publication 2025 Rhizomes and the Roots of Efficiency — Improving Prio Armando Faz Hernandez cryptographyprivacy
publication 2025 Mastic: Private Weighted Heavy-Hitters and Attribute-Based Metrics Dimitris Mouris, Christopher Patton, Hannah Davis, Nektarios Georgios Tsoutsos cryptographyprivacy
blog 2025 Anonymous credentials: rate-limiting bots and agents without compromising privacy privacycryptography
blog 2025 Keeping the Internet fast and secure: introducing Merkle Tree Certificates cryptographyprivacy
blog 2025 Message Signatures are now part of our Verified Bots Program, simplifying bot authentication cryptographybots
blog 2025 Orange Me2eets: We made an end-to-end encrypted video calling app and it was easy encryptionprivacy
blog 2025 Prepping for post-quantum: a beginner’s guide to lattice cryptography cryptographypost-quantum
blog 2025 Conventional cryptography is under threat. Upgrade to post-quantum cryptography with Cloudflare Zero Trust post-quantumzero-trust
publication 2024 RFC 9578: Privacy Pass Issuance Protocols Alex Davidson, Steven Valdez, Christopher Wood cryptographyprotocols
publication 2024 RFC 9576: The Privacy Pass Architecture Alex Davidson, Jana Iyengar, Christopher Wood privacycryptographyprotocols
publication 2024 Private SCT Auditing, Revisted lena-heimberger, Christopher Patton, Bas Westerbaan security
publication 2024 RFC 9577: The Privacy Pass HTTP Authentication Scheme Tommy Pauly, Steven Valdez, Christopher Wood privacycryptographyprotocols
blog 2024 A look at the latest post-quantum signature standardization candidates post-quantumcryptography
blog 2024 Cloudflare helps verify the security of end-to-end encrypted messages by auditing key transparency for WhatsApp cryptographytransparency
publication 2023 RFC 9497: Oblivious Pseudorandom Functions (OPRFs) Using Prime-Order Groups Alex Davidson, Armando Faz Hernandez, Nick Sullivan, Christopher Wood cryptographyprotocols
publication 2023 Verifiable Distributed Aggregation Functions Hannah Davis, Christopher Patton, mike-rosulek, Phillipp Schoppmann privacyprotocolscryptography
publication 2023 Post-Quantum Privacy Pass via Post-Quantum Anonymous Credentials vamsi-policharla, Bas Westerbaan, Armando Faz Hernandez, Christopher Wood cryptographyprotocols
publication 2023 Evaluating practical QUIC website fingerprinting defenses for the masses Sandra Siby, Ludovic Barman, Christopher Wood, Marwan Fayed, Nick Sullivan, Carmela Troncoso cryptographysecurity
blog 2023 Have your data and hide it too: an introduction to differential privacy privacydifferential-privacy
blog 2023 Cloudflare now uses post-quantum cryptography to talk to your origin server post-quantumcryptography
blog 2023 Post-quantum crypto should be free, so we’re including it for free, forever post-quantumcryptography
publication 2022 This is not the padding you are looking for! On the ineffectiveness of QUIC PADDING against website fingerprinting Ludovic Barman, Sandra Siby, Christopher Wood, Marwan Fayed, Nick Sullivan, Carmela Troncoso cryptographysecurity
publication 2022 RFC 9258: Importing External Pre-Shared Keys (PSKs) for TLS 1.3 David Benjamin, Christopher Wood securityprivacyprotocols
publication 2022 A Symbolic Analysis of Privacy for TLS 1.3 with Encrypted Client Hello Karthikeyan Bhargavan, Vincent Cheval, Christopher Wood cryptographysecurityprotocols
publication 2022 Standardizing MPC for Privacy Preserving Measurement Tim Geoghegan, Christopher Patton, Eric Rescorla, Christopher Wood privacycryptography
publication 2022 RFC 9230: Oblivious DNS over HTTPS Eric Kinnear, Patrick McManus, Tommy Pauly, Tanya Verma, Christopher Wood securityprivacyprotocols
publication 2022 The Decoupling Principle: A Practical Privacy Framework Paul Schmitt, Jana Iyengar, Christopher Wood, Barath Raghavan privacysecurity
publication 2022 A Fast and Simple Partially Oblivious PRF, with Applications Nirvan Tyagi, thomas-ristenpart, Nick Sullivan, Stefano Tessaro, Christopher Wood cryptography
blog 2022 Post-quantumify internal services: Logfwrdr, Tunnel, and gokeyless post-quantumcryptography
publication 2021 Round-optimal verifiable oblivious pseudorandom functions from ideal lattices Martin Albrecht, Alex Davidson, Amit Deo cryptography
publication 2021 ZKAttest: Ring and Group Signatures for Existing ECDSA Keys Armando Faz Hernandez, Watson Ladd, deepak-maram cryptography
publication 2021 Oblivious DNS over HTTPS (ODoH): A Practical Privacy Enhancement to DNS sudheesh-singanamalla, Suphanat "Pop" Chunhapanya, Jonathan Hoyland, Tanya Verma, Peter Wu, Marwan Fayed, Kurtis Heimerl, Nick Sullivan, Christopher Wood privacymeasurement
publication 2018 Privacy Pass: Bypassing Internet Challenges Anonymously Alex Davidson, Ian Goldberg, Nick Sullivan, George Tankersley, Filippo Valsorda privacyauthenticationcryptography