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Scott Francispart of the problem with reading some of the (generally quite good) literature on <a href="https://infosec.exchange/tags/PQC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PQC</a> adoption, standards development, and regulatory change is that much of it is at least a couple of years old now, and there's been so much evolution in just the past 12 months that things from e.g. 2022 are really out of date in places. <a href="https://infosec.exchange/tags/quantum" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#quantum</a>

Project RosenpassOur paper "Agile, post-quantum secure cryptography in avionics" was just released in open access! :D<a href="https://link.springer.com/article/10.1007/s13272-025-00806-5?utm_source=rct_congratemailt&utm_medium=email&utm_campaign=oa_20250512&utm_content=10.1007%2Fs13272-025-00806-5" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://link.springer.com/article/10.1007/s13272-025-00806-5?utm_source=rct_congratemailt&utm_medium=email&utm_campaign=oa_20250512&utm_content=10.1007%2Fs13272-025-00806-5</a><a href="https://chaos.social/tags/PQC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PQC</a> <a href="https://chaos.social/tags/cryptography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#cryptography</a>

Alexander BokovoyIf you're attending the Red Hat Summit this year, I'll be there as well and will be talking about post-quantum cryptography together with <a href="https://fosstodon.org/@simo5" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@simo5</a>. I also will be showing some upstream demos around FreeIPA projects.Never been at the Summit before, so it would be an opportunity to meet and talk.My demos and the talk are on the schedule on Tuesday and Wednesday: <a href="https://events.experiences.redhat.com/widget/redhat/sum25/SessionCatalog2025?search=%22Alexander%20Bokovoy%22&tab.day=20250521" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://events.experiences.redhat.com/widget/redhat/sum25/SessionCatalog2025?search=%22Alexander%20Bokovoy%22&tab.day=20250521</a><a href="https://mastodon.social/tags/redhat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#redhat</a> <a href="https://mastodon.social/tags/freeipa" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#freeipa</a> <a href="https://mastodon.social/tags/pqc" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#pqc</a>

WinbuzzerCisco Dives into Quantum Networking, Debuts Entanglement Chip and Dedicated Lab<a href="https://mastodon.social/tags/Cisco" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Cisco</a> <a href="https://mastodon.social/tags/QuantumComputing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#QuantumComputing</a> <a href="https://mastodon.social/tags/QuantumNetworking" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#QuantumNetworking</a> <a href="https://mastodon.social/tags/Entanglement" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Entanglement</a> <a href="https://mastodon.social/tags/Photonics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Photonics</a> <a href="https://mastodon.social/tags/QuantumTech" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#QuantumTech</a> <a href="https://mastodon.social/tags/QuantumInternet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#QuantumInternet</a> <a href="https://mastodon.social/tags/TechNews" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#TechNews</a> <a href="https://mastodon.social/tags/Innovation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Innovation</a> <a href="https://mastodon.social/tags/UCSB" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UCSB</a> <a href="https://mastodon.social/tags/QuantumLabs" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#QuantumLabs</a> <a href="https://mastodon.social/tags/PQC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PQC</a><a href="https://winbuzzer.com/2025/05/07/cisco-dives-into-quantum-networking-debuts-entanglement-chip-and-dedicated-lab-xcxwbn/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://winbuzzer.com/2025/05/07/cisco-dives-into-quantum-networking-debuts-entanglement-chip-and-dedicated-lab-xcxwbn/</a>

CosicBe🛡️ Join us at the PQCSA Summer School in Albena 🇧🇬 (16–20 June)! Learn the fundamentals of post-quantum crypto, NIST algorithms & real-world integration challenges. 💶 €310 (before 23 May) 🏨 Room block details now online! 🔗 <a href="https://www.esat.kuleuven.be/cosic/events/pqcsa-summer-school/accommodation/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.esat.kuleuven.be/cosic/events/pqcsa-summer-school/accommodation/</a> <a href="https://mastodon.social/tags/PQC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PQC</a> <a href="https://mastodon.social/tags/CyberSecurity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CyberSecurity</a> <a href="https://mastodon.social/tags/PQCSA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PQCSA</a>

Laurent CheylusHow to use Post-Quantum Cryptography on NetBSD using Open Quantum Safe - Blog post by Jan Schaumann <a href="https://mstdn.social/@jschauma" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@jschauma</a> <a href="https://bsd.network/tags/Cryptography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Cryptography</a> <a href="https://bsd.network/tags/PQC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PQC</a> <a href="https://bsd.network/tags/NetBSD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NetBSD</a> <a href="https://www.netmeister.org/blog/netbsd-pqc.html" rel="nofollow noopener noreferrer" target="_blank">https://www.netmeister.org/blog/netbsd-pqc.html</a>

Jan SchaumannTIL: Chrome and Firefox disable X25519MLKEM768 to localhost. As best as I can tell that's not documented anywhere and just cost me debugging cycles.<a href="https://mstdn.social/tags/PQC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PQC</a> <a href="https://mstdn.social/tags/TLS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#TLS</a>

