Research - The Cloudflare Blog (Page 2)

April 15, 2022 2:00PM

Breaking down broadband nutrition labels

We commend Congress for including broadband nutrition labels in the Infrastructure Investment and Jobs Act, and the FCC for moving quickly to implement the labels...

March 31, 2022 1:59PM

Future-proofing SaltStack

Research Post-Quantum Cryptography Security

This blogpost chronicles the recent CVEs investigation, our findings, and how we are helping secure Salt now and in the Quantum future...

Lenka Mareková

March 20, 2022 4:58PM

Unlocking QUIC’s proxying potential with MASQUE

Proxying Deep Dive Research QUIC

We continue our technical deep dive into traditional TCP proxying over HTTP...

March 19, 2022 5:01PM

A Primer on Proxies

Deep Dive TCP Proxying Research iCloud Private Relay

A technical dive into traditional TCP proxying over HTTP...

March 08, 2022 8:55PM

Announcing experimental DDR in 1.1.1.1

Research DNS Privacy

The majority of DNS queries on the Internet today are unencrypted. This post describes a new protocol, called Discovery of Designated Resolvers (DDR), that allows clients to upgrade from unencrypted DNS to encrypted DNS when only the IP address of a resolver is known....

February 25, 2022 4:03PM

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...

By

Sofía Celi
, Nick Sullivan

Research , Cryptography , Post-Quantum

February 25, 2022 4:03PM

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!...

By

Research , Cryptography , Post-Quantum

February 24, 2022 11:12PM

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...

By

Christopher Wood

Research , IETF , Cryptography , Standards

February 24, 2022 5:30PM

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...

By

Thom Wiggers
, Jonathan Hoyland

Research , Cryptography , Post-Quantum

February 24, 2022 4:23PM

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...

By

Sofía Celi
, Goutam Tamvada

Research , Cryptography , Post-Quantum

February 23, 2022 1:59PM

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?...

By

Thom Wiggers

Research , Cryptography , Post-Quantum

February 22, 2022 1:59PM

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...

By

Goutam Tamvada
, Sofía Celi

Research , Cryptography , Post-Quantum

February 22, 2022 1:59PM

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...

By

Goutam Tamvada
, Sofía Celi

Research , Cryptography , Post-Quantum

February 21, 2022 1:59PM

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...

By

Sofía Celi

Research , Cryptography , Post-Quantum