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<p>The Mbed TLS platform abstraction layer.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include "<a class="el" href="config_8h_source.html">config.h</a>"</code><br />
<code>#include "<a class="el" href="platform__time_8h_source.html">mbedtls/platform_time.h</a>"</code><br />
<code>#include <stdio.h></code><br />
<code>#include <stdlib.h></code><br />
<code>#include <time.h></code><br />
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Include dependency graph for platform.h:</div>
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<p><a href="platform_8h_source.html">Go to the source code of this file.</a></p>
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Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structmbedtls__platform__context.html">mbedtls_platform_context</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">The platform context structure. <a href="structmbedtls__platform__context.html#details">More...</a><br /></td></tr>
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Macros</h2></td></tr>
<tr class="memitem:a4f80030b2d10f956f8ac00b57eebfbe8"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#a4f80030b2d10f956f8ac00b57eebfbe8">mbedtls_free</a>   free</td></tr>
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<tr class="memitem:aa7fa389b6ec8a6c33f594f8c3f5c76ef"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#aa7fa389b6ec8a6c33f594f8c3f5c76ef">mbedtls_calloc</a>   calloc</td></tr>
<tr class="separator:aa7fa389b6ec8a6c33f594f8c3f5c76ef"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6d045f0c3699e1eac7f723054dc8b3e4"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#a6d045f0c3699e1eac7f723054dc8b3e4">mbedtls_fprintf</a>   fprintf</td></tr>
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<tr class="memitem:af846397815d6b78aadc6ce9bb6bc9238"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#af846397815d6b78aadc6ce9bb6bc9238">mbedtls_printf</a>   printf</td></tr>
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<tr class="memitem:a57d4faa7aee8300f544af63b9f6eed63"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#a57d4faa7aee8300f544af63b9f6eed63">mbedtls_snprintf</a>   snprintf</td></tr>
<tr class="separator:a57d4faa7aee8300f544af63b9f6eed63"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac30e03304a664d7b69a23fb0ac79a426"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#ac30e03304a664d7b69a23fb0ac79a426">mbedtls_exit</a>   exit</td></tr>
<tr class="separator:ac30e03304a664d7b69a23fb0ac79a426"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae0beaef88e29bfd432cb2543ac79f109"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#ae0beaef88e29bfd432cb2543ac79f109">MBEDTLS_EXIT_SUCCESS</a>   <a class="el" href="platform_8h.html#ad9a994f168868af54652a992937df5d0">MBEDTLS_PLATFORM_STD_EXIT_SUCCESS</a></td></tr>
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<tr class="memitem:a416732ec24ebb55fb12969e849ba27c0"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#a416732ec24ebb55fb12969e849ba27c0">MBEDTLS_EXIT_FAILURE</a>   <a class="el" href="platform_8h.html#a04892f78f480255957e858fd6f82053a">MBEDTLS_PLATFORM_STD_EXIT_FAILURE</a></td></tr>
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<tr><td colspan="2"><div class="groupHeader">SECTION: Module settings</div></td></tr>
<tr><td colspan="2"><div class="groupText"><p>The configuration options you can set for this module are in this section. Either change them in <a class="el" href="config_8h.html" title="Configuration options (set of defines) ">config.h</a> or define them on the compiler command line. </p>
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<tr class="memitem:ac128e71af8e5de1edc7a6d43f4633de9"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#ac128e71af8e5de1edc7a6d43f4633de9">MBEDTLS_PLATFORM_STD_SNPRINTF</a>   snprintf</td></tr>
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<tr class="memitem:a7f558b4383b398ef4c9901fe8952c603"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#a7f558b4383b398ef4c9901fe8952c603">MBEDTLS_PLATFORM_STD_PRINTF</a>   printf</td></tr>
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<tr class="memitem:acfb169577d838484539f5b17be8ab034"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#acfb169577d838484539f5b17be8ab034">MBEDTLS_PLATFORM_STD_FPRINTF</a>   fprintf</td></tr>
<tr class="separator:acfb169577d838484539f5b17be8ab034"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9e7b93e4a92624d51bc7cbdc04723a05"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#a9e7b93e4a92624d51bc7cbdc04723a05">MBEDTLS_PLATFORM_STD_CALLOC</a>   calloc</td></tr>
