50 search results - page 9 / 10 » Cryptanalysis of Two Group Signature Schemes |
IACR
2011
12 years 5 months ago
2011
We put forward a generalization of lossy trapdoor functions (LTFs). Namely, all-but-many lossy trapdoor functions (ABM-LTFs) are LTFs that are parametrized with tags. Each tag can...
BROADNETS
2005
IEEE
13 years 11 months ago
2005
IEEE
Abstract— Privacy and security are two important but seemingly contradict objectives in pervasive computing environments (PCEs). On the one hand, service providers want to authen...
ACISP
2001
Springer
13 years 10 months ago
2001
Springer
An English auction is the most familiar type of auctions. Generally, an electronic auction has mainly two entities, the registration manager(RM) who treats the registration of bidd...
EUROCRYPT
2007
Springer
13 years 12 months ago
2007
Springer
We study an adaptive variant of oblivious transfer in which a sender has N messages, of which a receiver can adaptively choose to receive k one-after-the-other, in such a way that ...
IACR
2011
12 years 5 months ago
2011
Companies, organizations, and individuals often wish to share information to realize valuable social and economic goals. Unfortunately, privacy concerns often stand in the way of ...