8 search results - page 2 / 2 » Unconditionally Secure First-Price Auction Protocols Using a... |
TCC
2009
Springer
14 years 8 months ago
2009
Springer
Abstract. In this paper we consider commitment schemes that are secure against concurrent man-in-the-middle (cMiM) attacks. Under such attacks, two possible notions of security for...
TCC
2009
Springer
14 years 8 months ago
2009
Springer
The concept of witness-hiding suggested by Feige and Shamir is a natural relaxation of zero-knowledge. In this paper we identify languages and distributions for which many known co...
JUCS
2008
13 years 7 months ago
2008
Abstract: Oblivious transfer is an important cryptographic protocol in various security applications. For example, in on-line transactions, a k-out-of-n oblivious transfer scheme a...