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Added event for media signing key status #773

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Added event for media signing key status #773

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db21099
Added event for media signing key status
bsriramprasad May 18, 2026
8ba6cfe
removed unwanted text
bsriramprasad May 18, 2026
6254934
fixed review feedback and paraphrase for clarity
bsriramprasad May 21, 2026
99fa55a
text consistency
bsriramprasad May 21, 2026
7338cb6
Update Security.xml
bsriramprasad May 21, 2026
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39 changes: 39 additions & 0 deletions doc/Security.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -5590,7 +5590,46 @@
</tt:MessageDescription>
]]></programlisting>
</section>
<section xml:id="section_lhd_zp3_hjc">
<title>Media signing key assignment status</title>
<para>A device that indicates support for signing of media using a user provisioned key
via the UserMediaSigningKeySupported capability shall provide information about assigned
key changes via the below specified event</para>
<programlisting><![CDATA[Topic: tns1:Advancedsecurity/MediaSigning/KeyStatus
<tt:MessageDescription IsProperty="true">
<tt:Source>
<tt:SimpleItemDescription Name="KeyID" Type="tas:KeyID"/>
</tt:Source>
<tt:Data>
<tt:SimpleItemDescription Name="Assigned" Type="xs:boolean"/>
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<tt:SimpleItemDescription Name="ActiveStream" Type="xs:boolean"/>
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</tt:Data>
</tt:MessageDescription>
]]></programlisting>
<para>The Assigned status shall indicate key assignment for future signed media streams
while ActiveStream shall is indicate key actively in use for the signed media
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streaming.</para>
<para>If client configures the user provisioned key via <emphasis role="bold"
>AddMediaSigningCertificateAssignment</emphasis>, Changed property event with the
KeyID set to user provisioned key shall be triggered with 'Assigned' status set to True.
During this operation, If there are active signed media streams using manufactuter
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provisioned key are in progress, ActiveStream status in the event payload for user
provisioned key shall be set to False.</para>
<para>If client removes the user provisioned key <emphasis role="bold"
>RemoveMediaSigningCertificateAssignment</emphasis>, Changed property event with the
KeyID falling back to manufacturer provisioned key shall be triggered with 'Assigned'
status set to True. During this operation, If there are active signed media streams
using user provisioned key are in progress, ActiveStream status in the event payload for
manufactuter provisioned key shall be set to False.</para>
<para>When client starts the first signed media stream, irrespective of user or
manufacturer provisioned key assignment, Changed property event gets triggered with
'ActiveStream' status set to True along with the Assigned key status.</para>
<para>When client stops the last signed media stream, irrespective of user or manufacturer
provisioned key assignment, Changed property event gets triggered with 'ActiveStream'
status set to False along with the Assigned key status.</para>
</section>
</section>

<section>
<title>Service specific data types</title>
<para>The service specific data types are defined in security.wsdl.</para>
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