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FPGA based optimized SHA-3 finalist in reconfigurable hardware

FPGA based optimized SHA-3 finalist in reconfigurable hardwa...

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2011 International Symposium on Integrated Circuits, ISIC 2011

作者： Song, Qian Wang, Yi Li, Zhican Zhou, Quan Wu, Wufei Han, Demin Xu, Wenlong Chen, Zuo Li, Renfa Embedded Systems and Networking Laboratory Hunan University Hunan Provincial Key Laboratory of Network and Information Security China

ISBN: (纸本)9781612848648

A hash function is well-defined procedure to convert large, uncertain long message into fixed small integers. Secure Hash Algorithm (SHA) is an one-way message digest algorithm which is usually used in cryptographic applications such as authentication, digital signature and data integrity. In this paper, we proposed the reconfigurable structure for SHA-3 finalist BLAKE, Grøstl, JH, Keccak and Skein, separately. The proposed reconfigurable Grøstl, JH and Keccak could support different digested sizes. And Skein and BLAKE optimized three different modes using one single hardware core. The experimental results showed that our proposed structure could support different parameters of SHA-3 finalist with comparable performance among the existing works when ported to Xilinx Virtex-5 FPGA platform. © 2011 IEEE.

关键词： Field programmable gate arrays (FPGA)

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An improved differential fault analysis attack to AES using reduced searching space

An improved differential fault analysis attack to AES using ...

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5th International Symposium on Cyberspace Safety and Security, CSS 2013

作者： Cai, Zemin Wang, Yi Li, Renfa Embedded Systems and Networking Laboratory Hunan University China Hunan Provincial Key Laboratory of Network and Information Security Hunan University Changsha China

ISBN: (纸本)9783319035833

Differential Power Analysis against AES proved to be effective, with use mask techniques, we can truncate the relevance and defense DPA attacks successfully. In this paper, we introduce a new mean called DFA (Differential Fault Attack), DFA has been shown successfully to attack AES algorithm with masking. We inject a fault to the intermediate results and other general form to obtain the ciphertext with faults, using the ciphertext we can recover the keys. Firstly, we construct the Sbox/InvSbox distribution tables to make the results sets space is less than 28 with two correct/fault ciphertexts pairs, even, in most cases, the set space are strict in 22. Secondly, we also demonstrated that the model of DFA we constructed can ignore the masking techniques and propose some methods to recover the keys with less time consuming and reduced searching space. Lastly, we make the module into an application and prove the module is effective. © Springer International Publishing Switzerland 2013.

关键词： Side channel attack

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RTISM: Real-Time Inter-VM Communication Based on Shared Memory for Mixed-Criticality Flows 44

RTISM: Real-Time Inter-VM Communication Based on Shared Memo...

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44th IEEE Real-Time Systems Symposium, RTSS 2023

作者： Li, Zonghong Xie, Guoqi Ma, Wenhong Xiao, Xiongren Xie, Yong Ren, Wei Chang, Wanli College of Computer Science and Electronic Engineering Hunan University Key Laboratory for Embedded and Network Computing of Hunan Province China Research Institute of Hunan University Chongqing China Nanjing University of Posts and Telecommunications China Huawei Technologies China

ISBN: (纸本)9798350328578

Virtual machines (VMs) have been increasingly deployed in real-time systems to enhance heterogeneous resource sharing. Despite being isolated for security and prevention of failure propagation, VMs need to communicate with each other to complete certain tasks jointly. A real-time inter-VM communication framework has been proposed based on VirtIO, which is in essence a mechanism of message passing with high latency and low scalability on data amount. In contrary, IVSHMEM implements inter-VM communication with shared memory, which is generally fast and large in throughput. Unfortunately, IVSHMEM does not resolve resource contention between flows and hence cannot be applied in real-time scenarios. In this work, we propose a real-time inter-VM communication framework RTISM built upon shared memory and IVSHMEM. RTISM provides priority-based scheduling and supports mixed-criticality flows. Worst-Case Response Time (WCRT) analysis is reported to bound the end-to-end communication delay and a Limited Priority Assignment (LPA) algorithm is developed to enhance schedulability. Experimental evaluation shows that (i) RTISM has about 4 times higher throughput than the VirtIO-based inter-VM communication framework;(ii) LPA improves schedulability by over 25% compared to the state-of-the-art;(iii) WCRT produces a tight bound. © 2023 IEEE.

