Ning Liu1, Fan Yang1, *, Xi Xiong1, 2, Yan Chang1, Shibin Zhang1
CMC-Computers, Materials & Continua, Vol.65, No.2, pp. 1559-1570, 2020, DOI:10.32604/cmc.2020.010562
Abstract Recent developments in heterogeneous identity federation systems have
heightened the need for the related trust management system. The trust management
system evaluates, manages, and shares users’ trust values. The service provider (SP)
members of the federation system rely on users’ trust values to determine which type and
quality of service will be provided to the users. While identity federation systems have
the potential to help federated users save time and energy and improve service experience,
the benefits also come with significant privacy risks. So far, there has been little
discussion about the privacy protection of users in heterogeneous identity federation… More >
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