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Mobile IPv6 is a very important part in the mobile computing for global Internet. However, there are some vulnerability and attacks in the current mobile IPv6 such binding update and MITM. Therefore, the safe and flexible model to authenticate every entity is required. This paper studies the existing security problems in the current mobile IPv6; meanwhile, we summary and analyze the existing authentication...
Tagging systems are known to be particularly vulnerable to tag spam. Due to the self-organization and self-maintenance nature of Peer-to-Peer (P2P) overlay networks, users in the P2P tagging systems are more vulnerable to tag spam than the centralized ones. This paper proposes SpamResist, a novel social reliability-based mechanism. For each tag search, SpamResist client groups the search respondents...
Deceptive behaviors of peers in peer-to-peer (P2P) content sharing systems have become a serious problem due to the features of P2P overlay networks such as anonymity, self-organization, etc. This paper presents Sorcery, a novel active challenge-response mechanism based on the notion that one side of interaction with dominant information can detect whether the other side is telling a lie. To make...
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