5 search results - page 1 / 1 » Universally Anonymous IBE Based on the Quadratic Residuosity... |
CTRSA
2009
Springer
14 years 5 months ago
2009
Springer
We introduce the first universally anonymous, thus key-private, IBE whose security is based on the standard quadratic residuosity assumption. Our scheme is a variant of Cocks IBE...
EUROCRYPT
2005
Springer
14 years 4 months ago
2005
Springer
We present a general framework for constructing two-message oblivious transfer protocols using a modification of Cramer and Shoup’s notion of smooth projective hashing (2002). ...
EUROCRYPT
1999
Springer
14 years 3 months ago
1999
Springer
Abstract. We consider the problem of sending messages into the future." Previous constructions for this task were either based on heuristic assumptions or did not provide anon...
CRYPTO
2009
Springer
14 years 5 months ago
2009
Springer
Most of the work in the analysis of cryptographic schemes is concentrated in abstract adversarial models that do not capture side-channel attacks. Such attacks exploit various for...
EUROCRYPT
2001
Springer
14 years 3 months ago
2001
Springer
We formalize the notion of a cryptographic counter, which allows a group of participants to increment and decrement a cryptographic representation of a (hidden) numerical value pri...