NIST’s first post-quantum standards
2024-08-20
NIST has published the first cryptographic standards for protecting against attacks from quantum computers. Learn what this means for you and your organization....
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Cloudflare now uses post-quantum cryptography to talk to your origin server
2023-09-29
Starting today, you can secure the connection between Cloudflare and your origin server with post-quantum cryptography...
No, AI did not break post-quantum cryptography
2023-03-16
The recent news reports of AI cracking post-quantum cryptography are greatly exaggerated. In this blog, we take a deep dive into the world of side-channel attacks and how AI has been used for more than a decade already to aid it...
Inside Geo Key Manager v2: re-imagining access control for distributed systems
2023-01-27
Using the story of Geo Key Manager v2 as an example, let’s re-imagine access control for distributed systems using a variant of public-key cryptography, called attribute-based encryption....
Defending against future threats: Cloudflare goes post-quantum
2022-10-03
The future of a private and secure Internet is at stake; that is why today we have enabled post-quantum cryptography support for all our customers...
MORE POSTS
October 03, 2022 1:00 PM
Introducing post-quantum Cloudflare Tunnel
Every connection we make post-quantum secure, we remove one opportunity for compromise: that's why we are announcing post-quantum Cloudflare Tunnel to help you secure every connection to our network...
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August 04, 2022 1:00 PM
Experiment with post-quantum cryptography today
The future is post quantum. Enable post-quantum key agreement on your test zone today and get a headstart...
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July 08, 2022 5:54 PM
NIST’s pleasant post-quantum surprise
On Tuesday, the US National Institute of Standards and Technology (NIST) announced which post-quantum cryptography they will standardize. We were already drafting this post with an educated guess on the choice NIST would make....
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June 28, 2022 12:57 PM
Hertzbleed explained
Hertzbleed is a brand-new family of side-channel attacks that monitors changes on CPU frequency...
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March 31, 2022 12:59 PM
Future-proofing SaltStack
This blogpost chronicles the recent CVEs investigation, our findings, and how we are helping secure Salt now and in the Quantum future...
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February 25, 2022 4:03 PM
The post-quantum future: challenges and opportunities
The story and path of post-quantum cryptography is clear. But, what are the future challenges? In this blog post, we explore them...
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February 25, 2022 4:03 PM
Post-quantumify internal services: Logfwrdr, Tunnel, and gokeyless
A big challenge is coming: to change all internal connections at Cloudflare to use post-quantum cryptography. Read how we are tackling this challenge!...
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February 24, 2022 11:12 PM
HPKE: Standardizing public-key encryption (finally!)
HPKE (RFC 9180) was made to be simple, reusable, and future-proof by building upon knowledge from prior PKE schemes and software implementations. This article provides an overview of this new standard, going back to discuss its motivation, design goals, and development process...
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February 24, 2022 5:30 PM
Building Confidence in Cryptographic Protocols
This blogpost refers to the efforts to use formal/verification/implementation for post-quantum algorithms to achieve better assurance for them. It also touches on our Cloudflare efforts on this...
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February 24, 2022 4:23 PM
Using EasyCrypt and Jasmin for post-quantum verification
This blogpost will touch upon how to practically use Jasmin and EasyCrypt to achieve better security guarantees when verifying KEMs...
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February 23, 2022 1:59 PM
Making protocols post-quantum
Post-quantum key exchange and signature algorithms come with different trade-offs that we’re not used to. How do we handle that when updating protocols, and is this an opportunity to revisit the status quo?...
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February 22, 2022 1:59 PM
Deep dive into a post-quantum key encapsulation algorithm
In this blog post, we will look at what Key Encapsulation Mechanisms are and why they matter in a post-quantum world...
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February 22, 2022 1:59 PM
Deep dive into a post-quantum signature scheme
How can one attest to an identity and prove it belongs to one self? And how can one do it in the face of quantum computers? In this blog post, we examine these questions and explain what post-quantum signatures are...
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February 21, 2022 1:59 PM
The post-quantum state: a taxonomy of challenges
At Cloudflare, we strive to help build a better Internet, which means a quantum-protected one. In this post, we look at the challenges for migrating to post-quantum cryptography and what lies ahead using a taxonomy...
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February 21, 2022 1:59 PM
The quantum solace and spectre
What is quantum computing and what advances have been made so far on this front? In this blog post, we will answer this question and see how to protect against quantum adversaries...
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