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Published in:
06-11-2017
Secure error-correcting (SEC) schemes for network coding through McEliece cryptosystem
Published in: Cluster Computing | Special Issue 5/2019
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Abstract
The McEliece cryptosystem based on rank-metric codes is presented to offer both security and error-correction simultaneously in random network coding system. In the multicast network, the original messages are encoded with McEliece cryptosystem based on Gabidulin codes. Key distribution will be done one time. The rank codes decoding is performed in the sink. As long as \(t < {d_R}\left( C \right) /2\), the decoding is guaranteed, where t is the number of corrupted packets and \({d_R}\left( C \right) \) is the minimum rank distance of the rank codes C. Original messages are protected based on the cryptosystem. Compared with the rate \(\mathrm{{n}} - \mu - 2t\) in traditional SEC network codes, the rate approaches \(\mathrm{{n}} - 2t\) where \(\mu \) is the number of eavesdroppers. The rate won’t decrease as the number of eavesdropped edges increases.