Re: [saml-dev] Assertion and EncryptedAssertion

Thank you guys for all the information.

David

On Tue, Jan 31, 2012 at 6:44 AM, Sunday, Robert <> wrote:

This is a profiling question over and above base SAML. For one example,
the “Kantara Initiative eGovernment Implementation Profile of SAML V2.0”
states:

 

2.5.3.2     Message Content

 

The Web Browser SSO Profile allows responses to contain any number of assertions and statements. Identity Provider implementations MUST allow the number of <saml2:Assertion>,
<saml2:AuthnStatement>,
and <saml2:AttributeStatement> elements in the <saml2p:Response> message to be limited to one. In turn, Service Provider implementations MAY limit support to a single instance of
those elements when processing <saml2p:Response> messages.

 

The entire profile is available from:

http://kantarainitiative.org/confluence/display/eGov/eGovernment+Implementation+Profile+of+SAML+V2.0

 

Regards,

Bob Sunday

Cyber Authentication
Initiative I Initiative d’authentification Cyber

Chief Information Officer
Branch | Direction du dirigeant principal de l'information

Treasury Board of Canada
Secretariat | Secrétariat du Conseil du Trésor du Canada

Ottawa, Canada K1A 0R5

Office: 613-941-4764

Email:
 

Government of Canada |
Gouvernement du Canada

 

From:
Brent Putman [mailto:] 

Sent: January 30, 2012 8:51 PM

To: 

Subject: Re: [saml-dev] Assertion
and EncryptedAssertion

 

 

On 1/30/12 8:16 PM, David Yu wrote:

> Dear SAML experts,

> I have a question regarding Assertion and EncryptedAssertion.

> I think I need either Assertion or EncryptedAssertion in the

> SAMLResponse but not both for it to work.

> Correct me if I am wrong.

> However, I did not see in the document that a response can only have

> exactly one Assertion or EncryptedAssertion.

> Is it defined in the schema?

Yes, it is defined. A SAML 2 ResponseType can contain 0 to unbounded Assertion
and/or EncryptedAssertion elements. It is not limited to 1 and the multiple
Assertions and EncryptedAssertions can appear in any order, since it's an
unbounded choice.

The schema snippet:

>    <element name="Response"
type="samlp:ResponseType"/>

>     <complexType name="ResponseType">

>         <complexContent>

>            
<extension base="samlp:StatusResponseType">

>                
<choice minOccurs="0" maxOccurs="unbounded">

>                    
<element ref="saml:Assertion"/>

>                    
<element ref="saml:EncryptedAssertion"/>

>                
</choice>

>            
</extension>

>         </complexContent>

>     </complexType>

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