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Cryptography Studies Open-access companion sites for cryptography books

Companion sites for open-access cryptography books

Each book has its own landing page with downloads, structured chapter notes, and supplementary material.

Available books

Data Encryption at the Intersection of Mathematics and Physics

Comparing Physical Methods of Cryptography

by Ernst Piller & Hubert Schölnast

Technology-neutral comparison of:

Multiple variants of Quantum Key Distribution (QKD)
Radiosignal (wireless-parameter) Key Distribution (RKD)
Memory Key Distribution (secure transport of pre-generated keys) (MKD)

Why a companion site?

Procurement-friendly

Quick access to chapter PDFs, comparison criteria, and structured appendices to support evaluation, tendering, and risk analysis.

Research-friendly

Persistent URLs per chapter and appendix, plus clean citation hooks and downloadable material in a predictable directory structure.