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ORCIDNicholas Hopper
Nicholas J. Hopper
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- affiliation: University of Minnesota, USA
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2020 – today
- 2024
[j17]James K. Holland, Jason Carpenter, Se Eun Oh, Nicholas Hopper:
DeTorrent: An Adversarial Padding-only Traffic Analysis Defense. Proc. Priv. Enhancing Technol. 2024(1): 98-115 (2024)- [j16]Nate Mathews
, James K. Holland, Nicholas Hopper, Matthew Wright:
Laserbeak: Evolving Website Fingerprinting Attacks With Attention and Multi-Channel Feature Representation. IEEE Trans. Inf. Forensics Secur. 19: 9285-9300 (2024) - 2023
- [c69]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: 969-986 - [i16]James K. Holland, Jason Carpenter, Se Eun Oh, Nicholas Hopper:
DeTorrent: An Adversarial Padding-only Traffic Analysis Defense. CoRR abs/2302.02012 (2023) - [i15]Eric Brigham, Nicholas Hopper:
Poster: No safety in numbers: traffic analysis of sealed-sender groups in Signal. CoRR abs/2305.09799 (2023) - [i14]Alistair Pattison, Nicholas Hopper:
Committee Moderation on Encrypted Messaging Platforms. CoRR abs/2306.01241 (2023) - 2022
- [j15]James K. Holland, Nicholas Hopper:
RegulaTor: A Straightforward Website Fingerprinting Defense. Proc. Priv. Enhancing Technol. 2022(2): 344-362 (2022) - [c68]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. SP 2022: 1915-1932 - [c67]Ethan Witwer, James K. Holland, Nicholas Hopper:
Padding-only Defenses Add Delay in Tor. WPES@CCS 2022: 29-33 - [i13]Ethan Witwer, James K. Holland, Nicholas Hopper:
Padding-only defenses add delay in Tor. CoRR abs/2208.02917 (2022) - 2021
- [j14]Se Eun Oh, Nate Mathews, Mohammad Saidur Rahman, Matthew Wright, Nicholas Hopper:
GANDaLF: GAN for Data-Limited Fingerprinting. Proc. Priv. Enhancing Technol. 2021(2): 305-322 (2021) - [i12]Jaskaran V. Singh, Nicholas Hopper:
Grades of Trust in Multiparty Computation. IACR Cryptol. ePrint Arch. 2021: 82 (2021) - 2020
- [i11]James K. Holland, Nicholas Hopper:
RegulaTOR: A Powerful Website Fingerprinting Defense. CoRR abs/2012.06609 (2020)
2010 – 2019
- 2019
- [j13]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): 191-209 (2019) - [c66]Michael Schliep, Nicholas Hopper:
End-to-End Secure Mobile Group Messaging with Conversation Integrity and Deniability. WPES@CCS 2019: 55-73 - 2018
- [j12]Michael Schliep, Eugene Y. Vasserman, Nicholas Hopper:
Consistent Synchronous Group Off-The-Record Messaging with SYM-GOTR. Proc. Priv. Enhancing Technol. 2018(3): 181-202 (2018) - [c65]Rob Jansen, Matthew Traudt, Nicholas Hopper:
Privacy-Preserving Dynamic Learning of Tor Network Traffic. CCS 2018: 1944-1961 - [c64]Shuai Li, Huajun Guo, Nicholas Hopper:
Measuring Information Leakage in Website Fingerprinting Attacks and Defenses. CCS 2018: 1977-1992 - [c63]Michael Schliep, Nicholas Hopper:
End-to-End Secure Mobile Group Messaging with Conversation Integrity and Minimal Metadata Leakage. CCS 2018: 2282-2284 - [c62]Rahul Parhi, Michael Schliep, Nicholas Hopper:
MP3: A More Efficient Private Presence Protocol. Financial Cryptography 2018: 38-57 - [i10]Michael Schliep, Nicholas Hopper:
End-to-End Secure Mobile Group Messaging with Conversation Integrity and Deniability. IACR Cryptol. ePrint Arch. 2018: 1097 (2018) - 2017
- [j11]Aaron Johnson, Rob Jansen, Nicholas Hopper, Aaron Segal, Paul Syverson:
PeerFlow: Secure Load Balancing in Tor. Proc. Priv. Enhancing Technol. 2017(2): 74-94 (2017) - [j10]Se Eun Oh, Shuai Li, Nicholas Hopper:
Fingerprinting Keywords in Search Queries over Tor. Proc. Priv. Enhancing Technol. 2017(4): 251-270 (2017) - [c61]Michael Schliep, Ian Kariniemi, Nicholas Hopper:
