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formuchdeliberation<p>Quantum Scientists Have Built a New Math of Cryptography | Quanta&nbsp;Magazine…</p><p>In theory, <a href="https://mastodon.world/tags/quantumphysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantumphysics</span></a> can bypass the hard mathematical problems at the root of modern encryption. A new proof shows how... <a href="https://mastodon.world/tags/cryptography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cryptography</span></a> <a href="https://mastodon.world/tags/quantumcomputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantumcomputing</span></a> Source: Quantum Scientists Have Built a New Math of Cryptography | Quanta Magazine</p><p><a href="https://formuchdeliberation.wordpress.com/2025/08/13/quantum-scientists-have-built-a-new-math-of-cryptography-quanta-magazine/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">formuchdeliberation.wordpress.</span><span class="invisible">com/2025/08/13/quantum-scientists-have-built-a-new-math-of-cryptography-quanta-magazine/</span></a></p>
Ed Suominen<p>Dear <a href="https://hachyderm.io/tags/Signal" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Signal</span></a> devs, I have had it up to fucking here with your constant updates of an app that is 100x bigger than it really needs to be.</p><p>Public key <a href="https://hachyderm.io/tags/cryptography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cryptography</span></a> was figured out over twenty years ago. What do you keep getting wrong about it that requires changing every couple of weeks?</p>
Least Authority GmbH<p>Workshops, meetups, conferences, unconferences — we’d love to hear what’s on your radar in cryptography, security, privacy, zero-knowledge, Web3, and beyond, and where good conversations are happening.</p><p><a href="https://mastodon.social/tags/cryptography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cryptography</span></a> <a href="https://mastodon.social/tags/Privacy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Privacy</span></a> <a href="https://mastodon.social/tags/zeroknowledge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>zeroknowledge</span></a> <a href="https://mastodon.social/tags/security" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>security</span></a></p>
Hacker News<p>📜 Latest Top Story on <a href="https://mastodon.social/tags/HackerNews" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HackerNews</span></a>: OpenSSH Post-Quantum Cryptography<br>🔍 Original Story: <a href="https://www.openssh.com/pq.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">openssh.com/pq.html</span><span class="invisible"></span></a><br>👤 Author: throw0101d<br>⭐ Score: 58<br>💬 Number of Comments: 2<br>🕒 Posted At: 2025-08-11 12:01:58 UTC<br>🔗 URL: <a href="https://news.ycombinator.com/item?id=44863242" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">news.ycombinator.com/item?id=4</span><span class="invisible">4863242</span></a><br><a href="https://mastodon.social/tags/bot" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bot</span></a> <a href="https://mastodon.social/tags/news" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>news</span></a> <a href="https://mastodon.social/tags/hackernewsbot" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>hackernewsbot</span></a> <a href="https://mastodon.social/tags/cryptography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cryptography</span></a> <a href="https://mastodon.social/tags/hackernews" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>hackernews</span></a></p>
Peter N. M. Hansteen<p>Post-Quantum Cryptography Advice Added to OpenSSH Website <a href="https://www.undeadly.org/cgi?action=article;sid=20250811110058" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">undeadly.org/cgi?action=articl</span><span class="invisible">e;sid=20250811110058</span></a> <a href="https://mastodon.social/tags/openbsd" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>openbsd</span></a> <a href="https://mastodon.social/tags/openssh" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>openssh</span></a> <a href="https://mastodon.social/tags/ssh" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ssh</span></a> <a href="https://mastodon.social/tags/cryptography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cryptography</span></a> <a href="https://mastodon.social/tags/postquantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>postquantum</span></a> <a href="https://mastodon.social/tags/postq" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>postq</span></a> <a href="https://mastodon.social/tags/crypto" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>crypto</span></a> <a href="https://mastodon.social/tags/security" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>security</span></a> <a href="https://mastodon.social/tags/libresoftware" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>libresoftware</span></a> <a href="https://mastodon.social/tags/freesoftware" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>freesoftware</span></a> <a href="https://mastodon.social/tags/bsd" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bsd</span></a></p>
Lobsters<p>ChaCha12-BLAKE3: Secure, Simple and Fast authenticated and committing encryption via <span class="h-card" translate="no"><a href="https://messydesk.social/@robey" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>robey</span></a></span> <a href="https://lobste.rs/s/picrzd" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">lobste.rs/s/picrzd</span><span class="invisible"></span></a> <a href="https://mastodon.social/tags/cryptography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cryptography</span></a> <a href="https://mastodon.social/tags/release" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>release</span></a><br><a href="https://kerkour.com/chacha12-blake3" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">kerkour.com/chacha12-blake3</span><span class="invisible"></span></a></p>
