Cryptography with Python

Cryptography with Python is a meticulously crafted guide aimed at equipping readers with the knowledge and skills necessary to apply cryptography effectively using Python, one of the most accessible and widely used programming languages today. This eBook explores the core principles of cryptography, covering both symmetric and asymmetric encryption techniques, cryptographic hash functions, message authentication codes, and digital signatures. It emphasizes practical applications through hands-on projects, providing readers with the tools to implement secure systems and enhance data protection measures effectively.

Beyond its educational value, this eBook serves as a crucial tool for developers, cybersecurity professionals, and hobbyists keen on safeguarding digital information. Python’s versatility in developing cryptographic solutions is showcased, highlighting its ability to offer simplicity and robust security features. The book underscores the significance of cryptography in the modern digital landscape, where data breaches and cyber threats are increasingly prevalent.

Readers will gain insights into the following chapters:

– Chapter 1: Introduction to Cryptography

Learn about the journey of cryptography from ancient secrets to today’s digital security. Discover how cryptography encrypts information to ensure privacy and integrity in digital communications and transactions. Explore the evolution of cryptographic practices, key algorithms, and the importance of keys.

– Chapter 2: Symmetric Cryptography

Dive into symmetric cryptography, understanding its use of a single key for encryption and decryption. Learn about secure key management, encryption, decryption processes, and practical implementation in Python.

– Chapter 3: Asymmetric Cryptography

Delve into the theory and mathematics behind asymmetric cryptography, and its applications. Implement RSA from scratch using prime numbers, and learn to use Python’s cryptography library for RSA and Elliptic Curve.

– Chapter 4: Cryptographic Hash Functions

Explore cryptographic hash functions, essential for ensuring data security through unique hash outputs. Learn about core characteristics, common hash functions, and practical guidance on using Python’s hashlib module.

– Chapter 5: Message Authentication and Digital Signatures

Understand how to verify message authenticity and security using Message Authentication Codes (MACs) and Hash-Based Message Authentication Codes (HMACs), along with digital signatures. Gain practical Python examples for generating and verifying digital signatures.

– Chapter 6: Practical Cryptography Projects

Engage in hands-on cryptography projects, including implementing and cracking classic ciphers, creating security tools for PDF and ZIP files, building a password manager and file encryption utility, and constructing a hash validator.

– Chapter 7: Best Practices and Security Considerations

Wrap up with essential advice on cryptography, covering best practices, key management, and common pitfalls to avoid. Gain insights into secure key storage and staying informed about evolving cryptography trends.

This eBook is ideal for Python programmers interested in cryptography and/or cybersecurity, Python beginners looking to expand their knowledge, and enthusiasts seeking to apply their skills using the provided tools.

If you don’t have experience with Python, we highly recommend you take an online course, a Python book, or even a quick YouTube playlist before buying the eBook, and you’re good to go!

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