rebuilding site Thu Apr 3 19:39:47 CEST 2025

Author: franziskuskiefer

images/posts/crossroads.jpeg

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-<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Cryspen</title><link>https://cryspen.com/</link><description>Recent content on Cryspen</description><generator>Hugo</generator><language>en-us</language><lastBuildDate>Thu, 27 Mar 2025 00:00:00 +0000</lastBuildDate><atom:link href="https://cryspen.com/index.xml" rel="self" type="application/rss+xml"/><item><title>Cryspen @ RWC 2025</title><link>https://cryspen.com/post/rwc-2025/</link><pubDate>Thu, 27 Mar 2025 00:00:00 +0000</pubDate><guid>https://cryspen.com/post/rwc-2025/</guid><description>&lt;p>&lt;a href="https://rwc.iacr.org/2025/">Real World Crypto 2025&lt;/a> buzzed with energy as
+<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Cryspen</title><link>https://cryspen.com/</link><description>Recent content on Cryspen</description><generator>Hugo</generator><language>en-us</language><lastBuildDate>Thu, 03 Apr 2025 00:00:00 +0000</lastBuildDate><atom:link href="https://cryspen.com/index.xml" rel="self" type="application/rss+xml"/><item><title>MLS Group State Forks: What, Why, How</title><link>https://cryspen.com/post/mls-fork-resolution/</link><pubDate>Thu, 03 Apr 2025 00:00:00 +0000</pubDate><guid>https://cryspen.com/post/mls-fork-resolution/</guid><description>&lt;p>Group state forks are faulty states that MLS groups can end up in. This article looks at what they are exactly, how that happens and how to resolve them. We also look at a new OpenMLS feature that makes fork resolutions a little easier.&lt;/p></description></item><item><title>Cryspen @ RWC 2025</title><link>https://cryspen.com/post/rwc-2025/</link><pubDate>Thu, 27 Mar 2025 00:00:00 +0000</pubDate><guid>https://cryspen.com/post/rwc-2025/</guid><description>&lt;p>&lt;a href="https://rwc.iacr.org/2025/">Real World Crypto 2025&lt;/a> buzzed with energy as
 the cutting edge of cryptography was presented to and discussed among an audience of leading
 researchers and developers from academia and industry. Today, on the second day of the conference,
 Cryspen teamed up with Google to showcase practical, scalable, verified solutions

