Wed, May 16
10:00 - 11:15 |
| (1) |
10:00-10:25 |
Hardness of Discrete Logarithm Problem Based on New Operation on Elliptic Curve over Finite Field and New Digital Signature |
Masaaki Shirase (FUN) |
| (2) |
10:25-10:50 |
Determining BLS Curves for Pairing over Efficient Tower of Extension Field |
Yuki Nanjo, Md. Al-Amin Khandaker (Okayama Univ.), Masaaki Shirase (Future Univ. Hakodate), Takuya Kusaka, Yasuyuki Nogami (Okayama Univ.) |
| (3) |
10:50-11:15 |
Improvements on Physical Zero-knowledge Proof for Kakuro |
Daiki Miyahara, Tatsuya Sasaki, Takaaki Mizuki, Hideaki Sone (Tohoku Univ.) |
| |
11:15-11:30 |
Break ( 15 min. ) |
Wed, May 16
11:30 - 12:30 |
| (4) |
11:30-12:00 |
[Invited Talk]
The Minimum Number of Cards in Practical Card-Based Protocols (from ASIACRYPT 2017) |
Daiki Miyahara (Tohoku Univ.), Yu-ichi Hayashi (NAIST), Takaaki Mizuki, Hideaki Sone (Tohoku Univ.) |
| (5) |
12:00-12:30 |
[Invited Talk]
Blockcipher-Based MACs: Beyond the Birthday Bound Without Message Length |
Yusuke Naito (Mitsubishi Electric) |
| |
12:30-14:00 |
Break ( 90 min. ) |
Wed, May 16
14:00 - 15:40 |
| (6) |
14:00-14:25 |
Analysis of the cryptocurrency network using darknet traffic |
Mitsuyoshi Imamura (Univ-Tsukuba/NomuraAM), Kazumasa Omote (Univ-Tsukuba) |
| (7) |
14:25-14:50 |
Survey on Tracking of Leaked NEM by Coincheck Incident |
Teppei Sato (Univ. of Tsukuba), Mitsuyoshi Imamura (Univ. of Tsukuba/NomuraAM), Kazumasa Omote (Univ. of Tsukuba) |
| (8) |
14:50-15:15 |
Act-Finding Survey on Cryptocurrency Exchanges in Japan and Overseas |
Tomoki Fujitani (Univ. of Tsukuba), Mitsuyoshi Imamura (Univ. of Tsukuba/NomuraAM), Kazumasa Omote (Univ. of Tsukuba) |
| (9) |
15:15-15:40 |
Consideration of Dynamic Operation in Secure Cloud Storage based on Network Coding |
Shun Watanabe (Univ. of Tsukuba), Tran Phon Thao (KDDI Labs), Kazumasa Omote (Univ. of Tsukuba) |
| |
15:40-16:00 |
Break ( 20 min. ) |
Wed, May 16
16:00 - 17:30 |
| (10) |
16:00-16:30 |
[Invited Talk]
Quantum Multicollision Finding Algorithm
-- from ASIACRYPT 2017 -- |
Akinori Hosoyamada, Yu Sasaki, Keita Xagawa (NTT) |
| (11) |
16:30-17:00 |
[Invited Talk]
New Key Recovery Attacks on Minimal Two-Round Even-Mansour Ciphers |
Takanori Isobe (Univ. of Hyogo), Kyoji Shibutani (Nagoya Univ.) |
| (12) |
17:00-17:30 |
[Invited Talk]
On the Untapped Potential of Encoding Predicates by Arithmetic Circuits and Their Applications (from ASIACRYPT 2017) |
Shuichi Katsumata (Univ. Tokyo) |
: i
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(to ISEC secretaries)