Quantum Resistant Cryptography in Java

Sascha Goldsmith - CTO Quantum Knight (stealth mode startup)

Today's traditional cryptographic algorithms and key exchange technologies will soon fall to quantum adversaries, whether using Grover's algorithm to whittle down symmetric keys or Shor's to overcome their asymmetric equivalents. As the price of storage plummets, vast amounts of encrypted data is already being stored with the knowledge it will be vulnerable within a short time frame. Data at rest has the longest duration and hence the greatest concern. Whether in financial services, health care, industry or government, the time to rethink existing cryptographic architecture is now. This presentation will explain the current landscape, covering existing and upcoming technologies that will undermine current algorithms. We will briefly explore the mathematical underpinnings of current implementations and see how quantum algorithms will shortly render these solutions susceptible to attack. Then, we will move to the draft NIST standards for a post-quantum (or at least far more quantum-resistant) set of proposals for how organizations can evolve and adapt, covering existing finalists for post-quantum implementations (and their recent hacks), as well as using quantum to defend against quantum, particularly in the realm of better entropy. Finally, we will present code examples and interactive demonstrations of the performance and strength of cutting-edge ciphers and how to integrate them into a Java environment to protect data in transit and in storage.

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