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   A DPA Resistant FPGA Implementation of AES Cryptosystem with Very Low Hardware Overhead  
   
نویسنده Masoumi M.
منبع iranian journal of electrical and electronic engineering - 2012 - دوره : 8 - شماره : 1 - صفحه:16 -27
چکیده    Differential power analysis (dpa) implies measuring the supply current of a cipher-circuit in an attempt to uncover part of a cipher key. cryptographic security gets compromised if the current waveforms obtained correlate with those from a hypothetical power model of the circuit. during last years, there has been a large amount of work done dealing with the algorithmic and architectural aspects of cryptographic schemes implemented on fpgas.however, there are only a few articles that assess their vulnerability to such attacks which, in practice, pose far a greater danger than algorithmic attacks. this paper first demonstrates the vulnerability of the advanced encryption standard algorithm (aes) implemented on a fpga and then presents a novel approach for implementation of the aes algorithm which provides a significantly improved strength against differential power analysis with a minimal additional hardware overhead. the efficiency of the proposed technique was verified by practical results obtained from real implementation on a xilinx spartan-ii fpga.
کلیدواژه Advanced Encryption Standard Algorithm ,Power Analysis Attacks ,Field Programmable Gate Arrays ,Power Attack Countermeasure
آدرس islamic azad university, ایران
پست الکترونیکی m_masoumi@eetd.kntu.ac.ir.
 
     
   
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