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A scalable certificateless architecture for multicast wireless mesh network using proxy re-encryption

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ABSTRACT

Wireless mesh networks are promising means of providing network coverage to areas where infrastructure is difficult to install. However, little work has been done on leveraging security and transmission overheads among multicast members in a multihop wireless network. This paper proposes a novel certificateless architecture for multicast wireless mesh network by exploiting a cryptographic primitive, “certificateless proxy re-encryption.” The methodology we present reduces the transformation ciphertexts from k · n down to k + n, where k and n denote the length of the best route from the sender to the target users and the number of the valid receivers in the group, respectively. The certificateless proxy re-encryption scheme used in our architecture is newly constructed. Our certificateless proxy re-encryption scheme is against adaptive chosen- ciphertext attacks in the standard model. Copyright © 2013 John Wiley & Sons, Ltd.

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