4.1.8 Confirm Response Message
If the Confirm message is verified without error, the device returns a ConfirmResponse SOAP response message to the control point. The following example demonstrates a ConfirmResponse message where the <DeviceConfirmNonce> element is encoded in a MIME base64 scheme:
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<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"> <s:Body> <u:ConfirmResponse xmlns:u="urn:schemas-microsoft-com:service:mstrustagreement:1"> <DeviceConfirmNonce> rD5m4Fgi+ifV9GS+611aO3T998Q= </DeviceConfirmNonce> </u:ConfirmResponse> </s:Body> </s:Envelope>
After the control point verifies the response message, and if there is no error, DTAG is completed and a trust relationship is established between the control point and the device.