Nicholas Hopper

Publication Activity (10 Years)

Years Active: 2004-2024
Publications (10 Years): 33

Top Topics

Privacy Preservation

Traffic Analysis

Top Venues

Proc. Priv. Enhancing Technol.

Publications

James K. Holland, Jason Carpenter, Se Eun Oh, Nicholas Hopper
DeTorrent: An Adversarial Padding-only Traffic Analysis Defense. Proc. Priv. Enhancing Technol. 2024 (1) (2024)
James K. Holland, Jason Carpenter, Se Eun Oh, Nicholas Hopper
DeTorrent: An Adversarial Padding-only Traffic Analysis Defense. CoRR (2023)
Eric Brigham, Nicholas Hopper
Poster: No safety in numbers: traffic analysis of sealed-sender groups in Signal. CoRR (2023)
Alistair Pattison, Nicholas Hopper
Committee Moderation on Encrypted Messaging Platforms. CoRR (2023)
Nate Mathews, James K. Holland, Se Eun Oh, Mohammad Saidur Rahman, Nicholas Hopper, Matthew Wright
SoK: A Critical Evaluation of Efficient Website Fingerprinting Defenses. SP (2023)
Ethan Witwer, James K. Holland, Nicholas Hopper
Padding-only defenses add delay in Tor. CoRR (2022)
Se Eun Oh, Taiji Yang, Nate Mathews, James K. Holland, Mohammad Saidur Rahman, Nicholas Hopper, Matthew Wright
DeepCoFFEA: Improved Flow Correlation Attacks on Tor via Metric Learning and Amplification. IEEE Symposium on Security and Privacy (2022)
James K. Holland, Nicholas Hopper
RegulaTor: A Straightforward Website Fingerprinting Defense. Proc. Priv. Enhancing Technol. 2022 (2) (2022)
Ethan Witwer, James K. Holland, Nicholas Hopper
Padding-only Defenses Add Delay in Tor. WPES@CCS (2022)
Se Eun Oh, Nate Mathews, Mohammad Saidur Rahman, Matthew Wright, Nicholas Hopper
GANDaLF: GAN for Data-Limited Fingerprinting. Proc. Priv. Enhancing Technol. 2021 (2) (2021)
Jaskaran V. Singh, Nicholas Hopper
Grades of Trust in Multiparty Computation. IACR Cryptol. ePrint Arch. 2021 (2021)
James K. Holland, Nicholas Hopper
RegulaTOR: A Powerful Website Fingerprinting Defense. CoRR (2020)
Michael Schliep, Nicholas Hopper
End-to-End Secure Mobile Group Messaging with Conversation Integrity and Deniability. WPES@CCS (2019)
Se Eun Oh, Saikrishna Sunkam, Nicholas Hopper
p1-FP: Extraction, Classification, and Prediction of Website Fingerprints with Deep Learning. Proc. Priv. Enhancing Technol. 2019 (3) (2019)
Michael Schliep, Eugene Y. Vasserman, Nicholas Hopper
Consistent Synchronous Group Off-The-Record Messaging with SYM-GOTR. Proc. Priv. Enhancing Technol. 2018 (3) (2018)
Michael Schliep, Nicholas Hopper
End-to-End Secure Mobile Group Messaging with Conversation Integrity and Deniability. IACR Cryptol. ePrint Arch. 2018 (2018)
Shuai Li, Huajun Guo, Nicholas Hopper
Measuring Information Leakage in Website Fingerprinting Attacks and Defenses. CCS (2018)
Rob Jansen, Matthew Traudt, Nicholas Hopper
Privacy-Preserving Dynamic Learning of Tor Network Traffic. CCS (2018)
Rahul Parhi, Michael Schliep, Nicholas Hopper
MP3: A More Efficient Private Presence Protocol. Financial Cryptography (2018)
Michael Schliep, Nicholas Hopper
End-to-End Secure Mobile Group Messaging with Conversation Integrity and Minimal Metadata Leakage. CCS (2018)
