Kohtaro Tadaki - researchr alias

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Viewing Publication 1 - 36 from 36

2016

Proposal of the Multivariate Public Key Cryptosystem Relying on the Difficulty of Factoring a Product of Two Large Prime NumbersShigeo Tsujii, Kohtaro Tadaki, Ryo Fujita, Masahito Gotaishi. ieicet, 99-A(1):66-72, 2016. [doi]

2015

Cryptography and Algorithmic RandomnessKohtaro Tadaki, Norihisa Doi. mst, 56(3):544-580, 2015. [doi]

2014

Phase Transition and Strong PredictabilityKohtaro Tadaki. uc 2014: 340-352 [doi]

2013

Spectral Representation of Some Computably Enumerable Sets with an Application to Quantum ProvabilityCristian S. Calude, Kohtaro Tadaki. uc 2013: 43-54 [doi]

2012

A Chaitin $$\Upomega$$ number based on compressible stringsKohtaro Tadaki. nc, 11(1):117-128, 2012. [doi]

A statistical mechanical interpretation of algorithmic information theory III: composite systems and fixed pointsKohtaro Tadaki. mscs, 22(5):752-770, 2012. [doi]

Phase Transition between Unidirectionality and BidirectionalityKohtaro Tadaki. BIRTHDAY 2012: 203-223 [doi]

Construction of the Tsujii-Shamir-Kasahara (TSK) Type Multivariate Public Key Cryptosystem, which relies on the Difficulty of Prime FactorizationShigeo Tsujii, Kohtaro Tadaki, Masahito Gotaishi, Ryou Fujita. iacr, 2012:145, 2012. [doi]

Scheme overcoming incompatibility of privacy and utilization of personal dataShigeo Tsujii, Kohtaro Tadaki, Ryou Fujita, Hiroshi Yamaguchi, Masahito Gotaishi, Yukiyasu Tsunoo, Takahiko Syouji, Norihisa Doi. isita 2012: 727-730 [doi]

2011

Robustness of statistical mechanical interpretation of algorithmic information theoryKohtaro Tadaki. itw 2011: 237-241 [doi]

2010

Dually-Perturbed Matsumoto-Imai Signature (DPMS) SchemeMasahito Gotaishi, Kohtaro Tadaki, Ryou Fujita, Shigeo Tsujii. ieicet, 93-A(6):1078-1085, 2010. [doi]

A knapsack cryptosystem based on multiple knapsacksKunikatsu Kobayashi, Kohtaro Tadaki, Masao Kasahara, Shigeo Tsujii. isita 2010: 428-432 [doi]

Key-Generation Algorithms for Linear Piece In Hand Matrix MethodKohtaro Tadaki, Shigeo Tsujii. ieicet, 93-A(6):1102-1110, 2010. [doi]

Two-sided multiplications are reduced to one-sided multiplication in linear piece in hand matrix methodsKohtaro Tadaki, Shigeo Tsujii. isita 2010: 900-904 [doi]

Clarifying the specification of linear Piece In Hand matrix methodKohtaro Tadaki, Shigeo Tsujii. isita 2010: 905-910 [doi]

The Hausdorff dimension of the halting self-similar sets of T-universal prefix-free machinesKohtaro Tadaki. isit 2010: 1287-1291 [doi]

Properties of optimal prefix-free machines as instantaneous codesKohtaro Tadaki. itw 2010: 1-5 [doi]

Theory of one-tape linear-time Turing machinesKohtaro Tadaki, Tomoyuki Yamakami, Jack C. H. Lin. TCS, 411(1):22-43, 2010. [doi]

Proposal of a Signature Scheme Based on STS TrapdoorShigeo Tsujii, Masahito Gotaishi, Kohtaro Tadaki, Ryou Fujita. pqcrypto 2010: 201-217 [doi]

Proposal of a Signature Scheme based on STS TrapdoorShigeo Tsujii, Masahito Gotaishi, Kohtaro Tadaki, Ryou Fujita. iacr, 2010:118, 2010. [doi]

2009

Fixed Point Theorems on Partial RandomnessKohtaro Tadaki. lfcs 2009: 422-440 [doi]

Chaitin Omega Numbers and Halting ProblemsKohtaro Tadaki. cie 2009: 447-456 [doi]

Partial Randomness and Dimension of Recursively Enumerable RealsKohtaro Tadaki. mfcs 2009: 687-699 [doi]

Fixed Points on Partial RandomnessKohtaro Tadaki. fics 2009: 100-107 [doi]

Security Enhancement of Various MPKCs by 2-Layer Nonlinear Piece in Hand MethodShigeo Tsujii, Kohtaro Tadaki, Ryou Fujita, Masahito Gotaishi, Toshinobu Kaneko. ieicet, 92-A(10):2438-2446, 2009. [doi]

Security Enhancement of Various MPKCs by 2-layer Nonlinear Piece In Hand MethodShigeo Tsujii, Kohtaro Tadaki, Ryou Fujita, Masahito Gotaishi, Toshinobu Kaneko. iacr, 2009:61, 2009. [doi]

Proposal of PPS Multivariate Public Key CryptosystemsShigeo Tsujii, Kohtaro Tadaki, Masahito Gotaishi, Ryou Fujita, Masao Kasahara. iacr, 2009:264, 2009. [doi]

2008

Nonlinear Piece In Hand Perturbation Vector Method for Enhancing Security of Multivariate Public Key CryptosystemsRyou Fujita, Kohtaro Tadaki, Shigeo Tsujii. pqcrypto 2008: 148-164 [doi]

Nonlinear Piece In Hand Perturbation Vector Method for Enhancing Security of Multivariate Public Key CryptosystemsRyou Fujita, Kohtaro Tadaki, Shigeo Tsujii. iacr, 2008:298, 2008. [doi]

Nonlinear Piece In Hand Matrix Method for Enhancing Security of Multivariate Public Key CryptosystemsShigeo Tsujii, Kohtaro Tadaki, Ryou Fujita. iacr, 2008:77, 2008. [doi]

2007

A Statistical Mechanical Interpretation of Instantaneous CodesKohtaro Tadaki. isit 2007: 1906-1910 [doi]

Proposal for Piece in Hand Matrix: General Concept for Enhancing Security of Multivariate Public Key CryptosystemsShigeo Tsujii, Kohtaro Tadaki, Ryou Fujita. ieicet, 90-A(5):992-999, 2007. [doi]

2006

An extension of Chaitin s halting probability Omega to a measurement operator in an infinite dimensional quantum systemKohtaro Tadaki. mlq, 52(5):419-438, 2006. [doi]

Proposal for Piece In Hand Matrix Ver.2: General Concept for Enhancing Security of Multivariate Public Key CryptosystemsShigeo Tsujii, Kohtaro Tadaki, Ryou Fujita. iacr, 2006:51, 2006. [doi]

2004

Theory of One Tape Linear Time Turing MachinesKohtaro Tadaki, Tomoyuki Yamakami, Jack C. H. Lin. sofsem 2004: 335-348 [doi]

Piece In Hand Concept for Enhancing the Security of Multivariate Type Public Key Cryptosystems: Public Key Without Containing All the Information of Secret KeyShigeo Tsujii, Kohtaro Tadaki, Ryou Fujita. iacr, 2004:366, 2004. [doi]

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