Is Bob Sending Mixed Signals? WPES@CCS 2017: 31-40 - [i9]Shuai Li, Huajun Guo, Nicholas Hopper:
Measuring Information Leakage in Website Fingerprinting Attacks. CoRR abs/1710.06080 (2017) - [i8]Se Eun Oh, Saikrishna Sunkam, Nicholas Hopper:
Traffic Analysis with Deep Learning. CoRR abs/1711.03656 (2017) - 2016
- [j9]Shuai Li, Nicholas Hopper:
Mailet: Instant Social Networking under Censorship. Proc. Priv. Enhancing Technol. 2016(2): 175-192 (2016) - [c60]Max Schuchard, John Geddes, Mike Schliep, Nicholas Hopper:
The Cost of the Path Not Taken. GLOBECOM 2016: 1-6 - [c59]John Geddes, Mike Schliep, Nicholas Hopper:
ABRA CADABRA: Magically Increasing Network Utilization in Tor by Avoiding Bottlenecks. WPES@CCS 2016: 165-176 - [i7]John Geddes, Mike Schliep, Nicholas Hopper:
Anarchy in Tor: Performance Cost of Decentralization. CoRR abs/1606.02385 (2016) - [i6]Max Schuchard, Nicholas Hopper:
E-Embargoes: Discouraging the Deployment of Traffic Manipulating Boxes With Economic Incentives. CoRR abs/1606.08536 (2016) - [i5]Rahul Parhi, Michael Schliep, Nicholas Hopper:
MP3: A More Efficient Private Presence Protocol. CoRR abs/1609.02987 (2016) - 2015
- [j8]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): 203-208 (2015) - [c58]Nicholas Hopper, Rob Jansen:
WPES 2015: The 14th Workshop on Privacy in the Electronic Society. CCS 2015: 1719-1720 - [e3]Indrajit Ray, Nicholas Hopper, Rob Jansen:
Proceedings of the 14th ACM Workshop on Privacy in the Electronic Society, WPES 2015, Denver, Colorado, USA, October 12, 2015. ACM 2015, ISBN 978-1-4503-3820-2 [contents] - 2014
- [c57]Nicholas Hopper:
Challenges in Protecting Tor Hidden Services from Botnet Abuse. Financial Cryptography 2014: 316-325 - [c56]John Geddes, Rob Jansen, Nicholas Hopper:
IMUX: Managing Tor Connections from Two to Infinity, and Beyond. WPES 2014: 181-190 - 2013
- [j7]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): 1556-1575 (2013) - [j6]Eugene Y. Vasserman, Nicholas Hopper:
Vampire Attacks: Draining Life from Wireless Ad Hoc Sensor Networks. IEEE Trans. Mob. Comput. 12(2): 318-332 (2013) - [c55]John Geddes, Max Schuchard, Nicholas Hopper:
Cover your ACKs: pitfalls of covert channel censorship circumvention. CCS 2013: 361-372 - [c54]Max Schuchard, Christopher Thompson, Nicholas Hopper, Yongdae Kim:
Peer Pressure: Exerting Malicious Influence on Routers at a Distance. ICDCS 2013: 571-580 - [c53]Qiyan Wang, Zi Lin, Nikita Borisov, Nicholas Hopper:
rBridge: User Reputation based Tor Bridge Distribution with Privacy Preservation. NDSS 2013 - [c52]John Geddes, Rob Jansen, Nicholas Hopper:
How Low Can You Go: Balancing Performance with Anonymity in Tor. Privacy Enhancing Technologies 2013: 164-184 - [c51]Hong Liu, Eugene Y. Vasserman, Nicholas Hopper:
Improved group off-the-record messaging. WPES 2013: 249-254 - 2012
- [c50]Abedelaziz Mohaisen, Huy Tran, Nicholas Hopper, Yongdae Kim:
On the mixing time of directed social graphs and security implications. AsiaCCS 2012: 36-37 - [c49]Eric Chan-Tin, Nicholas Hopper:
KoNKS: konsensus-style network koordinate system. AsiaCCS 2012: 61-62 - [c48]Max Schuchard, John Geddes, Christopher Thompson, Nicholas Hopper:
Routing around decoys. CCS 2012: 85-96 - [c47]Zi Lin, Denis Foo Kune, Nicholas Hopper:
Efficient Private Proximity Testing with GSM Location Sketches. Financial Cryptography 2012: 73-88 - [c46]Rob Jansen, Nicholas Hopper:
Shadow: Running Tor in a Box for Accurate and Efficient Experimentation. NDSS 2012 - [c45]Rob Jansen, Nicholas Hopper, Paul F. Syverson:
Throttling Tor Bandwidth Parasites. NDSS 2012 - [c44]Denis Foo Kune, John Kölndorfer, Nicholas Hopper, Yongdae Kim:
