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Fiona :transbian: :autism: 🔜 WHY2025 DECT: 3591The 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" 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" 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" 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" target="_blank">#crypto</a> <a href="https://blahaj.zone/tags/cryptography" rel="nofollow noopener" target="_blank">#cryptography</a> <a href="https://blahaj.zone/tags/cryptology" rel="nofollow noopener" target="_blank">#cryptology</a> <a href="https://blahaj.zone/tags/postquantumcrypto" rel="nofollow noopener" target="_blank">#postquantumcrypto</a> <a href="https://blahaj.zone/tags/PQC" rel="nofollow noopener" target="_blank">#PQC</a>

CyberagenturSCA4PQC – die <a href="https://social.bund.de/@Cyberagentur" class="u-url mention" rel="nofollow noopener" target="_blank">@Cyberagentur</a> startet ein Forschungsprogramm zur Entwicklung seitenkanalresistenter Post-Quanten-Kryptographie. Ziel: Schutz vor Quantenangriffen und physischen Seitenkanalangriffen. Fokus: Cloud/Desktops, IoT und Smartcards. Forschung und Wirtschaft sind eingeladen. Mehr Informationen: <a href="https://t1p.de/b52np" rel="nofollow noopener" translate="no" target="_blank">https://t1p.de/b52np</a> <a href="https://social.bund.de/tags/PostQuantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#PostQuantum</a> <a href="https://social.bund.de/tags/CyberSecurity" class="mention hashtag" rel="nofollow noopener" target="_blank">#CyberSecurity</a> <a href="https://social.bund.de/tags/SCA4PQC" class="mention hashtag" rel="nofollow noopener" target="_blank">#SCA4PQC</a> <a href="https://social.bund.de/tags/PostQuantumCrypto" class="mention hashtag" rel="nofollow noopener" target="_blank">#PostQuantumCrypto</a> <a href="https://social.bund.de/tags/SideChannel" class="mention hashtag" rel="nofollow noopener" target="_blank">#SideChannel</a> <a href="https://social.bund.de/tags/ITSecurity" class="mention hashtag" rel="nofollow noopener" target="_blank">#ITSecurity</a> <a href="https://social.bund.de/tags/OpenScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#OpenScience</a>

CryspenAre you ready for the post-quantum era?Test your PQC readiness now! Our new website, featuring our formally verified libcrux crypto library, makes it easy to see if your browser is future-proof. Head over to <a href="https://buff.ly/4ak1LB6" rel="nofollow noopener" translate="no" target="_blank">https://buff.ly/4ak1LB6</a> to test your browser and learn more about post-quantum cryptography.<a href="https://ioc.exchange/tags/postquantumcrypto" class="mention hashtag" rel="nofollow noopener" target="_blank">#postquantumcrypto</a> <a href="https://ioc.exchange/tags/cryptography" class="mention hashtag" rel="nofollow noopener" target="_blank">#cryptography</a> <a href="https://ioc.exchange/tags/security" class="mention hashtag" rel="nofollow noopener" target="_blank">#security</a> <a href="https://ioc.exchange/tags/libcrux" class="mention hashtag" rel="nofollow noopener" target="_blank">#libcrux</a> <a href="https://ioc.exchange/tags/mlkem" class="mention hashtag" rel="nofollow noopener" target="_blank">#mlkem</a>

xyhhx 🔻 (plz hire me)huh, that's neat. just discovered <a href="https://ioc.exchange/@cryspen" class="u-url mention" rel="nofollow noopener" target="_blank">@cryspen</a>'s libcrux: <a href="https://github.com/cryspen/libcrux" rel="nofollow noopener" translate="no" target="_blank">https://github.com/cryspen/libcrux</a>i found it while looking for implementations of ml-kem<a href="https://nso.group/tags/rust" class="mention hashtag" rel="nofollow noopener" target="_blank">#rust</a> <a href="https://nso.group/tags/postQuantumCrypto" class="mention hashtag" rel="nofollow noopener" target="_blank">#postQuantumCrypto</a> <a href="https://nso.group/tags/cryptography" class="mention hashtag" rel="nofollow noopener" target="_blank">#cryptography</a> <a href="https://nso.group/tags/pqc" class="mention hashtag" rel="nofollow noopener" target="_blank">#pqc</a> <a href="https://nso.group/tags/mlkem" class="mention hashtag" rel="nofollow noopener" target="_blank">#mlkem</a> <a href="https://nso.group/tags/kyber" class="mention hashtag" rel="nofollow noopener" target="_blank">#kyber</a>

