Proposed text for PE15 (was RE: [security-services] Errata docume ntV02)

[Irving Reid <Irving.Reid@baltimore.com>]

As a proposed fix for PE15, I suggest we remove lines 1392-1410 of CS-00
(sections 5.3.1 Rationale, and 5.3.2 Rules for SAML Signature Inheritance)
and replace with:

---------------------
SAML Assertions may be embedded within Request or Response elements, which
may be signed. When a SAML assertion does not contain a ds:Signature
element, but is contained in a samlp:Request or samlp:Response element that
contains a ds:Signature, and the signature applies to the saml:Assertion
element and all its children, then the Assertion can be considered to
inherit the signature from the enclosing element. The resulting
interpretation should be equivalent to the case where the Assertion itself
was signed with the same key and signature options.

Many SAML use cases involve SAML XML data enclosed within other protected
data structures such as signed SOAP messages, S/MIME packages, and
authenticated SSL connections. SAML Profiles may define additional rules for
interpreting SAML elements as inheriting signatures or other authentication
information from the surrounding context, but no such inheritance should be
inferred unless specifically identified by the Profile.
----------------------


 - irving - 
 


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