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Nowadays, Wireless Sensor Network (WSN) is becoming a hot topic after the "Sensor China" concept proposed in 2009. Sensor nodes are deployed in a hostile or unattended environment to collect the data information. Therefore, network security has become a big problem. A new key management scheme of security network architecture for wireless sensor network is presented in this paper. The proposed...
Digital signature schemes based on public-key cryptosystems generally permit existential forgery, except the schemes are equipped with some message formatting mechanisms, such as using hash functions or padding redundancies. In 2004, Chang et al. proposed a new digital signature scheme, and claimed the scheme without using any hash function or padding any redundancy can resist forgery attacks. However,...
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