International Association for Cryptologic Research

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2011-10-25
19:31 [PhD][New] Nishanth Chandran: Theoretical Foundations of Position-Based Cryptography

  Name: Nishanth Chandran
Topic: Theoretical Foundations of Position-Based Cryptography
Category: cryptographic protocols

Description: In this thesis, we initiate the study of cryptographic protocols where the identity, or other credentials and inputs, of a party are derived from its \\emph{geographic location}.\r\n\r\nWe start by considering the central task in this setting, i.e., securely verifying the position of a device. Despite much work in\r\nthis area, we show that in the Vanilla (or standard) model, this above task (i.e., of secure positioning) is impossible to achieve,\r\neven if we assume that the adversary is computationally bounded. In light of the above impossibility result, we then turn to\r\nDziembowski\'s Bounded Retrieval Model (a variant of Maurer\'s Bounded Storage Model) and formalize and construct information theoretically secure protocols for two fundamental tasks:\r\n\r\n\\begin{itemize}\r\n\\item[-]\r\nSecure Positioning; and\r\n\\item[-]\r\nPosition-Based Key Exchange.\r\n\\end{itemize}\r\n\r\nWe then show that these tasks are in fact {\\em universal\\/} in this setting -- we show how we can use them to realize Secure Multi-Party Computation.\r\n\r\nThe main contribution of this thesis is threefold: to place the problem of secure positioning on a sound theoretical footing; to\r\nprove a strong impossibility result that simultaneously shows the insecurity of previous attempts at the problem; and to present positive results showing that the bounded-retrieval framework is a fruitful one to study the foundations of position-based\r\ncryptography.\r\n\r\nThis thesis is based on joint works with Vipul Goyal, Ryan Moriarty, and Rafail Ostrovsky.[...]




2011-10-24
15:44 [Event][New] WMC2012: Third Workshop on Mathematical Cryptology

  Submission: 28 March 2012
Notification: 18 May 2012
From July 9 to July 11
Location: Castro Urdiales(Cantabria), Spain
More Information: http://wmc2012.unican.es


15:34 [Event][New] SCC2012: Third international conference on Symbolic Computation and Cryptography

  Submission: 28 March 2012
Notification: 18 May 2012
From July 11 to July 13
Location: Castro Urdiales(Cantabria), Spain
More Information: http://scc2012.unican.es


15:09 [Event][New] CHES 2012: 14th International Workshop on Cryptographic Hardware and Embedded Systems

  From September 9 to September 12
Location: Leuven, Belgium
More Information: http://www.iacr.org/workshops/ches/ches2012/




2011-10-22
15:52 [Event][New] ACE-2012: Third International Conference on Advances in Computer Engineering - ACE 20

  From June 7 to June 8
Location: Sheffield, UK
More Information: http://ace.theides.org/2012/


15:50 [Job][New] Post-Doc, Ben-Gurion university, Beer-Sheva, Israel

  My group is investigating the use of reactive secure multi-party computation in the cloud, we are also investigating anonymous communication, cryptography for sensor networks, cryptography based on complexity, and more.



2011-10-21
08:00 [Conf][FSE] FSE 2012 deadline: November 17, 11:59 AM UTC

  The submission server is open



2011-10-14
08:25 [Job][New] Post-Doc, University of British Columbia, Vancouver, Canada

  We have an immediate vacancy for a postdoctoral fellow at Laboratory for Education and Research in Secure Systems Engineering (LERSSE). The postdoctoral fellow will work closely with several PhD and Masters students as they conduct research in usable privacy and security.

The successful candidate will have substantial prior training in human computer interaction (HCI) and should have experience with usability evaluations, comparative evaluations, field research, and qualitative data analysis. Knowledge of the technical aspects of security systems is an asset; however, the priorities will be on skills necessary to perform both qualitative and quantitative research. While programming skills are not central to the position, some familiarity with software development and project management is needed.

We are looking specifically for a self-starter who is able to organize the research and lead the student researchers. Therefore, excellent communication and interpersonal skills are critical. Experience with collaborative research projects is beneficial. The successful candidate is expected to publish in international conferences and journals with the team of researchers on the project. This position is ideal for someone looking for a stepping stone to a faculty position as there are many aspects that are the same as a junior faculty position.

The University of British Columbia (UBC), established in 1908, is one of Canada’s leading research universities and is consistently highly ranked, including the most recent rank of 22nd in the world by Times Higher Education. UBC attracts 54,000 students from across Canada and 140 countries around the world.

Vancouver, Canada, is the great place to live, study, and work. It consistently ranks in the top 4 cities in the world. A survey by the Economist Intelligence Unit (EIU) has found that Vancouver is the world\'s best place to live.



2011-10-13
20:20 [Event][Update] Crypto 2012

  From August 19 to August 23
Location: Santa Barbara, USA


15:26 [Job][Update] 2 Ph.D. students, University of British Columbia, Vancouver, Canada

  There are two Ph.D. student positions available at the Laboratory for Education and Research in Secure Systems Engineering (LERSSE). Ph.D. students are accepted with full support in the form of research assistantships and positions are available for starting in September 2012. Application deadline is soon!

LERSSE is a world-class international multidisciplinary research group specializing in the following areas of computer security:

* Usable security (i.e., application of HCI methods to security)

* Web security

* Security and privacy of online social networks

* Distributed systems security

* Mobile device security

Besides usual training in computing, we are particularly interested in those applicants who have background or interest in applying methods of social science, cognitive science, psychology, and HCI to the domain of computer security.

LERSSE graduates commonly go on working for top hi-tech R&D and consulting companies in North and South America, Asia, Europe, and Middle East.

The University of British Columbia (UBC), established in 1908, is one of Canada’s leading research universities and is consistently highly ranked, including the most recent rank of 22nd in the world by Times Higher Education. UBC attracts 54,000 students from across Canada and 140 countries around the world.

Vancouver, Canada, is the great place to live, study, and work. It consistently ranks in the top 4 cities in the world. A survey by the Economist Intelligence Unit (EIU) has found that Vancouver is the world\'s best place to live.

For further details and application instructions, see http://lersse.ece.ubc.ca/apply



15:25 [Job][New] 2 Ph.D. students, University of British Columbia, Vancouver, Canada

  There are two Ph.D. student positions available at the Laboratory for Education and Research in Secure Systems Engineering (LERSSE). Ph.D. students are accepted with full support in the form of research assistantships and positions are available for starting in September 2012. Application deadline is soon!

LERSSE is a world-class international multidisciplinary research group specializing in the following areas of computer security:

* Usable security (i.e., application of HCI methods to security)

* Web security

• Security and privacy of online social networks

* Distributed systems security

* Mobile device security

Besides usual training in computing, we are particularly interested in those applicants who have background or interest in applying methods of social science, cognitive science, psychology, and HCI to the domain of computer security.

LERSSE graduates commonly go on working for top hi-tech R&D and consulting companies in North and South America, Asia, Europe, and Middle East.

The University of British Columbia (UBC), established in 1908, is one of Canada’s leading research universities and is consistently highly ranked, including the most recent rank of 22nd in the world by Times Higher Education. UBC attracts 54,000 students from across Canada and 140 countries around the world.

Vancouver, Canada, is the great place to live, study, and work. It consistently ranks in the top 4 cities in the world. A survey by the Economist Intelligence Unit (EIU) has found that Vancouver is the world\'s best place to live.

For further details and application instructions, see http://lersse.ece.ubc.ca/apply