Katsuyuki Okeya

Computer Science · Physical Sciences

17h-index1.1kcitations69works0.02yr avg
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Research Topics

Cryptography and Residue Arithmetic(43), Coding theory and cryptography(38), Cryptographic Implementations and Security(31), Cryptography and Data Security(29), Chaos-based Image/Signal Encryption(13)

Publications69 total

A Report on CHES 2011
IEICE Technical Report; IEICE Tech. Rep.·2011
Sole Inversion Precomputation for Elliptic Curve Scalar Multiplications
IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences·2010
Recursive Double-Size Modular Multiplications from Euclidean and Montgomery Multipliers
IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences·2010
広さ3の共同疎形式(Joint Sparse Form)
Lecture notes in computer science·2010
Width-3 Joint Sparse Form
Lecture notes in computer science·2010· 5 cited
Joint Sparse Forms with Twelve Precomputed Points
IEICE technical report. Speech·2009· 3 cited
Recursive Double-Size Modular Multiplications without Extra Cost for Their Quotients
Lecture notes in computer science·2009
Public Key Authentication with Memory Tokens
Lecture notes in computer science·2009· 2 cited
Faster Double-Size Bipartite Multiplication out of Montgomery Multipliers
IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences·2009· 3 cited
Bipartite modular multiplication with twice the bit-length of multipliers
International Journal of Information Security·2008· 2 cited
Short-Memory Scalar Multiplication for Koblitz Curves
IEEE Transactions on Computers·2008· 9 cited
Side Channel Analysis of Some Hash Based MACs: A Response to SHA-3 Requirements
Lecture notes in computer science·2008· 9 cited
Side Channel Attacks against Hash-Based MACs with PGV Compression Functions
IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences·2008· 2 cited
Digital Signatures Out of Second-Preimage Resistant Hash Functions
Lecture notes in computer science·2008· 53 cited
Skew Frobenius Map and Efficient Scalar Multiplication for Pairing–Based Cryptography
Lecture notes in computer science·2008· 25 cited
Montgomery Multiplication with Twice the Bit-Length of Multipliers
IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences·2008
A Black Hen Lays White Eggs
Lecture notes in computer science·2008· 3 cited
An Update on the Side Channel Cryptanalysis of MACs Based on Cryptographic Hash Functions
Lecture notes in computer science·2007· 11 cited
Differential Power Analysis on Countermeasures Using Binary Signed Digit Representations
ETRI Journal·2007· 3 citedOpen Access
All harmonic numbers less than 1014
Japan Journal of Industrial and Applied Mathematics·2007· 3 cited
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Frequent Co-authors

Camille Vuillaume(14), Tsuyoshi Takagi(13), Kouichi Sakurai(11), Erik Dahmen(6), Masayuki Yoshino(5), Dong‐Guk Han(3), Johannes Buchmann(2), Yasuyuki Nogami(2), Hidehiro Kato(2), Hirotaka Yoshida(2), Dai Watanabe(2), Kitahara Jun(2), Hongjun Wu(2), Özgül Küçük(2), Bart Preneel(2), Tetsu Iwata(2), Praveen Gauravaram(2), Tae Hyun Kim(2), Katja Schmidt-Samoa(1), C.M.T. Spahn(1)