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139
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CCS
2005
ACM
15 years 9 months ago
Automated trust negotiation using cryptographic credentials
In automated trust negotiation (ATN), two parties exchange digitally signed credentials that contain attribute information to establish trust and make access control decisions. Be...
Jiangtao Li, Ninghui Li, William H. Winsborough
ESORICS
2004
Springer
15 years 9 months ago
Signature Bouquets: Immutability for Aggregated/Condensed Signatures
Database outsourcing is a popular industry trend which involves organizations delegating their data management needs to an external service provider. In this model, a service prov...
Einar Mykletun, Maithili Narasimha, Gene Tsudik
180
Voted
SOUPS
2010
ACM
15 years 8 months ago
A closer look at recognition-based graphical passwords on mobile devices
Graphical password systems based on the recognition of photographs are candidates to alleviate current over-reliance on alphanumeric passwords and PINs. However, despite being bas...
Paul Dunphy, Andreas P. Heiner, N. Asokan
CCS
2010
ACM
15 years 4 months ago
Hierarchical attribute-based encryption for fine-grained access control in cloud storage services
Cloud computing, as an emerging computing paradigm, enables users to remotely store their data into a cloud so as to enjoy scalable services on-demand. Especially for small and me...
Guojun Wang, Qin Liu, Jie Wu
ACSAC
2010
IEEE
15 years 2 months ago
Porscha: policy oriented secure content handling in Android
The penetration of cellular networks worldwide and emergence of smart phones has led to a revolution in mobile content. Users consume diverse content when, for example, exchanging...
Machigar Ongtang, Kevin R. B. Butler, Patrick Drew...