International Workshop
on Cryptographic Techniques and E-Commerce
(CrypTEC '99)
Program Schedule
| Monday 5 July 1999 |
Tuesday 6 July 1999 |
Wednesday 7 July 1999 |
Thursday 8 July 1999 |
| Time | Multi-Media
Conference Room Cheng Yick-Chi Building 4/F |
| 9:00 am | Roderick WONG Dean of Faculty of Science & Engineering Welcoming Remarks |
| 9:05 am | Horace IP Head of Department of Computer Science Opening Remarks |
| 9:15 am | Eric BREWER, Ian
GOLDBERG & David WAGNER Practical Computer Security (Tutorial) |
| 11:00 am | Coffee Break |
| 11:15 am | (Tutorial) continued ... |
| 12:00 pm | Lunch |
| 2:00 pm | Doug TYGAR Atomicity in Electronic Commerce (Tutorial) |
| 3:00 pm | Coffee Break |
| 3:15 pm | (Tutorial) continued ... |
| 6:00 pm | Reception City Top, 9/F Amenities Building, City University of Hong Kong |
PUBLIC SESSION
| Time | Multi-Media
Conference Room Cheng Yick-Chi Building 4/F |
|
| 9:30 am | H K CHANG President of City University of Hong Kong Welcoming Remarks |
|
| 9:40 am | K H LAU Director of Information Technology Services, The Government of Hong Kong SAR Opening Remarks |
|
| 9:50 am | C K SIN Legislative Councillor, (Information Technology) Opening Remarks |
|
| 10:00 am | Adi SHAMIR Building Secure Systems (Tutorial) |
|
| 11:00 am | Coffee Break | |
| 11:15 am | (Tutorial) continued ... | |
| 12:00 pm | Lunch | |
| 1:30 pm | Ronald
RIVEST Naming, Certificates, and Revocation (Plenary Talk) |
|
| 2:30 pm | Coffee Break | |
| Multi-Media
Conference Room Cheng Yick-Chi Building 4/F |
Room
Y4302 Academic Building Yellow Zone Level 4 |
|
| 2:45 pm | Jeffrey HOFFSTEIN*,
Daniel LIEMAN & Joseph H SILVERMAN Polynomial Rings and Efficient Public Key Authentication |
Guozhen XIAO*, Shimin
WEI, Kyoki IMMAMURA & Kwok-Yan LAM Algorithms for Determining the Linear Complexity of Binary Sequences with Period pn |
| 3:15 pm | Apol·lònia MARTÍNEZ
NADAL* & Josep Lluís FERRER GOMILA Proposal for a European Directive on a Common Framework for Electronic Signatures and Providers of Related Services: Comments and Critical Reflections |
Feng BAO* & Robert
H DENG An Efficient Fair Exchange Protocol with an Off-Line Semi-Trusted Third Party |
| 3:45 pm | Coffee Break | |
| 4:00 pm | Shih-Hsu CHANG*,
Fang-Hsuan CHENG & Wen-Hsing HSU The SEA Block Cipher Algorithm |
Shouhuai XU, Hong
ZHU* & Gendu ZHANG Digital Signature Schemes Based on Graph Isomorphism and any NP-Problem |
| 4:30 pm | T MOH* A Fast Public Key System with Signature and Master Key Functions |
Christopher J PAVLOVSKI
& Colin BOYD* Efficient Batch Signature Generation Using Tree Structures |
| 5:00 pm | Giampaolo BELLA* Modelling Security Protocols Based on Smart Cards |
Zichen LI, Zhongxian LI
& Yixian YANG* Modified the Harn Authentication Key Exchange Scheme |
| Time | Multi-Media
Conference Room Cheng Yick-Chi Building 4/F |
|
| 9:00 am | Adi SHAMIR The Security of Block Ciphers (Plenary Talk) |
|
| Multi-Media
Conference Room Cheng Yick-Chi Building 4/F |
Room
Y4302 Academic Building Yellow Zone Level 4 |
|
| 10:00 am | Lein HARN*, Hung-Yu LIN
& Guang GONG A Global Key Recovery System |
Shaoquan JIANG* &
Yufeng ZHENG Partial Key Escrow Monitoring Scheme |
| 10:30 am | Coffee Break | |
| 10:45 am | Sergio LOUREIRO* &
Refik MOLVA Function Hiding Based on Error Correcting Codes |
Shao-Hua TANG* &
Gang WEI Directed User Authentication Schemes |
| 11:15 am | Shunsuke ARAKI*,
Satoshi UEHARA & Kyoki IMAMURA A Unified Method for Realizing Three Types of Restricted Confirmer Signatures Using Nyberg-Rueppel Message Recovery Signatures |
Jian MA, Dongyang
LONG*, Weijia JIA, Shixian LI & Duanning ZHOU Improving System Security via Hyper-Codes Password Encryption |