Jan SchaumannI put together some notes on using post-quantum cryptography on NetBSD using Open Quantum Safe as well as using BoringSSL. It's really simple, but instructions aren't always easy to find, so here you go:<a href="https://www.netmeister.org/blog/netbsd-pqc.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.netmeister.org/blog/netbsd-pqc.html</a><a href="https://mstdn.social/tags/NetBSD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NetBSD</a> <a href="https://mstdn.social/tags/pqc" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#pqc</a>

ADMIN magazineOpenSSL 3.5 is available now and will be supported until April 2030 <a href="https://www.admin-magazine.com/News/OpenSSL-3.5-Released?utm_source=mam" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.admin-magazine.com/News/OpenSSL-3.5-Released?utm_source=mam</a> <a href="https://hachyderm.io/tags/OpenSSL" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#OpenSSL</a> <a href="https://hachyderm.io/tags/QuantumComputing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#QuantumComputing</a> <a href="https://hachyderm.io/tags/PQC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PQC</a> <a href="https://hachyderm.io/tags/TLS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#TLS</a> <a href="https://hachyderm.io/tags/QUIC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#QUIC</a>

Jason 🦓 Gerard 🦀 DeRoseThe 2nd pre-release of my zf-zebrachain crate is out!<a href="https://docs.rs/zf-zebrachain/latest/zf_zebrachain/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://docs.rs/zf-zebrachain/latest/zf_zebrachain/</a><a href="https://fosstodon.org/tags/Rust" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Rust</a> <a href="https://fosstodon.org/tags/Cryptography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Cryptography</a> <a href="https://fosstodon.org/tags/PQC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PQC</a>

Laurent CheylusAlors que l’ordinateur quantique est loin de voir le jour, l’informatique dite « postquantique » se déploie même sans lui : tous les professionnels de la cryptographie l’utilisent déjà pour sécuriser les échanges numériques. <a href="https://bsd.network/tags/Cryptographie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Cryptographie</a> <a href="https://bsd.network/tags/PQC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PQC</a> <a href="https://www.lemonde.fr/sciences/article/2025/04/22/le-chiffrement-est-entre-dans-l-ere-postquantique_6598862_1650684.html" rel="nofollow noopener noreferrer" target="_blank">https://www.lemonde.fr/sciences/article/2025/04/22/le-chiffrement-est-entre-dans-l-ere-postquantique_6598862_1650684.html</a>

CosicBe🚨 Save the date! 🚨 Join us in sunny Albena for the PQCSA Summer School, 16–20 June 2025! 🔐 Learn the fundamentals of <a href="https://mastodon.social/tags/PostQuantumCryptography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PostQuantumCryptography</a> 📚 Dive into NIST's PQC standards 🛠️ Explore integration challenges & future research 🌊 Beach + crypto = perfect combo💸 Early bird: €310 (before 23/05) 🎟️ Regular: €360<a href="https://mastodon.social/tags/PQC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PQC</a> <a href="https://mastodon.social/tags/CyberSecurity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CyberSecurity</a> <a href="https://mastodon.social/tags/CryptoSummerSchool" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CryptoSummerSchool</a> <a href="https://mastodon.social/tags/PQCSA2025" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PQCSA2025</a>Registration and info: <a href="https://www.esat.kuleuven.be/cosic/events/pqcsa-summer-school/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.esat.kuleuven.be/cosic/events/pqcsa-summer-school/</a>

Frederic JacobsGreat call to action by Robbie King on finding more useful quantum algorithms. Billions of euros have been spent on research for advancing the development of quantum computers, but what are they useful for?As the post-quantum transition progresses, the main incentive for quantum computers is going away.Robbie claims "The bar for meaningful progress is lower than it might seem, and even incremental advances are valuable.”<a href="https://quantumfrontiers.com/2025/04/20/quantum-algorithms-a-call-to-action/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://quantumfrontiers.com/2025/04/20/quantum-algorithms-a-call-to-action/</a><a href="https://mastodon.social/tags/QuantumComputing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#QuantumComputing</a> <a href="https://mastodon.social/tags/PQC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PQC</a>

Chema Alonso :verified:El lado del mal - Hamming Quasi-Cyclic (HQC-KEM): Nuevo Key-Encapsulation Mechanism en Post-Quantum Cryptography <a href="https://www.elladodelmal.com/2025/04/hamming-quasi-cyclic-hqc-kem-nuevo-key.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.elladodelmal.com/2025/04/hamming-quasi-cyclic-hqc-kem-nuevo-key.html</a> <a href="https://ioc.exchange/tags/PQC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PQC</a> <a href="https://ioc.exchange/tags/Quantum" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quantum</a> <a href="https://ioc.exchange/tags/PostQuantum" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PostQuantum</a> <a href="https://ioc.exchange/tags/HummingQuasiCiclic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HummingQuasiCiclic</a> <a href="https://ioc.exchange/tags/HQC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HQC</a> <a href="https://ioc.exchange/tags/KEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#KEM</a> <a href="https://ioc.exchange/tags/Criptograf%C3%ADa" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Criptografía</a> <a href="https://ioc.exchange/tags/Cifrado" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Cifrado</a>