<tr class="separator:a9e7b93e4a92624d51bc7cbdc04723a05"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2abc88498566e351dc97660f5aecf46c"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#a2abc88498566e351dc97660f5aecf46c">MBEDTLS_PLATFORM_STD_FREE</a>   free</td></tr>
<tr class="separator:a2abc88498566e351dc97660f5aecf46c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a38913959323b25e00cdaf606647ef398"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#a38913959323b25e00cdaf606647ef398">MBEDTLS_PLATFORM_STD_EXIT</a>   exit</td></tr>
<tr class="separator:a38913959323b25e00cdaf606647ef398"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a617cd0d84bb5dd4d1fc44d4975873b6c"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#a617cd0d84bb5dd4d1fc44d4975873b6c">MBEDTLS_PLATFORM_STD_TIME</a>   time</td></tr>
<tr class="separator:a617cd0d84bb5dd4d1fc44d4975873b6c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad9a994f168868af54652a992937df5d0"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#ad9a994f168868af54652a992937df5d0">MBEDTLS_PLATFORM_STD_EXIT_SUCCESS</a>   EXIT_SUCCESS</td></tr>
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<tr class="memitem:a04892f78f480255957e858fd6f82053a"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#a04892f78f480255957e858fd6f82053a">MBEDTLS_PLATFORM_STD_EXIT_FAILURE</a>   EXIT_FAILURE</td></tr>
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<tr class="memitem:aa48a4c49a3bf3d0d41b7142270d752d4"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#aa48a4c49a3bf3d0d41b7142270d752d4">MBEDTLS_PLATFORM_STD_NV_SEED_READ</a>   mbedtls_platform_std_nv_seed_read</td></tr>
<tr class="separator:aa48a4c49a3bf3d0d41b7142270d752d4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a53ddd1e4f60566c81a83d45026a643c8"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#a53ddd1e4f60566c81a83d45026a643c8">MBEDTLS_PLATFORM_STD_NV_SEED_WRITE</a>   mbedtls_platform_std_nv_seed_write</td></tr>
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<tr class="memitem:a0edd4a9b0e9ba51ea85c74780101b7cd"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#a0edd4a9b0e9ba51ea85c74780101b7cd">MBEDTLS_PLATFORM_STD_NV_SEED_FILE</a>   "seedfile"</td></tr>
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Functions</h2></td></tr>
<tr class="memitem:af0f37c11be234650bec95ce37e9a4a6b"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#af0f37c11be234650bec95ce37e9a4a6b">mbedtls_platform_setup</a> (<a class="el" href="structmbedtls__platform__context.html">mbedtls_platform_context</a> *ctx)</td></tr>
<tr class="memdesc:af0f37c11be234650bec95ce37e9a4a6b"><td class="mdescLeft"> </td><td class="mdescRight">This function performs any platform initialization operations. <a href="#af0f37c11be234650bec95ce37e9a4a6b">More...</a><br /></td></tr>
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<tr class="memitem:a264d5dd442e32a262d331f8889a0997c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="platform_8h.html#a264d5dd442e32a262d331f8889a0997c">mbedtls_platform_teardown</a> (<a class="el" href="structmbedtls__platform__context.html">mbedtls_platform_context</a> *ctx)</td></tr>
<tr class="memdesc:a264d5dd442e32a262d331f8889a0997c"><td class="mdescLeft"> </td><td class="mdescRight">This function performs any platform teardown operations. <a href="#a264d5dd442e32a262d331f8889a0997c">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>The Mbed TLS platform abstraction layer. </p>
<p class="definition">Definition in file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
<a id="aa7fa389b6ec8a6c33f594f8c3f5c76ef"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa7fa389b6ec8a6c33f594f8c3f5c76ef">◆ </a></span>mbedtls_calloc</h2>
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<td class="memname">#define mbedtls_calloc   calloc</td>
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<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00131">131</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac30e03304a664d7b69a23fb0ac79a426">◆ </a></span>mbedtls_exit</h2>
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<td class="memname">#define mbedtls_exit   exit</td>
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<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00236">236</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a416732ec24ebb55fb12969e849ba27c0">◆ </a></span>MBEDTLS_EXIT_FAILURE</h2>
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<td class="memname">#define MBEDTLS_EXIT_FAILURE   <a class="el" href="platform_8h.html#a04892f78f480255957e858fd6f82053a">MBEDTLS_PLATFORM_STD_EXIT_FAILURE</a></td>