| 11:45 am | Lein HARN* & Guang
GONG Elliptic Curve Digital Signatures and Accessories |
Adrian PERRIG* &
Dawn SONG Hash Visualization: A New Technique to Improve Real-World Security |
| 12:00 pm | Lunch | |
| 2:00 pm | Sightseeing Tour Leave at University Circle |
|
| Time | Multi-Media Conference Room Cheng Yick-Chi Building 4/F |
|
| 9:00 am | Doug
TYGAR Secure Auctions (Plenary Talk) |
|
| 10:30 am | Coffee Break | |
| Multi-Media Conference Room Cheng Yick-Chi Building 4/F |
Room
Y4302 Academic Building Yellow Zone Level 4 |
|
| 10:45 am | Josep
Lluís FERRER-GOMILA* & Llorenç Huguet i ROTGER An Efficient Asynchronous Protocol for Optimistic Certified Electronic Mail |
Sung-Ming
YEN*, Liang-Tai HO & Chiung-Ying HUANG Internet Micropayment Based on Unbalanced One-Way Binary Tree |
| 11:15 am | Shingo
MIYAZAKI & Kouichi SAKURAI* A Parallel Withstanding Attack with Forging Key Certificates on an Electronic Cash System Based on Message-Recovery Blind Digital Signatures |
Xuhua DING*
& Kefei CHEN A Secure Authorization Signature System |
| 11:45 am | Lianghai
YANG* & Kefei CHEN A New CA Structure Based on Group Signature |
Boyoung
LEE*, Miri JOO, Yeonyi CHOI & Dongho WON An Efficient Proxy-based Authentication Scheme for Mobile Environment |
| 12:00 pm | Lunch | |
| 1:30 pm | Goichiro
HANAOKA*, Tsuyoshi NISHIOKA, Yuliang ZHENG & Hideki IMAI An Optimized Credit-Payment System for Expressway Toll Collection Systems |
Shingo
MIYAZAKI & Kouichi SAKURAI* A Bulletin-Board Based Digital Auction Scheme with Bidding Down Strategy - Towards Anonymous Electronic Bidding without Anonymous Channels nor Trusted Centers |
| 2:00 pm | Adrian
PERRIG* Efficient Collaborative Key Management Protocols for Secure Autonomous Group Communication |
|
| 2:30 pm | Coffee Break | |
| 2:45 pm | Sung-Ming
YEN*, Jong-Ming LEE, Liang-Tai HO & Jack G LEE PayFair: A Prepaid Internet Micropayment Scheme Promising Customer Fairness |
Wen-Guey
TZENG* A Cryptographic Approach to World Wide Web Security |
| 3:15 pm | Yasushi
KAWAKURA*, Marvin SIRBU, Ian SIMPSON & J D TYGAR Flexible and Scalable Credential Structures: NetBill Implementation and Experience |
C H LEE,
Xiaotie DENG & Huafei ZHU* Deniable Encryption Schemes |
| 3:30 pm | Yongfei
HAN*, Jiang ZHANG & Peng-Chong TAN Efficient Elliptic Curve Cryptosystems |
Tak-Ming LAW* An Encryption Algorithm and Key-Stream Generator for Chinese Text Messages by Character Internal Code Structure |
| 3:45 pm | Shimin WEI*, Yubin
ZHANG, Guozhen XIAO & Kwok-Yan LAM Distribution of Linear Complexity for Periodic Sequences |
Xiaotie DENG, C H LEE
& Huafei ZHU* A Proposal for Secure Hash Algorithm |
| 4:00 pm | **Zong-Duo DAI, Ding-Yi
PEI, Jun Hui YANG & Ding-Feng YE Cryptanalysis of a Public Key Cryptosystem Based on Conic Curves |
Yupu HU,
Guoqiang BAI*, Guozhen XIAO & Kwok-Yan LAM On a Class of Logarithmic Sequences |
| 4:15 pm | Shingo
MIYAZAKI & Kouichi SAKURAI* Classification of Chaum-Fiat-Naor Paradigm Based Anonymous Electronic Cash Systems According to Vulnerability Against Insider-Attacks from Untrusted Authorities |
Kai CHEN*,
Yuqing ZHANG, Guozhen XIAO & Kwok-Yan LAM A Practical Efficient Anonymous Divisible E-Cash System |
| 4:45 pm | Yuqing
ZHANG*, Kai CHEN & Guozhen XIAO Automated Analysis of Cryptographic Protocol Using SMV |
N K BAO, W
H WONG*, Tianji WANG, Yaotang LI, Shining YANG, Shichao ZHANG, Shaowu FAN & Huanrong WEN Cryptogram in Digital Pixel Holography |
| 6:30 pm | Banquet Chinese Restaurant, 8/F Amenities Building, City University of Hong Kong |
|
*Paper Presenter
**Paper will be presented by Shaoquan JIANG
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