ML-KEM vs Diffie-Hellman: The Showdown – IPsec Series, Part 3

116 · Blogs Cisco · July 20, 2026, 2:31 p.m.
developer Post-Quantum Cryptography post-quantum key exchange PQC Diffie-Hellman ML-KEM IPSEC Key Exchange
Summary
This post compares Diffie-Hellman and ML-KEM key exchange methods on various dimensions including size, latency, compute, and security. It proposes a hybrid approach that combines both methods for enhanced security against attacks.
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