Shuai Li, Huajun Guo, Nicholas Hopper
Measuring Information Leakage in Website Fingerprinting Attacks. CoRR (2017)
Se Eun Oh, Saikrishna Sunkam, Nicholas Hopper
Traffic Analysis with Deep Learning. CoRR (2017)
Michael Schliep, Ian Kariniemi, Nicholas Hopper
Is Bob Sending Mixed Signals? WPES@CCS (2017)
Se Eun Oh, Shuai Li, Nicholas Hopper
Fingerprinting Keywords in Search Queries over Tor. Proc. Priv. Enhancing Technol. 2017 (4) (2017)
Aaron Johnson, Rob Jansen, Nicholas Hopper, Aaron Segal, Paul Syverson
PeerFlow: Secure Load Balancing in Tor. Proc. Priv. Enhancing Technol. 2017 (2) (2017)
Max Schuchard, Nicholas Hopper
E-Embargoes: Discouraging the Deployment of Traffic Manipulating Boxes With Economic Incentives. CoRR (2016)
John Geddes, Mike Schliep, Nicholas Hopper
Anarchy in Tor: Performance Cost of Decentralization. CoRR (2016)
Rahul Parhi, Michael Schliep, Nicholas Hopper
MP3: A More Efficient Private Presence Protocol. CoRR (2016)
John Geddes, Mike Schliep, Nicholas Hopper
ABRA CADABRA: Magically Increasing Network Utilization in Tor by Avoiding Bottlenecks. WPES@CCS (2016)
Shuai Li, Nicholas Hopper
Mailet: Instant Social Networking under Censorship. Proc. Priv. Enhancing Technol. 2016 (2) (2016)
Max Schuchard, John Geddes, Mike Schliep, Nicholas Hopper
The Cost of the Path Not Taken. GLOBECOM (2016)
Eric Chan-Tin, Victor Heorhiadi, Nicholas Hopper, Yongdae Kim
Hijacking the Vuze BitTorrent network: all your hop are belong to us. IET Inf. Secur. 9 (4) (2015)
Nicholas Hopper, Rob Jansen
WPES 2015: The 14th Workshop on Privacy in the Electronic Society. CCS (2015)
John Geddes, Rob Jansen, Nicholas Hopper
IMUX: Managing Tor Connections from Two to Infinity, and Beyond. WPES (2014)
Nicholas Hopper
Challenges in Protecting Tor Hidden Services from Botnet Abuse. Financial Cryptography (2014)
Max Schuchard, Christopher Thompson, Nicholas Hopper, Yongdae Kim
Peer Pressure: Exerting Malicious Influence on Routers at a Distance. ICDCS (2013)
Eugene Y. Vasserman, Nicholas Hopper
Vampire Attacks: Draining Life from Wireless Ad Hoc Sensor Networks. IEEE Trans. Mob. Comput. 12 (2) (2013)
John Geddes, Max Schuchard, Nicholas Hopper
Cover your ACKs: pitfalls of covert channel censorship circumvention. CCS (2013)
Qiyan Wang, Zi Lin, Nikita Borisov, Nicholas Hopper
rBridge: User Reputation based Tor Bridge Distribution with Privacy Preservation. NDSS (2013)
John Geddes, Rob Jansen, Nicholas Hopper
How Low Can You Go: Balancing Performance with Anonymity in Tor. Privacy Enhancing Technologies (2013)
Hong Liu, Eugene Y. Vasserman, Nicholas Hopper
Improved group off-the-record messaging. WPES (2013)
Peng Wang, James Tyra, Eric Chan-Tin, Tyson Malchow, Denis Foo Kune, Nicholas Hopper, Yongdae Kim
Attacking the kad network - real world evaluation and high fidelity simulation using DVN. Secur. Commun. Networks 6 (12) (2013)
Rob Jansen, Kevin S. Bauer, Nicholas Hopper, Roger Dingledine
Methodically Modeling the Tor Network. CSET (2012)
Abedelaziz Mohaisen, Huy Tran, Nicholas Hopper, Yongdae Kim
