286 search results - page 44 / 58 » Key-Privacy in Public-Key Encryption |
120
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EUROCRYPT
2011
Springer
14 years 3 months ago
2011
Springer
We propose a Multi-Authority Attribute-Based Encryption (ABE) system. In our system, any party can become an authority and there is no requirement for any global coordination othe...
ICALP
2005
Springer
15 years 5 months ago
2005
Springer
At TCC 2005, Backes and Cachin proposed a new and very strong notion of security for public key steganography: secrecy against adaptive chosen covertext attack (SS-CCA); and posed ...
128
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INFOCOM
1998
IEEE
15 years 4 months ago
1998
IEEE
Authenticated session key establishment is a central issue in network security. This paper addresses a question on whether we can design a compact, efficient and authenticated key ...
101
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IEEECIT
2010
IEEE
14 years 9 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...
EUROCRYPT
2010
Springer
15 years 4 months ago
2010
Springer
We construct the first public-key encryption scheme that is proven secure (in the standard model, under standard assumptions) even when the attacker gets access to encryptions of ...