The applications of wireless sensor network(WSN)exhibits a significant rise in recent days since it is enveloped with various advantageous benefits.In the medical field,the emergence of WSN has created marvelous chang...The applications of wireless sensor network(WSN)exhibits a significant rise in recent days since it is enveloped with various advantageous benefits.In the medical field,the emergence of WSN has created marvelous changes in monitoring the health conditions of the patients and so it is attracted by doctors and physicians.WSN assists in providing health care services without any delay and so it plays predominant role in saving the life of human.The data of different persons,time,places and networks have been linked with certain devices,which are collectively known as Internet of Things(IOT);it is regarded as the essential requirement of people in recent days.In the health care monitoring system,IOT plays a magnificent role,which has produced the real time monitoring of patient’s condition.However the medical data transmission is accomplished quickly with high security by the routing and key management.When the data from the digital record system(cloud)is accessed by the patients or doctors,the medical data is transferred quickly through WSN by performing routing.The Probabilistic Neural Network(PNN)is utilized,which authenticates the shortest path to reach the destination and its performance is identified by comparing it with the Dynamic Source Routing(DSR)protocol and Energy aware and Stable Routing(ESR)protocol.While performing routing,the secured transmission is achieved by key management,for which the Diffie Hellman key exchange is utilized,which performs encryption and decryption to secure the medical data.This enables the quick and secured transmission of data from source to destination with improved throughput and delivery ratio.展开更多
This paper presents an efficient crypto processor architecture for key agreement using ECDH(Elliptic-curve Diffie Hellman)protocol over GF2163.The composition of our key-agreement architecture is expressed in consist...This paper presents an efficient crypto processor architecture for key agreement using ECDH(Elliptic-curve Diffie Hellman)protocol over GF2163.The composition of our key-agreement architecture is expressed in consisting of the following:(i)Elliptic-curve Point Multiplication architecture for public key generation(DESIGN-I)and(ii)integration of DESIGN-I with two additional routing multiplexers and a controller for shared key generation(DESIGN-II).The arithmetic operators used in DESIGN-I and DESIGNII contain an adder,squarer,a multiplier and inversion.A simple shift and add multiplication method is employed to retain lower hardware resources.Moreover,an essential inversion operation is operated using the Itoh-Tsujii algorithm with similar hardware resources of used squarer and multiplier units.The proposed architecture is implemented in a Verilog HDL.The implementation results are given on a Xilinx Virtex-7 FPGA(field-programmable gate array)device.For DESIGN-I and DESIGN-II over GF2163,(i)the utilized Slices are 3983 and 4037,(ii)the time to compute one public key and a shared secret is 553.7μs and 1170.7μs and(iii)the consumed power is 29μW and 57μW.Consequently,the achieved area optimized and power reduced results show that the proposed ECDH architecture is a suitable alternative(to generate a shared secret)for the applications that require low hardware resources and power consumption.展开更多
文摘The applications of wireless sensor network(WSN)exhibits a significant rise in recent days since it is enveloped with various advantageous benefits.In the medical field,the emergence of WSN has created marvelous changes in monitoring the health conditions of the patients and so it is attracted by doctors and physicians.WSN assists in providing health care services without any delay and so it plays predominant role in saving the life of human.The data of different persons,time,places and networks have been linked with certain devices,which are collectively known as Internet of Things(IOT);it is regarded as the essential requirement of people in recent days.In the health care monitoring system,IOT plays a magnificent role,which has produced the real time monitoring of patient’s condition.However the medical data transmission is accomplished quickly with high security by the routing and key management.When the data from the digital record system(cloud)is accessed by the patients or doctors,the medical data is transferred quickly through WSN by performing routing.The Probabilistic Neural Network(PNN)is utilized,which authenticates the shortest path to reach the destination and its performance is identified by comparing it with the Dynamic Source Routing(DSR)protocol and Energy aware and Stable Routing(ESR)protocol.While performing routing,the secured transmission is achieved by key management,for which the Diffie Hellman key exchange is utilized,which performs encryption and decryption to secure the medical data.This enables the quick and secured transmission of data from source to destination with improved throughput and delivery ratio.
基金We acknowledge the support of Deanship of Scientific Research at King Khalid University for funding this work under grant number R.G.P.1/399/42.
文摘This paper presents an efficient crypto processor architecture for key agreement using ECDH(Elliptic-curve Diffie Hellman)protocol over GF2163.The composition of our key-agreement architecture is expressed in consisting of the following:(i)Elliptic-curve Point Multiplication architecture for public key generation(DESIGN-I)and(ii)integration of DESIGN-I with two additional routing multiplexers and a controller for shared key generation(DESIGN-II).The arithmetic operators used in DESIGN-I and DESIGNII contain an adder,squarer,a multiplier and inversion.A simple shift and add multiplication method is employed to retain lower hardware resources.Moreover,an essential inversion operation is operated using the Itoh-Tsujii algorithm with similar hardware resources of used squarer and multiplier units.The proposed architecture is implemented in a Verilog HDL.The implementation results are given on a Xilinx Virtex-7 FPGA(field-programmable gate array)device.For DESIGN-I and DESIGN-II over GF2163,(i)the utilized Slices are 3983 and 4037,(ii)the time to compute one public key and a shared secret is 553.7μs and 1170.7μs and(iii)the consumed power is 29μW and 57μW.Consequently,the achieved area optimized and power reduced results show that the proposed ECDH architecture is a suitable alternative(to generate a shared secret)for the applications that require low hardware resources and power consumption.