CosicBeJoin our <a href="https://mastodon.social/tags/PQCSA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PQCSA</a> summer school in Albena, Bulgaria from 16-20 June 2025! The goal of this school is to introduce the fundamentals of <a href="https://mastodon.social/tags/PQC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PQC</a>, its necessity, and the current threat landscape. Info and registration: <a href="https://www.esat.kuleuven.be/cosic/events/pqcsa-summer-school/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.esat.kuleuven.be/cosic/events/pqcsa-summer-school/</a>

Stéphane Bortzmeyer<a href="https://mastodon.gougere.fr/tags/quantique" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#quantique</a> <a href="https://mastodon.gougere.fr/tags/cryptographie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#cryptographie</a> <a href="https://mastodon.gougere.fr/tags/PQC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PQC</a>J'apprends le terme de Q-day, qui désigne le jour où un CRQC (Cryptographically Relevant Quantum Computer, prononcer "cric") cassera tout. Le Q-day, selon les meilleurs experts, est entre deux et cent ans dans le futur.C'est même déjà dans Wikipédia anglophone <a href="https://en.wikipedia.org/wiki/Q-Day" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://en.wikipedia.org/wiki/Q-Day</a>

Harry SintonenAbout a third of the WWW <a href="https://infosec.exchange/tags/TLS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#TLS</a> traffic is using post-quantum encryption, which is protected against quantum factoring attacks such as Shor's algorithm. This has been achieved since Hybrid ML-KEM has been widely adopted by most web browsers and large service providers such as Cloudflare, Google, AWS, etc. There are no absolute figures available, but for example, Cloudflare has nice statistics about PQ encryption use on their services: <a href="https://radar.cloudflare.com/adoption-and-usage#post-quantum-encryption-adoption" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://radar.cloudflare.com/adoption-and-usage#post-quantum-encryption-adoption</a>The best part of this adoption is that users haven't had to do anything, or even know that this has been happening. As it should be.<a href="https://infosec.exchange/tags/transportlayersecurity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#transportlayersecurity</a> <a href="https://infosec.exchange/tags/tls" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#tls</a> <a href="https://infosec.exchange/tags/postquantumcryptography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#postquantumcryptography</a> <a href="https://infosec.exchange/tags/pqc" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#pqc</a>

Harry Sintonen<a href="https://infosec.exchange/tags/Qualys" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Qualys</a> needs to update their TLS client test to support the new signature algorithms and named groups. There are a fair number of "unknown" entries with <a href="https://infosec.exchange/tags/OpenSSL" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#OpenSSL</a> 3.5. <a href="https://clienttest.ssllabs.com:8443/ssltest/viewMyClient.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://clienttest.ssllabs.com:8443/ssltest/viewMyClient.html</a><a href="https://infosec.exchange/tags/pqc" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#pqc</a> <a href="https://infosec.exchange/tags/pqcrypto" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#pqcrypto</a>

Fiona :transbian: :autism:The paper I co-authored (“A Critical Analysis of Deployed Use Cases for Quantum Key Distribution and Comparison with Post-Quantum Cryptography”) was accepted for publication by “EPJ Quantum Technology” today. 😊 <a href="https://eprint.iacr.org/2025/173" rel="nofollow noopener noreferrer" target="_blank">You can find the preprint here</a>, Nick will eventually update it with the final changes. In short: We looked into existing use-cases for <a href="https://blahaj.zone/tags/QuantumKeyDistribution" rel="nofollow noopener noreferrer" target="_blank">#QuantumKeyDistribution</a> and whether they make any sense and did so as a joint team between people with a QKD-background and cryptographers who started out very critical of QKD. (I’m firmly in the latter camp.) My personal summary (though some of my co-authors won’t share it to this extend): <a href="https://blahaj.zone/tags/QKD" rel="nofollow noopener noreferrer" target="_blank">#QKD</a> is bullshit and not useful for practical purposes as it stands. <a href="https://blahaj.zone/tags/crypto" rel="nofollow noopener noreferrer" target="_blank">#crypto</a> <a href="https://blahaj.zone/tags/cryptography" rel="nofollow noopener noreferrer" target="_blank">#cryptography</a> <a href="https://blahaj.zone/tags/cryptology" rel="nofollow noopener noreferrer" target="_blank">#cryptology</a> <a href="https://blahaj.zone/tags/postquantumcrypto" rel="nofollow noopener noreferrer" target="_blank">#postquantumcrypto</a> <a href="https://blahaj.zone/tags/PQC" rel="nofollow noopener noreferrer" target="_blank">#PQC</a>

Jan SchaumannOpenSSH 10.0 just landed, now completely removing DSA signature support (you've been warned, repeatedly :-) and finite-field diffie-hellman key exchange. It also enables mlkem768x25519-sha256 as the default kex! (<a href="https://mstdn.social/tags/pqc" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#pqc</a>)The new version string ("OpenSSH_10.0") is also likely to confuse a bunch of stupid scanners that assume anything starting with "OpenSSH_1" is a 1.x version.<a href="https://www.openssh.com/txt/release-10.0" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.openssh.com/txt/release-10.0</a>

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