A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : claimSigning Extended Key Usage (EKU)
Author(s) : Matt King
Matt Tebo
Wendy Brown
Dave Silver
Chris Louden
Patrick Patterson
Filename : draft-king-pkix-claimsigning-extn-03.txt
Pages : 13
Date : 2011-12-27
This document specifies an Extended Key Usage (EKU) value which
indicates that the certificate holder is authorized to sign security
tokens to assert claims, or attributes, about a subject.
When a certificate that asserts the claimSigning EKU signs a claim,
the owner of the service holding that certificate is asserting that a
statement about the subject is true. For example, a IdP secure token
service (STS) would use an X.509 certificate containing the
claimSigning EKU to sign SAML assertions containing an identifier and
attributes about a user. This EKU value would allow for a separation
between the designation that a given Identity belongs within a given
Federation, and the empowerment of that entity within the federation
to sign claims.. This approach allows for greater flexibility for
the operators of Federated systems and for Certification Authorities
and avoids the overloading of other, already established methods
(such as Assurance Level designation via certificatePolicy OID).
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-king-pkix-claimsigning-extn-03.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-king-pkix-claimsigning-extn-03.txt
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