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eSPOC: Enhanced Secure Practical Network Coding for Better Efficiency and Lower Latency

Network Coding is a key technique to fulfill the demands of next generation information technology. However, stored and transmitted data is only valuable if its confidentiality is ensured. In recent years, there has been several approaches that exploit properties of network coding to enforce confidentiality in a more efficient way. In this work, we present eSPOC, an enhanced version of an existing scheme (SPOC) that yields better results in communication overhead, energy consumption, and latency. A theoretical analysis as well as measurements on a testbed confirm the benefits of our scheme compared to state-of-the-art schemes.