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Publisher: Inderscience Publishers   (Total: 434 journals)

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Showing 1 - 200 of 434 Journals sorted alphabetically
African J. of Accounting, Auditing and Finance     Hybrid Journal   (Followers: 12)
African J. of Economic and Sustainable Development     Hybrid Journal   (Followers: 14)
Afro-Asian J. of Finance and Accounting     Hybrid Journal   (Followers: 7, SJR: 0.205, h-index: 3)
American J. of Finance and Accounting     Hybrid Journal   (Followers: 21)
Asian J. of Management Science and Applications     Hybrid Journal   (Followers: 4)
Atoms for Peace: an Intl. J.     Hybrid Journal   (Followers: 3, SJR: 0.103, h-index: 1)
Electronic Government, an Intl. J.     Hybrid Journal   (Followers: 17, SJR: 0.185, h-index: 23)
EuroMed J. of Management     Hybrid Journal  
European J. of Cross-Cultural Competence and Management     Hybrid Journal   (Followers: 7)
European J. of Industrial Engineering     Hybrid Journal   (Followers: 9, SJR: 0.987, h-index: 16)
European J. of Intl. Management     Hybrid Journal   (Followers: 1, SJR: 0.258, h-index: 10)
Global Business and Economics Review     Hybrid Journal   (Followers: 1, SJR: 0.13, h-index: 7)
Interdisciplinary Environmental Review     Hybrid Journal   (Followers: 3)
Intl. J. of Abrasive Technology     Hybrid Journal   (Followers: 2, SJR: 0.207, h-index: 10)
Intl. J. of Accounting and Finance     Hybrid Journal   (Followers: 14)
Intl. J. of Accounting, Auditing and Performance Evaluation     Hybrid Journal   (Followers: 14, SJR: 0.143, h-index: 9)
Intl. J. of Ad Hoc and Ubiquitous Computing     Hybrid Journal   (Followers: 8, SJR: 0.245, h-index: 13)
Intl. J. of Adaptive and Innovative Systems     Hybrid Journal   (Followers: 1)
Intl. J. of Additive and Subtractive Materials Manufacturing     Hybrid Journal   (Followers: 4)
Intl. J. of Advanced Intelligence Paradigms     Hybrid Journal   (Followers: 3, SJR: 0.39, h-index: 5)
Intl. J. of Advanced Mechatronic Systems     Hybrid Journal   (Followers: 2, SJR: 0.212, h-index: 7)
Intl. J. of Advanced Media and Communication     Hybrid Journal   (Followers: 21, SJR: 0.103, h-index: 9)
Intl. J. of Advanced Operations Management     Hybrid Journal   (Followers: 8, SJR: 0.24, h-index: 4)
Intl. J. of Aerodynamics     Hybrid Journal   (Followers: 24)
Intl. J. of Agent-Oriented Software Engineering     Hybrid Journal   (Followers: 3)
Intl. J. of Agile and Extreme Software Development     Hybrid Journal   (Followers: 5)
Intl. J. of Agile Systems and Management     Hybrid Journal   (Followers: 6, SJR: 0.212, h-index: 8)
Intl. J. of Agricultural Resources, Governance and Ecology     Hybrid Journal   (Followers: 2, SJR: 0.125, h-index: 17)
Intl. J. of Alternative Propulsion     Hybrid Journal   (Followers: 8, SJR: 0.103, h-index: 9)
Intl. J. of Applied Cryptography     Hybrid Journal   (Followers: 10, SJR: 0.401, h-index: 9)
Intl. J. of Applied Decision Sciences     Hybrid Journal   (Followers: 1, SJR: 0.455, h-index: 11)
Intl. J. of Applied Management Science     Hybrid Journal   (Followers: 4, SJR: 0.369, h-index: 10)
Intl. J. of Applied Nonlinear Science     Hybrid Journal   (Followers: 1)
Intl. J. of Applied Pattern Recognition     Hybrid Journal   (Followers: 5)
Intl. J. of Applied Systemic Studies     Hybrid Journal   (SJR: 0.138, h-index: 5)
Intl. J. of Arab Culture, Management and Sustainable Development     Hybrid Journal   (Followers: 7)
Intl. J. of Artificial Intelligence and Soft Computing     Hybrid Journal   (Followers: 10)
Intl. J. of Arts and Technology     Hybrid Journal   (Followers: 6, SJR: 0.114, h-index: 10)
