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Add confidenceMethod to table of reserved terms and v2 @context #1142

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merged 4 commits into from
Aug 2, 2023
Merged

Add confidenceMethod to table of reserved terms and v2 @context #1142

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ad2b73a
Update reservation table
Jun 6, 2023
381a0f7
Update contexts/credentials/v2
OR13 Jun 6, 2023
2437b70
Update URL to add confidenceMethod specification.
msporny Aug 1, 2023
a0b38f9
Update index.html
OR13 Aug 2, 2023
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4 changes: 4 additions & 0 deletions contexts/credentials/v2
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,10 @@
"termsOfUse": {
"@id": "https://www.w3.org/2018/credentials#termsOfUse",
"@type": "@id"
},
"confidenceMethod": {
"@id": "https://www.w3.org/2018/credentials#confidenceMethod",
"@type": "@id"
Comment on lines +64 to +66
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@jandrieu jandrieu Jun 14, 2023 •
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Shouldn't this be scoped to credentialSubject?

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It should either be globally scoped or use "@propagate": true, but, yes, making it a property on a VC only isn't correct.

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I believe confidenceMethod could be scoped to any property/ies. I don't understand what it would do for credentialSubject, nor what it does for VerifiableCredential.

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Based on the comments above, I don't think it should be scoped... However, if it should be scoped, there should be normative statements that people can read, before the context scoping is applied... and some human readable summary of why, here:

https://www.w3.org/2018/credentials#confidenceMethod

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Maybe https://w3id.org/security#confidenceMethod would be a better term definition, if the W3C CCG will define the behavior.

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By "scoped to any property/ies" above, I meant that this confidenceMethod should be applicable to any property+value pair (or group of same), something like

_:property
   [ _:value          12345 ; 
     confidenceMethod `{uri to method used to get or usable to test value}` 
   ]

}
}
},
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20 changes: 19 additions & 1 deletion index.html
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Expand Up @@ -3291,6 +3291,23 @@ <h3>Reserved Extension Points</h3>
</thead>

<tbody>
<tr>
<td>`confidenceMethod`</td>
<td>
A property used for specifying one or more methods that a verifier
might rely on in order to authenticate the holder of a presentation.
The associated vocabulary URL MUST be
`https://www.w3.org/2018/credentials#confidenceMethod`.
<p class="issue" title="(AT RISK) Reservation depends on implementations">
This property reservation might be deleted in favor of an existing section
in the specification if at least one specification with two independent
implementations are demonstrated by the end of the Candidate Recommendation
Phase. If that does not occur, this reservation will remain, but the existing
section in the specification will be removed.
See <a href="https://w3c-ccg.github.io/confidence-method-spec/">Verifiable Credential Confidence Methods</a>.
</p>
</td>
</tr>
<tr>
<td>`evidence`</td>
<td>
Expand Down Expand Up @@ -3324,13 +3341,14 @@ <h3>Reserved Extension Points</h3>
<tr>
<td>`renderMethod`</td>
<td>
A property used for specifying how to render a credential into a visual,
A property used for specifying one or more methods to render a credential into a visual,
auditory, or haptic format. The associated vocabulary URL MUST be
`https://www.w3.org/2018/credentials#renderMethod`.
<p class="issue" title="(AT RISK) Reservation depends on implementations">
This reserved property is at risk and will be removed from the
specification if at least one specification with two independent implementations
are not demonstrated by the end of the Candidate Recommendation Phase.
See <a href="https://w3c-ccg.github.io/vc-render-method/">Verifiable Credential Rendering Methods</a>.
</p>
</td>
</tr>
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