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 practical and secure.</p><p>OpenMLS is the most widely used implementation of MLS in Rust.
 It has a safe and easy-to-use interface that hides the complexity of the underlying cryptographic operations.</p><br><p><a class="btn btn-outline-primary px-4" href=https://github.com/openmls/openmls>GitHub</a>
 <a class="btn btn-outline-primary px-4" href=https://openmls.tech/>Website</a>
-<a class="btn btn-outline-primary px-4" href=mailto:[email protected]>Support</a></p></div></div></div><div class="row pb-5"></div></div></section><section class="section blog-list py-5 bg-red-light"><div class=container><div class="row justify-content-center pb-5"><div class="col-12 col-xl-6"><h2 class="fs-1 fw-bold text-center text-primary pb-3">Related Posts</h2></div></div><div class="row g-4 pb-5"><div class="col-12 col-md-6 col-lg-4"><a class="card text-decoration-none h-100" href=https://cryspen.com/post/pq-openmls/><div class=aspect-ratio-62-5><img src=https://cryspen.com/images/posts/PQOpenMLS.png alt=/images/posts/PQOpenMLS.png width=1000 height=1000></div><div class=card-body><h5 class="card-title fw-semibold">Post-Quantum OpenMLS</h5><p class="card-text text-black-61">OpenMLS now offers security against harvest-now-decrypt-later (HNDL) quantum adversaries.
+<a class="btn btn-outline-primary px-4" href=mailto:[email protected]>Support</a></p></div></div></div><div class="row pb-5"></div></div></section><section class="section blog-list py-5 bg-red-light"><div class=container><div class="row justify-content-center pb-5"><div class="col-12 col-xl-6"><h2 class="fs-1 fw-bold text-center text-primary pb-3">Related Posts</h2></div></div><div class="row g-4 pb-5"><div class="col-12 col-md-6 col-lg-4"><a class="card text-decoration-none h-100" href=https://cryspen.com/post/mls-fork-resolution/><div class=aspect-ratio-62-5><img src=https://cryspen.com/images/posts/crossroads.jpeg alt=/images/posts/crossroads.jpeg width=3567 height=2326></div><div class=card-body><h5 class="card-title fw-semibold">MLS Group State Forks: What, Why, How</h5><p class="card-text text-black-61">Group state forks are faulty states that MLS groups can end up in. This article looks at what they are exactly, how that happens and how to resolve them. We also look at a new OpenMLS feature that …</p></div></a></div><div class="col-12 col-md-6 col-lg-4"><a class="card text-decoration-none h-100" href=https://cryspen.com/post/pq-openmls/><div class=aspect-ratio-62-5><img src=https://cryspen.com/images/posts/PQOpenMLS.png alt=/images/posts/PQOpenMLS.png width=1000 height=1000></div><div class=card-body><h5 class="card-title fw-semibold">Post-Quantum OpenMLS</h5><p class="card-text text-black-61">OpenMLS now offers security against harvest-now-decrypt-later (HNDL) quantum adversaries.
 In #1546 we merged support for the X-Wing KEM draft, which is an early draft for securely combining …</p></div></a></div><div class="col-12 col-md-6 col-lg-4"><a class="card text-decoration-none h-100" href=https://cryspen.com/post/pq-mls/><div class=aspect-ratio-62-5><img src=https://cryspen.com/images/posts/mls-array-tree.png alt=/images/posts/mls-array-tree.png width=4600 height=3000></div><div class=card-body><h5 class="card-title fw-semibold">Post-Quantum Group Messaging</h5><p class="card-text text-black-61">With multiple post-quantum cryptographic algorithms (ML-KEM, ML-DSA) nearing standardization, enterprises, research groups, and standards bodies have started investigating what post-quantum secure …</p></div></a></div><div class="col-12 col-md-6 col-lg-4"><a class="card text-decoration-none h-100" href=https://cryspen.com/post/internet-defense-prize-2023/><div class=aspect-ratio-62-5><img src=https://cryspen.com/images/posts/usenix-award.jpeg alt=/images/posts/usenix-award.jpeg width=2041 height=1364></div><div class=card-body><h5 class="card-title fw-semibold">Internet Defense Prize 2023</h5><p class="card-text text-black-61">At the 32nd Usenix Security Symposium in Anaheim CA, a paper on the Messaging Layer Security Protocol, co-authored by our founders Jonathan Protzenko and Karthikeyan Bhargavan, was awarded both the …</p></div></a></div><div class="col-12 col-md-6 col-lg-4"><a class="card text-decoration-none h-100" href=https://cryspen.com/post/mls-introduction/><div class=aspect-ratio-62-5><img src=https://cryspen.com/images/posts/mls-logo.png alt=/images/posts/mls-logo.png width=500 height=500></div><div class=card-body><h5 class="card-title fw-semibold">Three (thousand) may keep a secret</h5><p class="card-text text-black-61">“Three may keep a secret, if two of them are dead.” - Benjamin Franklin (1735)
 However skeptical we may be of our human ability to keep secrets, we still routinely participate in group conversations …</p></div></a></div><div class="col-12 col-md-6 col-lg-4"><a class="card text-decoration-none h-100" href=https://cryspen.com/post/mls-rfc-announcement/><div class=aspect-ratio-62-5><img src=https://cryspen.com/images/posts/cybertree.jpeg alt=/images/posts/cybertree.jpeg width=3000 height=2000></div><div class=card-body><h5 class="card-title fw-semibold">MLS - RFC 9420</h5><p class="card-text text-black-61">✨ We are thrilled to announce the release of the MLS specification as RFC 9420.
 RFC 9420 is a comprehensive description of the first standardised, efficient, asynchronous, key establishment protocol …</p></div></a></div><div class="col-12 col-md-6 col-lg-4"><a class="card text-decoration-none h-100" href=https://cryspen.com/post/hello-openmls/><div class=aspect-ratio-62-5><img src=https://cryspen.com/images/posts/openmls.jpeg alt=/images/posts/openmls.jpeg width=1920 height=1440></div><div class=card-body><h5 class="card-title fw-semibold">OpenMLS</h5><p class="card-text text-black-61">We have joined forces with our friends from Phoenix R&amp;D to improve OpenMLS.

index.xml

@@ -1,4 +1,4 @@
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+<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Cryspen</title><link>https://cryspen.com/post/</link><description>Recent content on Cryspen</description><generator>Hugo</generator><language>en-us</language><lastBuildDate>Thu, 03 Apr 2025 00:00:00 +0000</lastBuildDate><atom:link href="https://cryspen.com/post/index.xml" rel="self" type="application/rss+xml"/><item><title>MLS Group State Forks: What, Why, How</title><link>https://cryspen.com/post/mls-fork-resolution/</link><pubDate>Thu, 03 Apr 2025 00:00:00 +0000</pubDate><guid>https://cryspen.com/post/mls-fork-resolution/</guid><description>&lt;p>Group state forks are faulty states that MLS groups can end up in. This article looks at what they are exactly, how that happens and how to resolve them. We also look at a new OpenMLS feature that makes fork resolutions a little easier.&lt;/p></description></item><item><title>Cryspen @ RWC 2025</title><link>https://cryspen.com/post/rwc-2025/</link><pubDate>Thu, 27 Mar 2025 00:00:00 +0000</pubDate><guid>https://cryspen.com/post/rwc-2025/</guid><description>&lt;p>&lt;a href="https://rwc.iacr.org/2025/">Real World Crypto 2025&lt;/a> buzzed with energy as
 the cutting edge of cryptography was presented to and discussed among an audience of leading
 researchers and developers from academia and industry. Today, on the second day of the conference,
 Cryspen teamed up with Google to showcase practical, scalable, verified solutions