19 search results - page 2 / 4 » ctrsa 2008 |
CTRSA
2008
Springer
13 years 6 months ago
2008
Springer
We motivate and describe the problem of finding protocols for multiparty computations that only use a single broadcast round per computation (latency-free computations). We show t...
CTRSA
2008
Springer
13 years 6 months ago
2008
Springer
We propose two constructions of chosen-ciphertext secure identity-based encryption (IBE) schemes. Our schemes have a security proof in the standard model, yet they offer performan...
CTRSA
2008
Springer
13 years 6 months ago
2008
Springer
We develop new algorithmic and cryptographic techniques for authenticating the results of queries over databases that are outsourced to an untrusted responder. We depart from previ...
CTRSA
2008
Springer
13 years 6 months ago
2008
Springer
We propose and investigate the notion of aggregate message authentication codes (MACs) which have the property that multiple MAC tags, computed by (possibly) different senders on ...
CTRSA
2008
Springer
13 years 6 months ago
2008
Springer
Oblivious transfer, first introduced by Rabin, is one of the basic building blocks of cryptographic protocols. In an oblivious transfer (or more exactly, in its 1-out-of-2 variant...