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From Anne Thomas Manes <atma...@gmail.com>
Subject Re: authentication, SAML
Date Tue, 26 Jul 2005 00:43:15 GMT
As defined by WS-Trust, a security token service (STS) is a web
service that issues, renews, and validates security tokens. The client
presents a set of claims, and if the claims provide sufficient proof,
the STS returns the requested token. The client can then use the token
to supply authentication information on subsequent SOAP requests. Each
SOAP request must be re-authenticated, though, unless the client and
server establish and maintain some type of extended security session.

WS-SecureConversation defines a binding of WS-Trust for creating this
type of extended security session. WS-SecureConversation defines a new
token type called a security context token. When using
WS-SecureConversation, the client and server need to authenticate each
other only once at the start of the conversation.

Anne


On 7/22/05, Milton Fidel vega <MVEGAV@dian.gov.co> wrote:
> 
> Is correct, that the same system are the identiy provider and the
> service provider supplier? (if there is not a identity provider )
> 
> 
> this is correct?
> 
> It's a Web Service exclusively for authentication, this emit the signed
> assertion via web service response after the client has autenthicated
> for te web service logic, so that in following calls to the Web services
> business, the messages soap of the client include the assertion in the
> soap headers and it are not authenticated again.
> 
> 
> 
> Thanks
> 
> 
>

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