Research On Biometric-based Security For Data Translated In Wireless Body Area Network

With the continuous development of Internet technology,the wireless body area network(WBAN)has been day by day life in the development of telemedicine and mobile medical and has been widely concerned.At present,the research direction of WBAN is mainly focused on the energy consumption,routing protocol and so on,and the research on data security transmission in WBAN is very little.Due to the transmission of WBAN is through the wireless network and the data of the transmission is almost important privacy which is related to the physiological information of the human body,so it is very easy to be attacked by the illegal users.The data security transmission problem has become one of the important challenges that hinder the development of wireless body area network.Therefore,in the context of telemedicine applications,the thesis has studied the status of WBAN on data security and puts forward a data secure transmission scheme which is based on the biometric data security transmission mechanism.And the thesis has done some related work about procession,discussion and demonstration.In the thesis,the main achievements are included as follows:Firstly,due to the ECG signal is very weak,the original ECG signal contains a variety of noise interference.To remove the interference factors in the ECG signal,some software algorithms has been raised which are realized on the smart phone.The main work is two kinds of interference removal which are baseline drift and power frequency,and the result is good.Secondly,in order to prove that the characteristics of ECG are unique.,the thesis puts forward two method: the singular value decomposition and the dissimilarity of the matrix.And combine with the wavelet decomposition,the experimentation has extracted the characteristic parameters of the ECG signals.Simulation experiments were carried out and finally proved that the ECG signal is unique with the help of some relevant literature.ECG signals can be used as an effective means of identity identification and key management.Thirdly,the thesis has designed a secure transmission scheme which is based on Shamir threshold and Fuzzy Commitment scheme.In the scheme,the identity authentication scheme with high recognition degree is added.The data security transmission scheme is realized with the key of biometric information.Besides,the scheme has also compared with the other encryption scheme,and showing the high security of its own.