DES Encryption Demystified
Understanding the Data Encryption Standard and Its Role in Modern Cryptography
What makes a 56-bit encryption key fundamentally different from a 128-bit one, and why does that difference matter for your data security? This book cuts through the complexity of DES encryption to reveal how one of history's most influential ciphers actually works. You'll explore the elegant mathematics behind the Data Encryption Standard, from its Feistel network architecture to the intricate substitution and permutation operations that transform plaintext into ciphertext. Whether you're a security professional, developer, or curious technologist, you'll gain practical insights into why DES shaped modern cryptography and why understanding its limitations is essential for implementing secure systems today. This guide balances technical depth with accessibility, using clear explanations and real-world context to help you grasp both the mechanics and the implications of this foundational encryption algorithm.
Est. Length
222 pages (10 chapters)
Language
English
Publication date
Dec 6, 2025
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