Intl. J. of Auditing Technology     Hybrid Journal   (Followers: 5)
Intl. J. of Automation and Control     Hybrid Journal   (Followers: 8, SJR: 0.297, h-index: 7)
Intl. J. of Automation and Logistics     Hybrid Journal   (Followers: 5)
Intl. J. of Automotive Composites     Hybrid Journal   (Followers: 3)
Intl. J. of Automotive Technology and Management     Hybrid Journal   (Followers: 6, SJR: 0.356, h-index: 15)
Intl. J. of Autonomic Computing     Hybrid Journal   (Followers: 1)
Intl. J. of Autonomous and Adaptive Communications Systems     Hybrid Journal   (Followers: 3, SJR: 0.125, h-index: 10)
Intl. J. of Aviation Management     Hybrid Journal   (Followers: 5)
Intl. J. of Banking, Accounting and Finance     Hybrid Journal   (Followers: 13, SJR: 0.153, h-index: 5)
Intl. J. of Behavioural Accounting and Finance     Hybrid Journal   (Followers: 8)
Intl. J. of Behavioural and Healthcare Research     Hybrid Journal   (Followers: 8)
Intl. J. of Bibliometrics in Business and Management     Hybrid Journal   (Followers: 2)
Intl. J. of Big Data Intelligence     Hybrid Journal   (Followers: 18)
Intl. J. of Bio-Inspired Computation     Hybrid Journal   (Followers: 1, SJR: 0.77, h-index: 25)
Intl. J. of Bioinformatics Research and Applications     Hybrid Journal   (Followers: 13, SJR: 0.231, h-index: 13)
Intl. J. of Biomechatronics and Biomedical Robotics     Hybrid Journal   (Followers: 4)
Intl. J. of Biomedical Engineering and Technology     Hybrid Journal   (Followers: 4, SJR: 0.213, h-index: 10)
Intl. J. of Biomedical Nanoscience and Nanotechnology     Hybrid Journal   (Followers: 6)
Intl. J. of Biometrics     Hybrid Journal   (Followers: 4, SJR: 0.244, h-index: 10)
Intl. J. of Biotechnology     Hybrid Journal   (Followers: 5, SJR: 0.128, h-index: 15)
Intl. J. of Bonds and Derivatives     Hybrid Journal   (Followers: 1)
Intl. J. of Business and Emerging Markets     Hybrid Journal   (Followers: 2)
Intl. J. of Business and Globalisation     Hybrid Journal   (Followers: 2, SJR: 0.21, h-index: 7)
Intl. J. of Business and Systems Research     Hybrid Journal   (Followers: 1, SJR: 0.205, h-index: 11)
Intl. J. of Business Competition and Growth     Hybrid Journal   (Followers: 5)
Intl. J. of Business Continuity and Risk Management     Hybrid Journal   (Followers: 13)
Intl. J. of Business Environment     Hybrid Journal   (Followers: 2)
Intl. J. of Business Excellence     Hybrid Journal   (Followers: 3, SJR: 0.333, h-index: 12)
Intl. J. of Business Forecasting and Marketing Intelligence     Hybrid Journal   (Followers: 6)
Intl. J. of Business Governance and Ethics     Hybrid Journal   (Followers: 4, SJR: 0.222, h-index: 8)
Intl. J. of Business Information Systems     Hybrid Journal   (Followers: 15, SJR: 0.264, h-index: 18)
Intl. J. of Business Innovation and Research     Hybrid Journal   (Followers: 10, SJR: 0.273, h-index: 13)
Intl. J. of Business Intelligence and Data Mining     Hybrid Journal   (Followers: 30, SJR: 0.196, h-index: 13)
Intl. J. of Business Intelligence and Systems Engineering     Hybrid Journal  
Intl. J. of Business Performance and Supply Chain Modelling     Hybrid Journal   (Followers: 16)
Intl. J. of Business Performance Management     Hybrid Journal   (Followers: 8, SJR: 0.194, h-index: 15)
Intl. J. of Business Process Integration and Management     Hybrid Journal   (Followers: 12, SJR: 0.172, h-index: 15)
Intl. J. of Chinese Culture and Management     Hybrid Journal   (Followers: 4)
Intl. J. of Circuits and Architecture Design     Hybrid Journal   (Followers: 6)
Intl. J. of Cloud Computing     Hybrid Journal   (Followers: 25)
