284 search results - page 37 / 57 » A New Key-Insulated Signature Scheme |
ECCC
2007
13 years 9 months ago
2007
We show how to construct a variety of “trapdoor” cryptographic tools assuming the worst-case hardness of standard lattice problems (such as approximating the length of the sho...
PET
2010
Springer
14 years 1 months ago
2010
Springer
In this work, we propose a new platform to enable service providers, such as web site operators, on the Internet to block past abusive users of anonymizing networks (for example, T...
CCS
2010
ACM
14 years 4 months ago
2010
ACM
In an attribute-based signature (ABS), users sign messages with any predicate of their attributes issued from an attribute authority. Under this notion, a signature attests not to...
CRYPTO
2004
Springer
14 years 3 months ago
2004
Springer
We propose the first distributed discrete-log key generation (DLKG) protocol from scratch which is adaptively-secure in the non-erasure model, and at the same time completely avoi...
TIFS
2010
13 years 4 months ago
2010
Access control is the fundamental security service in ad hoc groups. It is needed not only to prevent unauthorized entities from joining the group, but also to bootstrap other secu...