A Secure Scheme for Aggregating Encrypted Data Against Outsider Attacks in Wireless Sensor Networks
Journal Title: International Journal on Computer Science and Engineering - Year 2011, Vol 3, Issue 2
Abstract
Wireless sensor networks are low powered energy operated sensors mainly deployed in remote environments. Using methods to save energy is of utmost importance in these systems. Data transmission in such networks is by far the most energy consuming task and by reducing its contribution a great amount of energy can be saved. Data aggregation can extend network lifetime and reduce its traffic. However, providing security requirements such as, end-to-end confidentiality or aggregate integrity while performing data aggregation is a challenging task. Here, we propose a scalable method for aggregating encrypted data. The integrity of aggregated data from outsider attacks is checked through a distributed method. Compared to the previous method, our scheme achieves better performance in presence of silent nodes and avoids blind rejection in presence of outsider attacks.
Authors and Affiliations
Mitra Baratchi , Kamal Jamshidi
Keywords
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