Wed, May 19 AM Chair: Keita Emura (NICT) 10:00 - 10:50 |
(1) |
10:00-10:25 |
Card-based Cryptographic Protocols with a Standard Deck of Cards Using Private Operations |
Yoshifumi Manabe, Hibiki Ono (Kogakuin Univ) |
(2) |
10:25-10:50 |
Toward the proposal of Healthcare Information Exchange (HIE) system using blockchain |
Ryuji Ueno (Tsukuba Univ), Kazumasa Omote (Tsukuba Univ./NICT) |
|
10:50-11:05 |
Break ( 15 min. ) |
Wed, May 19 AM Chair: Tetsuya Izu (Fujitsu Labs.) 11:05 - 12:05 |
(3) |
11:05-11:35 |
[Invited Talk]
Six-Card Finite-Runtime XOR Protocol with Only Random Cut (from APKC 2020) |
Kodai Toyoda (Tohoku Univ.), Daiki Miyahara (Tohoku Univ./AIST), Takaaki Mizuki, Hideaki Sone (Tohoku Univ.) |
(4) |
11:35-12:05 |
[Invited Talk]
Efficient blockchain-based IoT firmware update considering distribution incentives (from IDC 2021) |
Tatsuhiro Fukuda (Tsukuba Univ.), Kazumasa Omote (Tsukuba Univ./NICT) |
|
- |
Lunch Break |
Wed, May 19 PM Chair: Takahiro Matsuda (AIST) 13:25 - 14:15 |
(5) |
13:25-13:50 |
Secure Chat and Storage Systems based on Searchable Encryption: Implementation and Evaluation |
Keita Emura, Sachiko Kanamori, Ryo Nojima (NICT), Yohei Watanabe (UEC/NICT) |
(6) |
13:50-14:15 |
Distinguishing and Forgery Attacks against Romulus-N and Romulus-M |
Makoto Habu (Nagoya Univ.), Kazuhiko Minematsu (NEC), Tetsu Iwata (Nagoya Univ.) |
|
14:15-14:30 |
Break ( 15 min. ) |
Wed, May 19 PM Chair: Shoichi Hirose (Univ. of Fukui) 14:30 - 16:00 |
(7) |
14:30-15:00 |
[Invited Talk]
Security Definitions on Time-Lock Puzzles (from ICISC 2020) |
Daiki Hiraga (Tokyo Tech), Keisuke Hara (Tokyo Tech/AIST), Masayuki Tezuka, Yusuke Yoshida, Keisuke Tanaka (Tokyo Tech) |
(8) |
15:00-15:30 |
[Invited Talk]
Efficiency and Accuracy Improvements of Secure Floating-Point Addition over Secret Sharing (from IWSEC 2020) |
Kota Sasaki (The Univ. of Tokyo), Koji Nuida (Kyushu Univ.) |
(9) |
15:30-16:00 |
[Invited Talk]
Simple Electromagnetic Analysis Against Activation Functions of Deep Neural Networks (from AIHWS 2020) |
Go Takatoi, Takeshi Sugawara, Kazuo Sakiyama (UEC), Yuko Hara-Azumi (Tokyo Tech), Yang Li (UEC) |