| 2009 |
|---|
| 45 | EE | Masayuki Yoshino,
Katsuyuki Okeya,
Camille Vuillaume:
Recursive Double-Size Modular Multiplications without Extra Cost for Their Quotients.
CT-RSA 2009: 340-356 |
| 2008 |
|---|
| 44 | EE | Yumi Sakemi,
Yasuyuki Nogami,
Katsuyuki Okeya,
Hidehiro Katou,
Yoshitaka Morikawa:
Skew Frobenius Map and Efficient Scalar Multiplication for Pairing-Based Cryptography.
CANS 2008: 226-239 |
| 43 | EE | Masayuki Yoshino,
Katsuyuki Okeya,
Camille Vuillaume:
A Black Hen Lays White Eggs.
CARDIS 2008: 74-88 |
| 42 | EE | Praveen Gauravaram,
Katsuyuki Okeya:
Side Channel Analysis of Some Hash Based MACs: A Response to SHA-3 Requirements.
ICICS 2008: 111-127 |
| 41 | EE | Erik Dahmen,
Katsuyuki Okeya,
Tsuyoshi Takagi,
Camille Vuillaume:
Digital Signatures Out of Second-Preimage Resistant Hash Functions.
PQCrypto 2008: 109-123 |
| 40 | EE | Camille Vuillaume,
Katsuyuki Okeya,
Erik Dahmen,
Johannes Buchmann:
Public Key Authentication with Memory Tokens.
WISA 2008: 84-98 |
| 39 | EE | Camille Vuillaume,
Katsuyuki Okeya,
Tsuyoshi Takagi:
Short-Memory Scalar Multiplication for Koblitz Curves.
IEEE Trans. Computers 57(4): 481-489 (2008) |
| 38 | EE | Katsuyuki Okeya:
Side Channel Attacks against Hash-Based MACs with PGV Compression Functions.
IEICE Transactions 91-A(1): 168-175 (2008) |
| 37 | EE | Masayuki Yoshino,
Katsuyuki Okeya,
Camille Vuillaume:
Montgomery Multiplication with Twice the Bit-Length of Multipliers.
IEICE Transactions 91-A(1): 203-210 (2008) |
| 2007 |
|---|
| 36 | EE | Masayuki Yoshino,
Katsuyuki Okeya,
Camille Vuillaume:
Double-Size Bipartite Modular Multiplication.
ACISP 2007: 230-244 |
| 35 | EE | Erik Dahmen,
Katsuyuki Okeya,
Daniel Schepers:
Affine Precomputation with Sole Inversion in Elliptic Curve Cryptography.
ACISP 2007: 245-258 |
| 34 | EE | Johannes Buchmann,
Erik Dahmen,
Elena Klintsevich,
Katsuyuki Okeya,
Camille Vuillaume:
Merkle Signatures with Virtually Unlimited Signature Capacity.
ACNS 2007: 31-45 |
| 33 | EE | Hirotaka Yoshida,
Dai Watanabe,
Katsuyuki Okeya,
Jun Kitahara,
Hongjun Wu,
Özgül Küçük,
Bart Preneel:
MAME: A Compression Function with Reduced Hardware Requirements.
CHES 2007: 148-165 |
| 32 | EE | Praveen Gauravaram,
Katsuyuki Okeya:
An Update on the Side Channel Cryptanalysis of MACs Based on Cryptographic Hash Functions.
INDOCRYPT 2007: 393-403 |
| 31 | EE | Erik Dahmen,
Katsuyuki Okeya,
Tsuyoshi Takagi:
A New Upper Bound for the Minimal Density of Joint Representations in Elliptic Curve Cryptosystems.
IEICE Transactions 90-A(5): 952-959 (2007) |
| 2006 |
|---|
| 30 | EE | Katsuyuki Okeya:
Side Channel Attacks Against HMACs Based on Block-Cipher Based Hash Functions.
ACISP 2006: 432-443 |
| 29 | EE | Camille Vuillaume,
Katsuyuki Okeya:
Flexible Exponentiation with Resistance to Side Channel Attacks.
ACNS 2006: 268-283 |
| 28 | EE | Tae-Hyun Kim,
Dong-Guk Han,
Katsuyuki Okeya,
Jongin Lim:
Generic Cryptanalysis of Combined Countermeasures with Randomized BSD Representations.
CARDIS 2006: 119-134 |
| 27 | EE | Masayuki Yoshino,
Katsuyuki Okeya,
Camille Vuillaume:
Unbridle the Bit-Length of a Crypto-coprocessor with Montgomery Multiplication.
Selected Areas in Cryptography 2006: 188-202 |
| 26 | EE | Katsuyuki Okeya,
Tsuyoshi Takagi,
Camille Vuillaume:
Security Analysis of the SPA-Resistant Fractional Width Method.
IEICE Transactions 89-A(1): 161-168 (2006) |
| 25 | EE | Dong-Guk Han,
Katsuyuki Okeya,
Tae-Hyun Kim,
Yoon Sung Hwang,
Beomin Kim,
Young-Ho Park:
Enhanced Exhaustive Search Attack on Randomized BSD Type Countermeasure.
IEICE Transactions 89-A(5): 1316-1327 (2006) |
| 24 | EE | Camille Vuillaume,
Katsuyuki Okeya,
Tsuyoshi Takagi:
Defeating Simple Power Analysis on Koblitz Curves.
IEICE Transactions 89-A(5): 1362-1369 (2006) |
| 23 | EE | Katsuyuki Okeya,
Tsuyoshi Takagi:
Security analysis of CRT-based cryptosystems.
