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TRUST
2010
Springer
8 years 6 months ago
Key Attestation from Trusted Execution Environments
Abstract. Credential platforms implemented on top of Trusted Execution Environments3 (TrEEs) allow users to store and use their credentials, e.g., cryptographic keys or user passwo...
Kari Kostiainen, Alexandra Dmitrienko, Jan-Erik Ek...
CONCURRENCY
2008
104views more  CONCURRENCY 2008»
8 years 8 months ago
PERMIS: a modular authorization infrastructure
Authorization infrastructures manage privileges and render access control decisions, allowing applications to adjust their behavior according to the privileges allocated to users....
David W. Chadwick, Gansen Zhao, Sassa Otenko, Roma...
IFIP11
2004
110views Business» more  IFIP11 2004»
8 years 9 months ago
A Security Model for Anonymous Credential Systems
This paper proposes a formal model of the Bellare-Rogaway type [1] that enables one to prove the security of an anonymous credential system in a complexity theoretic framework. Th...
Andreas Pashalidis, Chris J. Mitchell
CCS
2000
ACM
8 years 12 months ago
PRUNES: an efficient and complete strategy for automated trust negotiation over the Internet
The Internet provides an environment where two parties, who are virtually strangers to each other, can make connections and do business together. Before any actual business starts...
Ting Yu, Xiaosong Ma, Marianne Winslett
CCGRID
2004
IEEE
9 years 21 hour ago
A hardware-secured credential repository for Grid PKIs
Public Key Infrastructures suffer from usability and security problems associated with the request for and secure management of end user credentials. Online credential repositorie...
Markus Lorch, Jim Basney, Dennis G. Kafura
GRID
2005
Springer
9 years 1 months ago
A credential renewal service for long-running jobs
— Jobs on the Grid require security credentials throughout their run for accessing secure Grid resources, such as GridFTP data repositories. However, delegating long-lived creden...
Daniel Kouril, Jim Basney
EUROPKI
2005
Springer
9 years 1 months ago
A Multipurpose Delegation Proxy for WWW Credentials
Credentials like passwords or cryptographic key pairs are a means to prove one’s identity to a web server. A practical problem in this context is the question of how a user can t...
Tobias Straub, Thilo-Alexander Ginkel, Johannes Bu...
NDSS
2006
IEEE
9 years 2 months ago
Trust Negotiation with Hidden Credentials, Hidden Policies, and Policy Cycles
In an open environment such as the Internet, the decision to collaborate with a stranger (e.g., by granting access to a resource) is often based on the characteristics (rather tha...
Keith B. Frikken, Jiangtao Li, Mikhail J. Atallah
ACNS
2008
Springer
94views Cryptology» more  ACNS 2008»
9 years 2 months ago
PPAA: Peer-to-Peer Anonymous Authentication
In the pursuit of authentication schemes that balance user privacy and accountability, numerous anonymous credential systems have been constructed. However, existing systems assume...
Patrick P. Tsang, Sean W. Smith
POLICY
2009
Springer
9 years 2 months ago
Abductive Authorization Credential Gathering
A central task in the context of logic-based decentralized authorization languages is that of gathering credentials from credential providers, required by the resource guard’s p...
Moritz Y. Becker, Jason F. Mackay, Blair Dillaway
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