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Browser-based demo of two-server Information-Theoretic Private Information Retrieval (IT-PIR) — applied to library catalog privacy. Because patrons deserve mathematical guarantees, not just policy promises.
Browser-based 2-server XOR Private Information Retrieval (Chor et al. 1995) — a patron retrieves any book from a 16-item catalog without the server learning which one was requested. Real IT-PIR arithmetic, step-by-step query walkthrough, and privacy audit panel. Part of crypto-lab.