PPT-PIR-Tor: Scalable Anonymous Communication Using Private Information Retrieval

Prateek Mittal Femi Olumofin Carmela Troncoso Nikita Borisov Ian Goldberg Presented by Justin Chester Background Tor Anonymous Routing PIR Private Information Retrieval Related Work PIRTor. CSC . 575. Intelligent Information Retrieval. 2. Source: . Intel. How much information?. Google: . ~100 . PB a . day; 3+ million servers (15 . Exabytes. stored). Wayback Machine has . ~9 . PB + . 100 . Olufemi Odegbile. Motivation. Client-Server . model of information storage and . retrieval. Consumers can anonymously accessed published information using anonymous techniques like crowd or mixes (anonymous routing).. Radu Sion, Bogdan Carbunar. Presented by . Sultan Moukli. 1. Agenda . Introduction. Privacy information retrieval. Building Blocks . Fast modular arithmetic. Quadratic Residuosity PIR . cPIR. Key size . Aggelos. . Kiayias. , . Nikos. Leonardos, Helger Lipmaa, . Kateryna. . Pavlyk. and . Qiang. Tang. Estonian Theory Days, Oct 2, 2015. motivation. I am . boooored. I want to watch a movie. Bob sells them!. There are many existing anonymous communication solutions each having advantages and disadvantages and most importantly – their own user base.. The goal of this project is to create an infrastructure which these various solutions can be combined via a generic anonymous network protocol.. ChengXiang. (“Cheng”) . . Zhai. Department of Computer Science. University of Illinois at Urbana-Champaign. http://www.cs.uiuc.edu/homes/czhai. . Email: czhai@illinois.edu. 1. Yahoo!-DAIS Seminar, UIUC. Hongning. Wang. CS@UVa. What is information retrieval?. CS6501: Information Retrieval. CS@UVa. 2. Why information retrieval . Information overload. “. It refers to the . difficulty. a person can have understanding an issue and making decisions that can be caused by the presence of . All slides ©Addison Wesley, 2008. How Much Data is Created Every . Minute?. Source: . https. ://www.domo.com/blog/2012/06/how-much-data-is-created-every-minute/. The Search Problem. Search and Information Retrieval. What is IR?. Sit down before fact as a little child, . be prepared to give up every conceived notion, . follow humbly wherever and whatever abysses nature leads, . or you will learn nothing. . . -- Thomas Huxley --. Fatemeh. Azimzadeh. Books. (Manning et al., 2008). Christopher D. Manning, . Prabhakar. . Raghavan. , and . Hinrich. . Schütze. . Introduction to Information Retrieval. Cambridge University Press, 2008. . Amir . Houmansadr. CS660: Advanced Information Assurance. Spring 2015. Content may be borrowed from other resources. . See the last slide for acknowledgements!. AOL search data scandal (2006). #4417749:. Amir . Houmansadr. CS660: Advanced Information Assurance. Spring . 2015. Content may be borrowed from other resources. . See the last slide for acknowledgements!. Classes of Information Hiding. Digital watermarking. Large scale computing systems. Scalability . issues. Low level and high level communication abstractions in scalable systems. Network interface . Common techniques for high performance communication. Chapter-8. KEC, . Dhapakhel. 1. Big Data. Big Data applies to information that can’t be processed or analyzed using traditional processes or tools.. 2. Techniques for Voluminous Data. Cloud Computing is an efficient method to balance between...