Location leaks over the GSM air interface. NDSS 2012 - [c43]Max Schuchard, Christopher Thompson, Nicholas Hopper, Yongdae Kim:
Taking Routers Off Their Meds: Why Assumptions Of Router Stability Are Dangerous. NDSS 2012 - [c42]Rob Jansen, Kevin S. Bauer, Nicholas Hopper, Roger Dingledine:
Methodically Modeling the Tor Network. CSET 2012 - [c41]Rob Jansen, Paul F. Syverson, Nicholas Hopper:
Throttling Tor Bandwidth Parasites. USENIX Security Symposium 2012: 349-363 - [c40]Zi Lin, Nicholas Hopper:
New Attacks on Timing-based Network Flow Watermarks. USENIX Security Symposium 2012: 381-396 - [c39]Eugene Y. Vasserman, Victor Heorhiadi, Nicholas Hopper, Yongdae Kim:
One-Way Indexing for Plausible Deniability in Censorship Resistant Storage. FOCI 2012 - 2011
- [j5]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): 27:1-27:23 (2011) - [c38]Peter Lofgren, Nicholas Hopper:
BNymble: More Anonymous Blacklisting at Almost No Cost (A Short Paper). Financial Cryptography 2011: 268-275 - [c37]Abedelaziz Mohaisen, Huy Tran, Nicholas Hopper, Yongdae Kim:
Understanding Social Networks Properties for Trustworthy Computing. ICDCS Workshops 2011: 154-159 - [c36]Abedelaziz Mohaisen, Nicholas Hopper, Yongdae Kim:
Keep your friends close: Incorporating trust into social network-based Sybil defenses. INFOCOM 2011: 1943-1951 - [c35]Eric Chan-Tin, Nicholas Hopper:
Accurate and Provably Secure Latency Estimation with Treeple. NDSS 2011 - [c34]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 - [c33]Peter Lofgren, Nicholas Hopper:
FAUST: efficient, TTP-free abuse prevention by anonymous whitelisting. WPES 2011: 125-130 - [e2]Simone Fischer-Hübner, Nicholas Hopper:
Privacy Enhancing Technologies - 11th International Symposium, PETS 2011, Waterloo, ON, Canada, July 27-29, 2011. Proceedings. Lecture Notes in Computer Science 6794, Springer 2011, ISBN 978-3-642-22262-7 [contents] - 2010
- [j4]Nicholas Hopper, Eugene Y. Vasserman, Eric Chan-Tin:
How much anonymity does network latency leak? ACM Trans. Inf. Syst. Secur. 13(2): 13:1-13:28 (2010) - [c32]Rob Jansen, Nicholas Hopper, Yongdae Kim:
Recruiting new tor relays with BRAIDS. CCS 2010: 319-328 - [c31]Eric Chan-Tin, Nicholas Hopper:
Secure latency estimation with treeple. CCS 2010: 660-662 - [c30]Abedelaziz Mohaisen, Nicholas Hopper, Yongdae Kim:
Designs to account for trust in social network-based sybil defenses. CCS 2010: 714-716 - [c29]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: 726-728 - [c28]Max Schuchard, Alexander W. Dean, Victor Heorhiadi, Nicholas Hopper, Yongdae Kim:
Balancing the shadows. WPES 2010: 1-10 - [c27]Zi Lin, Nicholas Hopper:
Jack: scalable accumulator-based nymble system. WPES 2010: 53-62 - [e1]Mikhail J. Atallah, Nicholas J. Hopper:
Privacy Enhancing Technologies, 10th International Symposium, PETS 2010, Berlin, Germany, July 21-23, 2010. Proceedings. Lecture Notes in Computer Science 6205, Springer 2010, ISBN 978-3-642-14526-1 [contents]
2000 – 2009
- 2009
- [j3]Eugene Y. Vasserman, Nicholas Hopper, James Tyra:
Silent Knock : practical, provably undetectable authentication. Int. J. Inf. Sec. 8(2): 121-135 (2009) - [j2]Nicholas J. Hopper, Luis von Ahn, John Langford:
Provably Secure Steganography. IEEE Trans. Computers 58(5): 662-676 (2009) - [c26]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: 23-34 - [c25]Eugene Y. Vasserman, Rob Jansen, James Tyra, Nicholas Hopper, Yongdae Kim:
Membership-concealing overlay networks. CCS 2009: 390-399 - [c24]Jon McLachlan, Andrew Tran, Nicholas Hopper, Yongdae Kim:
Scalable onion routing with torsk. CCS 2009: 590-599 - [c23]Hun Jeong Kang, Eric Chan-Tin, Nicholas Hopper, Yongdae Kim:
Why Kad Lookup Fails. Peer-to-Peer Computing 2009: 121-130 - [c22]Eric Chan-Tin, Daniel Feldman, Nicholas Hopper, Yongdae Kim:
