年単位の研究成果
研究成果 1997 2019
- 1 - 50 / 133 件中
- 出版年、タイトル （降順）
2019
A new polynomial-time variant of LLL with deep insertions for decreasing the squared-sum of Gram–Schmidt lengths
Yasuda, M. & Yamaguchi, J., 1 1 2019, ： : Designs, Codes, and Cryptography.研究成果: ジャーナルへの寄稿 › 記事
Insertion
Polynomial time
Lattice Basis Reduction
Polynomials
Output
2018
An efficient key generation of ZHFE public key cryptosystem
Ikematsu, Y., Duong, D. H., Petzoldt, A. & Takagi, T., 1 1 2018, ： : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E101A, 1, p. 29-38 10 p.研究成果: ジャーナルへの寄稿 › 記事
Public-key Cryptosystem
Cryptography
Linear algebra
Cryptosystem
Encryption
Recent developments in post-quantum cryptography
Takagi, T., 1 1 2018, ： : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E101A, 1, p. 3-11 9 p.研究成果: ジャーナルへの寄稿 › 記事
Quantum Cryptography
Quantum cryptography
Cryptography
Quantum computers
Quantum Computer
Security analysis of cryptosystems using short generators over ideal lattices
Okumura, S., Sugiyama, S., Yasuda, M. & Takagi, T., 7 1 2018, ： : Japan Journal of Industrial and Applied Mathematics. 35, 2, p. 739-771 33 p.研究成果: ジャーナルへの寄稿 › 記事
Lattice Ideal
Cyclotomic Fields
Security Analysis
Cryptosystem
Cryptography
Some properties of τ -adic expansions on hyperelliptic Koblitz curves
Hakuta, K., Sato, H. & Takagi, T., 10 1 2018, ： : Journal of Applied Mathematics and Computing. 58, 1-2, p. 367-388 22 p.研究成果: ジャーナルへの寄稿 › 記事
Hyperelliptic Curves
Concretes
Elliptic Curve Cryptosystem
Cryptography
Hamming Weight
2017
2
引用
(Scopus)
Analysis of decreasing squared-sum of Gram-Schmidt lengths for short lattice vectors
Yasuda, M., Yokoyama, K., Shimoyama, T., Kogure, J. & Koshiba, T., 3 1 2017, ： : Journal of Mathematical Cryptology. 11, 1, p. 1-24 24 p.研究成果: ジャーナルへの寄稿 › 記事
Vector Lattice
Random Sampling
Decrease
Strictly
Sampling
Application of mixed integer quadratic program to shortest vector problems
Kimura, K., Waki, H. & Yasuda, M., 2017, (受理済み/印刷中) ： : JSIAM Letters.研究成果: ジャーナルへの寄稿 › 記事
CyclicSRP - A multivariate encryption scheme with a partially cyclic public key
Duong, D. H., Petzoldt, A. & Takagi, T., 12 1 2017, ： : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E100A, 12, p. 2691-2698 8 p.研究成果: ジャーナルへの寄稿 › 記事
Public key cryptography
Public key
Encryption
Cryptography
Public Key Cryptography
7
引用
(Scopus)
Efficient outsourcing of secure k-nearest neighbour query over encrypted database
Xu, R., Morozov, K., Yang, Y., Zhou, J. & Takagi, T., 8 1 2017, ： : Computers and Security. 69, p. 65-83 19 p.研究成果: ジャーナルへの寄稿 › 記事
Outsourcing
outsourcing
Data privacy
Random access storage
Cloud computing
1
引用
(Scopus)
Full cryptanalysis of hash functions based on cubic Ramanujan graphs
Jo, H., Petit, C. & Takagi, T., 9 1 2017, ： : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E100A, 9, p. 1891-1899 9 p.研究成果: ジャーナルへの寄稿 › 記事
Ramanujan Graphs
Hash functions
Cubic Graph
Cryptanalysis
Hash Function
Representation growth of the Heisenberg group over O[x]/(x3)
Dung, D. H., 4 1 2017, ： : Journal of Algebra and Its Applications. 16, 4, 1750077.研究成果: ジャーナルへの寄稿 › 記事
Heisenberg Group
Number field
Riemann zeta function
Ring
Integer
Secret sharing with cheaters using multi-receiver authentication
Xu, R., Morozov, K. & Takagi, T., 1 1 2017, ： : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E100A, 1, p. 115-125 11 p.研究成果: ジャーナルへの寄稿 › 記事
Secret Sharing Scheme
Secret Sharing
Authentication
Receiver
Authentication Codes
1
引用
(Scopus)
Secure Hamming distance computation for biometrics using ideal-lattice and ring-LWE homomorphic encryption
