The risk that cryptographically-relevant quantum computers materialize within the next few years is now high enough to be dispositive, unfortunately.
More on whether useful quantum computing is “imminent”
These days, the most common question I get goes something like this: A decade ago, you told people that scalable quantum computing wasn’t imminent. Now, though, you claim it plausibly is immi…
DEF CON 33 - Post Quantum Panic: When Will the Cracking Begin, & Can We Detect it? - K Karagiannis
A Post-Quantum Future for Let's Encrypt
Let’s Encrypt is committed to a post-quantum-safe Web PKI. The path we’re planning to take is Merkle Tree Certificates (“MTCs”), a new approach that adds post-quantum authentication to the web without sacrificing the speed and reliability that have made TLS universal. This post is about these plans and why we believe MTCs are worth pursuing as a key to a post-quantum future. An increasingly urgent problem For much of the last several years, the conversation about post-quantum cryptography has been a conversation about encryption. The reasoning was straightforward: an attacker who records encrypted traffic today might be able to decrypt it years from now once quantum computers can break the underlying math. Authentication, the part of TLS that indicates a server is who it says it is, has been a less urgent problem. A quantum computer needs to forge a signature in real time, not retroactively, so threats to authentication hinge on the existence of a cryptographically relevant quantum computer (CRQC).
Hybrid Constructions: The Post-Quantum Safety Blanket - Dhole Moments
The funny thing about safety blankets is they can double as stage curtains for security theater. Art: CMYKat “When will a cryptography-relevant quantum computer exist?” is a question ma…
Bringing post-quantum cryptography to geographically fenced key management
Cloudflare's new post-quantum GeoKey Manager protects geographically fenced decryption keys from harvest now, decrypt later attacks. Learn how we redesigned our cryptography stack to support strict data sovereignty in a post-quantum world.
Meet Willow, our state-of-the-art quantum chip
Our new quantum chip demonstrates error correction and performance that paves the way to a useful, large-scale quantum computer.
Quantum Leap: Google Claims Its New Quantum Computer Provides Evidence That We Live In A Multiverse
Google's quantum computer, Willow, suggests evidence for a multiverse by leveraging computations across parallel universes.
Quantum dialectics - MR Online
The quantum revolution in physics played out over a period of 22 years, from 1905 to 1927. When it was done, the new theory of quantum mechanics had completely undermined the basis for our understanding of the material world. The familiar and intuitively appealing description of an atom as a tiny solar system, with electrons orbiting the […]
AI helped produce two proofs for the same cryptography problem
Last Thursday Massachusetts Institute of Technology graduate student Seyoon Ragavan sent a new quantum cryptography proof to his friend Yao-Ting Lin, a doctoral student at the University of California...
We Shouldn’t Wait Another Fifteen Years for a Conversation About
With high-profile hacks in the headlines and government officials trying to reopen a long-settled debate about encryption, information security has become a mainstream issue. But we feel that one
In Search of Hardness
Protocol studies, the next crypto cycle, and the next age of the world
Soatok’s Informal Guide to Threat Models - Dhole Moments
After a long day of exhausting conversations about Hybrid Post-Quantum Cryptography, random jackasses trying to play gotcha with endpoint attacks against end-to-end encrypted messaging apps, and me…
Node.js Cryptography Overhaul: Migrating from SHA-256 to Post-Quantum Algorithms | Markaicode
Learn how to upgrade your Node.js applications from SHA-256 to quantum-resistant cryptographic algorithms with practical code examples and migration strategies.
