Multi-party and distributed private messaging

In this thesis, I extend private messaging systems by designing multi-party private messaging models and contribute to the implementation of a distributed private messaging system. Private communication is of increasing interest yet current state-of-the- art adopted solutions are inadequate in providing both scale and privacy. Most current communication methods leak metadata or are susceptible to traffic analysis in spite of end-to-end encryption. Vuvuzela is a foundational private messaging system helps reconcile these two concerns. This project builds on Vuvuzela by introducing three group messaging models. These models tradeoff support for multi-party messaging with network bandwidth and latency. Additionally, this work describes the implementation and evaluation of key aspects of a distributed private messaging system, Stadium. This new system scales to more users while keeping server costs down to promote the adoption of private messaging as a more feasible practice. Keywords. Privacy, Deniability, Messaging, Multi-party, Distributed Systems.

Department dc:contributor.department

Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science.

Grantor dc:publisher

Massachusetts Institute of Technology

Year dc:date.issued

2016

Author dc:creator

• Nagaraj, Pratheek (Pratheek B.)

Advisor dc:contributor.advisor

• Matei Zaharia.

• Electrical Engineering and Computer Science.

Statement dc:rights

• M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission.

Licence dc:rights.uri

• http://dspace.mit.edu/handle/1721.1/7582

Language dc:language.iso

eng

Handle dc:identifier.uri

http://hdl.handle.net/1721.1/105971

OAI identifier oai:identifier

oai:dspace.mit.edu:1721.1/105971