OmkharI am really proud to have been part of the cryptography working group at <a href="https://bird.makeup/users/fsisac" class="u-url mention" rel="nofollow noopener" target="_blank">@fsisac</a> and to have contributed to a paper on cryptographic agility and post quantum cryptography.More here: <a href="https://www.fsisac.com/newsroom/fsisac-guidance-urges-financial-firms-to-implement-crypto-agility-as-a-key-defense-against-quantum-computing-threats" rel="nofollow noopener" translate="no" target="_blank">https://www.fsisac.com/newsroom/fsisac-guidance-urges-financial-firms-to-implement-crypto-agility-as-a-key-defense-against-quantum-computing-threats</a><a href="https://infosec.exchange/tags/cryptography" class="mention hashtag" rel="nofollow noopener" target="_blank">#cryptography</a> <a href="https://infosec.exchange/tags/postquantumcrypto" class="mention hashtag" rel="nofollow noopener" target="_blank">#postquantumcrypto</a> <a href="https://infosec.exchange/tags/cryptographicagility" class="mention hashtag" rel="nofollow noopener" target="_blank">#cryptographicagility</a>

🏳️‍⚧️ Fiona :flag_lesbian:One of the most infuriating things about <a href="https://tech.lgbt/tags/QuantumComputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#QuantumComputing</a> related stuff is that <a href="https://tech.lgbt/tags/QuantumComputers" class="mention hashtag" rel="nofollow noopener" target="_blank">#QuantumComputers</a> being theoretically able to break factoring and DLog (aka: most asymmetric crypto in current use) using Shor’s algorithm is used as a selling point for <a href="https://tech.lgbt/tags/QuantumCryptography" class="mention hashtag" rel="nofollow noopener" target="_blank">#QuantumCryptography</a> (QC) or <a href="https://tech.lgbt/tags/QuantumKeyDistribution" class="mention hashtag" rel="nofollow noopener" target="_blank">#QuantumKeyDistribution</a> (<a href="https://tech.lgbt/tags/QKD" class="mention hashtag" rel="nofollow noopener" target="_blank">#QKD</a>).The two topics really have nothing to do with each other, the solution for dealing with the broken schemes is to replace them with non-broken ones.If we want QKD, there has to be a DIFFERENT motivation for it, that has nothing to do with Shor’s algorithm. Somehow we have allowed the presentation to become “after classical crypto choose <a href="https://tech.lgbt/tags/PostQuantumCrypto" class="mention hashtag" rel="nofollow noopener" target="_blank">#PostQuantumCrypto</a> (<a href="https://tech.lgbt/tags/PQC" class="mention hashtag" rel="nofollow noopener" target="_blank">#PQC</a>) or QKD”, instead of “keep using classical crypto that is secure against known attacks or switch to QKD”.In line with that we should also increasingly move to stop talking about PQC, and just talk about secure <a href="https://tech.lgbt/tags/cryptography" class="mention hashtag" rel="nofollow noopener" target="_blank">#cryptography</a>, because that is really all it is.<a href="https://tech.lgbt/tags/crypto" class="mention hashtag" rel="nofollow noopener" target="_blank">#crypto</a> <a href="https://tech.lgbt/tags/itsecurity" class="mention hashtag" rel="nofollow noopener" target="_blank">#itsecurity</a>

