Final Conference Program (New!)

Monday, July 2, 2007

11:30 -	Registration
13:15 - 13:30	Opening
[Invited Talk I] [Chair: Eiji Okamoto]
13:30 - 14:30	Bilinear Groups of Composite Order - Dan Boneh (Stanford University, USA)
14:30 - 15:00	Break
[Applications] [Chair: Tetsuya Izu]
15:00 - 15:30	Public Key Encryption with Conjunctive Keyword Search and Its Extension to a Multi-User System - Yong Ho Hwang (Johns Hopkins University, USA), Pil Joong Lee (POSTECH, Korea)
15:30 - 16:00	Practical Time Capsule Signatures in the Standard Model from Bilinear Maps - Benoit Libert, Jean-Jacques Quisquater (UCL Crypto Group, Belgium)
16:00 - 16:30	Fully Collusion Secure Dynamic Broadcast Encryption with Constant-Size Ciphertexts or Decryption Keys - Cecile Delerablee (Orange, France), Pascal Paillier (Gemalto, France) and David Pointcheval (ENS/CNRS, France)
16:30 - 17:00	Break
[Certificateless Public Key Encryption] [Chair: Goichiro Hanaoka]
17:00 - 17:30	Certificateless Public Key Encryption in the Selective-ID Security Model (Without Random Oracles) - Jong Hwan Park, Kyu Young Choi, Yung Yeon Hwang, Dong Hoon Lee (Korea University, Korea)
17:30 - 18:00	General and Efficient Certificateless Public Key Encryption Constructions - Zhaohui Cheng (Middlesex University, UK), Liqun Chen (HP Laboratories, UK), Li Ling (Fudan University, China), Richard Comley (Middlesex University, UK)
18:00 - 20:00	Reception Dinner

Tuesday, July 3, 2007

[Invited Talk II] [Chair: Tsuyoshi Takagi]
09:30 - 10:30	Hyperelliptic Pairings - Steven Galbraith (Royal Holloway University of London, UK)
10:30 - 11:00	Break
[Hyperelliptic Curves] [Chair: Jinhui Chao]
11:00 - 11:30	Zeta Function and Cryptographic Exponent of Supersingular Curves of Genus 2 - Gabriel Cardona (Universitat de les Illes Balears, Spain), Enric Nart (Universitat Autonoma de Barcelona, Spain)
11:30 - 12:00	Constructing Pairing-Friendly Genus 2 Curves with Ordinary Jacobians - David Freeman (University of California, Berkeley, USA)
12:00 - 13:30	Lunch
[Invited Talk III] [Chair: Victor Miller]
13:30 - 14:30	Implementing Cryptographic Pairings - Michael Scott (Dublin City University, Ireland)
14:30 - 15:00	Break
[Implementation] [Chair: Tanja Lange]
15:00 - 15:30	Implementing Cryptographic Pairings Over Barreto-Naehrig Curves - Augusto Jun Devegili (UNICAMP, Brazil), Michael Scott (Dublin City University, Ireland), Ricardo Dahab (UNICAMP, Brazil)
15:30 - 16:00	Instruction Set Extensions for Pairing-Based Cryptography - Tobias Vejda (Graz University of Technology, Austria), Dan Page, Johann Groszschaedl (University of Bristol, UK)
16:00 - 16:30	The Importance of the Final Exponentiation in Pairings when Considering Fault Attacks - Claire Whelan, Michael Scott (Dublin City University, Ireland)
16:30 - 17:00	Break
[Protocol I] [Chair: Jun Furukawa]
17:00 - 17:30	Proxy Re-encryption Systems for Identity-Based Encryption - Toshihiko Matsuo (NTT Data, Japan)
17:30 - 18:00	Fair Blind Signatures Revisited - Emeline Hufschmitt, Jacques Traore (France Telecom R&D, France)
19:00 - 21:00	Banquet (30 minutes by bus)

Wednesday, July 4, 2007

[Invited Talks IV] [Chair: Tatsuaki Okamoto]
09:30 - 10:30	Supersingular Elliptic Curves in Cryptography - Alfred Menezes (University of Waterloo, Canada)
10:30 - 11:00	Break
[Analysis] [Chair: Hyang-Sook Lee]
11:00 - 11:30	On the Minimal Embedding Field - Laura Hitt (University of Texas at Austin, USA)
11:30 - 12:00	Remarks on Cheon's Algorithms for Pairing-Related Problems - Shunji Kozaki, Taketeru Kutsuma, Kazuto Matsuo (Institute of Information Security, Japan)
12:00 - 13:30	Lunch
[Invited Talk V] [Chair: Takeshi Okamoto]
13:30 - 14:30	On Pairing Inversion Problems - Takakazu Satoh (Tokyo Institute of Technology, Japan)
14:30 - 15:00	Break
[Algorithms] [Chair: Michael Jacobson]
15:00 - 15:30	The Tate Pairing Via Elliptic Nets - Katherine E. Stange (Brown University, USA)
15:30 - 16:00	Eta Pairing Computation on General Divisors over Hyperelliptic Curves $y^2 = x^7-x \pm 1$ - Eunjeong Lee (Korea Institute for Advanced Study, Korea), Hyang-Sook Lee (Ewha Womans University, Korea), Yoonjin Lee (Simon Fraser University, Canada)
[Protocol II] [Chair: Tetsutaro Kobayashi]
16:00 - 16:30	Provably Secure Pairing-based Convertible Undeniable Signature with Short Signature Length - Xinyi Huang, Yi Mu, Willy Susilo, Wei Wu (University of Wollongong, Australia)
16:30 - 17:00	Identity-Based Multi-Encryption: How to Decrypt Multiple Ciphertexts Using a Single Decryption Key - Fuchun Guo (Fujian Normal University, China), Yi Mu (University of Wollongong, Australia), Zhide Chen (Fujian Normal University, China)
17:00	Adjourn