Yasuyuki NOGAMI


Linear Complexity of Geometric Sequences Defined by Cyclotomic Classes and Balanced Binary Sequences Constructed by the Geometric Sequences
Kazuyoshi TSUCHIYA Chiaki OGAWA Yasuyuki NOGAMI Satoshi UEHARA 
Publication:   
Publication Date: 2018/12/01
Vol. E101-A  No. 12  pp. 2382-2391
Type of Manuscript:  Special Section PAPER (Special Section on Signal Design and Its Applications in Communications)
Category: Cryptography and Information Security
Keyword: 
pseudorandom number generatorgeometric sequencelinear complexitybalance propertyinterleaved sequence
 Summary | Full Text:PDF(1.4MB)

Distribution of Digit Patterns in Multi-Value Sequence over the Odd Characteristic Field
Yuta KODERA Takeru MIYAZAKI Md. Al-Amin KHANDAKER Md. Arshad ALI Takuya KUSAKA Yasuyuki NOGAMI Satoshi UEHARA 
Publication:   
Publication Date: 2018/09/01
Vol. E101-A  No. 9  pp. 1525-1536
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
tracelegendre symbolNTU sequencedistribution of digit patterns
 Summary | Full Text:PDF(1.8MB)

An Extended Generalized Minimum Distance Decoding for Binary Linear Codes on a 4-Level Quantization over an AWGN Channel
Shunsuke UEDA Ken IKUTA Takuya KUSAKA Md. Al-Amin KHANDAKER Md. Arshad ALI Yasuyuki NOGAMI 
Publication:   
Publication Date: 2018/08/01
Vol. E101-A  No. 8  pp. 1235-1244
Type of Manuscript:  PAPER
Category: Coding Theory
Keyword: 
GMD decodingquantizationAWGNbinary linear codes
 Summary | Full Text:PDF(1.9MB)

Interleaved Sequences of Geometric Sequences Binarized with Legendre Symbol of Two Types
Kazuyoshi TSUCHIYA Yasuyuki NOGAMI Satoshi UEHARA 
Publication:   
Publication Date: 2017/12/01
Vol. E100-A  No. 12  pp. 2720-2727
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Sequences
Keyword: 
pseudorandom number generatorgeometric sequencebalance propertyinterleaved sequence
 Summary | Full Text:PDF(1.1MB)

An Improvement of Scalar Multiplication by Skew Frobenius Map with Multi-Scalar Multiplication for KSS Curve
Md. Al-Amin KHANDAKER Yasuyuki NOGAMI 
Publication:   
Publication Date: 2017/09/01
Vol. E100-A  No. 9  pp. 1838-1845
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
scalar multiplicationskew Frobenius mappingKSS curve
 Summary | Full Text:PDF(751.9KB)

Long Period Sequences Generated by the Logistic Map over Finite Fields with Control Parameter Four
Kazuyoshi TSUCHIYA Yasuyuki NOGAMI 
Publication:   
Publication Date: 2017/09/01
Vol. E100-A  No. 9  pp. 1816-1824
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
pseudorandom number generatorDickson generatorlogistic generatorlong period sequencelinear complexity profile
 Summary | Full Text:PDF(1.4MB)

Multi-Valued Sequences Generated by Power Residue Symbols over Odd Characteristic Fields
Begum NASIMA Yasuyuki NOGAMI Satoshi UEHARA Robert H. MOLEROS-ZARAGOZA 
Publication:   
Publication Date: 2017/04/01
Vol. E100-A  No. 4  pp. 922-929
Type of Manuscript:  Special Section PAPER (Special Section on Signal Design and Its Applications in Communications)
Category: Sequences
Keyword: 
geometric sequencemulti-valued sequenceodd characteristicprimitive polynomialLegendre symboltrace
 Summary | Full Text:PDF(965.5KB)

A Multi-Value Sequence Generated by Power Residue Symbol and Trace Function over Odd Characteristic Field
Yasuyuki NOGAMI Satoshi UEHARA Kazuyoshi TSUCHIYA Nasima BEGUM Hiroto INO Robert H. MOLEROS-ZARAGOZA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/12/01
Vol. E99-A  No. 12  pp. 2226-2237
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Sequences
Keyword: 
multi-value sequenceodd characteristicprimitive polynomialpower residue symboltracecross-correlation
 Summary | Full Text:PDF(1.7MB)

FPGA Implementation of Various Elliptic Curve Pairings over Odd Characteristic Field with Non Supersingular Curves
Yasuyuki NOGAMI Hiroto KAGOTANI Kengo IOKIBE Hiroyuki MIYATAKE Takashi NARITA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/04/01
Vol. E99-D  No. 4  pp. 805-815
Type of Manuscript:  Special Section PAPER (Special Section on Information and Communication System Security)
Category: Cryptography and cryptographic protocols
Keyword: 
elliptic curve cryptographypairing-based cryptographyodd characteristicFPGA implementation
 Summary | Full Text:PDF(1MB)

Dynamic Job Scheduling Method Based on Expected Probability of Completion of Voting in Volunteer Computing
Yuto MIYAKOSHI Shinya YASUDA Kan WATANABE Masaru FUKUSHI Yasuyuki NOGAMI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/12/01
Vol. E98-D  No. 12  pp. 2132-2140
Type of Manuscript:  Special Section PAPER (Special Section on Parallel and Distributed Computing and Networking)
Category: Grid System
Keyword: 
parallel computingdesktop gridsprobabilistic methodsabotage-tolerance
 Summary | Full Text:PDF(783.4KB)

A Geometric Sequence Binarized with Legendre Symbol over Odd Characteristic Field and Its Properties
Yasuyuki NOGAMI Kazuki TADA Satoshi UEHARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/12/01
Vol. E97-A  No. 12  pp. 2336-2342
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Sequence
Keyword: 
geometric sequenceodd characteristicprimitive polynomialLegendre symboltrace
 Summary | Full Text:PDF(592KB)

