Practical GPG Essentials: Definitive Reference for Developers and Engineers

"Practical GPG Essentials"

"Practical GPG Essentials" is a definitive guide for cybersecurity professionals, systems engineers, and advanced users seeking deep technical mastery over GnuPG (GPG) and the OpenPGP standard. Beginning with the cryptographic foundations and historical evolution of GPG, the book elucidates the core mathematical algorithms, trust models, and regulatory considerations vital for secure communication and data protection. Readers are provided with a nuanced understanding of the OpenPGP protocol, trust architectures, and the complex interplay between cryptographic theory and real-world application.

The text progresses into comprehensive technical territory, covering installation across platforms, agent architecture, environment hardening, and advanced key management strategies suited for professionals managing sensitive infrastructure. It reveals best practices for key generation, lifecycle management, organizational delegation, revocation processes, and seamless integration of hardware tokens and smartcards. Expert guidance further extends into automating workflows, secret management in CI/CD pipelines, and scripting bulk encryption and signing for large-scale software and enterprise environments.

With dedicated chapters on troubleshooting, compliance, incident response, and forward-looking trends such as post-quantum cryptography, "Practical GPG Essentials" stands as an indispensable, modern reference. It is grounded in real-world deployment scenarios, offering actionable advice for email and file encryption, federated trust models, and secure collaboration. The final sections cast an eye toward the future, discussing usability, innovation, and sustainable open source development—arming practitioners with the insight and tools necessary to safeguard digital assets in an evolving threat landscape.

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E-raamat: 10. juuni 2025