Yu-ichi HAYASHI


Pile-Shifting Scramble for Card-Based Protocols
Akihiro NISHIMURA Yu-ichi HAYASHI Takaaki MIZUKI Hideaki SONE 
Publication:   
Publication Date: 2018/09/01
Vol. E101-A  No. 9  pp. 1494-1502
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
card-based protocolscard gamescryptography without computersreal-life hands-on cryptographysecure multiparty computations
 Summary | Full Text:PDF(1.1MB)

Electromagnetic Analysis against Public-Key Cryptographic Software on Embedded OS
Hajime UNO Sho ENDO Naofumi HOMMA Yu-ichi HAYASHI Takafumi AOKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/07/01
Vol. E98-B  No. 7  pp. 1242-1249
Type of Manuscript:  Special Section PAPER (Special Section on Electromagnetic Compatibility Technology in Conjunction with Main Topics of EMC'14/Tokyo)
Category: 
Keyword: 
EM information securityside-channel attackembedded OSelectromagnetic analysisRSA softwarechosen-message simple electromagnetic analysis
 Summary | Full Text:PDF(4.5MB)

Securely Computing Three-Input Functions with Eight Cards
Takuya NISHIDA Yu-ichi HAYASHI Takaaki MIZUKI Hideaki SONE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/06/01
Vol. E98-A  No. 6  pp. 1145-1152
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
card-based protocolscard gamescryptography without computerssecure computations
 Summary | Full Text:PDF(403.6KB)

An Adaptive Multiple-Fault Injection Attack on Microcontrollers and a Countermeasure
Sho ENDO Naofumi HOMMA Yu-ichi HAYASHI Junko TAKAHASHI Hitoshi FUJI Takafumi AOKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/01/01
Vol. E98-A  No. 1  pp. 171-181
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Foundation
Keyword: 
embedded microcontrollerscryptographic softwarefault injection attacks
 Summary | Full Text:PDF(3.3MB)

Investigation of Noise Interference due to Connector Contact Failure in a Coaxial Cable
Yu-ichi HAYASHI Takaaki MIZUKI Hideaki SONE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/09/01
Vol. E97-C  No. 9  pp. 900-903
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
contact failureloose contactelectromagnetic interference
 Summary | Full Text:PDF(521.8KB)

Study on Information Leakage of Input Key due to Frequency Fluctuation of RC Oscillator in Keyboard
Masahiro KINUGAWA Yu-ichi HAYASHI Takaaki MIZUKI Hideaki SONE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/10/01
Vol. E96-B  No. 10  pp. 2633-2638
Type of Manuscript:  PAPER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
EM information leakageintegrated oscillatorinformation securityRC oscillator
 Summary | Full Text:PDF(1.1MB)

Evaluation of Resistance and Inductance of Loose Connector Contact
Kazuya UEHARA Yu-ichi HAYASHI Takaaki MIZUKI Hideaki SONE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/09/01
Vol. E96-C  No. 9  pp. 1148-1150
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
loose contacttrue contactTDR
 Summary | Full Text:PDF(827.7KB)

Mechanism of Increase in Inductance at Loosened Connector Contact Boundary
Kazuki MATSUDA Yu-ichi HAYASHI Takaaki MIZUKI Hideaki SONE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/09/01
Vol. E95-C  No. 9  pp. 1502-1507
Type of Manuscript:  Special Section PAPER (Special Section on Recent Development of Electro-Mechanical Devices - Papers selected from International Session on Electro-Mechanical Devices 2011 (IS-EMD2011) and other recent research results -)
Category: 
Keyword: 
contact failureloose contactTDRinductance
 Summary | Full Text:PDF(827.7KB)

Evaluation of Information Leakage from Cryptographic Hardware via Common-Mode Current
Yu-ichi HAYASHI Naofumi HOMMA Takaaki MIZUKI Takeshi SUGAWARA Yoshiki KAYANO Takafumi AOKI Shigeki MINEGISHI Akashi SATOH Hideaki SONE Hiroshi INOUE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/06/01
Vol. E95-C  No. 6  pp. 1089-1097
Type of Manuscript:  PAPER
Category: Electronic Components
Keyword: 
information securityelectromagnetic information leakagecryptographic modulesside-channel attackscommon-mode currents
 Summary | Full Text:PDF(2.3MB)

Analysis of Electromagnetic Radiation from Transmission Line with Loose Contact of Connector
Yu-ichi HAYASHI Takaaki MIZUKI Hideaki SONE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/09/01
Vol. E94-C  No. 9  pp. 1427-1430
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
contact failureloose contactcommon-mode current
 Summary | Full Text:PDF(1.1MB)

Contact Conditions in Connectors that Cause Common Mode Radiation
Yu-ichi HAYASHI Yoshiki KAYANO Takaaki MIZUKI Hideaki SONE Hiroshi INOUE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/09/01
Vol. E94-C  No. 9  pp. 1369-1374
Type of Manuscript:  Special Section PAPER (Special Section on Recent Development of Electro-Mechanical Devices – Papers selected from International Session on Electro-Mechanical Devices (IS-EMD2010) and other research results –)
Category: 
Keyword: 
cable television internetcoaxial transmission linecommon-mode currentcontact failureelectromagnetic interference
 Summary | Full Text:PDF(1.7MB)

The Effect of Position of a Connector Contact Failure on Electromagnetic Near-Field around a Coaxial Cable
Yu-ichi HAYASHI Hideaki SONE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/06/01
Vol. E92-B  No. 6  pp. 1969-1973
Type of Manuscript:  Special Section PAPER (Special Section on 3rd Pan-Pacific EMC Joint Meeting -- PPEMC'08--)
Category: 
Keyword: 
contact failureelectromagnetic interferenceCATV internetcoaxial cable
 Summary | Full Text:PDF(1.1MB)

Fundamental Measurement of Electromagnetic Field Radiated from a Coaxial Transmission Line Caused by Connector Contact Failure
Yu-ichi HAYASHI Hideaki SONE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/08/01
Vol. E91-C  No. 8  pp. 1306-1312
Type of Manuscript:  Special Section PAPER (Special Section on Recent Development of Electromechanical Devices(Selected Papers from IS-EMD2007))
Category: Signal Transmission
Keyword: 
contact failureelectromagnetic interferenceCATV internetcoaxial transmission line
 Summary | Full Text:PDF(1.2MB)