Data Security Protocol for Wireless Sensor Network using Chaotic Map

In last years, many cryptosystems relay on the chaotic maps have been proposed. Many significant features of chaotic systems can be exploited in cryptography like: ergodicity, instability to initial condition, and confusion feature. These features lead to a significant relationship between cryptography and chaos. Because of widely usage of WSNs in variety environments, it is important to save the transferred messages from unwanted access. Security of these data while transferring through the network happens to be more critical. In this study, a new cryptosystem called Hybrid Chaotic Cryptosystem Tent-PWLCM (HCCTPWLCM) have been suggested, based on two chaotic methods to create keys and encrypt the WSN's data in a multistep manner to enhance the security of WSN's. The analysis and experimental results show that the execution time and the security achieved by the proposed method are very suitable for securing communications in a variety of WSNs applications, and real-time applications.