关键词： Real time systems

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Secret sharing based countermeasure for AES S-box

Secret sharing based countermeasure for AES S-box

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2011 International Symposium on Integrated Circuits, ISIC 2011

作者： Wang, Yi Yuan, Zheng Li, Zhican Li, Renfa Embedded Systems and Networking Laboratory Hunan University Hunan Provincial Key Laboratory of Network and Information Security Changsha China

ISBN: (纸本)9781612848648

Cryptographic devices are vulnerable to Differential Power Attack (DPA) in embedded systems. Masking methods are popularly used to defend against DPA by masking all intermediate data with random values. However, masking schemes on algorithm level are vulnerable to Higher-Order DPA (HODPA), while on gate level glitch attack is the biggest threaten attack. In this paper, we proposed a secret sharing based countermeasure for AES S-box, which can defend against both HODPA and glitch attack. The experimental results show that our proposed design takes up less hardware resources and achieves faster speed compared with the existing methods. © 2011 IEEE.

关键词： Field programmable gate arrays (FPGA)

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An Improved algorithm of parameters reconfiguration in cognitive radio networks using ant colony optimization

An Improved algorithm of parameters reconfiguration in cogni...

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2015 3rd International Conference on Manufacturing Engineering and Technology for Manufacturing Growth(METMG 2015)

作者： Shaoyuan Liu Key Laboratory for Embedded and Network Computing of Hunan Province Hunan University

Recent years, cognitive radio techniques have becoming a promising solution to tackle the bottleneck of spectrum scarcity. As an essential characteristics for CRN, the cognitive parameter reconfiguration can automatically adjust the parameters to meet the user demands and adapt to the timevarying environment. However parameter reconfiguration and complex environment cognition are still challenging due to their need for high speed parallel computation and multi-objects optimization. In this aspect, ant colony optimization(ACO) technique, as an intelligent technology to solve the complex issues, is introduced to the reconfiguration process to achieve the assignment. The goal of this paper is to present a parameters reconfiguration scenario using ACO with a comprehensive fitness function for reconfiguration decision making with regard to the multiple and complex objectives. Finally, series of results have demonstrated the stability and validity of the ACO based reconfiguration algorithm in CRN.

关键词： ACO simulation An Improved algorithm of parameters reconfiguration in cognitive radio networks using ant colony optimization

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Multi-Users Cooperative Spectrum Sensing in Distributed Cognitive Radio networks with Energy Harvesting

Multi-Users Cooperative Spectrum Sensing in Distributed Cogn...

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2nd International Conference on Simulation and Modeling Methodologies,Technologies and Applications(SMTA 2015)

作者： H.Wang F.Z.Zeng Key Laboratory for Embedded and Network Computing of Hunan Province Hunan University

In this paper we propose an improved sensing scheme in cognitive radio networks, which allows the secondary users to utilize the spectrum of primary users when these resources are not being used currently. We first apply multi-user cooperative spectrum sensing in cognitive radio networks to improve both energy efficiency and spectrum utility. Secondly, we investigate the energy harvesting communication model. Finally, we analysis the probability of the proposed spectrum sensing scheme, and obtain an optimal solution under the scenarios of non-energy harvesting scheme and energy harvesting scheme respectively. The simulation results demonstrate the high performance of our proposed scheme.

关键词： Multi-Users Cooperative Spectrum Sensing in Distributed Cognitive Radio networks with Energy Harvesting Radio

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New binary artificial bee colony for the 0-1 knapsack problem 9th

New binary artificial bee colony for the 0-1 knapsack proble...

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9th International Conference on Swarm Intelligence, ICSI 2018

作者： Nouioua, Mourad Li, Zhiyong Jiang, Shilong The College of Computer Science and Electronic Engineering Hunan University Changsha China Key Laboratory for Embedded and Network Computing of Hunan Province Changsha China PKU-HKUST Shenzhen-HongKong Institution Shenzhen China

ISBN: (纸本)9783319938141

The knapsack problem is one of the well known NP-Hard optimization problems. Because of its appearance as a sub-problem in many real world problems, it attracts the attention of many researchers on swarm intelligence and evolutionary computation community. In this paper, a new binary artificial bee colony called NB-ABC is proposed to solve the 0-1 knapsack problem. Instead of the search operators of the original ABC, new binary search operators are designed for the different phases of the ABC algorithm, namely the employed, the onlooker and the scout bee phases. Moreover, a novel hybrid repair operator called (HRO) is proposed to repair and improve the infeasible solutions. To assess the performance of the proposed algorithm, NB-ABC is compared with two other existing algorithms, namely GB-ABC and BABC-DE, for solving the 0-1 knapsack problem. Based on a set of 15 0-1 high dimensional knapsack problems classified in three categories. the experimental results in view of many criteria show the efficiency and the robustness of the proposed NB-ABC. © Springer International Publishing AG, part of Springer Nature 2018.

