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In this paper, we propose a novel Radio Frequency Identification (RFID) system to preserve privacy and enhance security by using the public key cryptography method. In the proposed architecture, the access rights of the tags are controlled by a backend server. These improve security of the system and remedy privacy problems. We analyse security of the proposed system and demonstrate its robustness...
The growing number of PKIs (public key infrastructure) and the increasing number of situations where partners of a transaction may carry certificates signed by different CAs (certification authority) point out the problematic of trust between the different CAs. The degree to which a relying party can trust a CA depends upon the quality of its announced policy and its commitment to this policy. In...
The DNS security extensions (DNSSEC) added public key cryptography to the DNS, but problems remain in selecting signature lifetimes. A zonepsilas master server distributes signatures to secondary servers. The signatures lifetimes should be long so that a secondary server can still operate if the master fails. However, DNSSEC lacks revocation. Signed data can be replayed until the signature expires...
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