The sensor networks have revolutionized wireless technology with next-generation internetworking and scalable infrastructure. Since, the autonomous sensor operates in vulnerable and unattended environmental conditions, hence, securing the sensed data becomes a critical issue. Advanced Encryption Standard popularly known as AES is one of the most common and extensively used algorithms for private key encryption in sensor networks. However, the substitution box lookup table is a time-consuming process in AES. Therefore, our research targets to improve the running time and throughput of AES by proposing a novel technique of splitting AES S-box followed with parallel substituting of two bytes at a time using multithreading. The proposed Enhanced-AES has the feasibility of implementation in the heterogeneous and hierarchical multicore sensor network. Energy consumption and execution time are the parameters used to evaluate the functioning of the Enhanced-AES. Our proposed model outperformed the existing security mechanisms; thereby increasing the lifetime of the sensor network and maintaining the data freshness.

传感器网络通过下一代互联网络和可扩展的基础架构彻底改变了无线技术。由于自主传感器在脆弱且无人值守的环境条件下运行，因此，保护​​感测数据成为关键问题。高级加密标准（俗称AES）是传感器网络中私钥加密的最常用和广泛使用的算法之一。但是，替换框查找表在AES中是一个耗时的过程。因此，我们的研究目标是通过提出一种拆分AES S-box的新技术，然后使用多线程一次并行地替换两个字节，来提高AES的运行时间和吞吐量。所提出的增强型AES具有在异构和分层多核传感器网络中实施的可行性。能耗和执行时间是用于评估增强型AES功能的参数。我们提出的模型优于现有的安全机制。从而延长了传感器网络的寿命，并保持了数据的新鲜度。