345 search results - page 33 / 69 » On the Security of a Variation of Cramer-Shoup's Public Key ... |
CCS
2008
ACM
13 years 9 months ago
2008
ACM
By functionally decomposing a specific algorithm (the hierarchical secure aggregation algorithm of Chan et al. [3] and Frikken et al. [7]), we uncover a useful general functionali...
PKC
2007
Springer
14 years 1 months ago
2007
Springer
: This paper addresses the security of optimistic fair exchange in a multi-user setting. While the security of public key encryption and public key signature schemes in a single-us...
PQCRYPTO
2010
13 years 9 months ago
2010
Abstract. Recently, the Csignature scheme has been completely broken by Dubois et al. [2, 3]. As a consequence, the security of SFLASH and other multivariate public key systems hav...
IJISEC
2008
13 years 7 months ago
2008
Abstract This paper surveys the literature on certificateless encryption schemes. In particular, we examine the large number of security models that have been proposed to prove the...
PKC
2004
Springer
14 years 23 days ago
2004
Springer
Abstract. A group key agreement protocol allows a set of users, communicating over a public network, to agree on a private session key. Most of the schemes proposed so far require ...