Intl. J. of Cognitive Biometrics     Hybrid Journal   (Followers: 2)
Intl. J. of Cognitive Performance Support     Hybrid Journal   (Followers: 3)
Intl. J. of Collaborative Engineering     Hybrid Journal  
Intl. J. of Collaborative Enterprise     Hybrid Journal  
Intl. J. of Collaborative Intelligence     Hybrid Journal   (Followers: 1)
Intl. J. of Communication Networks and Distributed Systems     Hybrid Journal   (Followers: 7, SJR: 0.262, h-index: 9)
Intl. J. of Comparative Management     Hybrid Journal  
Intl. J. of Competitiveness     Hybrid Journal   (Followers: 2)
Intl. J. of Complexity in Applied Science and Technology     Hybrid Journal  
Intl. J. of Complexity in Leadership and Management     Hybrid Journal   (Followers: 28)
Intl. J. of Computational Biology and Drug Design     Hybrid Journal   (Followers: 1, SJR: 0.272, h-index: 8)
Intl. J. of Computational Complexity and Intelligent Algorithms     Hybrid Journal   (Followers: 1)
Intl. J. of Computational Economics and Econometrics     Hybrid Journal   (Followers: 3)
Intl. J. of Computational Intelligence in Bioinformatics and Systems Biology     Hybrid Journal   (Followers: 10)
Intl. J. of Computational Intelligence Studies     Hybrid Journal   (Followers: 2)
Intl. J. of Computational Materials Science and Surface Engineering     Hybrid Journal   (Followers: 6, SJR: 0.159, h-index: 6)
Intl. J. of Computational Science and Engineering     Hybrid Journal   (Followers: 1, SJR: 0.34, h-index: 12)
Intl. J. of Computational Systems Engineering     Hybrid Journal   (Followers: 1)
Intl. J. of Computational Vision and Robotics     Hybrid Journal   (Followers: 4, SJR: 0.123, h-index: 4)
Intl. J. of Computer Aided Engineering and Technology     Hybrid Journal   (Followers: 2, SJR: 0.112, h-index: 7)
Intl. J. of Computer Applications in Technology     Hybrid Journal   (Followers: 2, SJR: 0.309, h-index: 20)
Intl. J. of Computers in Healthcare     Hybrid Journal   (Followers: 2)
Intl. J. of Computing Science and Mathematics     Hybrid Journal   (Followers: 1, SJR: 0.385, h-index: 10)
Intl. J. of Continuing Engineering Education and Life-Long Learning     Hybrid Journal   (Followers: 3, SJR: 0.217, h-index: 16)
Intl. J. of Convergence Computing     Hybrid Journal   (Followers: 1)
Intl. J. of Corporate Governance     Hybrid Journal   (Followers: 4)
Intl. J. of Corporate Strategy and Social Responsibility     Hybrid Journal   (Followers: 3)
Intl. J. of Creative Computing     Hybrid Journal   (Followers: 1)
Intl. J. of Critical Accounting     Hybrid Journal   (Followers: 2)
Intl. J. of Critical Computer-Based Systems     Hybrid Journal   (SJR: 0.22, h-index: 6)
Intl. J. of Critical Infrastructures     Hybrid Journal   (Followers: 2, SJR: 0.277, h-index: 18)
Intl. J. of Data Analysis Techniques and Strategies     Hybrid Journal   (Followers: 3, SJR: 0.381, h-index: 10)
Intl. J. of Data Mining and Bioinformatics     Hybrid Journal   (Followers: 15, SJR: 0.289, h-index: 13)
Intl. J. of Data Mining, Modelling and Management     Hybrid Journal   (Followers: 13, SJR: 0.152, h-index: 8)
Intl. J. of Data Science     Hybrid Journal   (Followers: 8)
Intl. J. of Decision Sciences, Risk and Management     Hybrid Journal   (Followers: 9)
Intl. J. of Decision Support Systems     Hybrid Journal  
Intl. J. of Design Engineering     Hybrid Journal   (Followers: 12)
Intl. J. of Digital Culture and Electronic Tourism     Hybrid Journal   (Followers: 5)
Intl. J. of Digital Signals and Smart Systems     Hybrid Journal  
Intl. J. of Diplomacy and Economy     Hybrid Journal   (Followers: 5)
Intl. J. of Dynamical Systems and Differential Equations     Hybrid Journal   (Followers: 1, SJR: 0.173, h-index: 9)
