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Add suggestion to use Oblivious HTTP when fetching resources. #1322

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merged 4 commits into from
Oct 29, 2023
Merged

Add suggestion to use Oblivious HTTP when fetching resources. #1322

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668a581
Add suggestion to use Oblivious HTTP when fetching resources.
msporny Oct 21, 2023
30de700
Fix grammar in OHTTP section.
msporny Oct 24, 2023
0c37885
Update link to OHTTP draft at IETF.
msporny Oct 24, 2023
0234a2b
Add concrete examples of when OHTTP is useful.
msporny Oct 29, 2023
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7 changes: 7 additions & 0 deletions common.js
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Original file line number Diff line number Diff line change
Expand Up @@ -82,6 +82,13 @@ var vcwg = {
authors: ['Daniel Buchner', 'Brent Zundel', 'Martin Riedel', 'Kim Hamilton Duffy'],
status: 'DIF Ratified Specification',
publisher: 'Decentralized Identity Foundation'
},
'OHTTP': {
title: 'Oblivious HTTP ',
href: 'https://datatracker.ietf.org/doc/html/draft-ietf-ohai-ohttp',
authors: ['Martin Thomson', 'Christopher A. Wood'],
status: 'Working Group Draft',
publisher: 'IETF Oblivious HTTP Application Intermediation'
}
}
};
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14 changes: 13 additions & 1 deletion index.html
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Expand Up @@ -4385,7 +4385,7 @@ <h3>Long-Lived Identifier-Based Correlation</h3>
</section>

<section class="informative">
<h3>Device Fingerprinting</h3>
<h3>Device Tracking and Fingerprinting</h3>

<p>
There are mechanisms external to <a>verifiable credentials</a> that are used to
Expand All @@ -4406,6 +4406,18 @@ <h3>Device Fingerprinting</h3>
In some cases, tracking technologies might need to be disabled on devices that
transmit <a>verifiable credentials</a> on behalf of a <a>holder</a>.
</p>

<p>
The Oblivious HTTP protocol [[?OHTTP]] is one mechanism that implementers might
consider using when fetching external resources that are associated with a
<a>verifiable credential</a> or a <a>verifiable presentation</a>.
Oblivious HTTP allows a client to make multiple requests to an origin server
without that server being able to link those requests to that client or even to
identify those requests as having come from a single client, while placing only
limited trust in the nodes used to forward the messages. Hence, Oblivious HTTP
is one privacy-preserving mechanism that can be used to reduce the possibility
of device tracking and fingerprinting.
</p>
</section>

<section class="informative">
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