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IEICE Trans

Kenta NEKADO

Mixed Bases for Efficient Inversion in F((22)2)2 and Conversion Matrices of SubBytes of AES
Yasuyuki NOGAMI Kenta NEKADO Tetsumi TOYOTA Naoto HONGO Yoshitaka MORIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/06/01
Vol. E94-A  No. 6  pp. 1318-1327
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
AES, inversion, towering, conversion matrix, bases, 
 Summary | Full Text:PDF
Cyclic Vector Multiplication Algorithm and Existence Probability of Gauss Period Normal Basis
Kenta NEKADO Yasuyuki NOGAMI Hidehiro KATO Yoshitaka MORIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/01/01
Vol. E94-A  No. 1  pp. 172-179
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Mathematics
Keyword: 
extension field, Gauss period normal basis, all one polynomial field, cyclic vector multiplication algorithm, 
 Summary | Full Text:PDF
Scalar Multiplication Using Frobenius Expansion over Twisted Elliptic Curve for Ate Pairing Based Cryptography
Yasuyuki NOGAMI Yumi SAKEMI Takumi OKIMOTO Kenta NEKADO Masataka AKANE Yoshitaka MORIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/01/01
Vol. E92-A  No. 1  pp. 182-189
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Mathematics
Keyword: 
Ate pairing, BN curve, scalar multiplication, Frobenius mapping, twisted subfield computation, 
 Summary | Full Text:PDF