Concept

Anonymous (collectif)

Publications associées (19)

Proactively Accountable Anonymous Messaging in Verdict

Bryan Alexander Ford, Henry Nathaniel Corrigan-Gibbs

Among anonymity systems, DC-nets have long held attraction for their resistance to traffic analysis attacks, but practical implementations remain vulnerable to internal disruption or “jamming” attacks, which require time-consuming detection procedures to r ...

2013

Dissent in Numbers: Making Strong Anonymity Scale

Bryan Alexander Ford, Henry Nathaniel Corrigan-Gibbs

Current anonymous communication systems make a trade-off between weak anonymity among many nodes, via onion routing, and strong anonymity among few nodes, via DC-nets. We develop novel techniques in Dissent, a practical group anonymity system, to increase ...

2012

Quantifying Location Privacy: The Case of Sporadic Location Exposure

Jean-Yves Le Boudec, Jean-Pierre Hubaux, Reza Shokri, Georgios Theodorakopoulos

Mobile users expose their location to potentially untrusted entities by using location-based services. Based on the frequency of location exposure in these applications, we divide them into two main types: Continuous and Sporadic. These two location exposu ...

Springer-Verlag Berlin2011

Dissent: Accountable Group Anonymity

Bryan Alexander Ford, Henry Nathaniel Corrigan-Gibbs

Users often wish to participate in online groups anonymously, but misbehaving users may abuse this anonymity to disrupt the group. Messaging protocols such as Mix-nets and DC-nets leave online groups vulnerable to denial-of-service and Sybil attacks, while ...

2010

What Can Be Implemented Anonymously?

Rachid Guerraoui, Eric Ruppert

Abstract. The vast majority of papers on distributed computing assume that processes are assigned unique identifiers before computation begins. But is this assumption necessary? What if processes do not have unique identifiers or do not wish to divulge the ...

2005

Scrambling for Anonymous Visual Communications

Touradj Ebrahimi

In this paper, we present a system for anonymous visual communications. Target application is an anonymous video chat. The system is identifying faces in the video sequence by means of face detection or skin detection. The corresponding regions are subsequ ...

IEEE2005

What Can Be Implemented Anonymously?

Rachid Guerraoui, Eric Ruppert

The vast majority of papers on distributed computing assume that processes are assigned unique identifiers before computation begins. But is this assumption necessary? What if processes do not have unique identifiers or do not wish to divulge them for reas ...

2004

Accountable Anonymous Access to Services in Mobile Communication Systems

Jean-Pierre Hubaux, Levente Buttyan

We introduce a model that allows anonymous yet accountable access to services in mobile communication systems. This model is based on the introduction of a new business role, called the customer care agency, and a ticket based mechanism for service access. ...

1999

Accountable Anonymous Service Usage in Mobile Communication Systems

Jean-Pierre Hubaux, Levente Buttyan

We introduce a model that allows of anonymous yet accountable service usage in mobile communication systems. This model is based on the introduction of a new business role, called the customer care agency, and a ticket based mechanism for service access. W ...

1999

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