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2012
Proceedings of the 2012 ACM workshop on Privacy in the electronic society - WPES '12
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It achieves anonymity by routing encrypted traffic across a few routers, where the required encryption keys are established using a key exchange protocol. ...
Given that the ECC setting is under consideration for the Tor system, the improved computational efficiency, and the proven security properties make our 1W-AKE an ideal candidate for use in the Tor protocol ...
Acknowledgments We thank Roger Dingledine and Nick Mathewson for motivating preliminary discussions, and Berkant Ustaoglu, Robert Ransom, and the anonymous reviewers for their valuable comments on an earlier ...
doi:10.1145/2381966.2381974
dblp:conf/wpes/BackesKM12
fatcat:6qrtkj7wircutnbzkunvrpoqf4
A Survey on Routing in Anonymous Communication Protocols
[article]
2016
arXiv
pre-print
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To this end, we provide a taxonomy for clustering all prevalently considered approaches (including Mixnets, DC-nets, onion routing, and DHT-based protocols) with respect to their unique routing characteristics ...
between the routing characteristics of these protocols, and their performance and scalability. ...
Onion Routing-based Protocols Onion routing is used in Tor [8] , which constitutes an extension of the original onion routing design, with some modifications to achieve better security, efficiency and ...
arXiv:1608.05538v1
fatcat:arxwswqhl5e7pfhvngni5k3bby
T0RTT: Non-Interactive Immediate Forward-Secret Single-Pass Circuit Construction
2020
Proceedings on Privacy Enhancing Technologies
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The circuit construction protocol (CCP) negotiates cryptographic keys for Tor circuits, which overlay TCP/IP by routing Tor cells over n onion routers. ...
Inspired by the latest advancements in zero round-trip time key exchange (0-RTT), we present a new CCP protocol Tor 0-RTT (T0RTT). ...
We thank our shepherd Wouter Lueks for many fruitful discussions, Tibor Jager for suggesting the use of dummy onions, and Fynn Dallmeier as well as all anonymous reviewers for their valuable comments. ...
doi:10.2478/popets-2020-0030
fatcat:q3rlcpz37ffqxok2v3wxrndjke
Detection of Tor Traffic using Deep Learning
2020
2020 IEEE/ACS 17th International Conference on Computer Systems and Applications (AICCSA)
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Experiments conducted for classifying Tor traffic types demonstrated an accuracy of 95.6%, which is 6.2% higher than previous work on the same dataset. ...
Tor, originally known as The Onion Router, is a free software that allows users to communicate anonymously on the Internet. ...
The exclusive use of time-related features was to expedite efficiency and to ensure an encryption independent traffic classifier. ...
doi:10.1109/aiccsa50499.2020.9316533
fatcat:5fvnudnokzhyzejpx6eng4ldfa
Non-invertible Anonymous Communication for the Quantum Era
[article]
2021
arXiv
pre-print
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We introduce a new approach for circuit anonymous communication based on Lizama's non-invertible Key Exchange Protocol (ni-KEP) which has been conceived to work in the quantum era. ...
Lizama's protocol has the smallest key size when compared to main post-quantum schemes thus it becomes a promising alternative for the quantum era. ...
Alice decrypts it with k ac and she gets k ad , the secret key between Alice and output node D. In Figure 3 the onion routing protocol on the created circuits is shown. ...
arXiv:2103.00598v1
fatcat:pyzir2s3dzappdj3zotwgqjhbi
Post-Quantum Forward-Secure Onion Routing
[chapter]
2015
Lecture Notes in Computer Science
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The Tor network currently employs a one-way authenticated key exchange (1W-AKE) protocol ntor for this purpose. ...
In this paper, we demonstrate utility of lattice-based cryptography towards solving this problem for onion routing. ...
Bose Centre for Cryptology and Security, ISI Kolkata. ...
doi:10.1007/978-3-319-28166-7_13
fatcat:67hl35pjhzenxmfs2irtnotku4
Introducing Accountability to Anonymity Networks
[article]
2013
arXiv
pre-print
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We exemplify the utility of BackRef by integrating it into the onion routing (OR) protocol, and examine its deployability by considering several system-level aspects. ...
Many anonymous communication (AC) networks rely on routing traffic through proxy nodes to obfuscate the originator of the traffic. ...
key exchange (1W-AKE) [34] such as the ntor protocol. ...
arXiv:1311.3151v1
fatcat:k7vvnllfh5d6rioytdddcrw7e4
Authenticated key exchange with group support for wireless sensor networks
2007
2007 IEEE Internatonal Conference on Mobile Adhoc and Sensor Systems
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We present a new idea of group support for authenticated key exchange that substantially increases the resilience of an underlaying probabilistic key pre-distribution scheme against the threat of node ...