On the mixing time of directed social graphs and security implications. AsiaCCS (2012)
Rob Jansen, Paul F. Syverson, Nicholas Hopper
Throttling Tor Bandwidth Parasites. USENIX Security Symposium (2012)
Eugene Y. Vasserman, Victor Heorhiadi, Nicholas Hopper, Yongdae Kim
One-Way Indexing for Plausible Deniability in Censorship Resistant Storage. FOCI (2012)
Max Schuchard, John Geddes, Christopher Thompson, Nicholas Hopper
Routing around decoys. CCS (2012)
Eric Chan-Tin, Nicholas Hopper
KoNKS: konsensus-style network koordinate system. AsiaCCS (2012)
Rob Jansen, Nicholas Hopper
Shadow: Running Tor in a Box for Accurate and Efficient Experimentation. NDSS (2012)
Zi Lin, Nicholas Hopper
New Attacks on Timing-based Network Flow Watermarks. USENIX Security Symposium (2012)
Zi Lin, Denis Foo Kune, Nicholas Hopper
Efficient Private Proximity Testing with GSM Location Sketches. Financial Cryptography (2012)
Max Schuchard, Christopher Thompson, Nicholas Hopper, Yongdae Kim
Taking Routers Off Their Meds: Why Assumptions Of Router Stability Are Dangerous. NDSS (2012)
Denis Foo Kune, John Kölndorfer, Nicholas Hopper, Yongdae Kim
Location leaks over the GSM air interface. NDSS (2012)
Rob Jansen, Nicholas Hopper, Paul F. Syverson
Throttling Tor Bandwidth Parasites. NDSS (2012)
Abedelaziz Mohaisen, Nicholas Hopper, Yongdae Kim
Keep your friends close: Incorporating trust into social network-based Sybil defenses. INFOCOM (2011)
Peter Lofgren, Nicholas Hopper
BNymble: More Anonymous Blacklisting at Almost No Cost (A Short Paper). Financial Cryptography (2011)
Max Schuchard, Abedelaziz Mohaisen, Denis Foo Kune, Nicholas Hopper, Yongdae Kim, Eugene Y. Vasserman
Losing Control of the Internet: Using the Data Plane to Attack the Control Plane. NDSS (2011)
Eric Chan-Tin, Nicholas Hopper
Accurate and Provably Secure Latency Estimation with Treeple. NDSS (2011)
Eric Chan-Tin, Victor Heorhiadi, Nicholas Hopper, Yongdae Kim
The Frog-Boiling Attack: Limitations of Secure Network Coordinate Systems. ACM Trans. Inf. Syst. Secur. 14 (3) (2011)
Abedelaziz Mohaisen, Huy Tran, Nicholas Hopper, Yongdae Kim
Understanding Social Networks Properties for Trustworthy Computing. ICDCS Workshops (2011)
Peter Lofgren, Nicholas Hopper
FAUST: efficient, TTP-free abuse prevention by anonymous whitelisting. WPES (2011)
Zi Lin, Nicholas Hopper
Jack: scalable accumulator-based nymble system. WPES (2010)
Abedelaziz Mohaisen, Nicholas Hopper, Yongdae Kim
Designs to account for trust in social network-based sybil defenses. CCS (2010)
Rob Jansen, Nicholas Hopper, Yongdae Kim
Recruiting new tor relays with BRAIDS. CCS (2010)
Nicholas Hopper, Eugene Y. Vasserman, Eric Chan-Tin
How much anonymity does network latency leak? ACM Trans. Inf. Syst. Secur. 13 (2) (2010)
Eric Chan-Tin, Nicholas Hopper
Secure latency estimation with treeple. CCS (2010)
Max Schuchard, Abedelaziz Mohaisen, Denis Foo Kune, Nicholas Hopper, Yongdae Kim, Eugene Y. Vasserman
Losing control of the internet: using the data plane to attack the control plane. CCS (2010)
