Mixminion: design of a type III anonymous remailer protocol

Danezis, George; Dingledine, Roger; Mathewson, Nick

doi:10.1109/secpri.2003.1199323

Cited by 421 publications

(369 citation statements)

References 17 publications

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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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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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“…One of his conclusions is that traffic padding is essential to achieve communication anonymity. Danezis et al [5] give a list of attacks to anonymity systems. Most of those attacks are only briefly discussed and lack systematic analysis.…”

Section: Related Workmentioning

confidence: 99%

“…In both cases, the observation point of the adversary is located right in front of the receiver gateway and thus maximally far from the sender. Figure 5 (a) is a setup for experiments over our local campus network 5 . That is, the ping traffic goes through our local campus network before it reaches the sender's gateway.…”

Section: Experiments Over Campus and Wide Area Networkmentioning

confidence: 99%

Empirical and Theoretical Evaluation of Active Probing Attacks and Their Countermeasures

Graham

Xuan

et al. 2004

Information Hiding

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Abstract.A variety of remote sensing attacks allow adversaries to break flow confidentiality and gather mission-critical information in distributed systems. Such attacks are easily supplemented by active probing attacks, where additional workload (e.g., ping packets) is injected into the victim system. This paper presents statistical pattern recognition as a fundamental technology to evaluate the effectiveness of active probing attacks. Our theoretical analysis and empirical results show that even if sophisticated approaches of link padding are used, sample entropy of probing packets' round trip time is an effective and robust feature statistic to discover the user payload traffic rate, which is important for maintaining anonymous communication. Extensive experiments on local network, campus network, and the Internet were carried out to validate the system security predicted by the theoretical analysis. We give some guidelines to reduce the effectiveness of such active probing attacks.

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“…High-latency designs like Mixmaster [34] and Mixminion [11] can take hours to deliver messages, but because messages mix with each other they can withstand quite powerful attackers. These designs are not suitable for web surfing, which would be untenable with long latencies.…”

Section: Introductionmentioning

confidence: 99%

Building Incentives into Tor

Ngan

Dingledine

Wallach

2010

Financial Cryptography and Data Security

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Abstract. Distributed anonymous communication networks like Tor depend on volunteers to donate their resources. However, the efforts of Tor volunteers have not grown as fast as the demands on the Tor network. We explore techniques to incentivize Tor users to relay Tor traffic too; if users contribute resources to the Tor overlay, they should receive faster service in return. In our design, the central Tor directory authorities measure performance and publish a list of Tor relays that should be given higher priority when establishing circuits. Simulations of our proposed design show that conforming users receive significant improvements in performance, in some cases experiencing twice the network throughput of selfish users who do not relay traffic for the Tor network.

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Mixminion: design of a type III anonymous remailer protocol

Cited by 421 publications

References 17 publications

A Privacy-Aware Service Protocol for Ubiquitous Computing Environments

A Privacy-Aware Service Protocol for Ubiquitous Computing Environments

Empirical and Theoretical Evaluation of Active Probing Attacks and Their Countermeasures

Building Incentives into Tor

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