@prefix rdf:	<http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix atom:	<http://atomowl.org/ontologies/atomrdf#> .
@prefix sioct:	<http://rdfs.org/sioc/types#> .
@prefix sioc:	<http://rdfs.org/sioc/ns#> .
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@prefix dct:	<http://purl.org/dc/terms/> .
@prefix foaf:	<http://xmlns.com/foaf/0.1/> .
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<https://ods-qa.openlinksw.com/dataspace/imitko/weblog/MitkoBlog/27>
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	dc:title	"Understanding the 'cnf' Field in JWT" ;
	sioc:content	"<h1>Understanding the &#39;cnf&#39; Field in JWT</h1>\n<p>The <strong>&#39;cnf&#39;</strong> (confirmation) field in a JWT (JSON Web Token) is used to bind the token to a specific key, ensuring that the token can only be used by the party possessing the corresponding private key. This enhances the security of the token.</p>\n<p>The &#39;cnf&#39; field typically contains one or more of the following claims:</p>\n<ul>\n<li>\n  <strong>x5t</strong>: The thumbprint of an X.509 certificate.</li>\n<li>\n  <strong>jkt</strong>: The thumbprint of a JWK (JSON Web Key).</li>\n</ul>\n<p>Here is an example of a &#39;cnf&#39; field:</p>\n<pre><code>{\n  &quot;cnf&quot;: {\n    &quot;x5t&quot;: &quot;9G7d4I4cPbTDnYrqFhJDBpDeQHw&quot;,\n    &quot;jkt&quot;: &quot;SWV4YjhZZlZGUVM1bzV5L0wzd3BtNHdNcnpBPQ&quot;\n  }\n}</code>\n</pre><p>In this example, the &#39;cnf&#39; field includes both an X.509 certificate thumbprint and a JWK thumbprint, binding the token to the corresponding keys.</p>" ;
	dct:created	"2024-07-12T17:57:54.939507"^^xsd:dateTime ;
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	atom:title	"Understanding the 'cnf' Field in JWT" .
ns4:imitko
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