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» Distributed Attribute-Based Encryption
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ANSS
2008
IEEE
15 years 10 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
15 years 10 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»
15 years 10 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»
15 years 10 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»
15 years 9 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