Intl. J. of Earthquake and Impact Engineering     Hybrid Journal   (Followers: 4)
Intl. J. of Economic Policy in Emerging Economies     Hybrid Journal   (Followers: 2, SJR: 0.228, h-index: 5)
Intl. J. of Economics and Accounting     Hybrid Journal   (Followers: 1)
Intl. J. of Economics and Business Research     Hybrid Journal   (Followers: 3, SJR: 0.102, h-index: 1)
Intl. J. of Education Economics and Development     Hybrid Journal   (Followers: 5, SJR: 0.193, h-index: 2)
Intl. J. of Electric and Hybrid Vehicles     Hybrid Journal   (Followers: 9, SJR: 0.234, h-index: 9)
Intl. J. of Electronic Banking     Hybrid Journal   (Followers: 5)
Intl. J. of Electronic Business     Hybrid Journal   (Followers: 1)
Intl. J. of Electronic Customer Relationship Management     Hybrid Journal   (Followers: 2, SJR: 0.192, h-index: 8)
Intl. J. of Electronic Democracy     Hybrid Journal   (Followers: 1)
Intl. J. of Electronic Finance     Hybrid Journal   (Followers: 4, SJR: 0.2, h-index: 1)
Intl. J. of Electronic Governance     Hybrid Journal   (SJR: 0.383, h-index: 9)
Intl. J. of Electronic Healthcare     Hybrid Journal   (Followers: 2, SJR: 0.195, h-index: 18)
Intl. J. of Electronic Marketing and Retailing     Hybrid Journal   (Followers: 7, SJR: 0.148, h-index: 7)
Intl. J. of Electronic Security and Digital Forensics     Hybrid Journal   (Followers: 9, SJR: 0.221, h-index: 8)
Intl. J. of Embedded Systems     Hybrid Journal   (Followers: 5, SJR: 0.252, h-index: 9)
Intl. J. of Emergency Management     Hybrid Journal   (Followers: 11, SJR: 0.492, h-index: 17)
Intl. J. of Energy Technology and Policy     Hybrid Journal   (Followers: 7, SJR: 0.131, h-index: 11)
Intl. J. of Engineering Management and Economics     Hybrid Journal   (Followers: 4)
Intl. J. of Engineering Systems Modelling and Simulation     Hybrid Journal   (Followers: 9, SJR: 0.192, h-index: 9)
Intl. J. of Enterprise Network Management     Hybrid Journal   (SJR: 0.118, h-index: 6)
Intl. J. of Entrepreneurial Venturing     Hybrid Journal   (Followers: 1, SJR: 0.213, h-index: 7)
Intl. J. of Entrepreneurship and Innovation Management     Hybrid Journal   (Followers: 27, SJR: 0.238, h-index: 15)
Intl. J. of Entrepreneurship and Small Business     Hybrid Journal   (Followers: 26, SJR: 0.294, h-index: 16)
Intl. J. of Environment and Health     Hybrid Journal   (Followers: 5, SJR: 0.147, h-index: 10)
Intl. J. of Environment and Pollution     Hybrid Journal   (Followers: 2, SJR: 0.241, h-index: 35)
Intl. J. of Environment and Sustainable Development     Hybrid Journal   (Followers: 14, SJR: 0.142, h-index: 14)
Intl. J. of Environment and Waste Management     Hybrid Journal   (Followers: 4, SJR: 0.142, h-index: 11)
Intl. J. of Environment, Workplace and Employment     Hybrid Journal   (Followers: 3)
Intl. J. of Environmental Engineering     Hybrid Journal   (Followers: 5)
Intl. J. of Environmental Policy and Decision Making     Hybrid Journal   (Followers: 3)
Intl. J. of Environmental Technology and Management     Hybrid Journal   (Followers: 1, SJR: 0.13, h-index: 15)
Intl. J. of Exergy     Hybrid Journal   (Followers: 2, SJR: 0.667, h-index: 20)
Intl. J. of Experimental and Computational Biomechanics     Hybrid Journal   (Followers: 8)
Intl. J. of Experimental Design and Process Optimisation     Hybrid Journal   (Followers: 5)
Intl. J. of Export Marketing     Hybrid Journal   (Followers: 2)
Intl. J. of Financial Engineering and Risk Management     Hybrid Journal   (Followers: 4)
Intl. J. of Financial Innovation in Banking     Hybrid Journal   (Followers: 3)
Intl. J. of Financial Markets and Derivatives     Hybrid Journal   (Followers: 4)
