Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 13 of 13 for “"trust negotiation"”.
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Browser-Based Trust Negotiation
Trust negotiation allows two parties on the Internet to establish trust in each other according to the digital credentials thateach other possesses. Traditionally, trust negotiation uses certificates as digital credentials. However, certificates make trust negotiation difficult to use since people …
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Trust Negotiation for Open Database Access Control
… the database by authenticating to roles through trust negotiation. Allowing qualified strangers to access the database increases the usefulness of the system without compromising privacy. This thesis presents the design and implementation of two methods for filtering information from database …
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Protecting Sensitive Credential Content during Trust Negotiation
… protecting sensitive credential content during trust negotiation and demonstrates, through design and implementation, the privacy benefits achieved through selective disclosure. Selective disclosure of credential content can be achieved using private attributes, a well-known technique that …
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Dynamic trust negotiation for decentralised e-health collaborations
… the notion and subsequent nature of security and trust - this is especially so in open collaborative environments like the Grid where resources can be both made available, subsequently accessed and used by remote users from a multitude of institutions with a variety of different privileges …
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Phishing Warden: Enhancing Content-Triggered Trust Negotiation to Prevent Phishing Attacks
… U.S. in 2003. Previous work, content-triggered trust negotiation (CTTN), filters Internet traffic for sensitive data, and prevents a user from disclosing sensitive information to an un-trusted server. However, existing CTTN implementations are vulnerable to client-side scripts that obfuscate any …
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Challenging Policies That Do Not Play Fair: A Credential Relevancy Framework Using Trust Negotiation Ontologies
… that policies will "play fair" within trust negotiation. Policies that do not "play fair" contain requirements for authentication that are misleading, irrelevant, and/or incorrect, based on the current transaction context. To detect these unfair policies, trust negotiation ontologies …
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Preserving Trust Across Multiple Sessions in Open Systems
Trust negotiation, a new authentication paradigm, enables strangers on the Internet to establish trust through the gradual disclosure of digital credentials and access control policies. Previous research in trust negotiation does not address issues in preserving trust across multiple sessions. This …
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Towards Practical and Secure Decentralized Attribute -Based Authorization Systems
… enforcement mechanisms suitable for use in trust negotiation and distributed proof systems. We next focus on deployment issues, and investigate how user interactions can be audited in the absence of concrete user identities. We develop the technique of virtual fingerprinting, which can be …
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Responding to Policies at Runtime in TrustBuilder
Automated trust negotiation is the process of establishing trust between entities with no prior relationship through the iterative disclosure of digital credentials. One approach to negotiating trust is for the participants to exchange access control policies to inform each other of the …
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Automated Trust Establishment in Open Systems
… fine-grained access control requirements for trust negotiation.
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Automated Multiparty Authorization in Open Distributed Systems
… approaches to automatic, secure, and efficient trust establishment among multiple parties in an open distributed environment. Automated trust negotiation (ATN) is a promising approach to establishing trust between two entities without any prior knowledge of each other. ATN uses gradual trust …
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Extensible Pre-Authentication in Kerberos
Organizations need to provide services to a wide range of people, including strangers outside their local security domain. As the number of users grows larger, it becomes increasingly tedious to maintain and provision user accounts. It remains an open problem to create a system for provisioning …
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Trust Broker: A Defense Against Identity Theft From Online Transactions
… difficult to distinguish the sites that can be trusted to protect such information from those that cannot. Many attempts to make the Internet easier to use introduce new security and privacy problems. On the other hand, most attempts at creating a safe online environment produce systems that are …