Privacy Gateway: a privacy preserving proxy built on Internet standards

What this post added

Introduced Privacy Gateway, a privacy-preserving proxy built on Internet standards (Oblivious HTTP - OHTTP) and hybrid public-key cryptography. Privacy Gateway encrypts HTTP requests and responses between a client and an application server, ensuring that neither Cloudflare nor the application server has the full picture of the communication, thereby enhancing end-user privacy. It enables use cases like private telemetry collection, secure healthcare reporting, and privacy-preserving DNS resolution. The post details the architecture (Client, Privacy Gateway, Application Server), data flow, and the concepts of request privacy and client privacy, along with server integration requirements.