Committee 
Date Time 
Place 
Paper Title / Authors 
Abstract 
Paper # 
RECONF, VLD, CPSY, IPSJARC, IPSJSLDM [detail] 
20220125 09:30 
Online 
Online 
GPU acceleration of algorithm for minimal distance approximate calculation between two objects Masumi Fukuta, Takakazu Kurokawa, Takashi Matsubara, Keisuke Iwai (NDA) VLD202162 CPSY202131 RECONF202170 
(To be available after the conference date) [more] 
VLD202162 CPSY202131 RECONF202170 pp.7377 
EA, ASJH, EMM 
20201120 09:00 
Online 
Online 
[Poster Presentation]
Improving waveletsynchrosqueezing transform with calculating angular frequency using time shift Akira Kakutani, Takashi Matsubara, Keisuke Iwai, Takakazu Kurokawa (NDA) EA202021 EMM202036 
Timefrequency analysis is mainly used for analyzing acoustic signals. Shorttime Fourier transform by Allen, et al. and... [more] 
EA202021 EMM202036 pp.15 
IPSJSLDM, RECONF, VLD, CPSY, IPSJARC [detail] 
20200124 11:25 
Kanagawa 
Raiosha, Hiyoshi Campus, Keio University 
Implementation of high speed rainbow table generation using Keccak hashing algorithm on CUDA Nguyen Dat Thuong, Keisuke Iwai, Takashi Matsubara, Takakazu Kurokawa (NDA) VLD201984 CPSY201982 RECONF201974 
This paper proposes the implementation of high speed rainbow table generation using Keccak hashing algorithm with the in... [more] 
VLD201984 CPSY201982 RECONF201974 pp.181186 
HWS (2nd) 
20191206 16:00 
Tokyo 
Asakusabashi Hulic Conference 
[Poster Presentation]
Correlation power analysis and its countermeasure for lightweight ciphers LED and SKINNY implemented in SAKURAX FPGA Hayato Tanaka, Keisuke Iwai, Takashi Matsubara, Takakazu Kurokawa (NDA) 
[more] 

EA, ASJH, ASJAA 
20180724 13:00 
Hokkaido 
Hokkaido Univ. 
[Poster Presentation]
Denoising Method for Underwater Acoustic Signals by Using Hough Transform Yoshihiro Taira, Takashi Matsubara, Keisuke Iwai, Takakazu Kurokawa (NDA) EA201811 
Underwater acoustic signals are used in various fields such as marine environmental measurement, exploration of sea bott... [more] 
EA201811 pp.5964 
ISEC 
20160902 14:50 
Tokyo 
KikaiShinkoKaikan Bldg. 
Implementation of security evaluation function on a Development Environment of Cryptography using GUI Toshihiro Nakamura, Keisuke Iwai, Takashi Matsubara, Takakazu Kurokawa (NDA) ISEC201646 
Security evaluation on cryptography and cryptography development
are two sides of the same coin.
Security evaluation... [more] 
ISEC201646 pp.4956 
ISEC 
20160519 10:25 
Tokyo 
KikaiShinkoKaikan Bldg. 
IDS using Discrete Fourier Transform with window functions Yusuke Tsuge, Keisuke Iwai, Hidema Tanaka, Takakazu Kurokawa (NDA) ISEC20162 
An Intrusion Detection System (IDS) is countermeasure against network attack. There are mainly two types of detections; ... [more] 
ISEC20162 pp.511 
IT, ISEC, WBS 
20160310 13:40 
Tokyo 
The University of ElectroCommunications 
CollisionFree Rainbow Table Structure Yuki Tabata, Keisuke Iwai, Hidema Tanaka, Takakazu Kurokawa (NDA) IT2015114 ISEC201573 WBS201597 
Rainbow table is a method to crack the password in high speed from hash values. Collision of password candidates occurs,... [more] 
IT2015114 ISEC201573 WBS201597 pp.8188 
ISEC 
20151218 13:55 
Tokyo 
KikaiShinkoKaikan Bldg. 
Evaluation of authenticated encryptions implemented on FPGA with highlevel synthesis Makoto Kotegawa, Keisuke Iwai, Hidema Tanaka, Takakazu Kurokawa (NDA) ISEC201555 
Competition for Authenticated Encryption Security, Applicability, and Robustness (CAESAR) which is a development and eva... [more] 
ISEC201555 pp.916 
ISEC 
20150904 10:55 
Tokyo 
KikaiShinkoKaikan Bldg. 
Improvement of RainbowCrack Reduction Function Yuki Tabata, Keisuke Iwai, Hidema Tanaka, Takakazu Kurokawa (NDA) ISEC201526 
Rainbow table is a method to crack the password in high speed from hash values. Rainbow table can crack passwords only i... [more] 
ISEC201526 pp.914 
ISEC 
20150904 11:20 
Tokyo 
KikaiShinkoKaikan Bldg. 
