357 search results - page 7 / 72 » Distributed Attribute-Based Encryption |
ICDCS
2005
IEEE
14 years 2 months ago
2005
IEEE
A protocol is given to take an ElGamal ciphertext encrypted under the key of one distributed service and produce the corresponding ciphertext encrypted under the key of another di...
CCS
2008
ACM
13 years 11 months ago
2008
ACM
A well-known concern in the setting of identity based encryption is that the PKG is all powerful and has to be completely trusted. To mitigate this problem, the notion of Accounta...
IHI
2012
12 years 4 months ago
2012
Regulations and policies regarding Electronic Health Information (EHI) are increasingly complex. Federal and State policy makers have called for both education to increase stakeho...
ICIP
2007
IEEE
14 years 10 months ago
2007
IEEE
In this paper we propose a new joint encryption and lossless compression technique designed for large images 1 . The proposed technique takes advantage of the Mojette transform pr...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
Encryption is a well established technology for protecting sensitive data. However, once encrypted, data can no longer be easily queried aside from exact matches. We present an or...