Designing a complementary system of authentication base on galvanic body communication

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Institute of Electrical and Electronics Engineers Inc.
This article deals with the design, development and operation of security applications oriented in bodycommunication, along with analysis, evaluation and design of a complementary system of user authentication through fingerprint galvanic coupling and an authentication code. Different tests of galvanic model were performed to observe the frequency range, bandwidth, and also the conductivity of the human body. This way you can get a model safer and easier for users authentication. Besides it was designed and implemented a method to limit the transmission power and the signal is only transmitted in one part of the body, and prevent the information can be spread to other areas of the body. This galvanic method excludes the emission of electromagnetic fields which reduces the possibility of information theft. © 2016 IEEE.