Int. J. Inf. Sec. 5(3): 177-185 (2006) |
| 2005 |
|---|
| 22 | EE | Katsuyuki Okeya,
Tsuyoshi Takagi,
Camille Vuillaume:
Efficient Representations on Koblitz Curves with Resistance to Side Channel Attacks.
ACISP 2005: 218-229 |
| 21 | EE | Katsuyuki Okeya,
Tsuyoshi Takagi,
Camille Vuillaume:
Short Memory Scalar Multiplication on Koblitz Curves.
CHES 2005: 91-105 |
| 20 | EE | Erik Dahmen,
Katsuyuki Okeya,
Tsuyoshi Takagi:
An Advanced Method for Joint Scalar Multiplications on Memory Constraint Devices.
ESAS 2005: 189-204 |
| 19 | EE | Katsuyuki Okeya,
Tetsu Iwata:
Side Channel Attacks on Message Authentication Codes.
ESAS 2005: 205-217 |
| 18 | EE | Katsuyuki Okeya,
Tsuyoshi Takagi,
Camille Vuillaume:
On the Importance of Protecting in SFLASH against Side Channel Attacks.
IEICE Transactions 88-A(1): 123-131 (2005) |
| 17 | EE | Katsuyuki Okeya,
Dong-Guk Han:
Cryptanalysis of Ha-Moon's Countermeasure of Randomized Signed Scalar Multiplication.
IEICE Transactions 88-A(5): 1140-1147 (2005) |
| 2004 |
|---|
| 16 | EE | Katsuyuki Okeya,
Tsuyoshi Takagi,
Camille Vuillaume:
On the Exact Flexibility of the Flexible Countermeasure Against Side Channel Attacks.
ACISP 2004: 466-477 |
| 15 | EE | Katsuyuki Okeya,
Tsuyoshi Takagi:
Security Analysis of CRT-Based Cryptosystems.
ACNS 2004: 383-397 |
| 14 | EE | Dong-Guk Han,
Katsuyuki Okeya,
Tae-Hyun Kim,
Yoon Sung Hwang,
Young-Ho Park,
Souhwan Jung:
Cryptanalysis of the Countermeasures Using Randomized Binary Signed Digits.
ACNS 2004: 398-413 |
| 13 | EE | Katsuyuki Okeya,
Katja Schmidt-Samoa,
Christian Spahn,
Tsuyoshi Takagi:
Signed Binary Representations Revisited.
CRYPTO 2004: 123-139 |
| 12 | EE | Katsuyuki Okeya,
Tsuyoshi Takagi,
Camille Vuillaume:
On the Importance of Protecting Delta in SFLASH against Side Channel Attacks.
ITCC (2) 2004: 560-568 |
| 11 | EE | Katsuyuki Okeya,
Tsuyoshi Takagi:
SCA-Resistant and Fast Elliptic Scalar Multiplication Based on wNAF.
IEICE Transactions 87-A(1): 75-84 (2004) |
| 2003 |
|---|
| 10 | EE | Katsuyuki Okeya,
Tsuyoshi Takagi:
A More Flexible Countermeasure against Side Channel Attacks Using Window Method.
CHES 2003: 397-410 |
| 9 | EE | Katsuyuki Okeya,
Tsuyoshi Takagi:
The Width-w NAF Method Provides Small Memory and Fast Elliptic Scalar Multiplications Secure against Side Channel Attacks.
CT-RSA 2003: 328-342 |
| 8 | EE | Katsuyuki Okeya,
Dong-Guk Han:
Side Channel Attack on Ha-Moon's Countermeasure of Randomized Signed Scalar Multiplication.
INDOCRYPT 2003: 334-348 |
| 2002 |
|---|
| 7 | EE | Katsuyuki Okeya,
Kouichi Sakurai:
On Insecurity of the Side Channel Attack Countermeasure Using Addition-Subtraction Chains under Distinguishability between Addition and Doubling.
ACISP 2002: 420-435 |
| 6 | EE | Katsuyuki Okeya,
Kouichi Sakurai:
Fast Multi-scalar Multiplication Methods on Elliptic Curves with Precomputation Strategy Using Montgomery Trick.
CHES 2002: 564-578 |
| 5 | EE | Katsuyuki Okeya,
Kouichi Sakurai:
A Second-Order DPA Attack Breaks a Window-Method Based Countermeasure against Side Channel Attacks.
ISC 2002: 389-401 |
| 2001 |
|---|
| 4 | EE | Katsuyuki Okeya,
Kouichi Sakurai:
Efficient Elliptic Curve Cryptosystems from a Scalar Multiplication Algorithm with Recovery of the y-Coordinate on a Montgomery-Form Elliptic Curve.
CHES 2001: 126-141 |
| 3 | EE | Katsuyuki Okeya,
Kunihiko Miyazaki,
Kouichi Sakurai:
A Fast Scalar Multiplication Method with Randomized Projective Coordinates on a Montgomery-Form Elliptic Curve Secure against Side Channel Attacks.
ICISC 2001: 428-439 |
| 2000 |
|---|
| 2 | EE | Katsuyuki Okeya,
Kouichi Sakurai:
Power Analysis Breaks Elliptic Curve Cryptosystems even Secure against the Timing Attack.
INDOCRYPT 2000: 178-190 |
| 1 | | Katsuyuki Okeya,
Hiroyuki Kurumatani,
Kouichi Sakurai:
Elliptic Curves with the Montgomery-Form and Their Cryptographic Applications.
Public Key Cryptography 2000: 238-257 |
