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A first look at the CT landscape: Certificate transparency logs in practice
Linköpings universitet.
Linköpings universitet.
University of Calgary, Calgary, Canada.
Linköpings universitet, Institutionen för datavetenskap, Databas och informationsteknik. Linköpings universitet, Tekniska fakulteten.
2017 (Engelska)Ingår i: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) / [ed] Uhlig S.,Amann J.,Kaafar M.A., 2017, Vol. 10176, s. 87-99Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Many of today’s web-based services rely heavily on secure end-to-end connections. The “trust” that these services require builds upon TLS/SSL. Unfortunately, TLS/SSL is highly vulnerable to compromised Certificate Authorities (CAs) and the certificates they generate. Certificate Transparency (CT) provides a way to monitor and audit certificates and certificate chains, to help improve the overall network security. Using an open standard, anybody can setup CT logs, monitors, and auditors. CT is already used by Google’s Chrome browser for validation of Extended Validation (EV) certificates, Mozilla is drafting their own CT policies to be enforced, and public CT logs have proven valuable in identifying rogue certificates. In this paper we present the first large-scale characterization of the CT landscape. Our characterization uses both active and passive measurements and highlights similarities and differences in public CT logs, their usage, and the certificates they include. We also provide insights into how the certificates in these logs relate to the certificates and keys observed in regular web traffic.

Ort, förlag, år, upplaga, sidor
2017. Vol. 10176, s. 87-99
Serie
Lecture Notes in Computer Science, ISSN 0302-9743, E-ISSN 1611-3349 ; 10176
Nationell ämneskategori
Data- och informationsvetenskap
Identifikatorer
URN: urn:nbn:se:liu:diva-140910DOI: 10.1007/978-3-319-54328-4_7ISI: 000418290300007Scopus ID: 2-s2.0-85015924657ISBN: 978-3-319-54327-7 (tryckt)ISBN: 978-3-319-54328-4 (digital)OAI: oai:DiVA.org:liu-140910DiVA, id: diva2:1141576
Konferens
18th International Conference on Passive and Active Measurement, PAM 2017; Sydney; Australia
Anmärkning

Funding agencies:The authors are thankful to our shepherd Ralph Holz and the anonymous reviewers for their feedback. This work was funded in part by the Swedish Research Council (VR) and the Natural Sciences and Engineering Research Council (NSERC) of Canada.

Tillgänglig från: 2017-09-15 Skapad: 2017-09-15 Senast uppdaterad: 2018-03-27

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Carlsson, Niklas
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