Max Schuchard, Alexander W. Dean, Victor Heorhiadi, Nicholas Hopper, Yongdae Kim
Balancing the shadows. WPES (2010)
Eugene Y. Vasserman, Rob Jansen, James Tyra, Nicholas Hopper, Yongdae Kim
Membership-concealing overlay networks. CCS (2009)
Eric Chan-Tin, Daniel Feldman, Nicholas Hopper, Yongdae Kim
The Frog-Boiling Attack: Limitations of Anomaly Detection for Secure Network Coordinate Systems. SecureComm (2009)
Brent ByungHoon Kang, Eric Chan-Tin, Christopher P. Lee, James Tyra, Hun Jeong Kang, Chris Nunnery, Zachariah Wadler, Greg Sinclair, Nicholas Hopper, David Dagon, Yongdae Kim
Towards complete node enumeration in a peer-to-peer botnet. AsiaCCS (2009)
Hun Jeong Kang, Eric Chan-Tin, Nicholas Hopper, Yongdae Kim
Why Kad Lookup Fails. Peer-to-Peer Computing (2009)
Eugene Y. Vasserman, Nicholas Hopper, James Tyra
Silent Knock : practical, provably undetectable authentication. Int. J. Inf. Sec. 8 (2) (2009)
Andrew Tran, Nicholas Hopper, Yongdae Kim
Hashing it out in public: common failure modes of DHT-based anonymity schemes. WPES (2009)
Jon McLachlan, Nicholas Hopper
On the risks of serving whenever you surf: vulnerabilities in Tor's blocking resistance design. WPES (2009)
Jon McLachlan, Andrew Tran, Nicholas Hopper, Yongdae Kim
Scalable onion routing with torsk. CCS (2009)
Jon McLachlan, Nicholas Hopper
Don't Clog the Queue! Circuit Clogging and Mitigation in P2P Anonymity Schemes. Financial Cryptography (2008)
Peng Wang, James Tyra, Eric Chan-Tin, Tyson Malchow, Denis Foo Kune, Nicholas Hopper, Yongdae Kim
Attacking the Kad network. SecureComm (2008)
Erik Shimshock, Matt Staats, Nicholas Hopper
Breaking and Provably Fixing Minx. Privacy Enhancing Technologies (2008)
Jung Hee Cheon, Nicholas Hopper, Yongdae Kim, Ivan Osipkov
Provably Secure Timed-Release Public Key Encryption. ACM Trans. Inf. Syst. Secur. 11 (2) (2008)
Nicholas Hopper, David Molnar, David A. Wagner
From Weak to Strong Watermarking. TCC (2007)
Nicholas Hopper, Eugene Y. Vasserman, Eric Chan-Tin
How much anonymity does network latency leak? CCS (2007)
Ivan Osipkov, Eugene Y. Vasserman, Nicholas Hopper, Yongdae Kim
Combating Double-Spending Using Cooperative P2P Systems. ICDCS (2007)
Eugene Y. Vasserman, Nicholas Hopper, John Laxson, James Tyra
SilentKnock: Practical, Provably Undetectable Authentication. ESORICS (2007)
Ivan Osipkov, Peng Wang, Nicholas Hopper
Robust Accounting in Decentralized P2P Storage Systems. ICDCS (2006)
Nicholas Hopper, David Molnar, David A. Wagner
From Weak to Strong Watermarking. IACR Cryptol. ePrint Arch. 2006 (2006)
Nicholas Hopper, Eugene Y. Vasserman
;-anonymity against traffic analysis and surveillance. WPES (2006)
Jung Hee Cheon, Nicholas Hopper, Yongdae Kim, Ivan Osipkov
Timed-Release and Key-Insulated Public Key Encryption. Financial Cryptography (2006)
Nicholas Hopper
On Steganographic Chosen Covertext Security. ICALP (2005)
Jung Hee Cheon, Nicholas Hopper, Yongdae Kim, Ivan Osipkov
Timed-Release and Key-Insulated Public Key Encryption. IACR Cryptol. ePrint Arch. 2004 (2004)