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<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00249">249</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae0beaef88e29bfd432cb2543ac79f109">◆ </a></span>MBEDTLS_EXIT_SUCCESS</h2>
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<td class="memname">#define MBEDTLS_EXIT_SUCCESS   <a class="el" href="platform_8h.html#ad9a994f168868af54652a992937df5d0">MBEDTLS_PLATFORM_STD_EXIT_SUCCESS</a></td>
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<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00244">244</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a6d045f0c3699e1eac7f723054dc8b3e4">◆ </a></span>mbedtls_fprintf</h2>
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<td class="memname">#define mbedtls_fprintf   fprintf</td>
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<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00155">155</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a4f80030b2d10f956f8ac00b57eebfbe8">◆ </a></span>mbedtls_free</h2>
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<td class="memname">#define mbedtls_free   free</td>
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<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00130">130</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a9e7b93e4a92624d51bc7cbdc04723a05">◆ </a></span>MBEDTLS_PLATFORM_STD_CALLOC</h2>
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<td class="memname">#define MBEDTLS_PLATFORM_STD_CALLOC   calloc</td>
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<p>The default <code>calloc</code> function to use. </p>
<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00067">67</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a38913959323b25e00cdaf606647ef398">◆ </a></span>MBEDTLS_PLATFORM_STD_EXIT</h2>
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<td class="memname">#define MBEDTLS_PLATFORM_STD_EXIT   exit</td>
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<p>The default <code>exit</code> function to use. </p>
<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00073">73</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a04892f78f480255957e858fd6f82053a">◆ </a></span>MBEDTLS_PLATFORM_STD_EXIT_FAILURE</h2>
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<td class="memname">#define MBEDTLS_PLATFORM_STD_EXIT_FAILURE   EXIT_FAILURE</td>
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<p>The default exit value to use. </p>
<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00082">82</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad9a994f168868af54652a992937df5d0">◆ </a></span>MBEDTLS_PLATFORM_STD_EXIT_SUCCESS</h2>
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<td class="memname">#define MBEDTLS_PLATFORM_STD_EXIT_SUCCESS   EXIT_SUCCESS</td>
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<p>The default exit value to use. </p>
<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00079">79</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#acfb169577d838484539f5b17be8ab034">◆ </a></span>MBEDTLS_PLATFORM_STD_FPRINTF</h2>
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<td class="memname">#define MBEDTLS_PLATFORM_STD_FPRINTF   fprintf</td>
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<p>The default <code>fprintf</code> function to use. </p>
<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00064">64</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a2abc88498566e351dc97660f5aecf46c">◆ </a></span>MBEDTLS_PLATFORM_STD_FREE</h2>
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<td class="memname">#define MBEDTLS_PLATFORM_STD_FREE   free</td>
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<p>The default <code>free</code> function to use. </p>
<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00070">70</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a0edd4a9b0e9ba51ea85c74780101b7cd">◆ </a></span>MBEDTLS_PLATFORM_STD_NV_SEED_FILE</h2>
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<td class="memname">#define MBEDTLS_PLATFORM_STD_NV_SEED_FILE   "seedfile"</td>
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<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00092">92</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa48a4c49a3bf3d0d41b7142270d752d4">◆ </a></span>MBEDTLS_PLATFORM_STD_NV_SEED_READ</h2>
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<td class="memname">#define MBEDTLS_PLATFORM_STD_NV_SEED_READ   mbedtls_platform_std_nv_seed_read</td>
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<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00086">86</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a53ddd1e4f60566c81a83d45026a643c8">◆ </a></span>MBEDTLS_PLATFORM_STD_NV_SEED_WRITE</h2>