Rounding Logistic Maps over Integers and the Properties of the Generated Sequences
Takeru MIYAZAKI Shunsuke ARAKI Yasuyuki NOGAMI Satoshi UEHARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/09/01
Vol. E94-A  No. 9  pp. 1817-1825
Type of Manuscript:  PAPER
Category: Information Theory
Keyword: 
logistic maps over integersroundingperiodlink length
 Summary | Full Text:PDF(728.7KB)

An Improvement of Twisted Ate Pairing Efficient for Multi-Pairing and Thread Computing
Yumi SAKEMI Yasuyuki NOGAMI Shoichi TAKEUCHI Yoshitaka MORIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/06/01
Vol. E94-A  No. 6  pp. 1356-1367
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
twisted Ate pairingMiller's algorithmFrobenius mapmulti-pairingthread computing
 Summary | Full Text:PDF(414.9KB)

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: 
AESinversiontoweringconversion matrixbases
 Summary | Full Text:PDF(771KB)

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 fieldGauss period normal basisall one polynomial fieldcyclic vector multiplication algorithm
 Summary | Full Text:PDF(788.7KB)

A Relation between Self-Reciprocal Transformation and Normal Basis over Odd Characteristic Field
Shigeki KOBAYASHI Yasuyuki NOGAMI Tatsuo SUGIMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/11/01
Vol. E93-A  No. 11  pp. 1923-1931
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
self-reciprocal irreducible polynomialnormal basis
 Summary | Full Text:PDF(367KB)

Integer Variable χ-Based Cross Twisted Ate Pairing and Its Optimization for Barreto-Naehrig Curve
Yasuyuki NOGAMI Yumi SAKEMI Hidehiro KATO Masataka AKANE Yoshitaka MORIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/08/01
Vol. E92-A  No. 8  pp. 1859-1867
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Theory
Keyword: 
Ate pairingMiller's algorithm
 Summary | Full Text:PDF(280.6KB)

Finding a Basis Conversion Matrix via Prime Gauss Period Normal Basis
Yasuyuki NOGAMI Ryo NAMBA Yoshitaka MORIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/06/01
Vol. E92-A  No. 6  pp. 1500-1507
Type of Manuscript:  PAPER
Category: Information Theory
Keyword: 
public key cryptographyextension fieldGauss period normal basisbasis conversion
 Summary | Full Text:PDF(299.9KB)

Fast Ate Pairing Computation of Embedding Degree 12 Using Subfield-Twisted Elliptic Curve
Masataka AKANE Yasuyuki NOGAMI Yoshitaka MORIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/02/01
Vol. E92-A  No. 2  pp. 508-516
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
Ate pairingtwistsubfield arithmetic operationfast computing
 Summary | Full Text:PDF(298.6KB)

A Multiplication Algorithm in Fpm Such That p>m with a Special Class of Gauss Period Normal Bases
Hidehiro KATO Yasuyuki NOGAMI Tomoki YOSHIDA Yoshitaka MORIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/01/01
Vol. E92-A  No. 1  pp. 173-181
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Mathematics
Keyword: 
extension fieldpublic-key cryptographyfast implementationGauss period normal basesoptimal normal basis
 Summary | Full Text:PDF(217KB)

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 pairingBN curvescalar multiplicationFrobenius mappingtwisted subfield computation
 Summary | Full Text:PDF(574.7KB)

Zero Correlation Distribution of ZCZ Sequences Obtained from a Perfect Sequence and a Unitary Matrix
Satoshi UEHARA Shuichi JONO Yasuyuki NOGAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/12/01
Vol. E91-A  No. 12  pp. 3745-3748
Type of Manuscript:  Special Section LETTER (Special Section on Signal Design and its Applications in Communications)
Category: Sequence
Keyword: 
zero-correlation zoneZCZ sequenceperfect sequenceunitary matrixzero correlation distribution
 Summary | Full Text:PDF(83.1KB)

A Necessary Condition for Gauss Period Normal Bases to Be the Same Normal Basis
Yasuyuki NOGAMI Ryo NAMBA Yoshitaka MORIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/04/01
Vol. E91-A  No. 4  pp. 1229-1232
Type of Manuscript:  LETTER
Category: Cryptography and Information Security
Keyword: 
Gauss period normal basistrace
 Summary | Full Text:PDF(77.5KB)

An Efficient Square Root Computation in Finite Fields GF(p2d)
Feng WANG Yasuyuki NOGAMI Yoshitaka MORIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/10/01
Vol. E88-A  No. 10  pp. 2792-2799
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Cryptography and Information Security
Keyword: 
square rootfinite fieldsquadratic residue
 Summary | Full Text:PDF(211.2KB)

Fast Implementation of Extension Fields with TypeII ONB and Cyclic Vector Multiplication Algorithm
Yasuyuki NOGAMI Shigeru SHINONAGA Yoshitaka MORIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/05/01
Vol. E88-A  No. 5  pp. 1200-1208
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
extension fieldpublic-key cryptosystemfast implementationoptimal extension fieldoptimal normal basis
 Summary | Full Text:PDF(181.4KB)

Finite Extension Field with Modulus of All-One Polynomial and Representation of Its Elements for Fast Arithmetic Operations
Yasuyuki NOGAMI Akinori SAITO Yoshitaka MORIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/09/01
Vol. E86-A  No. 9  pp. 2376-2387
Type of Manuscript:  PAPER
Category: Information Theory
Keyword: 
optimal extension fieldFrobenius mappingnormal basisinversion
 Summary | Full Text:PDF(328.7KB)