Simon Tatham • 1/2/2025

Post-quantum public-key encryption: what’s it all about?

This technical article provides an introduction to post-quantum public-key encryption, explaining the need to move beyond RSA and Diffie-Hellman due to quantum computing threats. It breaks down a toy cryptosystem to illustrate core concepts, compares it to real proposed systems, and aims to demystify the field for those with a basic understanding of classical cryptography.

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#cryptography #Quantum Computing #Post Quantum Cryptography