42 search results - page 7 / 9 » Constructing Efficient Certificateless Public Key Encryption... |
IEEECIT
2010
IEEE
14 years 7 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...
104
click to vote
DCC
2007
IEEE
15 years 9 months ago
2007
IEEE
A general method for deriving an identity-based public key cryptosystem from a one-way function is described. We construct both ID-based signature schemes and ID-based encryption ...
CTRSA
2006
Springer
15 years 1 months ago
2006
Springer
Abstract. In this paper we present a general framework for constructing efficient multicast cryptosystems with provable security and show that a line of previous work on multicast ...
107
click to vote
ASIACRYPT
2004
Springer
15 years 1 months ago
2004
Springer
Group signature schemes are cryptographic systems that provide revocable anonymity for signers. We propose a group signature scheme with constant-size public key and signature leng...
JCST
2008
14 years 9 months ago
2008
Current techniques for transforming unforgeable signature schemes (the forged message has never been signed) to strongly unforgeable ones (the forged message could have been signed...