Practical Cryptography in Python: Learning Correct Cryptography by Example

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Develop a greater intuition for the proper use of cryptography. This book teaches the basics of writing cryptographic algorithms in Python, demystifies cryptographic internals, and demonstrates common ways cryptography is used incorrectly.

Cryptography is the lifeblood of the digital world’s security infrastructure. From governments around the world to the average consumer, most communications are protected in some form or another by cryptography. These days, even Google searches are encrypted. Despite its ubiquity, cryptography is easy to misconfigure, misuse, and misunderstand.

Developers building cryptographic operations into their applications are not typically experts in the subject, and may not fully grasp the implication of different algorithms, modes, and other parameters. The concepts in this book are largely taught by example, including incorrect uses of cryptography and how “bad” cryptography can be broken. By digging into the guts of cryptography, you can experience what works, what doesn’t, and why.

What You’ll Learn

Understand where cryptography is used, why, and how it gets misused
Know what secure hashing is used for and its basic propertiesGet up to speed on algorithms and modes for block ciphers such as AES, and see how bad configurations breakUse message integrity and/or digital signatures to protect messagesUtilize modern symmetric ciphers such as AES-GCM and CHACHAPractice the basics of public key cryptography, including ECDSA signaturesDiscover how RSA encryption can be broken if insecure padding is usedEmploy TLS connections for secure communicationsFind out how certificates work and modern improvements such as certificate pinning and certificate transparency (CT) logs

Who This Book Is For

IT administrators and software developers familiar with Python. Although readers may have some knowledge of cryptography, the book assumes that the reader is starting from scratch.

Publisher ‏ : ‎ Apress; 1st ed. edition (September 27, 2019)
Language ‏ : ‎ English
Paperback ‏ : ‎ 386 pages
ISBN-10 ‏ : ‎ 1484248996
ISBN-13 ‏ : ‎ 978-1484248997
Item Weight ‏ : ‎ 1.48 pounds
Dimensions ‏ : ‎ 7.01 x 0.88 x 10 inches

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