urpose of PEM password.
        </p>
<pre class="programlisting"><span class="keyword">enum</span> <span class="identifier">password_purpose</span>
</pre>
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        </p>
<h6>
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          <span><a name="boost_asio.reference.ssl__context.password_purpose.values"></a></span><a class="link" href="password_purpose.html#boost_asio.reference.ssl__