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» Distributed Attribute-Based Encryption
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ANSS
2008
IEEE
14 years 3 months ago
SCAR - Scattering, Concealing and Recovering Data within a DHT
This paper describes a secure and reliable method for storing data in a distributed hash table (DHT) leveraging the inherent properties of the DHT to provide a secure storage subs...
Bryan N. Mills, Taieb Znati
SASO
2008
IEEE
14 years 3 months ago
A Framework for Self-Protecting Cryptographic Key Management
Demands to match security with performance in Web applications where access to shared data needs to be controlled dynamically make self-protecting security schemes attractive. Yet...
Anne V. D. M. Kayem, Patrick Martin, Selim G. Akl,...
CRYPTO
2007
Springer
130views Cryptology» more  CRYPTO 2007»
14 years 3 months ago
Reducing Trust in the PKG in Identity Based Cryptosystems
One day, you suddenly find that a private key corresponding to your Identity is up for sale at e-Bay. Since you do not suspect a key compromise, perhaps it must be the PKG who is...
Vipul Goyal
VLDB
2007
ACM
160views Database» more  VLDB 2007»
14 years 3 months ago
Over-encryption: Management of Access Control Evolution on Outsourced Data
Data outsourcing is emerging today as a successful paradigm allowing users and organizations to exploit external services for the distribution of resources. A crucial problem to b...
Sabrina De Capitani di Vimercati, Sara Foresti, Su...
SIGECOM
2005
ACM
130views ECommerce» more  SIGECOM 2005»
14 years 2 months ago
Graceful service degradation (or, how to know your payment is late)
When distributing digital content over a broadcast channel it’s often necessary to revoke users whose access privileges have expired, thus preventing them from recovering the co...
Alexandr Andoni, Jessica Staddon