598 search results - page 30 / 120 » On the Security of ElGamal Based Encryption |
CCS
2007
ACM
14 years 1 months ago
2007
ACM
We construct an Attribute-Based Encryption (ABE) scheme that allows a user’s private key to be expressed in terms of any access formula over attributes. Previous ABE schemes wer...
ACNS
2005
Springer
14 years 1 months ago
2005
Springer
This paper presents a first example of secure identity based encryption scheme (IBE) without redundancy in the sense of Phan and Pointcheval. This modification of the Boneh-Frank...
ICIP
2008
IEEE
14 years 2 months ago
2008
IEEE
The rapid growth of the Internet and digitized content made video distribution simpler. Hence the need for video data protection is on the rise. In this paper, we propose a secure...
CCS
2009
ACM
14 years 8 months ago
2009
ACM
In distributed systems users need the ability to share sensitive content with multiple other recipients based on their ability to satisfy arbitrary policies. One such system is el...
ASIACRYPT
2000
Springer
14 years 1 days ago
2000
Springer
This paper introduces three new probabilistic encryption schemes using elliptic curves over rings. The cryptosystems are based on three specific trapdoor mechanisms allowing the r...