Intl. J. of Financial Services Management     Hybrid Journal   (Followers: 1)
Intl. J. of Food Safety, Nutrition and Public Health     Hybrid Journal   (Followers: 15)
Intl. J. of Forensic Engineering     Hybrid Journal   (Followers: 2)
Intl. J. of Forensic Engineering and Management     Hybrid Journal   (Followers: 3)
Intl. J. of Foresight and Innovation Policy     Hybrid Journal   (Followers: 5, SJR: 0.219, h-index: 14)
Intl. J. of Functional Informatics and Personalised Medicine     Hybrid Journal   (Followers: 4, SJR: 0.101, h-index: 7)
Intl. J. of Fuzzy Computation and Modelling     Hybrid Journal   (Followers: 2)
Intl. J. of Gender Studies in Developing Societies     Hybrid Journal   (Followers: 4)
Intl. J. of Global Energy Issues     Hybrid Journal   (Followers: 9, SJR: 0.18, h-index: 19)
Intl. J. of Global Environmental Issues     Hybrid Journal   (Followers: 2, SJR: 0.149, h-index: 15)
Intl. J. of Global Warming     Hybrid Journal   (Followers: 2, SJR: 0.431, h-index: 10)
Intl. J. of Globalisation and Small Business     Hybrid Journal   (Followers: 11, SJR: 0.293, h-index: 9)
Intl. J. of Governance and Financial Intermediation     Hybrid Journal  
Intl. J. of Granular Computing, Rough Sets and Intelligent Systems     Hybrid Journal   (Followers: 2)
Intl. J. of Green Economics     Hybrid Journal   (Followers: 3, SJR: 0.148, h-index: 10)
Intl. J. of Grid and Utility Computing     Hybrid Journal   (SJR: 0.235, h-index: 8)
Intl. J. of Happiness and Development     Hybrid Journal   (Followers: 7)
Intl. J. of Healthcare Technology and Management     Hybrid Journal   (Followers: 7, SJR: 0.155, h-index: 13)
Intl. J. of Heavy Vehicle Systems     Hybrid Journal   (Followers: 7, SJR: 0.154, h-index: 15)
Intl. J. of High Performance Computing and Networking     Hybrid Journal   (Followers: 4, SJR: 0.362, h-index: 10)
Intl. J. of High Performance Systems Architecture     Hybrid Journal   (Followers: 6, SJR: 0.301, h-index: 7)
Intl. J. of Higher Education and Sustainability     Hybrid Journal   (Followers: 5)
Intl. J. of Hospitality and Event Management     Hybrid Journal   (Followers: 4)
Intl. J. of Human Factors and Ergonomics     Hybrid Journal   (Followers: 17)
Intl. J. of Human Factors Modelling and Simulation     Hybrid Journal   (Followers: 14)
Intl. J. of Human Resources Development and Management     Hybrid Journal   (Followers: 25, SJR: 0.148, h-index: 11)
Intl. J. of Human Rights and Constitutional Studies     Hybrid Journal   (Followers: 13)
Intl. J. of Humanitarian Technology     Hybrid Journal  
Intl. J. of Hydrology Science and Technology     Hybrid Journal   (Followers: 5, SJR: 0.181, h-index: 3)
Intl. J. of Hydromechatronics     Hybrid Journal  
Intl. J. of Image Mining     Hybrid Journal   (Followers: 1)
Intl. J. of Immunological Studies     Hybrid Journal   (Followers: 1)
Intl. J. of Indian Culture and Business Management     Hybrid Journal  
Intl. J. of Industrial and Systems Engineering     Hybrid Journal   (Followers: 11, SJR: 0.433, h-index: 19)
Intl. J. of Industrial Electronics and Drives     Hybrid Journal   (Followers: 4)
Intl. J. of Information and Coding Theory     Hybrid Journal   (Followers: 6)
Intl. J. of Information and Communication Technology     Hybrid Journal   (Followers: 8, SJR: 0.144, h-index: 5)
Intl. J. of Information and Computer Security     Hybrid Journal   (Followers: 18, SJR: 0.134, h-index: 8)
Intl. J. of Information and Decision Sciences     Hybrid Journal   (Followers: 10, SJR: 0.323, h-index: 10)
Intl. J. of Information and Operations Management Education     Hybrid Journal   (Followers: 8)
