Hiroki Shizuya

发表

On a Relation between Knowledge-of-Exponent Assumptions and the DLog vs. CDH Question

Shuji Isobe, Eisuke Koizumi, Firas Kraiem, 2021, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Digital Money–A Survey

Masahiro Mambo, Hiroki Shizuya, Eikoh Chida, 2001 .

A Note on AM Languages Outside NP x co-NP (Special Section on Cryptography and Information Security)

Toshiya Itoh, Hiroki Shizuya, 1994 .

Any Language in IP Has a Divertable ZKIP

Kouichi Sakurai, Toshiya Itoh, Hiroki Shizuya, 1991, ASIACRYPT.

Computational Model of Card-Based Cryptographic Protocols and Its Applications

Takaaki Mizuki, Hiroki Shizuya, T. Mizuki, 2017, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

A Note on the Complexity of Breaking Okamoto-Tanaka ID-Based Key Exchange Scheme

Masahiro Mambo, Hiroki Shizuya, M. Mambo, 1998, Public Key Cryptography.

Divertible and Subliminal-Free Zero-Knowledge Proofs for Languages

Yvo Desmedt, Kouichi Sakurai, Toshiya Itoh, 1999, Journal of Cryptology.

Password-protected secret-sharing schemes without random oracles

Shingo Hasegawa, Shuji Isobe, Jun-ya Iwazaki, 2014, 2014 International Symposium on Information Theory and its Applications.

Supersingular Isogeny-based Cryptography: A Survey

Shingo Hasegawa, Hiroki Shizuya, Philipp Stratil, 2021, Interdisciplinary Information Sciences.

An Approach to the Objective and Quantitative Evaluation of Tamper-Resistant Software

Masahiro Mambo, Hiroki Shizuya, Hideaki Goto, 2000, ISW.

Complexity of abstract DDoS attack problems

Shuji Isobe, Eisuke Koizumi, Masao Sakai, 2006 .

On the pseudo-freeness and the CDH assumption

Shingo Hasegawa, Shuji Isobe, Hiroki Shizuya, 2009, International Journal of Information Security.

A Note on the No-Way Functions

Li Li, Hiroki Shizuya, Eikoh Chida, 1997 .

Spending Offline Divisible Coins with Combining Capability

Masahiro Mambo, Hiroki Shizuya, Eikoh Chida, 2002, INDOCRYPT.

A Countermeasure for Protecting NTRUSign against the Transcript Attack

Shingo Hasegawa, Shuji Isobe, Yuichi Futa, 2007 .

Making Cryptographic Primitives Harder

Shingo Hasegawa, Shuji Isobe, Eisuke Koizumi, 2008, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

On the Complexity of Computing Discrete Logarithms over Algebraic Tori

Shuji Isobe, Eisuke Koizumi, Hiroki Shizuya, 2009, CANS.

On the Complexity of Computing Discrete Logarithms over Algebraic Tori

Shuji Isobe, Eisuke Koizumi, Hiroki Shizuya, 2014 .

Characterization of Optimal Key Set Protocols

Takao Nishizeki, Takaaki Mizuki, Hiroki Shizuya, 2000, IFIP TCS.

Toward Separating Integer Factoring from Discrete Logarithm mod p

Shuji Isobe, Masahiro Mambo, Hiroki Shizuya, 2007, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

On the Complexity of Hyperelliptic Discrete Logarithm Problem

Kouichi Sakurai, Toshiya Itoh, Hiroki Shizuya, 1991, EUROCRYPT.

Distributed Construction of Trust Anchor with the Hyper-Powering Signature Scheme

Eisuke Koizumi, Hiroki Shizuya, Marika Minagawa, 2012 .

How to Implement a Non-uniform or Non-closed Shuffle

Yuta Abe, Takaaki Mizuki, Takahiro Saito, 2020, TPNC.

A Necessary and Sufficient Condition on the Numbers of Dealt Cards for Sharing a Secret Key

Takao Nishizeki, Takaaki Mizuki, Hiroki Shizuya, 1999 .

On the Average Length of Secret Key Exchange Eulerian Circuits

Takao Nishizeki, Takaaki Mizuki, Hiroki Shizuya, 2000 .

A Progress Report on Subliminal-Free Channels

Moti Yung, Yvo Desmedt, Kouichi Sakurai, 1996, Information Hiding.

A complete characterization of a family of key exchange protocols

Takao Nishizeki, Takaaki Mizuki, Hiroki Shizuya, 2002, International Journal of Information Security.

Apparatus for signature generation, apparatus for key generation and signature generation process for

Shingo Hasegawa, Shuji Isobe, Yuichi Futa, 2006 .

Characterization of Optimal Key Set Protocols (Extended Abstract)

Takao Nishizeki, Takaaki Mizuki, Hiroki Shizuya, 2000 .

Practical Card-Based Cryptography

Takaaki Mizuki, Hiroki Shizuya, T. Mizuki, 2014, FUN.

Eulerian Secret Key Exchange

Takao Nishizeki, Takaaki Mizuki, Hiroki Shizuya, 1998, COCOON.

Evaluation of Tamper-Resistant Software Deviating from Structured Programming Rules

Masahiro Mambo, Hiroki Shizuya, Hideaki Goto, 2001, ACISP.

On the Little Knowledge Interactive Proof

Shingo Hasegawa, Shuji Isobe, Jun-ya Iwazaki, 2011 .

