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<section id="krb5-responder-pkinit-get-challenge-decode-the-krb5-responder-question-pkinit-to-a-c-struct">
<h1>krb5_responder_pkinit_get_challenge - Decode the KRB5_RESPONDER_QUESTION_PKINIT to a C struct.<a class="headerlink" href="#krb5-responder-pkinit-get-challenge-decode-the-krb5-responder-question-pkinit-to-a-c-struct" title="Link to this heading">¶</a></h1>
<dl class="c function">
<dt class="sig sig-object c" id="c.krb5_responder_pkinit_get_challenge">
<a class="reference internal" href="../types/krb5_error_code.html#c.krb5_error_code" title="krb5_error_code"><span class="n"><span class="pre">krb5_error_code</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">krb5_responder_pkinit_get_challenge</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="../types/krb5_context.html#c.krb5_context" title="krb5_context"><span class="n"><span class="pre">krb5_context</span></span></a><span class="w"> </span><span class="n"><span class="pre">ctx</span></span>, <a class="reference internal" href="../types/krb5_responder_context.html#c.krb5_responder_context" title="krb5_responder_context"><span class="n"><span class="pre">krb5_responder_context</span></span></a><span class="w"> </span><span class="n"><span class="pre">rctx</span></span>, <a class="reference internal" href="../types/krb5_responder_pkinit_challenge.html#c.krb5_responder_pkinit_challenge" title="krb5_responder_pkinit_challenge"><span class="n"><span class="pre">krb5_responder_pkinit_challenge</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">chl_out</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.krb5_responder_pkinit_get_challenge" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<dl class="field-list">
<dt class="field-odd">param<span class="colon">:</span></dt>
<dd class="field-odd"><p><strong>[in]</strong> <strong>ctx</strong> - Library context</p>
<p><strong>[in]</strong> <strong>rctx</strong> - Responder context</p>
<p><strong>[out]</strong> <strong>chl_out</strong> - Challenge structure</p>
</dd>
</dl>
<p>A convenience function which parses the KRB5_RESPONDER_QUESTION_PKINIT question challenge data, making it available in native C. The main feature of this function is the ability to read the challenge without parsing the JSON.</p>
<p>The returned value must be passed to krb5_responder_pkinit_challenge_free() to be freed.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>New in 1.12</p>
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