Lobsters<p>Improving Geographical Resilience For Distributed Open Source Teams with FREON <a href="https://lobste.rs/s/jy5b80" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">lobste.rs/s/jy5b80</span><span class="invisible"></span></a> <a href="https://mastodon.social/tags/cryptography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cryptography</span></a> <a href="https://mastodon.social/tags/security" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>security</span></a><br><a href="https://soatok.blog/2025/08/09/improving-geographical-resilience-for-distributed-open-source-teams-with-freon/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">soatok.blog/2025/08/09/improvi</span><span class="invisible">ng-geographical-resilience-for-distributed-open-source-teams-with-freon/</span></a></p>
Jan :rust: :ferris:<p><span class="h-card" translate="no"><a href="https://mas.to/@mroach" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>mroach</span></a></span> <span class="h-card" translate="no"><a href="https://twit.social/@MisuseCase" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>MisuseCase</span></a></span> <span class="h-card" translate="no"><a href="https://furry.engineer/@fluffykittycat" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>fluffykittycat</span></a></span> <span class="h-card" translate="no"><a href="https://mastodon.social/@eff" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>eff</span></a></span> </p><p>The thing is: there _are_ better solutions out there to verify age online without compromising <a href="https://floss.social/tags/privacy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>privacy</span></a> (and I'm disappointed by the <a href="https://floss.social/tags/EFF" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EFF</span></a> complaining, but not proposing alternative solutions).</p><p>Sometimes <a href="https://floss.social/tags/Math" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Math</span></a> can help ¯\_(ツ)_/¯</p><p>Opening up ‘Zero-Knowledge Proof’ technology to promote privacy in age assurance (Google, July 2025):</p><p><a href="https://blog.google/technology/safety-security/opening-up-zero-knowledge-proof-technology-to-promote-privacy-in-age-assurance/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">blog.google/technology/safety-</span><span class="invisible">security/opening-up-zero-knowledge-proof-technology-to-promote-privacy-in-age-assurance/</span></a></p><p><a href="https://floss.social/tags/ZeroKnowledgeProof" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ZeroKnowledgeProof</span></a> <a href="https://floss.social/tags/Cryptography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Cryptography</span></a></p>
muelli<p><a href="https://chaos.social/tags/Crypto" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Crypto</span></a> means <a href="https://chaos.social/tags/Cryptography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Cryptography</span></a><br>Beautiful installation at the privacy village at <a href="https://chaos.social/tags/DefCon33" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DefCon33</span></a></p>
Nick<p>Do <a href="https://mathstodon.xyz/tags/Apple" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Apple</span></a> folks out there at least know whether Messages (a.k.a. iMessage) on <a href="https://mathstodon.xyz/tags/iOS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iOS</span></a> uses one of the above mentioned methods to provide end-to-end encryption of the content of push notifications (which in general contain portions of messages)? I know that the messages themselves are end-to-end encrypted, I'm specifically asking about the content of the notifications.</p><p><a href="https://mathstodon.xyz/tags/privacy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>privacy</span></a> <a href="https://mathstodon.xyz/tags/cryptography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cryptography</span></a> <a href="https://mathstodon.xyz/tags/infosec" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>infosec</span></a></p>

"Welcome to the website for the Applied Cryptography course at the American University of Beirut! This page serves as a unified and self-sufficient source of truth on everything concerning your course.
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Course Description: Applied Cryptography explores the core theory of modern cryptography and how to apply these fundamental principles to build and analyze real-world secure systems. We start with foundational concepts—such as Kerckhoff's Principle, computational hardness, and provable security—before moving on to key cryptographic primitives like pseudorandom generators, block ciphers, and hash functions. Building on this solid groundwork, we will survey how these technologies power critical real-world deployments such as TLS, secure messaging protocols (e.g., Signal), and post-quantum cryptography. We will also delve into specialized topics like high-assurance cryptographic implementations, elliptic-curve-based systems, and zero-knowledge proofs to give you a complete understanding of contemporary cryptography's scope and impact. By the end of the semester, you will have gained both a rigorous theoretical perspective and practical hands-on experience, enabling you to evaluate, design, and implement cryptographic solutions."

appliedcryptography.page

appliedcryptography.pageApplied Cryptography — American University of BeirutLearn modern cryptography principles and applications in this comprehensive course covering cryptographic theory, practical implementations, and real-world security systems at the American University of Beirut.