FC
13 years 6 months ago
2010 Springer 
Abstract. The dawning Ubiquitous Computing age demands a new attacker model for the myriads of pervasive computing devices used: since a potentially malicious user is in full contr...
FC
13 years 9 months ago
2010 Springer 
We present a new construction of divisible e-cash that makes use of 1) a new generation method of the binary tree of keys; 2) a new way of using bounded accumulators. The transacti...
FC
13 years 8 months ago
2010 Springer
Abstract. Secure login methods based on human cognitive skills can be classified into two categories based on information available to a passive attacker: (i) the attacker fully ob...
FC
13 years 9 months ago
2010 Springer 
We introduce the novel notion of Verifiable Encryption of Chameleon Signatures (VECS), and then use it to design a three-round abuse-free optimistic contract signing protocol. Key...
FC
13 years 9 months ago
2010 Springer 
—This paper discusses public-key authenticated key agreement protocols. First, we critically analyze several authenticated key agreement protocols and uncover various theoretical...
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Cryptology