70 search results - page 14 / 14 » A Public-Key Encryption Scheme with Pseudo-random Ciphertext... |
IEEECIT
2010
IEEE
13 years 5 months ago
2010
IEEE
Suppose Bob, the boss in Company A, pays a secure cloud storage service and authorizes all the employees in that company to share such a service. There exists a user hierarchy: Bob...
SCN
2010
Springer
13 years 5 months ago
2010
Springer
Exposure of a secret key is a significant threat in practice. As a notion of security against key exposure, Dodis et al. advocated key-insulated security, and proposed concrete k...
ISPEC
2011
Springer
12 years 10 months ago
2011
Springer
Abstract. Broadcast encryption provides a convenient method to distribute digital content to subscribers over an insecure broadcast channel. Traitor tracing is needed because some ...
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...
PKC
2010
Springer
13 years 11 months ago
2010
Springer
Abstract. In this paper, we fully break the Algebraic Surface Cryptosystem (ASC for short) proposed at PKC’2009 [3]. This system is based on an unusual problem in multivariate cr...