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IJNSEC
2007
14 years 9 months ago
2007
In 2001, Rivest et al. rstly introduced the concept of ring signatures. A ring signature is a simpli ed group signature without any manager. It protects the anonymity of a signer....
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IHI
2010
14 years 4 months ago
2010
One of the concerns patients have when confronted with a medical condition is which physician to trust. Any recommendation system that seeks to answer this question must ensure an...
IEEESCC
2007
IEEE
15 years 3 months ago
2007
IEEE
eb services are becoming widely deployed to implement the automation of business processes such as supply chain management, inventory tracking, and healthcare management, just to ...
CCS
2009
ACM
15 years 4 months ago
2009
ACM
Most cryptographic algorithms provide a means for secret and authentic communication. However, under many circumstances, the ability to repudiate messages or deny a conversation i...
ASIACRYPT
2003
Springer
15 years 2 months ago
2003
Springer
In this paper1 we propose a new symmetric block cipher with the following paradoxical traceability properties: it is computationally easy to derive many equivalent secret keys prov...