Crowds

Reiter, Michael K.; Rubin, Aviel D.

doi:10.1145/290163.290168

Cited by 1,349 publications

(856 citation statements)

References 11 publications

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“…Privacy and Nothing But The best available solution for hiding a return address is using a mix net or onion routing service like Tor [12,31,32]. Observers in the network only see the identity of the two onion routers on that link in the Tor path.…”

Section: Previous Workmentioning

confidence: 99%

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Balancing accountability and privacy in the network

Naylor

Mukerjee

Steenkiste

2014

Proceedings of the 2014 ACM Conference on SIGCOMM

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Though most would agree that accountability and privacy are both valuable, today's Internet provides little support for either. Previous efforts have explored ways to offer stronger guarantees for one of the two, typically at the expense of the other; indeed, at first glance accountability and privacy appear mutually exclusive. At the center of the tussle is the source address: in an accountable Internet, source addresses undeniably link packets and senders so hosts can be punished for bad behavior. In a privacy-preserving Internet, source addresses are hidden as much as possible.In this paper, we argue that a balance is possible. We introduce the Accountable and Private Internet Protocol (APIP), which splits source addresses into two separate fields -an accountability address and a return address -and introduces independent mechanisms for managing each. Accountability addresses, rather than pointing to hosts, point to accountability delegates, which agree to vouch for packets on their clients' behalves, taking appropriate action when misbehavior is reported. With accountability handled by delegates, senders are now free to mask their return addresses; we discuss a few techniques for doing so.

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Section: Previous Workmentioning

confidence: 99%

“…Privacy Various techniques exist for hiding network source addresses, including crowds [32], mixes [12], and onion routing [31]. Real-world implementations based on these ideas include Anonymizer 2 and Tor 3 .…”

Section: Related Workmentioning

confidence: 99%

Balancing accountability and privacy in the network

Naylor

Mukerjee

Steenkiste

2014

Proceedings of the 2014 ACM Conference on SIGCOMM

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“…Crowds Protocol. The intention of the Crowds protocol [21] is to protect the anonymity of Internet users. The protocol hides each user's communications via random routing.…”

Section: Case Studiesmentioning

confidence: 99%

Probabilistic Reachability for Parametric Markov Models

Hahn

Hermanns

Zhang

2009

Model Checking Software

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Abstract. Given a parametric Markov model, we consider the problem of computing the formula expressing the probability of reaching a given set of states. To attack this principal problem, Daws has suggested to first convert the Markov chain into a finite automaton, from which a regular expression is computed. Afterwards, this expression is evaluated to a closed form expression representing the reachability probability. This paper investigates how this idea can be turned into an effective procedure. It turns out that the bottleneck lies in an exponential growth of the regular expression relative to the number of states. We therefore proceed differently, by tightly intertwining the regular expression computation with its evaluation. This allows us to arrive at an effective method that avoids the exponential blow up in most practical cases. We give a detailed account of the approach, also extending to parametric models with rewards and with non-determinism. Experimental evidence is provided, illustrating that our implementation provides meaningful insights on non-trivial models.

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“…It changes the output sequence of the input message in order to confuse the adversary. There are many applications using Mix-net at the different domain such as Web service, P2P communication and anonymous e-mail system [10], [11], [12]. We employ the Mix-net for anonymous authentication.…”

Section: Mix-net For the Anonymitymentioning

confidence: 99%

A Privacy-Aware Service Protocol for Ubiquitous Computing Environments

Lee

Chae

Hwang

et al. 2006

Emerging Directions in Embedded and Ubiquitous Computing

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Abstract. In a ubiquitous computing environment, every service should have the characteristic of context-awareness and location information is an important factor to grasp a user's context. Thus, location privacy is an major security issue of ubiquitous computing environment. Most research on location privacy is focused on protecting the location information itself. However, not only prohibiting acquirement of the sensitive information illegally but also forbidding abuse of the information obtained legally is important to protect user privacy. In order to satisfy this claim, we propose a new privacy-aware service protocol for a ubiquitous computing environment. The proposed protocol decouples the relation between a user's identity and location. Moreover, it uses anonymous communication channel to hide the user's service consume pattern.

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Crowds

Cited by 1,349 publications

References 11 publications

Balancing accountability and privacy in the network

Balancing accountability and privacy in the network

Probabilistic Reachability for Parametric Markov Models

A Privacy-Aware Service Protocol for Ubiquitous Computing Environments

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