Our work targets the area of authenticated key exchange for wireless sensor networks. ...
Design of such efficient protocol with a reasonable communication overhead is still an open question. ...
doi:10.1109/mobhoc.2007.4428767
dblp:conf/mass/SvendaM07
fatcat:zsdnwk4vavgbznbzmdgtn5ylwq
The fifteen year struggle of decentralizing privacy-enhancing technology
[article]
2014
arXiv
pre-print
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The Tor network is used as a key comparison network in the main part of the report: a tabular overview of the major anonymous networking technologies in use today. ...
We list reasons for having anonymous networks, discern the problems in achieving decentralization and sum up the biggest initiatives in the field and their current status. ...
One of them is ACE, an one-way authenticated key exchange protocol. ...
arXiv:1404.4818v1
fatcat:7yfg6ske2fhybodp665gtkflny
Mobile Anonymous Trust Based Routing Using Ant Colony Optimization
2012
American Journal of Applied Sciences
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A new approach for an on demand ad-hoc routing algorithm, which was based on swarm intelligence. ...
The security of the ad hoc routing protocol depends upon encryption, authentication, anonymity and trust factors. ...
mechanism, used to exchange keys for symmetric encryption. ...
doi:10.3844/ajassp.2012.1283.1289
fatcat:wt6hormfnfajrjs6eioaglzzpa
HORNET: High-speed Onion Routing at the Network Layer
[article]
2016
arXiv
pre-print
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HORNET is designed as a low-latency onion routing system that operates at the network layer thus enabling a wide range of applications. ...
Our system uses only symmetric cryptography for data forwarding yet requires no per-flow state on intermediate nodes. This design enables HORNET nodes to process anonymous traffic at over 93 Gb/s. ...
ACKNOWLEDGMENTS We are grateful for insightful discussions with Ian Goldberg, Michael Markus, and the members of the ETH Zürich Network Security group for their discussions and feedback. ...
arXiv:1507.05724v3
fatcat:5vlxgo2snbbv7ddsoduuwck454
Achieving privacy in mesh networks
2006
Proceedings of the fourth ACM workshop on Security of ad hoc and sensor networks - SASN '06
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In this paper we design private routing algorithm that used "Onion", i.e., layered encryption, to hide routing information. ...
Traditional anonymous routing algorithm cannot be directly applied to Mesh network, because they do not defend global attackers. ...
After a route has been built, the initiator can exchange data with the Gateway router and becomes an active node. The symmetric keys, instead of public keys, are used for reducing the computing cost. ...
doi:10.1145/1180345.1180348
dblp:conf/sasn/WuL06
fatcat:p3flfchmw5fd7n3wggdcmviqyy
Breaking and (Partially) Fixing Provably Secure Onion Routing
[article]
2019
arXiv
pre-print
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We demonstrate how to avoid it by showing our improved properties for one protocol, thus partially fixing the family of provably secure onion routing protocols. ...
After several years of research on onion routing, Camenisch and Lysyanskaya, in an attempt at rigorous analysis, defined an ideal functionality in the universal composability model, together with properties ...
ACKNOWLEDGMENT We thank our shepherd Ian Goldberg and the anonymous reviewers for their very valuable feedback. This work in part was funded by DFG EXC 2050/1 -ID 390696704. ...
arXiv:1910.13772v1
fatcat:jgi2arw5lrea5kjwqn3uhrlppa
A Survey on Contemporary MANET Security: Approaches for Securing the MANET
2017
International Journal of Engineering and Technology
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The article explored various security solutions for routing protocols, data security using cryptography as a first line of defence, key management for securing communication. ...
This article is intended to provide contemporary MANET security with perspective of routing protocol security and data security with key management, and monitoring the MANET during routing and/or data ...
They modified XTR (abbreviated for ECSTR which is an Efficient and Compact Subgroup Trace Representation) cryptosystem for reliable exchange of secret keys. ...
doi:10.21817/ijet/2017/v9i1/170901413
fatcat:kepeg6nwofcjjce6ubghravk4a
LiLAC: Lightweight Low-Latency Anonymous Chat
2017
2017 IEEE Symposium on Privacy-Aware Computing (PAC)
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Those design decisions and trade-offs make LiLAC an interesting case to study for privacy and security engineers. ...
This leads to a key trade-off between the system's bandwidth overhead and end-to-end delay along the circuit, which we study. ...
ACKNOWLEDGMENT The authors would like to thank the reviewers for providing great feedback. ...
doi:10.1109/pac.2017.14
dblp:conf/pac/PodolankoPMDW17
fatcat:qipqyyai5ndmbjl63bedf43yaq
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