A formalization of card-based cryptographic protocols via abstract machine

Takaaki Mizuki, Hiroki Shizuya, T. Mizuki, 2014, International Journal of Information Security.

A language-dependent cryptographic primitive

Toshiya Itoh, Yuji Ohta, Hiroki Shizuya, 1997, Journal of Cryptology.

Relationships Among the Computational Powers of Breaking Discrete Log Cryptosystems

Kouichi Sakurai, Hiroki Shizuya, K. Sakurai, 1995, EUROCRYPT.

The RSA Group Is Adaptive Pseudo-Free under the RSA Assumption

Masayuki Fukumitsu, Shingo Hasegawa, Shuji Isobe, 2014, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

A construction of attribute-based aggregate signatures

Shingo Hasegawa, Shuji Isobe, Eisuke Koizumi, 2016, 2016 International Symposium on Information Theory and Its Applications (ISITA).

The Computational Difficulty of Solving Cryptographic Primitive Problems Related to the Discrete Logarithm Problem

Masahiro Mambo, Hiroki Shizuya, Chisato Konoma, 2005, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

NPMV-Complete Functions That Compute Discrete Logarithms and Integer Factorization

Shingo Hasegawa, Shuji Isobe, Hiroki Shizuya, 2008, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Demonstrating Possession without Revealing Factors (Special Section on Cryptography and Information Security)

Kenji Koyama, Toshiya Itoh, Hiroki Shizuya, 1994 .

Demonstrating Possession without Revealing Factors and its Application

Kenji Koyama, Toshiya Itoh, Hiroki Shizuya, 1990, AUSCRYPT.

How Intractable Is the Discrete Logarithm for a General Finite Group?

Kouichi Sakurai, Tatsuaki Okamoto, Hiroki Shizuya, 1992, EUROCRYPT.

On the Impossibility of Proving Security of Strong-RSA Signatures via the RSA Assumption

Masayuki Fukumitsu, Shingo Hasegawa, Shuji Isobe, 2014, ACISP.

Sharing secret keys along a Eulerian circuit

Takao Nishizeki, Takaaki Mizuki, Hiroki Shizuya, 2000 .

On the Complexity of Languages Associated with Discrete Log Cryptosystems

Takao Nishizeki, Hiroki Shizuya, Takaharu Ohmi, 1999 .

Characterization of optimal key set protocols

Takao Nishizeki, Takaaki Mizuki, Hiroki Shizuya, 2003, Discret. Appl. Math..

A Rigorous Security Proof for the Enhanced Version of Password-Protected Secret Sharing Scheme

Shingo Hasegawa, Shuji Isobe, Jun-ya Iwazaki, 2016 .

On the Polynomial Time Computability of Abstract Ray-Tracing Problems

Shuji Isobe, Masahiro Mambo, Hiroki Shizuya, 2005, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

On the Length-Decreasing Self-Reducibility and the Many-One-Like Reducibilities for Partial Multivalued Functions

Shuji Isobe, Eisuke Koizumi, Hiroki Shizuya, 2013, IEICE Trans. Inf. Syst..

Composite Noise Generator (CNG) with Random Pulse Stream (RPS) Generator for Immunity Test in Digital System

Tasuku Takagi, Hiroki Shizuya, Hideo Suzuki, 1992 .

Dealing Necessary and Sufficient Numbers of Cards for Sharing a One-Bit Secret Key

Takao Nishizeki, Takaaki Mizuki, Hiroki Shizuya, 1999, EUROCRYPT.

A Strengthened Security Notion for Password-Protected Secret Sharing Schemes

Shingo Hasegawa, Shuji Isobe, Jun-ya Iwazaki, 2015, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

A Complexity Theoretic Approach to Breaking Cryptosystems Based on Discrete Logarithms

Kouichi Sakurai, Hiroki Shizuya, K. Sakurai, 1994 .

Toward Separating the Strong Adaptive Pseudo-freeness from the Strong RSA Assumption

Masayuki Fukumitsu, Shingo Hasegawa, Shuji Isobe, 2013, ACISP.

On the Security of the Okamoto-Tanaka ID-Based Key Exchange Scheme against Active Attacks

Dongho Won, Seungjoo Kim, Masahiro Mambo, 2000 .

A Structural Comparison of the Computational Difficulty of Breaking Discrete Log Cryptosystems

Kouichi Sakurai, Hiroki Shizuya, K. Sakurai, 1998, Journal of Cryptology.

On the Higher-Bit Version of Approximate Inhomogeneous Short Integer Solution Problem

Shingo Hasegawa, Hiroki Shizuya, Anaëlle Le Dévéhat, 2021, CANS.

Public-Key Projective Arithmetic Functional Encryption

Shingo Hasegawa, Hiroki Shizuya, Masashi Hisai, 2021, International Journal of Networking and Computing.

A group-theoretic interface to random self-reducibility

Toshiya Itoh, Hiroki Shizuya, 1990 .

Complexity Analysis of the Cryptographic Primitive Problems through Square-Root Exponent

Masahiro Mambo, Hiroki Shizuya, Chisato Konoma, 2004 .

On the One-Way Algebraic Homomorphism

Takao Nishizeki, Hiroki Shizuya, Eikoh Chida, 1996 .

On the Security of Girault Key Agreement Protocols against Active Attacks

Dongho Won, Masahiro Mambo, Hiroki Shizuya, 2003, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

On the Strength of the Strong RSA Assumption

Masahiro Mambo, Hiroki Shizuya, M. Mambo, 2003, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..