关键词： Repair

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Improvement on masked S-box hardware implementation

Improvement on masked S-box hardware implementation

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2012 International Conference on Innovations in Information Technology, IIT 2012

作者： Zeng, Juanli Wang, Yi Xu, Cheng Li, Renfa Embedded System and Network Laboratory Hunan University Changsha Hunan 410082 China Hunan Province Key Laboratory of Network and Information Security Hunan University Changsha Hunan 410082 China College of Information Science and Engineering Hunan University Changsha Hunan 410082 China Department of Electrical and Computer Engineering National University of Singapore Singapore 117576 Singapore

ISBN: (纸本)9781467311014

Masking in gate level could efficiently protect AES S-box out of power analysis attack. But there still exists a kind of attack, called glitch attack, to achieve the sensitive information from gate cell leakage. Some works had been done to resist against glitch attack, which carefully masked AND gate or used Wave Dynamic Differential Logic (WDDL) cell. In this paper, we propose an improved masked AND gate, in which the relationship between input masked values and masks is nonlinear. Usually, when converting S-box operations from GF(2 8) to GF(((22)2)2), all the necessary computations become XOR and AND operations. Therefore, to fully mask AES S-box is to substitute the unmasked XOR and AND operations with the proposed masked AND gate and protected XOR gate. Although the proposed masked AND gate take up one extra XOR gate than Trichina's design and Baek's design, it can resist against glitch attack without using specific gate cell, such as WDDL. © 2012 IEEE.

关键词： Field programmable gate arrays (FPGA)

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A unified architecture for DPA-resistant PRESENT

A unified architecture for DPA-resistant PRESENT

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2012 International Conference on Innovations in Information Technology, IIT 2012

作者： Zhao, Wei Wang, Yi Li, Renfa Embedded System and Network Laboratory Hunan University Changsha Hunan 410082 China Hunan Province Key Laboratory of Network and Information Security Hunan University Changsha Hunan 410082 China College of Information Science and Engineering Hunan University Changsha Hunan 410082 China Department of Electrical and Computer Engineering National University of Singapore Singapore 117576 Singapore

ISBN: (纸本)9781467311014

Recently, there is a new kinds of cryptographic algorithms are proposed to meet the requirements of "lightweight" applications. PRESENT is one of them, which is built based on 4-bit substitution transformation (S-box) and suitable for low cost hardware implementations. Usually, there needs two 4-bit S-boxes, Sp, ISp, for PRESENT encryption and decryption, in which ISp can be computed from Sp. Therefore, we proposed a unified architecture to supporting the operations of PRESENT encryption and decryption. There also exists a kind of power analysis attacks pose a serious threat on hardware based PRESENT. In order to resist against DPA, we proposed a new masking scheme for PRESENT, in which the nonlinear substitution needs to be carefully masked. In order to reduce the hardware resources for the proposed masking scheme, we reuse the masked Sp to generate masked ISp. The experimental results show that our proposed unified masked PRESENT takes up only one time larger than the unmasked existing design. But, it is obvious that our proposed design has the ability to defend against DPA. © 2012 IEEE.

关键词： Computer architecture

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On Efficient Feature Ranking Methods for High-Throughput Data Analysis

On Efficient Feature Ranking Methods for High-Throughput Dat...

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作者： Liao, Bo Jiang, Yan Liang, Wei Peng, Lihong Peng, Li Hanyurwimfura, Damien Li, Zejun Chen, Min Key Laboratory for Embedded and Network Computing of Hunan Province College of Information Science and Engineering Hunan University Changsha Hunan410082 China School of Computer Science and Engineering Hunan University of Science and Technology Xiangtan411201 China Department of Computer Science and Engineering Changsha Medical University Changsha Hunan410219 China

Efficient mining of high-throughput data has become one of the popular themes in the big data era. Existing biology-related feature ranking methods mainly focus on statistical and annotation information. In this study, two efficient feature ranking methods are presented. Multi-target regression and graph embedding are incorporated in an optimization framework, and feature ranking is achieved by introducing structured sparsity norm. Unlike existing methods, the presented methods have two advantages: (1) the feature subset simultaneously account for global margin information as well as locality manifold information. Consequently, both global and locality information are considered. (2) Features are selected by batch rather than individually in the algorithm framework. Thus, the interactions between features are considered and the optimal feature subset can be guaranteed. In addition, this study presents a theoretical justification. Empirical experiments demonstrate the effectiveness and efficiency of the two algorithms in comparison with some state-of-the-art feature ranking methods through a set of real-world gene expression data sets. © 2015 IEEE.

关键词： Convex optimization

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