345 search results - page 61 / 69 » On the Security of a Variation of Cramer-Shoup's Public Key ... |
EUROPKI
2004
Springer
13 years 11 months ago
2004
Springer
Abstract. A substantial number of micropayment schemes in the literature are based on distributing the cost of a digital signature over several successive micropayments (e.g. Paywo...
CSI
2007
13 years 7 months ago
2007
We propose a generic framework for the development of an off-line peer-to-peer electronic payment system with fixed-value electronic coins. The proposed scheme simulates the issua...
EUROPKI
2009
Springer
13 years 5 months ago
2009
Springer
The trustworthiness of any Public Key Infrastructure (PKI) rests upon the expectations for trust, and the degree to which those expectations are met. Policies, whether implicit as ...
EUROCRYPT
2011
Springer
12 years 11 months ago
2011
Springer
We construct the first homomorphic signature scheme that is capable of evaluating multivariate polynomials on signed data. Given the public key and a signed data set, there is an...
FSE
1997
Springer
13 years 11 months ago
1997
Springer
This paper presents several methods to construct trapdoor block ciphers. A trapdoor cipher contains some hidden structure; knowledge of this structure allows an attacker to obtain ...