<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>E2ee on Momo Engineering Journal</title><link>/tags/e2ee/</link><description>Recent content in E2ee on Momo Engineering Journal</description><image><title>Momo Engineering Journal</title><url>/images/og-image.png</url><link>/images/og-image.png</link></image><generator>Hugo</generator><language>en-us</language><lastBuildDate>Fri, 09 Oct 2026 20:36:52 -0600</lastBuildDate><atom:link href="/tags/e2ee/index.xml" rel="self" type="application/rss+xml"/><item><title>Confidential Dedup via Threshold OPRF — and Auth Lockout</title><link>/posts/014-confidential-dedup-oprf/</link><pubDate>Fri, 14 Aug 2026 00:26:56 +0000</pubDate><guid>/posts/014-confidential-dedup-oprf/</guid><description>Threshold-OPRF lets E2EE cas blobs dedup without revealing content hashes — plus adaptive failed-auth backoff and lockout.</description></item><item><title>Client-Held E2EE: Envelope Encryption Real</title><link>/posts/013-e2ee-envelope-encryption/</link><pubDate>Tue, 11 Aug 2026 16:36:53 +0000</pubDate><guid>/posts/013-e2ee-envelope-encryption/</guid><description>Envelope encryption with a client-held key: the server stores ciphertext and can&amp;rsquo;t read it — across S3 and native transports.</description></item></channel></rss>