Browser-based Oblivious HTTP demo — RFC 9458. Three parties, split knowledge: relay sees your IP, gateway sees your request, neither sees both. Real HPKE encapsulation over Binary HTTP. Flip the collusion toggle and watch the guarantee evaporate — it was always an organizational assumption, not a mathematical one. No backends. No simulated math.
cryptography privacy hpke crypto-lab rfc9180 ohttp rfc9292 metadata-privacy oblivious-http rfc9458 binary-http
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Updated
Aug 27, 2026 - TypeScript