204 search results - page 24 / 41 » On Provably Secure Time-Stamping Schemes |
PODC
2003
ACM
14 years 1 months ago
2003
ACM
We propose a new cryptographic primitive called oblivious signaturebased envelope (OSBE). Informally, an OSBE scheme enables a sender to send an envelope (encrypted message) to a ...
CTRSA
2005
Springer
14 years 1 months ago
2005
Springer
We propose a dynamic accumulator scheme from bilinear pairings, whose security is based on the Strong Diffie-Hellman assumption. We show applications of this accumulator in constru...
ESORICS
2006
Springer
13 years 11 months ago
2006
Springer
Abstract. We consider the problem of efficient key management and user revocation in cryptographic file systems that allow shared access to files. A performanceefficient solution t...
TCC
2012
Springer
12 years 3 months ago
2012
Springer
The hash-and-sign RSA signature is one of the most elegant and well known signatures schemes, extensively used in a wide variety of cryptographic applications. Unfortunately, the o...
IEEEARES
2008
IEEE
14 years 2 months ago
2008
IEEE
With the growing demand of databases outsourcing and its security concerns, we investigate privacy-preserving set intersection in a distributed scenario. We propose a one-round pr...