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<div id="function.ssh2-auth-pubkey" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ssh2_auth_pubkey</h1>
  <p class="verinfo">(PECL ssh2 &gt;= 1.4.0)</p><p class="refpurpose"><span class="refname">ssh2_auth_pubkey</span> &mdash; <span class="dc-title">Authenticate using a public key in a variable</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.ssh2-auth-pubkey-description">
  <h3 class="title">Descrizione</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>ssh2_auth_pubkey</strong></span>(<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.resource.php" class="type resource">resource</a></span> <code class="parameter">$session</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$username</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$pubkey</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$privkey</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$passphrase</code><span class="initializer"> = ?</span></span><br>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="simpara">
   Authenticate using a public key in a variable.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.ssh2-auth-pubkey-parameters">
  <h3 class="title">Elenco dei parametri</h3>
  <dl>
   
    <dt><code class="parameter">session</code></dt>
    <dd>
     <span class="simpara">
      An SSH connection link identifier, obtained from a call to
      <span class="function"><a href="function.ssh2-connect.php" class="function">ssh2_connect()</a></span>.
     </span>
    </dd>
   
   
    <dt><code class="parameter">username</code></dt>
    <dd>
     <span class="simpara">
       Name of the user to authenticate as on the remote server.
     </span>
    </dd>
   
   
    <dt><code class="parameter">pubkey</code></dt>
    <dd>
     <span class="simpara">
      Public key in OpenSSH&#039;s format. It should look something like:
      <code class="literal">ssh-rsa AAAAB3NzaC1yc2EAAA....NX6sqSnHA8= rsa-key-20121110</code>
     </span>
    </dd>
   
   
    <dt><code class="parameter">privkey</code></dt>
    <dd>
     <span class="simpara">
      Private OpenSSH key. It should begin with:
      <code class="literal">-----BEGIN RSA PRIVATE KEY-----</code>
     </span>
    </dd>
   
   
    <dt><code class="parameter">passphrase</code></dt>
    <dd>
     <span class="simpara">
      If <code class="parameter">privkey</code> is encrypted (which it should
      be), the <code class="parameter">passphrase</code> must be provided.
     </span>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.ssh2-auth-pubkey-returnvalues">
  <h3 class="title">Valori restituiti</h3>
  <p class="simpara">
   Restituisce <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> in caso di successo, <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> in caso di fallimento.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.ssh2-auth-pubkey-examples">
  <h3 class="title">Esempi</h3>
  <div class="example" id="example-1">
   <p><strong>Example #1 Authentication using a public key</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$connection </span><span style="color: #007700">= </span><span style="color: #0000BB">ssh2_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'shell.example.com'</span><span style="color: #007700">, </span><span style="color: #0000BB">22</span><span style="color: #007700">, array(</span><span style="color: #DD0000">'hostkey'</span><span style="color: #007700">=&gt;</span><span style="color: #DD0000">'ssh-rsa'</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">$publicKey </span><span style="color: #007700">= </span><span style="color: #0000BB">file_get_contents</span><span style="color: #007700">(</span><span style="color: #DD0000">'/home/username/.ssh/id_rsa.pub'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$privateKey </span><span style="color: #007700">= </span><span style="color: #0000BB">file_get_contents</span><span style="color: #007700">(</span><span style="color: #DD0000">'/home/username/.ssh/id_rsa'</span><span style="color: #007700">);<br /><br />if (</span><span style="color: #0000BB">ssh2_auth_pubkey</span><span style="color: #007700">(</span><span style="color: #0000BB">$connection</span><span style="color: #007700">, </span><span style="color: #DD0000">'username'</span><span style="color: #007700">,<br />                     </span><span style="color: #0000BB">$publicKey</span><span style="color: #007700">,<br />                     </span><span style="color: #0000BB">$privateKey</span><span style="color: #007700">, </span><span style="color: #DD0000">'secret'</span><span style="color: #007700">)) {<br />  echo </span><span style="color: #DD0000">"Public Key Authentication Successful\n"</span><span style="color: #007700">;<br />} else {<br />  die(</span><span style="color: #DD0000">'Public Key Authentication Failed'</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

  </div>
 </div>


 <div class="refsect1 notes" id="refsect1-function.ssh2-auth-pubkey-notes">
  <h3 class="title">Note</h3>
  <blockquote class="note"><p><strong class="note">Nota</strong>: 
   <span class="simpara">
    The underlying libssh library doesn&#039;t support partial auths very cleanly.
    That is, if you need to supply both a public key and a password it will
    appear as if this function has failed. In this particular case a failure
    from this call may just mean that auth hasn&#039;t been completed yet. You
    would need to ignore this failure and continue on and call
    <span class="function"><a href="function.ssh2-auth-password.php" class="function">ssh2_auth_password()</a></span> in order to complete
    authentication.
   </span>
  </p></blockquote>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.ssh2-auth-pubkey-seealso">
  <h3 class="title">Vedere anche:</h3>
  <ul class="simplelist">
   <li><span class="function"><a href="function.ssh2-auth-pubkey-file.php" class="function" rel="rdfs-seeAlso">ssh2_auth_pubkey_file()</a> - Authenticate using a public key read from a file</span></li>
  </ul>
 </div>


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