The Era of TLS 1.3: Measuring Deployment and Use Ralph Holz The University of Sydney Johanna Amann ICSI / Corelight / LBL Abbas Razaghpanah Stony Brook University Jens Hiller RWTH Aachen Thomas Jost RWTH Aachen Oliver Hohlfeld Brandenburg University of Technology Narseo Vallina-Rodriguez IMDEA Networks Institute / ICSI Real World Crypto (RWC) 2020
TLS 1.3 Photo by Markus Spiske on Unsplash
Perspectives Active Scans Passive measurements Android ecosystem measurements
Active Scans • Draft versions starting 2017-10 (from Germany) • Extended version of zgrab • Draft 18-28 • Final RFC starting 2019-05 (from Sydney) • Custom scanner
Android dataset: Lumen • Android privacy-enhancing tool • Crowd source measurements of application behavior • Collect anonymized TLS handshake data between apps and servers • November 2015-April 2019 • more than 22,000 users • > 100 countries • 11.8 million TLS connections
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