Yasuda, M., 3 4 2017, ： : Information Security Journal. 26, 2, p. 85-103 19 p.研究成果: ジャーナルへの寄稿 › 記事
Hamming distance
Biometrics
Cryptography
Authentication
Encryption
35
引用
(Scopus)
Securing the Internet of Things in a Quantum World
Cheng, C., Lu, R., Petzoldt, A. & Takagi, T., 2 1 2017, ： : IEEE Communications Magazine. 55, 2, p. 116-120 5 p., 7842421.研究成果: ジャーナルへの寄稿 › 記事
Quantum computers
Cryptography
Internet of things
Communication
6
引用
(Scopus)
Uniform analytic properties of representation zeta functions of finitely generated nilpotent groups
Duong, D. H. & Voll, C., 1 1 2017, ： : Transactions of the American Mathematical Society. 369, 9, p. 6327-6349 23 p.研究成果: ジャーナルへの寄稿 › 記事
G-convergence
Abscissa
Finitely Generated Group
Nilpotent Group
Twist
2016
Applications of fully homomorphic encryption
Yasuda, M., 12 1 2016, ： : Journal of the Institute of Electronics, Information and Communication Engineers. 99, 12, p. 1167-1175 9 p.研究成果: ジャーナルへの寄稿 › 記事
Cryptography
4
引用
(Scopus)
Computational hardness of IFP and ECDLP
Yasuda, M., Shimoyama, T., Kogure, J. & Izu, T., 12 1 2016, ： : Applicable Algebra in Engineering, Communications and Computing. 27, 6, p. 493-521 29 p.研究成果: ジャーナルへの寄稿 › 記事
Integer Factorization
Discrete Logarithm Problem
Factorization
Elliptic Curves
Hardness
10
引用
(Scopus)
Efficient Deniably Authenticated Encryption and Its Application to E-Mail
Li, F., Zhong, D. & Takagi, T., 11 1 2016, ： : IEEE Transactions on Information Forensics and Security. 11, 11, p. 2477-2486 10 p., 7499859.研究成果: ジャーナルへの寄稿 › 記事
Electronic mail
Authentication
Electronic document identification systems
Cryptography
Internet
6
引用
(Scopus)
Efficient Secure Matrix Multiplication over LWE-Based Homomorphic Encryption
Duong, D. H., Mishra, P. K. & Yasuda, M., 9 1 2016, ： : Tatra Mountains Mathematical Publications. 67, 1, p. 69-83 15 p.研究成果: ジャーナルへの寄稿 › 記事
Homomorphic Encryption
Matrix multiplication
Packing
Confidentiality
Scalar, inner or dot product
Finiteness of Profinite Groups with a Rational Probabilistic Zeta Function
Duong, D. H., 2 1 2016, ： : Communications in Algebra. 44, 2, p. 787-795 9 p.研究成果: ジャーナルへの寄稿 › 記事
Profinite Groups
Maximal Subgroup
Finiteness
Riemann zeta function
Class
On tameness of matsumoto-imai central maps in three variables over the finite field F2
Hakuta, K., Sato, H. & Takagi, T., 5 1 2016, ： : Advances in Mathematics of Communications. 10, 2, p. 221-228 8 p.研究成果: ジャーナルへの寄稿 › 記事
Problem Decomposition
Public-key Cryptosystem
Cryptography
Galois field
Automorphisms
Recognizing PSL(2, p) in the non-Frattini chief factors of finite groups
Duong, D. H., 3 1 2016, ： : Archiv der Mathematik. 106, 3, p. 201-208 8 p.研究成果: ジャーナルへの寄稿 › 記事
Finite Group
5
引用
(Scopus)
Revocable and strongly unforgeable identity-based signature scheme in the standard model
Liu, Z., Zhang, X., Hu, Y. & Takagi, T., 9 25 2016, ： : Security and Communication Networks. 9, 14, p. 2422-2433 12 p.研究成果: ジャーナルへの寄稿 › 記事
Cryptography
Hardness
39
引用
(Scopus)
Secure and controllable k-NN query over encrypted cloud data with key confidentiality
Zhu, Y., Huang, Z. & Takagi, T., 3 1 2016, ： : Journal of Parallel and Distributed Computing. 89, p. 1-12 12 p.研究成果: ジャーナルへの寄稿 › 記事
Confidentiality
Nearest Neighbor
Servers
Query
Data privacy
14
引用
(Scopus)
Security Analysis and Improvements on Two Homomorphic Authentication Schemes for Network Coding
Cheng, C., Lee, J., Jiang, T. & Takagi, T., 5 1 2016, ： : IEEE Transactions on Information Forensics and Security. 11, 5, p. 993-1002 10 p., 7373629.研究成果: ジャーナルへの寄稿 › 記事
Network coding
Authentication
Pollution
Communication
Costs
