Masahiko TAKENAKA


Experimental Evaluation on the Resistance of Latch PUFs Implemented on ASIC against FIB-Based Invasive Attacks
Naoya TORII Dai YAMAMOTO Masahiko TAKENAKA Tsutomu MATSUMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/01/01
Vol. E99-A  No. 1  pp. 118-129
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
PUFFIBRS-latch
 Summary | Full Text:PDF

Detailed Cost Estimation of CNTW Forgery Attack against EMV Signature Scheme
Tetsuya IZU Yumi SAKEMI Masahiko TAKENAKA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/11/01
Vol. E94-D  No. 11  pp. 2111-2118
Type of Manuscript:  Special Section PAPER (Special Section on Information and Communication System Security)
Category: 
Keyword: 
ISO/IEC 9796-2 signatureEMV signatureCNTW forgery attackcost estimation
 Summary | Full Text:PDF

Forgery Attacks on Time-Stamp, Signed PDF and X.509 Certificate
Kouichi ITOH Tetsuya IZU Wakaha OGATA Takeshi SHIMOYAMA Masahiko TAKENAKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/01/01
Vol. E92-A  No. 1  pp. 67-75
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Digital Signature
Keyword: 
Bleichenbacher's forgery attackRSASSA-PKCS-v1_5time-stampPDFX.509 certificateAcrobatAcrobat Reader
 Summary | Full Text:PDF

Design Optimization of a High-Speed, Area-Efficient and Low-Power Montgomery Modular Multiplier for RSA Algorithm
Shoichi MASUI Kenji MUKAIDA Masahiko TAKENAKA Naoya TORII 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/04/01
Vol. E88-C  No. 4  pp. 576-581
Type of Manuscript:  Special Section PAPER (Special Section on Low-Power LSI and Low-Power IP)
Category: Digital
Keyword: 
public key cryptosystemRSA algorithmMontgomery algorithmmodular multiplicationmultiplier-accumulator
 Summary | Full Text:PDF

Theoretical Analysis of χ2 Attack on RC6
Masahiko TAKENAKA Takeshi SHIMOYAMA Takeshi KOSHIBA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/01/01
Vol. E87-A  No. 1  pp. 28-36
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Symmetric Cipher
Keyword: 
RC6χ2 attacktransition matrix
 Summary | Full Text:PDF