The Frog-Boiling Attack: Limitations of Anomaly Detection for Secure Network Coordinate Systems. SecureComm 2009: 448-458 - [c21]Jon McLachlan, Nicholas Hopper:
On the risks of serving whenever you surf: vulnerabilities in Tor's blocking resistance design. WPES 2009: 31-40 - [c20]Andrew Tran, Nicholas Hopper, Yongdae Kim:
Hashing it out in public: common failure modes of DHT-based anonymity schemes. WPES 2009: 71-80 - 2008
- [j1]Jung Hee Cheon, Nicholas Hopper, Yongdae Kim, Ivan Osipkov:
Provably Secure Timed-Release Public Key Encryption. ACM Trans. Inf. Syst. Secur. 11(2): 4:1-4:44 (2008) - [c19]Jon McLachlan, Nicholas Hopper:
Don't Clog the Queue! Circuit Clogging and Mitigation in P2P Anonymity Schemes. Financial Cryptography 2008: 31-46 - [c18]Erik Shimshock, Matt Staats, Nicholas Hopper:
Breaking and Provably Fixing Minx. Privacy Enhancing Technologies 2008: 99-114 - [c17]Peng Wang, James Tyra, Eric Chan-Tin, Tyson Malchow, Denis Foo Kune, Nicholas Hopper, Yongdae Kim:
Attacking the Kad network. SecureComm 2008: 23 - 2007
- [c16]Nicholas Hopper, Eugene Y. Vasserman, Eric Chan-Tin:
How much anonymity does network latency leak? CCS 2007: 82-91 - [c15]Eugene Y. Vasserman, Nicholas Hopper, John Laxson, James Tyra:
SilentKnock: Practical, Provably Undetectable Authentication. ESORICS 2007: 122-138 - [c14]Ivan Osipkov, Eugene Y. Vasserman, Nicholas Hopper, Yongdae Kim:
Combating Double-Spending Using Cooperative P2P Systems. ICDCS 2007: 41 - [c13]Nicholas Hopper, David Molnar, David A. Wagner:
From Weak to Strong Watermarking. TCC 2007: 362-382 - 2006
- [c12]Jung Hee Cheon, Nicholas Hopper, Yongdae Kim, Ivan Osipkov:
Timed-Release and Key-Insulated Public Key Encryption. Financial Cryptography 2006: 191-205 - [c11]Ivan Osipkov, Peng Wang, Nicholas Hopper:
Robust Accounting in Decentralized P2P Storage Systems. ICDCS 2006: 14 - [c10]Luis von Ahn, Andrew Bortz, Nicholas J. Hopper, Kevin O'Neill:
Selectively Traceable Anonymity. Privacy Enhancing Technologies 2006: 208-222 - [c9]Nicholas Hopper, Eugene Y. Vasserman:
On the effectiveness of k;-anonymity against traffic analysis and surveillance. WPES 2006: 9-18 - [i4]Nicholas Hopper, David Molnar, David A. Wagner:
From Weak to Strong Watermarking. IACR Cryptol. ePrint Arch. 2006: 430 (2006) - 2005
- [c8]Nicholas Hopper:
On Steganographic Chosen Covertext Security. ICALP 2005: 311-323 - [c7]Luis von Ahn, Nicholas J. Hopper, John Langford:
Covert two-party computation. STOC 2005: 513-522 - 2004
- [c6]Luis von Ahn, Nicholas J. Hopper:
Public-Key Steganography. EUROCRYPT 2004: 323-341 - [i3]Jung Hee Cheon, Nicholas Hopper, Yongdae Kim, Ivan Osipkov:
Timed-Release and Key-Insulated Public Key Encryption. IACR Cryptol. ePrint Arch. 2004: 231 (2004) - 2003
- [c5]Luis von Ahn, Andrew Bortz, Nicholas J. Hopper:
k-anonymous message transmission. CCS 2003: 122-130 - [c4]Luis von Ahn, Manuel Blum, Nicholas J. Hopper, John Langford:
CAPTCHA: Using Hard AI Problems for Security. EUROCRYPT 2003: 294-311 - [i2]Luis von Ahn, Nicholas J. Hopper:
Public Key Steganography. IACR Cryptol. ePrint Arch. 2003: 233 (2003) - 2002
- [c3]Nicholas J. Hopper, John Langford, Luis von Ahn:
Provably Secure Steganography. CRYPTO 2002: 77-92 - [i1]Nicholas J. Hopper, John Langford, Luis von Ahn:
Provably Secure Steganography. IACR Cryptol. ePrint Arch. 2002: 137 (2002) - 2001
- [c2]Nicholas J. Hopper, Manuel Blum:
Secure Human Identification Protocols. ASIACRYPT 2001: 52-66
1990 – 1999
- 1999
- [c1]Nicholas Freitag McPhee, Nicholas J. Hopper:
AppGP: an alternative structural representation for GP. CEC 1999: 1377-1383
Coauthor Index
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