Torsion points and reduction of elliptic curves
Yasuda, M., 1 1 2016, ： : Acta Arithmetica. 176, 1, p. 89-100 12 p.研究成果: ジャーナルへの寄稿 › 記事
Torsion Points
Elliptic Curves
2015
A multivariate quadratic challenge toward post-quantum generation cryptography
Yasuda, T., Dahan, X., Huang, Y. J., Takagi, T. & Sakurai, K., 9 1 2015, ： : ACM Communications in Computer Algebra. 49, 3, p. 105-107 3 p.研究成果: ジャーナルへの寄稿 › 記事
Cryptography
Signature
Quantum Cryptography
One-way Function
Public Key Cryptography
Biometric key-binding using lattice masking†
Yasuda, M. & Sugimura, Y., 12 1 2015, ： : Security and Communication Networks. 8, 18, p. 3405-3414 10 p.研究成果: ジャーナルへの寄稿 › 記事
Biometrics
5
引用
(Scopus)
Efficient scalar product protocol and its privacy-preserving application
Zhu, Y. & Takagi, T., 1 1 2015, ： : International Journal of Electronic Security and Digital Forensics. 7, 1, p. 1-19 19 p.研究成果: ジャーナルへの寄稿 › 記事
privacy
fairness
Experiments
candidacy
experiment
Key leakage-resilient secure cryptosystem with hierarchical wildcard pattern delegation
Zhang, M. W., Wang, C. Z., Yang, B. & Takagi, T., 1 1 2015, ： : Ruan Jian Xue Bao/Journal of Software. 26, 5, p. 1196-1212 17 p.研究成果: ジャーナルへの寄稿 › 記事
Cryptography
Concretes
13
引用
(Scopus)
New packing method in somewhat homomorphic encryption and its applications
Yasuda, M., Shimoyama, T., Kogure, J., Yokoyama, K. & Koshiba, T., 9 10 2015, ： : Security and Communication Networks. 8, 13, p. 2194-2213 20 p.研究成果: ジャーナルへの寄稿 › 記事
Cryptography
Hamming distance
Pattern matching
Biometrics
Cloud computing
Note on some recent cheater identifiable secret sharing schemes
Xu, R., Morozov, K. & Takagi, T., 8 1 2015, ： : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E98A, 8, p. 1814-1819 6 p.研究成果: ジャーナルへの寄稿 › 記事
Secret Sharing Scheme
Reed-Solomon codes
Reed-Solomon Codes
Coding Theory
Error Detection
1
引用
(Scopus)
Privacy-preserving and adaptively-secure encryptions with Deterministic Finite Automata policy and their applications
Zhang, M. W., Yang, B., Wang, C. Z. & Takagi, T., 4 1 2015, ： : Jisuanji Xuebao/Chinese Journal of Computers. 38, 4, p. 897-908 12 p.研究成果: ジャーナルへの寄稿 › 記事
Finite automata
Cryptography
DNA
1
引用
(Scopus)
Revocable identity-based signcryption scheme without random oracles
Zhang, X., Liu, Z., Hu, Y. & Takagi, T., 1 1 2015, ： : International Journal of Network Security. 17, 2, p. 110-122 13 p.研究成果: ジャーナルへの寄稿 › 記事
Cryptography
Hardness
1
引用
(Scopus)
Zero-knowledge protocols for code-based public-key encryption
Hu, R., Morozov, K. & Takagi, T., 10 1 2015, ： : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E98A, 10, p. 2139-2151 13 p.研究成果: ジャーナルへの寄稿 › 記事
Zero-knowledge
Public Key Encryption
Cryptography
Encryption
Quantum Cryptography
2014
1
引用
(Scopus)
Anonymous encryption with partial-order subset delegation and its application in privacy email systems
Zhang, M., Nishide, T., Yang, B. & Takagi, T., 1 1 2014, ： : IET Information Security. 8, 4, p. 240-249 10 p.研究成果: ジャーナルへの寄稿 › 記事
Electronic mail
Cryptography
5
引用
(Scopus)
Anonymous spatial encryption under affine space delegation functionality with full security
Zhang, M., Yang, B. & Takagi, T., 9 1 2014, ： : Information Sciences. 277, p. 715-730 16 p.研究成果: ジャーナルへの寄稿 › 記事
Delegation
Affine Space
Encryption
Cryptography
Confidentiality
1
引用
(Scopus)
A polynomial-time algorithm for solving a class of underdetermined multivariate quadratic equations over fields of odd characteristics
Cheng, C. M., Hashimoto, Y., Miura, H. & Takagi, T., 1 1 2014, ： : Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 8772, p. 40-58 19 p.研究成果: ジャーナルへの寄稿 › 記事
