Trust negotiation in identity management

Abhilasha Bhargav-Spantzel, Anna C. Squicciarini, Elisa Bertino

Research output: Contribution to journalReview articlepeer-review

52 Scopus citations


The significance of federated identity management system (IdM) for protection of user information, is discussed. Federated identity management system provides a group or organizations, mechanisms for managing and gaining access to user identity information. IdM systems involve two types of entities: identity providers and service providers. An IdP manages user authentication and user-identity-relevant information while service provider (SP) of system specifies and enforces the access-control policies for protection of user information resources. The IdM system provide the user information needed to satisfy the requesting SP's access-control policies using differentiated privacy preferences of user to protect user information. IdM technology and automated trust-negotiation (ATN) techniques establish trust between negotiating parties online through bilateral credential disclosure for protection of user information.

Original languageEnglish (US)
Pages (from-to)55-63
Number of pages9
JournalIEEE Security and Privacy
Issue number2
StatePublished - Mar 2007

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Electrical and Electronic Engineering
  • Law


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