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   <div id="projectname">tpm2-tss
   &#160;<span id="projectnumber">3.2.0</span>
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   <div id="projectbrief">TPM Software stack 2.0 TCG spec compliant implementation</div>
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<div class="title">The ESAPI function for the TPM2_Clear command.<div class="ingroups"><a class="el" href="group__esys.html">Enhanced System API</a> &raquo; <a class="el" href="group__esys__tpm.html">Esys TPM Commands</a></div></div>  </div>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga3305a54fca319aebbb3316a205ab304f"><td class="memItemLeft" align="right" valign="top">TSS2_RC&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___esys___clear.html#ga3305a54fca319aebbb3316a205ab304f">Esys_Clear_Async</a> (<a class="el" href="group__esys__int.html#struct_e_s_y_s___c_o_n_t_e_x_t">ESYS_CONTEXT</a> *esysContext, <a class="el" href="group___e_s_y_s___t_r.html#ga65d10db3b0b31fcd709e692f1545d30f">ESYS_TR</a> authHandle, <a class="el" href="group___e_s_y_s___t_r.html#ga65d10db3b0b31fcd709e692f1545d30f">ESYS_TR</a> shandle1, <a class="el" href="group___e_s_y_s___t_r.html#ga65d10db3b0b31fcd709e692f1545d30f">ESYS_TR</a> shandle2, <a class="el" href="group___e_s_y_s___t_r.html#ga65d10db3b0b31fcd709e692f1545d30f">ESYS_TR</a> shandle3)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>ESAPI function to invoke the TPM2_Clear command either as a one-call or in an asynchronous manner. </p>
<h2 class="groupheader">Function Documentation</h2>
<a id="ga3305a54fca319aebbb3316a205ab304f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga3305a54fca319aebbb3316a205ab304f">&#9670;&nbsp;</a></span>Esys_Clear_Async()</h2>

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          <td class="memname">TSS2_RC Esys_Clear_Async </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="group__esys__int.html#struct_e_s_y_s___c_o_n_t_e_x_t">ESYS_CONTEXT</a> *&#160;</td>
          <td class="paramname"><em>esysContext</em>, </td>
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        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="group___e_s_y_s___t_r.html#ga65d10db3b0b31fcd709e692f1545d30f">ESYS_TR</a>&#160;</td>
          <td class="paramname"><em>authHandle</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="group___e_s_y_s___t_r.html#ga65d10db3b0b31fcd709e692f1545d30f">ESYS_TR</a>&#160;</td>
          <td class="paramname"><em>shandle1</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="group___e_s_y_s___t_r.html#ga65d10db3b0b31fcd709e692f1545d30f">ESYS_TR</a>&#160;</td>
          <td class="paramname"><em>shandle2</em>, </td>
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          <td class="paramtype"><a class="el" href="group___e_s_y_s___t_r.html#ga65d10db3b0b31fcd709e692f1545d30f">ESYS_TR</a>&#160;</td>
          <td class="paramname"><em>shandle3</em>&#160;</td>
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<p>Asynchronous function for TPM2_Clear</p>
<p>This function invokes the TPM2_Clear command in a asynchronous variant. This means the function will return as soon as the command has been sent downwards the stack to the TPM. All input parameters are const. In order to retrieve the TPM's response call Esys_Clear_Finish.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in,out]</td><td class="paramname">esysContext</td><td>The <a class="el" href="group__esys__int.html#struct_e_s_y_s___c_o_n_t_e_x_t">ESYS_CONTEXT</a>. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">authHandle</td><td>TPM2_RH_LOCKOUT or TPM2_RH_PLATFORM+{PP}. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">shandle1</td><td>Session handle for authorization of authHandle </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">shandle2</td><td>Second session handle. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">shandle3</td><td>Third session handle. </td></tr>
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<dl class="retval"><dt>Return values</dt><dd>
  <table class="retval">
    <tr><td class="paramname">ESYS_RC_SUCCESS</td><td>if the function call was a success. </td></tr>
    <tr><td class="paramname">TSS2_ESYS_RC_BAD_REFERENCE</td><td>if the esysContext or required input pointers or required output handle references are NULL. </td></tr>
    <tr><td class="paramname">TSS2_ESYS_RC_BAD_CONTEXT</td><td>if esysContext corruption is detected. </td></tr>
    <tr><td class="paramname">TSS2_ESYS_RC_MEMORY</td><td>if the ESAPI cannot allocate enough memory for internal operations or return parameters. </td></tr>
    <tr><td class="paramname">TSS2_RCs</td><td>produced by lower layers of the software stack may be returned to the caller unaltered unless handled internally. </td></tr>
    <tr><td class="paramname">TSS2_ESYS_RC_MULTIPLE_DECRYPT_SESSIONS</td><td>if more than one session has the 'decrypt' attribute bit set. </td></tr>
    <tr><td class="paramname">TSS2_ESYS_RC_MULTIPLE_ENCRYPT_SESSIONS</td><td>if more than one session has the 'encrypt' attribute bit set. </td></tr>
    <tr><td class="paramname">TSS2_ESYS_RC_BAD_TR</td><td>if any of the ESYS_TR objects are unknown to the <a class="el" href="group__esys__int.html#struct_e_s_y_s___c_o_n_t_e_x_t">ESYS_CONTEXT</a> or are of the wrong type or if required ESYS_TR objects are ESYS_TR_NONE. </td></tr>
    <tr><td class="paramname">TSS2_ESYS_RC_NO_DECRYPT_PARAM</td><td>if one of the sessions has the 'decrypt' attribute set and the command does not support encryption of the first command parameter. </td></tr>
    <tr><td class="paramname">TSS2_ESYS_RC_NO_ENCRYPT_PARAM</td><td>if one of the sessions has the 'encrypt' attribute set and the command does not support encryption of the first response parameter. </td></tr>
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