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[Anima] minor clarifications to voucher

Michael Richardson <mcr+ietf@sandelman.ca> Tue, 20 June 2017 14:15 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
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Date: Tue, 20 Jun 2017 10:14:58 -0400
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Subject: [Anima] minor clarifications to voucher
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Based upon discussion last week about synchronizing the voucher document with
the BRSKI MASA protocol the following clarification was made to the voucher
document as part of the WGLC:


-          signed using a PKCS#7 structure.  The voucher artifact is generated by
-          the pledge's manufacture or delegate (i.e. the MASA).</t>
+          signed using a PKCS#7 structure.  The voucher artifact is normally generated by
+          the pledge's manufacture or delegate (i.e. the Manufacturer Authorized Signing
+          Authority). A voucher artifact could be signed by a non-MASA and be compliant
+          to the specified artifact format described in this document. The appropriate
+          use and trust of such vouchers is out-of-scope of this document.
+          </t>

            <t>This document only defines the voucher artifact, leaving it to other
            documents to describe specialized protocols for accessing it.</t>
@@ -75,7 +79,8 @@

          <t>This document defines a strategy to securely assign a pledge to an owner,
          using an artifact signed, directly or indirectly, by the pledge's manufacturer
-        or delegate (i.e. the MASA).  This artifact is known as the voucher.</t>
+        or delegate, i.e. the Manufacturer Authorized Signing
+        Authority (MASA).  This artifact is known as the voucher.</t>

          <t>The voucher artifact is a JSON document, conforming to a data model
          described by YANG <xref target="RFC7950"/>,  that has been signed using
@@ -265,7 +270,7 @@ NOTE: All voucher types include a 'Pledge ID serial number'

        <section title="Voucher" anchor="voucher">

-        <t>The voucher's purpose is to securely assign a pledge to an owner.
+        <t>The voucher's primary purpose is to securely assign a pledge to an owner.
          The voucher informs the pledge which entity it should consider to be
         its owner.</t>


--
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -= IPv6 IoT consulting =-

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