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<div class="title">SSL/TLS communication module</div> </div>
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<p>The SSL/TLS communication module provides the means to create an SSL/TLS communication channel.
<a href="#details">More...</a></p>
<p>The SSL/TLS communication module provides the means to create an SSL/TLS communication channel. </p>
<p>The basic provisions are:</p><ul>
<li>initialise an SSL/TLS context (see <code><a class="el" href="ssl_8h.html#a8560dea66d7830a11874188727ec4c45" title="Initialize an SSL context Just makes the context ready for mbedtls_ssl_setup() or mbedtls_ssl_free() ...">mbedtls_ssl_init()</a></code>).</li>
<li>perform an SSL/TLS handshake (see <code><a class="el" href="ssl_8h.html#a4a37e497cd08c896870a42b1b618186e" title="Perform the SSL handshake. ">mbedtls_ssl_handshake()</a></code>).</li>
<li>read/write (see <code><a class="el" href="ssl_8h.html#aa2c29eeb1deaf5ad9f01a7515006ede5" title="Read at most 'len' application data bytes. ">mbedtls_ssl_read()</a></code> and <code><a class="el" href="ssl_8h.html#a5bbda87d484de82df730758b475f32e5" title="Try to write exactly 'len' application data bytes. ">mbedtls_ssl_write()</a></code>).</li>
<li>notify a peer that connection is being closed (see <code><a class="el" href="ssl_8h.html#ac2c1b17128ead2df3082e27b603deb4c" title="Notify the peer that the connection is being closed. ">mbedtls_ssl_close_notify()</a></code>).</li>
</ul>
<p>Many aspects of such a channel are set through parameters and callback functions:</p><ul>
<li>the endpoint role: client or server.</li>
<li>the authentication mode. Should verification take place.</li>
<li>the Host-to-host communication channel. A TCP/IP module is provided.</li>
<li>the random number generator (RNG).</li>
<li>the ciphers to use for encryption/decryption.</li>
<li>session control functions.</li>
<li>X.509 parameters for certificate-handling and key exchange.</li>
</ul>
<p>This module can be used to create an SSL/TLS server and client and to provide a basic framework to setup and communicate through an SSL/TLS communication channel.<br />
Note that you need to provide for several aspects yourself as mentioned above. </p>
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