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In recent years, the Elliptic Curve Cryptosystem (ECC) has attracted a great deal of attention due to its advantages. In this paper, a new ECC based scheme in a hierarchical mobile agent framework is presented. In the proposed scheme legality of agents is verified by hosts to avoid the masquerade attack. Analyzing the security criteria and performance reports the suitability of the proposed scheme...
In this paper, we propose OTRU, a high speed probabilistic multi-dimensional public key cryptosystem that encrypts eight data vectors in each encryption round. The underlying algebraic structure of the proposed scheme is the power-associative and alternative octonions algebra which can be defined over any Dedekind domain such as convolution polynomial ring. The proposed public key cryptosystem relies...
Datapath merging is an efficient high level synthesis method to merge data flow graphs (DFGs), corresponding to two or more computational intensive loops. This process creates a general purpose datapaths (merged datapaths) instead of multiple datapaths that results in shorter bit-stream length and therefore reduces the configuration time in reconfigurable systems. The merged datapath, however has...
Being able to predict the coming seizure can impressively improve the quality of the patients' lives since they can be warned to avoid doing risky activities via a prediction system. Here, a locally linear neuro fuzzy model is used to predict the EEG time series. Subsequently, this model is utilized in accompany with Singular Spectrum Analysis for prediction. Afterward, an information theoretic criterion...
Switched reluctance motor (SRM) drive has a remarkable characteristic, which makes it attractive for high-speed in low voltage applications. In this paper, a new drive circuit from the bridge family which uses resonant circuit during discharge period is presented. The new topology provides faster rate of current discharge. The basic control strategy for a switched reluctance motor drive circuit is...
Quantum-dot Cellular Automata is a novel nanotechnology that promises extra low-power, extremely dense and high speed structure for construction of logical circuits at a nano-scale. Moreover, multiplexer is a useful component for the design of many important circuits. This paper proposes a novel and efficient design of 2:1 multiplexer in the QCA. The proposed multiplexer has been compared to few recent...
Partially runtime reconfiguration is an efficient method for use in the limited resources in order to increase the performance of the system. In these systems, all the processes use the reconfigurable resources and place their hardware tasks at run time without affecting each other. One of the challenging problems in online task placement is fragmentation of reconfigurable resources. This paper focuses...
Frequent episode discovery in alerts generated by intrusion detection systems has useful information for administrators. In this paper we consider the process of discovering frequent episodes in event sequences. Counting the frequencies of a set of candidate episodes is the most computationally intensive part of this process. We investigate the frequency counting algorithms and present the hardware...
Partially runtime reconfiguration allows runtime mapping and execution of several tasks on a FPGA. In order to enhance the efficiency of the reconfigurable computing, multitasking on FPGAs is proposed. One of the challenging problems in multitasking systems is online task placement. This paper focuses on task placement in a reconfigurable system. Several techniques for nonrectangular tasks are investigated...
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