177 search results - page 7 / 36 » On the Security of Identity Based Ring Signcryption Schemes |
IJCMAM
2010
13 years 4 months ago
2010
Commercial Web-based Personal-Health Record (PHR) systems can help patients to share their personal health records (PHRs) anytime from anywhere. PHRs are very sensitive data and an...
EUROCRYPT
2004
Springer
14 years 26 days ago
2004
Springer
EUROCRYPT
2004
Springer
14 years 26 days ago
2004
Springer
Abstract. We propose a simple and efficient construction of a CCAsecure public-key encryption scheme from any CPA-secure identity-based encryption (IBE) scheme. Our construction re...
PAIRING
2009
Springer
14 years 2 months ago
2009
Springer
A number of previous papers explored the notion of identity-based group signature. We present a generic construction of identity-based group signatures. Our construction is based o...
ACISP
2010
Springer
13 years 9 months ago
2010
Springer
In this paper, we propose the first identity-based chameleon hash scheme without key exposure, which gives a positive answer for the open problem introduced by Ateniese and de Mede...