Secret Error Control Codes Against Malicious Attacks in Random Multisource Network Coding

Authors:
Siguang Chen;Meng Wu;Weifeng Lu
Affiliations:
College of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing, China;College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China and Key Lab of "Broadband Wireless Communication and Sensor Network Te ...;College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China
Venue:
Wireless Personal Communications: An International Journal
Year:
2013

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Abstract

This paper investigates the problem of constructing a secret error-correcting multisource network coding scheme against an adversary that can re-select the μ tapping links in different time slice and inject z erroneous packets into network, and the network suffers from 驴 packet erasures. In our network scenario, multiple sources transmit information to one or more receivers and these receivers request the information from all the sources. Firstly, a necessary condition is derived for keeping the transmitted information from multisource nodes are secret from the eavesdropper, while the network is only subject to the eavesdropping attack. Subsequently, we provide two multisource network coding schemes for error and erasure correction which can decode the transmitted information correctly. After that, a secret and reliable multisource network coding is proposed. This scheme can retrieve the original information secretly and accurately from the corrupt and deficient information. Meanwhile, it can obtain an asymptotic achievable rate of k 驴 2z 驴驴驴 3μ. Moreover, the intermediate nodes are oblivious to the concrete encoding and decoding algorithms implement in source and destination nodes. Finally, security and performance analyses illustrate the advantages of our proposed scheme.