activity
20132024
most citedScrambleSuit: A Polymorph Network Protocol to Circumvent Censorship

33 citations · 39 across the 5 of their papers we have counts for

collaborators

7 papers

cs.OS2024★ 3 cited

The eBPF Runtime in the Linux Kernel

Bolaji Gbadamosi, Luigi Leonardi, Tobias Pulls +4

Extended Berkeley Packet Filter (eBPF) is a runtime that enables users to load programs into the operating system (OS) kernel, like Linux or Windows, and execute them safely and ef…

cs.CR2023

Maybenot: A Framework for Traffic Analysis Defenses

Tobias Pulls, Ethan Witwer

End-to-end encryption is a powerful tool for protecting the privacy of Internet users. Together with the increasing use of technologies such as Tor, VPNs, and encrypted messaging,…

cs.CR2020★ 1 cited

Towards Effective and Efficient Padding Machines for Tor

Tobias Pulls

Tor recently integrated a circuit padding framework for creating padding machines: defenses that work by defining state machines that inject dummy traffic to protect against traffi…

cs.CR2018★ 2 cited

Aggregation-Based Certificate Transparency Gossip

Rasmus Dahlberg, Tobias Pulls, Jonathan Vestin +2

Certificate Transparency (CT) requires that every CA-issued TLS certificate must be publicly logged. While a CT log need not be trusted in theory, it relies on the assumption that…

cs.CR2017

Verifiable Light-Weight Monitoring for Certificate Transparency Logs

Rasmus Dahlberg, Tobias Pulls

Trust in publicly verifiable Certificate Transparency (CT) logs is reduced through cryptography, gossip, auditing, and monitoring. The role of a monitor is to observe each and ever…

cs.CR2016

The Effect of DNS on Tor's Anonymity

Benjamin Greschbach, Tobias Pulls, Laura M. Roberts +2

Previous attacks that link the sender and receiver of traffic in the Tor network ("correlation attacks") have generally relied on analyzing traffic from TCP connections. The TCP co…

cs.CR2013★ 33 cited

ScrambleSuit: A Polymorph Network Protocol to Circumvent Censorship

Philipp Winter, Tobias Pulls, Juergen Fuss

Deep packet inspection technology became a cornerstone of Internet censorship by facilitating cheap and effective filtering of what censors consider undesired information. Moreover…