: Discusses the security behind Wi-Fi, payment cards, Bitcoin, and WhatsApp, as well as the societal impacts of mass surveillance and ransomware.

: The 3rd Edition (published July 2025) includes new material on post-quantum cryptography, 5G security, and updated privacy tools. Table of Contents (3rd Edition) Go to product viewer dialog for this item.

: Intended for beginners and practitioners who need to understand cryptographic design and usage without diving into complex mathematical formulas.

: Covers symmetric and public-key encryption, digital signatures, data integrity, and key management.

Everyday Cryptography: Fundamental Principles and Applications