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Jeremy Kun

Ideas, decisions, and lessons from the team.

jeremykun.com (opens on the source site)
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Hotword detection in FHE on GPU in 350ms (opens on the source site)

A quick update on our homomorphic encryption compiler HEIR: our partners at Belfort have a hotword detector in FHE that runs in 350ms. More specifically, they launched a live demo at hotword.belfortlabs.com, that has a little game inspired by the NY Times Connections puzzle. Instead of typing in your guess for the word that connects a group of clues, you say it out loud. Your audio is encrypted under FHE, transitted to their server, and a hotword detector runs on it to determine which word you said (still encrypted).

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CKKS — Encryption and Decryption (opens on the source site)

Table of Contents This is part of a tutorial series on the CKKS homomorphic encryption scheme. In the last article, we covered some groundwork about polynomials and the CKKS encoding method. This article covers the encryption and decryption routines. Notably, if you already know about CKKS, we will deviate from a usual treatment for explanatory purposes. In particular, we will first define CKKS encryption, decryption, and basic operations without using the residue number system (RNS).

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