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<td class="memname">#define MBEDTLS_PLATFORM_STD_NV_SEED_WRITE   mbedtls_platform_std_nv_seed_write</td>
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<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00089">89</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a7f558b4383b398ef4c9901fe8952c603">◆ </a></span>MBEDTLS_PLATFORM_STD_PRINTF</h2>
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<td class="memname">#define MBEDTLS_PLATFORM_STD_PRINTF   printf</td>
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<p>The default <code>printf</code> function to use. </p>
<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00061">61</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac128e71af8e5de1edc7a6d43f4633de9">◆ </a></span>MBEDTLS_PLATFORM_STD_SNPRINTF</h2>
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<td class="memname">#define MBEDTLS_PLATFORM_STD_SNPRINTF   snprintf</td>
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<p>The default <code>snprintf</code> function to use. </p>
<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00057">57</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a617cd0d84bb5dd4d1fc44d4975873b6c">◆ </a></span>MBEDTLS_PLATFORM_STD_TIME</h2>
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<td class="memname">#define MBEDTLS_PLATFORM_STD_TIME   time</td>
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<p>The default <code>time</code> function to use. </p>
<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00076">76</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#af846397815d6b78aadc6ce9bb6bc9238">◆ </a></span>mbedtls_printf</h2>
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<td class="memname">#define mbedtls_printf   printf</td>
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<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00178">178</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a57d4faa7aee8300f544af63b9f6eed63">◆ </a></span>mbedtls_snprintf</h2>
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<td class="memname">#define mbedtls_snprintf   snprintf</td>
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<p class="definition">Definition at line <a class="el" href="platform_8h_source.html#l00213">213</a> of file <a class="el" href="platform_8h_source.html">platform.h</a>.</p>
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<h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#af0f37c11be234650bec95ce37e9a4a6b">◆ </a></span>mbedtls_platform_setup()</h2>
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<td class="memname">int mbedtls_platform_setup </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structmbedtls__platform__context.html">mbedtls_platform_context</a> * </td>
<td class="paramname"><em>ctx</em></td><td>)</td>
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<p>This function performs any platform initialization operations. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">ctx</td><td>The Mbed TLS context.</td></tr>
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<dl class="section return"><dt>Returns</dt><dd><code>0</code> on success.</dd></dl>
<dl class="section note"><dt>Note</dt><dd>This function is intended to allow platform-specific initialization, and should be called before any other library functions. Its implementation is platform-specific, and unless platform-specific code is provided, it does nothing.</dd></dl>
<p>Its use and whether it is necessary to call it is dependent on the platform. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a264d5dd442e32a262d331f8889a0997c">◆ </a></span>mbedtls_platform_teardown()</h2>
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<td class="memname">void mbedtls_platform_teardown </td>
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<td class="paramtype"><a class="el" href="structmbedtls__platform__context.html">mbedtls_platform_context</a> * </td>
<td class="paramname"><em>ctx</em></td><td>)</td>
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<p>This function performs any platform teardown operations. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">ctx</td><td>The Mbed TLS context.</td></tr>
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<dl class="section note"><dt>Note</dt><dd>This function should be called after every other Mbed TLS module has been correctly freed using the appropriate free function. Its implementation is platform-specific, and unless platform-specific code is provided, it does nothing.</dd></dl>
<p>Its use and whether it is necessary to call it is dependent on the platform. </p>
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