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  <div class="section" id="krb5-mk-priv-format-a-krb-priv-message">
<h1>krb5_mk_priv -  Format a KRB-PRIV message.<a class="headerlink" href="#krb5-mk-priv-format-a-krb-priv-message" title="Permalink to this headline"></a></h1>
<dl class="function">
<dt id="c.krb5_mk_priv">
<a class="reference internal" href="../types/krb5_error_code.html#c.krb5_error_code" title="krb5_error_code">krb5_error_code</a> <tt class="descname">krb5_mk_priv</tt><big>(</big><a class="reference internal" href="../types/krb5_context.html#c.krb5_context" title="krb5_context">krb5_context</a><em>&nbsp;context</em>, <a class="reference internal" href="../types/krb5_auth_context.html#c.krb5_auth_context" title="krb5_auth_context">krb5_auth_context</a><em>&nbsp;auth_context</em>, const <a class="reference internal" href="../types/krb5_data.html#c.krb5_data" title="krb5_data">krb5_data</a> *<em>&nbsp;userdata</em>, <a class="reference internal" href="../types/krb5_data.html#c.krb5_data" title="krb5_data">krb5_data</a> *<em>&nbsp;outbuf</em>, <a class="reference internal" href="../types/krb5_replay_data.html#c.krb5_replay_data" title="krb5_replay_data">krb5_replay_data</a> *<em>&nbsp;outdata</em><big>)</big><a class="headerlink" href="#c.krb5_mk_priv" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<table class="docutils field-list" frame="void" rules="none">
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<tr class="field-odd field"><th class="field-name">param:</th><td class="field-body"><p class="first"><strong>[in]</strong> <strong>context</strong> - Library context</p>
<p><strong>[in]</strong> <strong>auth_context</strong> - Authentication context</p>
<p><strong>[in]</strong> <strong>userdata</strong> - User data for <strong>KRB-PRIV</strong> message</p>
<p><strong>[out]</strong> <strong>outbuf</strong> - Formatted <strong>KRB-PRIV</strong> message</p>
<p class="last"><strong>[out]</strong> <strong>outdata</strong> - Replay cache handle (NULL if not needed)</p>
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<tr class="field-odd field"><th class="field-name">retval:</th><td class="field-body"><ul class="first last simple">
<li>0   Success; otherwise - Kerberos error codes</li>
</ul>
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</tr>
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</table>
<p>This function is similar to <a class="reference internal" href="krb5_mk_safe.html#c.krb5_mk_safe" title="krb5_mk_safe"><tt class="xref c c-func docutils literal"><span class="pre">krb5_mk_safe()</span></tt></a> , but the message is encrypted and integrity-protected, not just integrity-protected.</p>
<p>The local address in <em>auth_context</em> must be set, and is used to form the sender address used in the KRB-SAFE message. The remote address is optional; if specified, it will be used to form the receiver address used in the message.</p>
<blockquote>
<div><ul class="simple">
<li><a class="reference internal" href="../macros/KRB5_AUTH_CONTEXT_DO_TIME.html#KRB5_AUTH_CONTEXT_DO_TIME" title="KRB5_AUTH_CONTEXT_DO_TIME"><tt class="xref py py-data docutils literal"><span class="pre">KRB5_AUTH_CONTEXT_DO_TIME</span></tt></a> - Use timestamps in <em>outdata</em></li>
<li><a class="reference internal" href="../macros/KRB5_AUTH_CONTEXT_RET_TIME.html#KRB5_AUTH_CONTEXT_RET_TIME" title="KRB5_AUTH_CONTEXT_RET_TIME"><tt class="xref py py-data docutils literal"><span class="pre">KRB5_AUTH_CONTEXT_RET_TIME</span></tt></a> - Copy timestamp to <em>outdata</em> .</li>
<li><a class="reference internal" href="../macros/KRB5_AUTH_CONTEXT_DO_SEQUENCE.html#KRB5_AUTH_CONTEXT_DO_SEQUENCE" title="KRB5_AUTH_CONTEXT_DO_SEQUENCE"><tt class="xref py py-data docutils literal"><span class="pre">KRB5_AUTH_CONTEXT_DO_SEQUENCE</span></tt></a> - Use local sequence numbers from <em>auth_context</em> in replay cache.</li>
<li><a class="reference internal" href="../macros/KRB5_AUTH_CONTEXT_RET_SEQUENCE.html#KRB5_AUTH_CONTEXT_RET_SEQUENCE" title="KRB5_AUTH_CONTEXT_RET_SEQUENCE"><tt class="xref py py-data docutils literal"><span class="pre">KRB5_AUTH_CONTEXT_RET_SEQUENCE</span></tt></a> - Use local sequence numbers from <em>auth_context</em> as a sequence number in the encrypted message <em>outbuf</em> .</li>
</ul>
</div></blockquote>
<div class="admonition note">
<p class="first admonition-title">Note</p>
<p>If the <a class="reference internal" href="../macros/KRB5_AUTH_CONTEXT_RET_TIME.html#KRB5_AUTH_CONTEXT_RET_TIME" title="KRB5_AUTH_CONTEXT_RET_TIME"><tt class="xref py py-data docutils literal"><span class="pre">KRB5_AUTH_CONTEXT_RET_TIME</span></tt></a> or <a class="reference internal" href="../macros/KRB5_AUTH_CONTEXT_RET_SEQUENCE.html#KRB5_AUTH_CONTEXT_RET_SEQUENCE" title="KRB5_AUTH_CONTEXT_RET_SEQUENCE"><tt class="xref py py-data docutils literal"><span class="pre">KRB5_AUTH_CONTEXT_RET_SEQUENCE</span></tt></a> flag is set in <em>auth_context</em> , the <em>outdata</em> is required.</p>
<p class="last">The flags from <em>auth_context</em> specify whether sequence numbers or timestamps will be used to identify the message. Valid values are:</p>
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