Quadratic equation
Polynomial-time Algorithm
Odd
Polynomials
Range of data
Collaborative agglomerative document clustering with limited information disclosure
Su, C., Zhou, J., Bao, F., Takagi, T. & Sakurai, K., 1 1 2014, ： : Security and Communication Networks. 7, 6, p. 964-978 15 p.研究成果: ジャーナルへの寄稿 › 記事
Cryptography
Data mining
Scalability
Computational complexity
Processing
Efficient algorithm for tate pairing of composite order
Kiyomura, Y. & Takagi, T., 10 1 2014, ： : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E97A, 10, p. 2055-2063 9 p.研究成果: ジャーナルへの寄稿 › 記事
Tate Pairing
Efficient Algorithms
Composite
Composite materials
Pairing
1
引用
(Scopus)
Efficient privacy-preserving reputation evaluation in decentralized environments
Zhu, Y. & Takagi, T., 1 2014, ： : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E97-A, 1, p. 409-412 4 p.研究成果: ジャーナルへの寄稿 › 記事
Privacy Preserving
Decentralized
Communication
Evaluation
Casting
10
引用
(Scopus)
Efficient variant of Rainbow using sparse secret keys
Yasuda, T., Takagi, T. & Sakurai, K., 9 1 2014, ： : Journal of Wireless Mobile Networks, Ubiquitous Computing, and Dependable Applications. 5, 3, p. 3-13 11 p.研究成果: ジャーナルへの寄稿 › 記事
Cryptography
Quantum cryptography
Electronic document identification systems
1
引用
(Scopus)
Extended algorithm for solving underdefined multivariate quadratic equations
Miura, H., Hashimoto, Y. & Takagi, T., 1 1 2014, ： : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E97-A, 6, p. 1418-1425 8 p.研究成果: ジャーナルへの寄稿 › 記事
Quadratic equation
Cryptography
Public-key Cryptosystem
Polynomials
Galois field
Fully secure constructions of spatial encryption with vector privacy
Zhang, M., Wang, C., Yang, B. & Takagi, T., 1 1 2014, ： : International Journal of Communication Systems. 27, 12, p. 4307-4327 21 p.研究成果: ジャーナルへの寄稿 › 記事
Cryptography
Composite materials
Generic constructions and transformations of decryption consistent encryption
Zhang, M., Morozov, K. & Takagi, T., 1 1 2014, ： : IETE Journal of Research. 60, 3, p. 218-228 11 p.研究成果: ジャーナルへの寄稿 › 記事
Encryption
Cryptography
Attack
Public Key Encryption
Receiver
7
引用
(Scopus)
Improved attacks on multi-prime rsa with small prime difference
Zhang, H. & Takagi, T., 1 1 2014, ： : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E97-A, 7, p. 1533-1541 9 p.研究成果: ジャーナルへの寄稿 › 記事
Attack
Exponent
Fermat
Factoring
Modulus
2
引用
(Scopus)
Key length estimation of pairing-based cryptosystems using ?t pairing over GF(3n)
Shinohara, N., Shimoyama, T., Hayashi, T. & TakagI, T., 1 1 2014, ： : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E97-A, 1, p. 236-244 9 p.研究成果: ジャーナルへの寄稿 › 記事
Pairing-based Cryptosystems
Sieves
Pairing
Sieve
Cryptography
2
引用
(Scopus)
On normal subgroups of division rings which are radical over a proper division subring
Bien, M. & Duong, D. H., 6 1 2014, ： : Studia Scientiarum Mathematicarum Hungarica. 51, 2, p. 231-242 12 p.研究成果: ジャーナルへの寄稿 › 記事
Division ring or skew field
Subring
Normal subgroup
Division
Generalise
2
引用
(Scopus)
Rationality of the probabilistic zeta functions of finitely generated profinite groups
Duong, D. H. & Lucchini, A., 3 1 2014, ： : Journal of Group Theory. 17, 2, p. 317-335 19 p.研究成果: ジャーナルへの寄稿 › 記事
Sporadic Simple Groups
Groups of Lie Type
Profinite Groups
Maximal Subgroup
Finitely Generated Group
Revisits and transformations among functional encryption systems
Zhang, M., Morozov, K. & Takagi, T., 1 1 2014, ： : IETE Technical Review (Institution of Electronics and Telecommunication Engineers, India). 31, 1, p. 103-114 12 p.研究成果: ジャーナルへの寄稿 › 記事
Cryptography
Computer systems
Access control