Intl. J. of Information Privacy, Security and Integrity     Hybrid Journal   (Followers: 25)

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Journal Cover International Journal of Applied Cryptography
  [SJR: 0.401]   [H-I: 9]   [10 followers]  Follow
    
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 1753-0563 - ISSN (Online) 1753-0571
   Published by Inderscience Publishers Homepage  [434 journals]
  • Sieving for shortest vectors in ideal lattices: a practical
           perspective
    • Authors: Joppe W. Bos, Michael Naehrig, Joop Van De Pol
      Pages: 313 - 329
      Abstract: The security of many lattice-based cryptographic schemes relies on the hardness of finding short vectors in integral lattices. We propose a new variant of the parallel Gauss sieve algorithm to compute such short vectors. It combines favourable properties of previous approaches resulting in reduced run time and memory requirement per node. Our publicly available implementation outperforms all previous Gauss sieve approaches for dimensions 80, 88, and 96. When computing short vectors in ideal lattices, we show how to reduce the number of multiplications and comparisons by using a symbolic Fourier transform. We computed a short vector in a negacyclic ideal lattice of dimension 128 in less than nine days on 1,024 cores, more than twice as fast as the recent record computation for the same lattice on the same computer hardware.
      Keywords: lattice cryptanalysis; parallel Gauss sieve; ideal lattices; ring LWE
      Citation: International Journal of Applied Cryptography, Vol. 3, No. 4 (2017) pp. 313 - 329
      PubDate: 2018-01-21T23:20:50-05:00
      DOI: 10.1504/IJACT.2017.089353
      Issue No: Vol. 3, No. 4 (2018)
       
  • Trustworthy public randomness with sloth, unicorn, and trx
    • Authors: Arjen K. Lenstra, Benjamin Wesolowski
      Pages: 330 - 343
      Abstract: Many applications require trustworthy generation of public random numbers. It is shown how this can be achieved using a hash function that is timed to be as slow as desired (<i>sloth</i>), while the correctness of the resulting hash can be verified quickly. It is shown how <i>sloth</i> can be used for uncontestable random number generation (<i>unicorn</i>), and how <i>unicorn</i> can be used for a new trustworthy random elliptic curves service (<i>trx</i>) and random-sample voting.
      Keywords: public random number generation; random beacon; slow-timed hash
      Citation: International Journal of Applied Cryptography, Vol. 3, No. 4 (2017) pp. 330 - 343
      PubDate: 2018-01-21T23:20:50-05:00
      DOI: 10.1504/IJACT.2017.089354
      Issue No: Vol. 3, No. 4 (2018)
       
  • Prover-efficient commit-and-prove zero-knowledge SNARKs
    • Authors: Arjen K. Lenstra, Benjamin Wesolowski
      Pages: 344 - 362
      Abstract: Succinct non-interactive zero-knowledge arguments of knowledge (Zk-SNARKs) are needed in many applications. Unfortunately, all previous zk-SNARKs for interesting languages are either inefficient for the prover, or are non-adaptive and based on a commitment scheme that depends both on the prover's input and on the language, i.e., they are not commit-and-prove (CaP) SNARKs. We propose a proof-friendly extractable commitment scheme, and use it to construct prover-efficient adaptive CaP succinct zk-SNARKs for different languages, that can all reuse committed data. In new zk-SNARKs, the prover computation is dominated by a linear number of cryptographic operations. We use batch-verification to decrease the verifier's computation; importantly, batch-verification can be used also in QAP-based zk-SNARKs.
