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Hands-On Cryptography with Python

Hands-On Cryptography with Python

By : Samuel Bowne
3.8 (4)
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Hands-On Cryptography with Python

Hands-On Cryptography with Python

3.8 (4)
By: Samuel Bowne

Overview of this book

Cryptography is essential for protecting sensitive information, but it is often performed inadequately or incorrectly. Hands-On Cryptography with Python starts by showing you how to encrypt and evaluate your data. The book will then walk you through various data encryption methods,such as obfuscation, hashing, and strong encryption, and will show how you can attack cryptographic systems. You will learn how to create hashes, crack them, and will understand why they are so different from each other. In the concluding chapters, you will use three NIST-recommended systems: the Advanced Encryption Standard (AES), the Secure Hash Algorithm (SHA), and the Rivest-Shamir-Adleman (RSA). By the end of this book, you will be able to deal with common errors in encryption.
Table of Contents (5 chapters)
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Strong encryption with RSA

In this section, we will cover public key encryption, the RSA algorithm, and implementation in Python.

Public key encryption

In public key encryption, we solve this problem: Google, for example, wants to receive confidential data from users, such as passwords and credit card numbers, but they don't have a secure communication channel; what they have is the public internet, and any data being sent might be eavesdropped upon by any number of attackers. Thus, there's no way to deliver a shared secret key, and symmetric encryption algorithms, such as AES, cannot solve this problem. That's where public key encryption comes in.

Google creates a key pair. They keep the private key secret...

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