High speed implementation of Hash function on GPU Nguyen Dat Thuong, Keisuke Iwai, Hidema Tanaka, Takakazu Kurokawa (NDA) ISEC201527 
In order to protect the personal information and high confidential information, encryption technology and hash function ... [more] 
ISEC201527 pp.1519 
IA, ICSS 
20150611 14:35 
Fukuoka 
Kyushu Institute of Technology Univ. 
An Efficient Rainbow Table Compression Yuki Tabata, Keisuke Iwai, Hidema Tanaka, Takakazu Kurokawa (NDA) IA20153 ICSS20153 
Rainbow table is a method to crack the password in high speed from hash values. Rainbow table can crack passwords only i... [more] 
IA20153 ICSS20153 pp.914 
ISEC 
20140905 15:35 
Tokyo 
KikaiShinkoKaikan Bldg. 
GPU implementation of Ciphers using Schematic to Program Translator(SPT) Masashi Watanabe, Keisuke Iwai, Hidema Tanaka, Takakazu Kurokawa (NDA) ISEC201452 
With the spread of heterogeneous computing, accelerators such as GPU are widely used. However, it is not easy to develop... [more] 
ISEC201452 pp.3542 
CPSY, DC (Joint) 
20140729 17:50 
Niigata 
Toki Messe, Niigata 
Development of Cipher implementation tool using GUI Masashi Watanabe, Keisuke Iwai, Hidema Tanaka, Takakazu Kurokawa (NDA) CPSY201431 
With the spread of heterogeneous computing, accelerators such as GPU are widely used. However, it
is not easy to write ... [more] 
CPSY201431 pp.125129 
ISEC 
20140509 14:40 
Tokyo 
KikaiShinkoKaikan Bldg. 
A Study of IDS using Discrete Fourier Transform Enkhbold Chimedtseren, Keisuke Iwai, Hidema Tanaka, Takakazu Kurokawa (NDA) ISEC20144 
Intrusion Detection System (IDS) detects an attack with an identifying pattern file which is known as called a signature... [more] 
ISEC20144 pp.2127 
ISEC 
20130523 13:45 
Tokyo 
KikaiShinkoKaikan Bldg. 
Information theoretical analysis of sidechannel attack (2) Hiroaki Mizuno, Keisuke Iwai, Hidema Tanaka, Takakazu Kurokawa (National Defense Academy) ISEC20133 
In the evaluation of sidechannel resistance, it is argued how many observation of physical phenomena which is caused by... [more] 
ISEC20133 pp.1522 
DC, CPSY (Joint) 
20120802 17:30 
Tottori 
Torigin Bunka Kaikan 
Proposal of performance model for block ciphers using GPGPU Naoki Nishikawa, Keisuke Iwai, Takakazu Kurokawa (NDA) CPSY201216 
In this paper, we present a prototype of performance model of block ciphers using GPGPU whose encryption latency is read... [more] 
CPSY201216 pp.4348 
VLD, CPSY, RECONF, IPSJSLDM [detail] 
20120126 12:40 
Kanagawa 
Hiyoshi Campus, Keio University 
Discussion of Performance Prediction Model for Symmetric Block Ciphers on CUDA Naoki Nishikawa, Keisuke Iwai, Takakazu Kurokawa (NDA) VLD2011112 CPSY201175 RECONF201171 
As the data protection with encryption becomes important day by day, the encryption processing using GPGPU has been noti... [more] 
VLD2011112 CPSY201175 RECONF201171 pp.123128 
DC, CPSY (Joint) 
20110729 11:10 
Kagoshima 

Fast Implementations of Symmetric Block Ciphers on CUDA Naoki Nishikawa, Keisuke Iwai, Takakazu Kurokawa (NDA) CPSY201113 
GPU as hardware with highcost performance has been noticed from almost all research fields. As the result, implementati... [more] 
CPSY201113 pp.2530 
RECONF, VLD, CPSY, IPSJSLDM [detail] 
20110118 10:20 
Kanagawa 
Keio Univ (Hiyoshi Campus) 
Evaluation of switchable AES Sbox circuit using dynamic and partial reconfiguration Naoko Yamada (Keio Univ.), Keisuke Iwai, Takakazu Kurokawa (NDA), Hideharu Amano (Keio Univ.) VLD2010102 CPSY201057 RECONF201071 
Recently, the threat of side channel attack to the hardware encryption circuits is increasing. In order
to cope with it... [more] 
VLD2010102 CPSY201057 RECONF201071 pp.127132 