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With the development of wireless communication technology, the applications of Mobile ad hoc network (MANET) have been constantly expanded. However, MANET faces many security threats because of their own properties. Authentication is the fundamental service to protect the security of MANET, and in many applications users typically want personal information kept confidential, so that it required the...
Take advantage of the feature that the energy distribution ratio is approximately 4.5:2.2:2.2:1.1 in the four LL1 sub-images (LL2, LH2, HL2 and HH2) after first-order GHM multi-wavelet transform. Use the feather of image bit plane embedded strategy. Propose an information hiding scheme based on GHM and combination bit plane (CBP). LL2 is embedded module of robust parameters. Embed hiding Information...
This paper proposes a new key management scheme for wireless sensor networks to reduce the memory and communication overhead, and improve the security capacity. Comparing with the typical key pre-distribution schemes, a new method of establishing keys is adopted, and is analyzed deeply in three important performance indexes. The theory of liner combination is applied to generate the keys using the...
Lightweight authentication protocols are necessary in the RFID system because the tag lacks computational resources, memory, power and communication ability. This paper analyzes the security of different lightweight protocols in the HB protocol family and presents an active attack against the modified HB++ protocol proposed by Selwyn Piramuthu. According to this attack, the AUHB++ protocol is proposed...
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