29 search results - page 5 / 6 » New Signature Schemes with Coupons and Tight Reduction |
IACR
2011
12 years 7 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...
TCC
2005
Springer
14 years 1 months ago
2005
Springer
We address the problem of using untrusted (potentially malicious) cryptographic helpers. We provide a formal security definition for securely outsourcing computations from a comp...
EUROCRYPT
2009
Springer
14 years 8 months ago
2009
Springer
A group key agreement (GKA) protocol allows a set of users to establish a common secret via open networks. Observing that a major goal of GKAs for most applications is to establish...
CRYPTO
2006
Springer
13 years 11 months ago
2006
Springer
This paper presents the first automatic technique for proving not only protocols but also primitives in the exact security computational model. Automatic proofs of cryptographic pr...
RTSS
2003
IEEE
14 years 26 days ago
2003
IEEE
Data caches are essential in modern processors, bridging the widening gap between main memory and processor speeds. However, they yield very complex performance models, which make...