of prover (P) and verifier (V).

Figure 5.1 – Ali Baba's cave

Figure 5.1: Ali Baba’s cave

This example involves Ali Baba’s cave revisited in modern times, in which the door in the middle of the cave is locked through a secret electronic combination that’s strong enough to prevent the entry of anyone who doesn’t know the secret combination.

Now, suppose that Peggy must prove to Victor that she knows the combination to unlock the...

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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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