How Open Source Projects Handle Post-Quantum Cryptography Migration

Episode 99 of Open Source with Fexingo tackles one of the most complex infrastructure challenges facing open source: migrating cryptographic algorithms before quantum computers break them. Lucas and Luna dive into the Open Quantum Safe project, focusing on the liboqs library and the ongoing effort to integrate post-quantum cryptography into OpenSSL, the foundation of internet encryption. They walk through the specific NIST-selected algorithms — CRYSTALS-Kyber for key exchange and CRYSTALS-Dilithium for signatures — and discuss why a simple library swap won't work. The episode explores the tension between adding code complexity today vs. the risk of a brittle, rushed migration later. Real maintainer quotes from the OpenSSL mailing list ground the conversation. No buzzwords, just the concrete work of rewriting the most security-critical code in the world.

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