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An improved LU matrix key-distribution scheme for wireless sensor networks is proposed. Based on the LU matrix, the hash function and the clustered structure, this scheme can delete and update key information with the network topology changes to avoid key information to be revealed. Also, this scheme can reduce communication, computation and key storage overhead, which can solve the problem that each...
Wireless sensor networks are widely applied in various applications. But due to the resource-constrained sensor nodes and the malicious attacks, the traditional key management schemes are not suitable for the network. Based on the particularities, many relevant key management schemes are developed for wireless sensor networks. This paper proposes an improved matrix key-distribution scheme for wireless...
Array operations exist in many nontrivial programs. Array operations can cause subtle information leaks. Many type systems of secure information flow have been developed, however, so far little type system attention to secure information flow of discretional array operations. This paper allows array as first-class value and encodes multidimensional array as array of array by alias array. The soundness...
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