19 search results - page 2 / 4 » Identity-Based Hierarchical Key-Insulated Encryption Without... |
CRYPTO
2004
Springer
13 years 11 months ago
2004
Springer
We construct two efficient Identity Based Encryption (IBE) systems that are selective identity secure without the random oracle model. Selective identity secure IBE is a slightly w...
PQCRYPTO
2010
13 years 10 months ago
2010
Abstract. We propose a variant of the “bonsai tree” signature scheme, a latticebased existentially unforgeable signature scheme in the standard model. Our construction offers ...
ASIACRYPT
2006
Springer
13 years 10 months ago
2006
Springer
Abstract. At Eurocrypt 2005, Waters presented an identity based encryption (IBE) protocol which is secure in the full model without random oracle. In this paper, we extend Waters&#...
CRYPTO
2012
Springer
11 years 8 months ago
2012
Springer
We give the first proof of security for an identity-based encryption scheme in the quantum random oracle model. This is the first proof of security for any scheme in this model ...
EUROCRYPT
2004
Springer
13 years 10 months ago
2004
Springer
An extended abstract of this paper appears in C. Cachin and J. Camenisch, editors, Advances in Cryptology-EUROCRYPT 2004, volume 3027 of Lecture Notes in Computer Science, pages 22...