With the rapid development of computers network, people more focus on the security of the information in networks. The research and application of cryptology is one of the core domains of the information security technique. Elliptic Curve Cryptosystems (ECC) is researched widely in the field of cryptology in recent yeas, Researchers at home and broad
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Elliptic curve public-key cryptography is the major research direction of modern cryptography. Digital signatures and key agreement are the two main fields of cryptography research and they have some important applications. In this thesis, it firstly presents the main branches of public-key cryptography, and then summarizes digital signatures which based on different problems and application
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With the development of computer and communicatin technology,2G and3G have a rapid developing.3G has put forward specific security measures, from the authentication algorithm, the key agreement protocol to encryption algorithm. Due to the opening characteristic of the mobile network, the mobile network can’t meet the people’s requirement of security. The existing mobile network has mainly
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In recent years, with the rapid development of communication technology, andwidely used of mobile terminal equipments in wireless networks, people’s lives hasbeen improved a lot. At the same time, the security of wireless network issues and thelimited resources of mobile terminals are becoming the center of attention, whichcould not be well dealt with the existed
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As an infrastructureless mobile multi-hop network, Ad Hoc networks are easily accessible, efficient, and can be used in many environments, such as rescue, meeting, and battlefield, adventure, monitoring the goal of occasions in dangerous or remote environments. It can also be used to expand the ends of cellular network. Therefore Ad Hoc networks turn out
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With the standardization of P2PSIP, authentication of user’s identity in the absence of a central authority becomes a main security problem in P2PSIP. Using public key cryptography (PKC) is one known approach to authenticate user in p2p network. However, traditional PKC needs the Public Key Infrastructure (PKI) to provide an assurance to the user about
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The global mobile communication has been developing fast in recent years, besides the voice service, the data service is on the increase too. However, none of the existing wireless systems can simultaneously satisfy the requirements of the future mobile communications and pervasive computing. To the 3G mobile communication network for the rapid development of wireless
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With the development of information technology bluetooth has been widely used. At the same time its security problems are revealed day by day. It is the critical issue how to keep sensitive data transmitted by bluetooth secure. In this paper, security mechanism of bluetooth and threats to it are researched and investigation actualities are analyzed.
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Radio Frequency Identification (RFID) is a contactless and automatic identification technology with radio communication. With the advantages of high-speed moving object identification, multi-objects identification, and contactless identification, RFID technology has been widely used in many areas, such as industrial automatization, commercial automatization and transportation management, and brought convenience to our daily life. With the development
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Authenticated key agreement (AKA) protocols enable two parties agreeing on a session key over a public network in secure and authenticated manner. With a rapid development of WiMAX network, network security becomes an important issue and how to design a secure AKA protocol is not only a work of great realistic significance, but also has
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