      Keywords: batch verification; commit-and-prove; CaP; common reference string; CRS; non-interactive zero knowledge; NIZK; numerical NP-complete languages; range proof; Subset-Sum; zk-SNARK
      Citation: International Journal of Applied Cryptography, Vol. 3, No. 4 (2017) pp. 344 - 362
      PubDate: 2018-01-21T23:20:50-05:00
      DOI: 10.1504/IJACT.2017.089355
      Issue No: Vol. 3, No. 4 (2018)
       
  • Attribute-based fully homomorphic encryption with a bounded number of
           inputs
    • Authors: Michael Clear, Ciarán Mc Goldrick
      Pages: 363 - 376
      Abstract: The only known way to achieve attribute-based fully homomorphic encryption (ABFHE) is through indistinguishability obfuscation. The best we can do at the moment without obfuscation is attribute-based levelled FHE which allows circuits of an a priori bounded depth to be evaluated. This has been achieved from the learning with errors (LWE) assumption. However we know of no other way without obfuscation of constructing a scheme that can evaluate circuits of unbounded depth. In this paper, we present an ABFHE scheme that can evaluate circuits of unbounded depth but with one limitation: there is a bound <i>N</i> on the number of inputs that can be used in a circuit evaluation. The bound <i>N</i> could be thought of as a bound on the number of independent senders. Our scheme allows <i>N</i> to be exponentially large so we can set the parameters so that there is no limitation on the number of inputs in practice. Our construction relies on multi-key FHE and levelled ABFHE, both of which have been realised from LWE, and therefore we obtain a concrete scheme that is secure under LWE.
      Keywords: attribute-based encryption; ABE; fully homomorphic encryption; FHE
      Citation: International Journal of Applied Cryptography, Vol. 3, No. 4 (2017) pp. 363 - 376
      PubDate: 2018-01-21T23:20:50-05:00
      DOI: 10.1504/IJACT.2017.089356
      Issue No: Vol. 3, No. 4 (2018)
       
  • On the separation between the FHMQV and HMQV protocols
    • Authors: Augustin P. Sarr, Philippe Elbaz-Vincent
      Pages: 377 - 393
      Abstract: The HMQV protocol is under consideration for IEEE P1363 standardisation. We provide a complementary analysis of the HMQV(-C) protocol. Namely, we point out a key compromise impersonation and a man-in-the-middle attack in the case of a static private key leakage, showing that the HMQV(-C) protocols cannot achieve their security goals. Next, we revisit the FHMQV building blocks, design and security arguments. We clarify the security and efficiency separation between HMQV and FHMQV, showing the advantages of FHMQV over HMQV.
      Keywords: authenticated key exchange; FHMQV; HMQV; key compromise impersonation; KCI attack; security model
      Citation: International Journal of Applied Cryptography, Vol. 3, No. 4 (2017) pp. 377 - 393
      PubDate: 2018-01-21T23:20:50-05:00
      DOI: 10.1504/IJACT.2017.089357
      Issue No: Vol. 3, No. 4 (2018)
       
  • A privacy-enhanced access log management mechanism in SSO systems from
           nominative signatures
    • Authors: Sanami Nakagawa, Takashi Nishide, Eiji Okamoto, Keita Emura, Goichiro Hanaoka, Yusuke Sakai, Akihisa Kodate
      Pages: 394 - 406
      Abstract: In online services, a service provider (SP) manages access logs containing customers' buying histories. Therefore, user's information is revealed from the exposed logs if each customer can be linked. In fact, such information exposure has occurred due to the popularisation of online services. To cope with this problem, SPs may only have to delete access logs, but then no illegitimate users will be traced from the logs. In this paper, we propose a log management mechanism of solving problems. Specifically, we consider single sign on (SSO) systems, since plural access logs might be connected by one account. We construct our privacy-enhanced access log management mechanism based on the Wang-Wang-Susilo SSO system (TrustCom, 2013) which applies the Schuldt-Hanaoka nominative signature scheme (ACNS, 2011). Finally, we estimte the efficiency of the proposed system, computation time is at most just over 80 milliseconds on a PC, which seems sufficiently practical.
      Keywords: nominative signature; single sign on system; access log management; digital signature
      Citation: International Journal of Applied Cryptography, Vol. 3, No. 4 (2017) pp. 394 - 406
      PubDate: 2018-01-21T23:20:50-05:00
      DOI: 10.1504/IJACT.2017.089373
      Issue No: Vol. 3, No. 4 (2018)
       
 
 
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