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lib64mbedtls-devel-2.7.3-1.mga6.x86_64.rpm

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<p>Error to string translation.  
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;stddef.h&gt;</code><br />
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Include dependency graph for error.h:</div>
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<div class="center"><img src="error_8h__incl.png" border="0" usemap="#error_8h" alt=""/></div>
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<p><a href="error_8h_source.html">Go to the source code of this file.</a></p>
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Functions</h2></td></tr>
<tr class="memitem:a8c41c149b77a4807115b19c2af858558"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="error_8h.html#a8c41c149b77a4807115b19c2af858558">mbedtls_strerror</a> (int errnum, char *buffer, size_t buflen)</td></tr>
<tr class="memdesc:a8c41c149b77a4807115b19c2af858558"><td class="mdescLeft">&#160;</td><td class="mdescRight">Translate a mbed TLS error code into a string representation, Result is truncated if necessary and always includes a terminating null byte.  <a href="#a8c41c149b77a4807115b19c2af858558">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>Error to string translation. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a8c41c149b77a4807115b19c2af858558">&#9670;&nbsp;</a></span>mbedtls_strerror()</h2>

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          <td class="memname">void mbedtls_strerror </td>
          <td>(</td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>errnum</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">char *&#160;</td>
          <td class="paramname"><em>buffer</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">size_t&#160;</td>
          <td class="paramname"><em>buflen</em>&#160;</td>
        </tr>
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          <td></td>
          <td>)</td>
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<p>Translate a mbed TLS error code into a string representation, Result is truncated if necessary and always includes a terminating null byte. </p>
<p>Error code layout.</p>
<p>Currently we try to keep all error codes within the negative space of 16 bits signed integers to support all platforms (-0x0001 - -0x7FFF). In addition we'd like to give two layers of information on the error if possible.</p>
<p>For that purpose the error codes are segmented in the following manner:</p>
<p>16 bit error code bit-segmentation</p>
<p>1 bit - Unused (sign bit) 3 bits - High level module ID 5 bits - Module-dependent error code 7 bits - Low level module errors</p>
<p>For historical reasons, low-level error codes are divided in even and odd, even codes were assigned first, and -1 is reserved for other errors.</p>
<p>Low-level module errors (0x0002-0x007E, 0x0003-0x007F)</p>
<p>Module Nr Codes assigned MPI 7 0x0002-0x0010 GCM 3 0x0012-0x0014 0x0013-0x0013 BLOWFISH 3 0x0016-0x0018 0x0017-0x0017 THREADING 3 0x001A-0x001E AES 4 0x0020-0x0022 0x0023-0x0025 CAMELLIA 3 0x0024-0x0026 0x0027-0x0027 XTEA 2 0x0028-0x0028 0x0029-0x0029 BASE64 2 0x002A-0x002C OID 1 0x002E-0x002E 0x000B-0x000B PADLOCK 1 0x0030-0x0030 DES 2 0x0032-0x0032 0x0033-0x0033 CTR_DBRG 4 0x0034-0x003A ENTROPY 3 0x003C-0x0040 0x003D-0x003F NET 11 0x0042-0x0052 0x0043-0x0045 ASN1 7 0x0060-0x006C CMAC 1 0x007A-0x007A PBKDF2 1 0x007C-0x007C HMAC_DRBG 4 0x0003-0x0009 CCM 3 0x000D-0x0011 ARC4 1 0x0019-0x0019 MD2 1 0x002B-0x002B MD4 1 0x002D-0x002D MD5 1 0x002F-0x002F RIPEMD160 1 0x0031-0x0031 SHA1 1 0x0035-0x0035 SHA256 1 0x0037-0x0037 SHA512 1 0x0039-0x0039</p>
<p>High-level module nr (3 bits - 0x0...-0x7...) Name ID Nr of Errors PEM 1 9 PKCS#12 1 4 (Started from top) X509 2 20 PKCS5 2 4 (Started from top) DHM 3 11 PK 3 15 (Started from top) RSA 4 11 ECP 4 9 (Started from top) MD 5 5 CIPHER 6 8 SSL 6 17 (Started from top) SSL 7 31</p>
<p>Module dependent error code (5 bits 0x.00.-0x.F8.) </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">errnum</td><td>error code </td></tr>
    <tr><td class="paramname">buffer</td><td>buffer to place representation in </td></tr>
    <tr><td class="paramname">buflen</td><td>length of the buffer </td></tr>
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  </dd>
</dl>

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