Timo OllechDas <a href="https://social.anoxinon.de/tags/NIST" class="mention hashtag" rel="nofollow noopener" target="_blank">#NIST</a> hat die ersten <a href="https://social.anoxinon.de/tags/PostQuantumCrypto" class="mention hashtag" rel="nofollow noopener" target="_blank">#PostQuantumCrypto</a>-Standards veröffentlicht:<a href="https://www.nist.gov/news-events/news/2024/08/nist-releases-first-3-finalized-post-quantum-encryption-standards" rel="nofollow noopener" translate="no" target="_blank">https://www.nist.gov/news-events/news/2024/08/nist-releases-first-3-finalized-post-quantum-encryption-standards</a>

Stefan GastI had the pleasure to contribute to the <a href="https://infosec.exchange/tags/USENIX2024" class="mention hashtag" rel="nofollow noopener" target="_blank">#USENIX2024</a> paper "Divide and Surrender", recovering the full secret key from the reference implementation of the HQC Key Encapsulation Mechanism, exploiting a timing side channel arising from non-constant-time modulo operations. Thanks to Robin Leander Schröder and Qian Guo for this opportunity and congratulations to Robin Leander Schröder for getting his first paper accepted at USENIX Security!You can read the full paper here: <a href="https://stefangast.eu/papers/divide_and_surrender.pdf" rel="nofollow noopener" translate="no" target="_blank">https://stefangast.eu/papers/divide_and_surrender.pdf</a><a href="https://infosec.exchange/tags/divideandsurrender" class="mention hashtag" rel="nofollow noopener" target="_blank">#divideandsurrender</a> <a href="https://infosec.exchange/tags/hqc" class="mention hashtag" rel="nofollow noopener" target="_blank">#hqc</a> <a href="https://infosec.exchange/tags/sidechannel" class="mention hashtag" rel="nofollow noopener" target="_blank">#sidechannel</a> <a href="https://infosec.exchange/tags/postquantumcrypto" class="mention hashtag" rel="nofollow noopener" target="_blank">#postquantumcrypto</a> <a href="https://infosec.exchange/tags/usenixsecurity" class="mention hashtag" rel="nofollow noopener" target="_blank">#usenixsecurity</a>

nemo™ 🇺🇦Exciting progress on Post-Quantum Cryptography in OpenPGP! 🔐🔓 Check out the latest draft: <a href="https://www.ietf.org/archive/id/draft-wussler-openpgp-pqc-01.html" rel="nofollow noopener" translate="no" target="_blank">https://www.ietf.org/archive/id/draft-wussler-openpgp-pqc-01.html</a> <a href="https://mas.to/tags/PostQuantumCrypto" class="mention hashtag" rel="nofollow noopener" target="_blank">#PostQuantumCrypto</a> <a href="https://mas.to/tags/FutureProofSecurity" class="mention hashtag" rel="nofollow noopener" target="_blank">#FutureProofSecurity</a> 🚀 <a href="https://mas.to/tags/privacy" class="mention hashtag" rel="nofollow noopener" target="_blank">#privacy</a> <a href="https://mas.to/tags/security" class="mention hashtag" rel="nofollow noopener" target="_blank">#security</a>

Omkhar“This novel approach holds promise in providing robust defense against potential adversaries aiming to intercept and decrypt encrypted traffic in the future.”I spoke to TechTarget about Apple’s PQ3 protocol; read more here: <a href="https://www.techtarget.com/searchsecurity/news/366570658/Apple-unveils-PQ3-post-quantum-encryption-for-iMessage" rel="nofollow noopener" translate="no" target="_blank">https://www.techtarget.com/searchsecurity/news/366570658/Apple-unveils-PQ3-post-quantum-encryption-for-iMessage</a><a href="https://infosec.exchange/tags/postquantumcrypto" class="mention hashtag" rel="nofollow noopener" target="_blank">#postquantumcrypto</a> <a href="https://infosec.exchange/tags/opensourcesoftware" class="mention hashtag" rel="nofollow noopener" target="_blank">#opensourcesoftware</a> <a href="https://infosec.exchange/tags/cybersecurity" class="mention hashtag" rel="nofollow noopener" target="_blank">#cybersecurity</a>

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