WS-Trust

WS-Trust is a WS-* specification and OASIS standard that provides extensions to WS-Security, specifically dealing with the issuing, renewing, and validating of security tokens, as well as with ways to establish, assess the presence of, and broker trust relationships between participants in a secure message exchange.

The WS-Trust specification was authored by representatives of a number of companies, and was approved by OASIS as a standard in March 2007.

Using the extensions defined in WS-Trust, applications can engage in secure communication designed to work within the Web services framework.

Overview

WS-Trust defines a number of new elements, concepts and artifacts in support of that goal, including:

WS-Trust is then implemented within Web services libraries, provided by vendors or by open source collaborative efforts. Web services frameworks that implement the WS-Trust protocols for token request include: Microsoft's Windows Communication Foundation (WCF) and Windows Identity Foundation (WIF - as of .NET 4.5, WIF is integrated into core .NET), Sun's WSIT framework, Apache's Rampart (part of axis2), and others. In addition, vendors or other groups may deliver products that act as a Security Token Service, or STS. Microsoft's Access Control Services is one such service, available online today. PingIdentity Corporation also markets an STS. Microsoft's ADFS also provides implementation of an STS.

Authors

The companies involved in defining WS-Trust were: Actional Corporation, BEA Systems, Inc., Computer Associates International, Inc., International Business Machines Corporation, Layer 7 Technologies, Microsoft Corporation, Oblix Inc., OpenNetwork Technologies Inc., Ping Identity Corporation, Reactivity Inc., RSA Security Inc., and VeriSign Inc.

External links

See also


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