1<!-- HTML header for doxygen 1.8.10--> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml"> 4<head> 5<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> 6<meta http-equiv="X-UA-Compatible" content="IE=9"/> 7<meta name="generator" content="Doxygen 1.8.14"/> 8<title>Intel® Enhanced Privacy ID SDK: epid/member/tiny/math/hashwrap.h File Reference</title> 9<link href="tabs.css" rel="stylesheet" type="text/css"/> 10<script type="text/javascript" src="jquery.js"></script> 11<script type="text/javascript" src="dynsections.js"></script> 12<link href="navtree.css" rel="stylesheet" type="text/css"/> 13<script type="text/javascript" src="resize.js"></script> 14<script type="text/javascript" src="navtreedata.js"></script> 15<script type="text/javascript" src="navtree.js"></script> 16<script type="text/javascript"> 17/* @license 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48 <div id="nav-sync" class="sync"></div> 49 </div> 50 </div> 51 <div id="splitbar" style="-moz-user-select:none;" 52 class="ui-resizable-handle"> 53 </div> 54</div> 55<script type="text/javascript"> 56/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ 57$(document).ready(function(){initNavTree('hashwrap_8h.html','');}); 58/* @license-end */ 59</script> 60<div id="doc-content"> 61<div class="header"> 62 <div class="summary"> 63<a href="#nested-classes">Data Structures</a> | 64<a href="#define-members">Macros</a> | 65<a href="#func-members">Functions</a> </div> 66 <div class="headertitle"> 67<div class="title">hashwrap.h File Reference</div> </div> 68</div><!--header--> 69<div class="contents"> 70 71<p>Decleration of hash wrap function. 72<a href="#details">More...</a></p> 73<div class="textblock"><code>#include <stddef.h></code><br /> 74<code>#include "<a class="el" href="types_8h.html">epid/common/types.h</a>"</code><br /> 75<code>#include "<a class="el" href="mathtypes_8h.html">epid/member/tiny/math/mathtypes.h</a>"</code><br /> 76<code>#include "<a class="el" href="sha512_8h.html">epid/member/tiny/math/sha512.h</a>"</code><br /> 77<code>#include "<a class="el" href="sha256_8h.html">epid/member/tiny/math/sha256.h</a>"</code><br /> 78</div><table class="memberdecls"> 79<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a> 80Data Structures</h2></td></tr> 81<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">union  </td><td class="memItemRight" valign="bottom"><a class="el" href="unionsha__digest.html">sha_digest</a></td></tr> 82<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Sha Digest Element. <a href="unionsha__digest.html#details">More...</a><br /></td></tr> 83<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> 84<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structtiny__sha.html">tiny_sha</a></td></tr> 85<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Tiny Sha wrapper Element. <a href="structtiny__sha.html#details">More...</a><br /></td></tr> 86<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> 87</table><table class="memberdecls"> 88<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> 89Functions</h2></td></tr> 90<tr class="memitem:ab168fa663e74cc973af7e79d384df8b0"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="hashwrap_8h.html#ab168fa663e74cc973af7e79d384df8b0">tinysha_init</a> (<a class="el" href="group___epid_types.html#ga5e450438f6f9a5eacd0cf5ce354ec890">HashAlg</a> sha_type, <a class="el" href="structtiny__sha.html">tiny_sha</a> *s)</td></tr> 91<tr class="memdesc:ab168fa663e74cc973af7e79d384df8b0"><td class="mdescLeft"> </td><td class="mdescRight">Initializes the hash state. <a href="#ab168fa663e74cc973af7e79d384df8b0">More...</a><br /></td></tr> 92<tr class="separator:ab168fa663e74cc973af7e79d384df8b0"><td class="memSeparator" colspan="2"> </td></tr> 93<tr class="memitem:a9844075a9ccf12e56f6a07d86b49c98d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="hashwrap_8h.html#a9844075a9ccf12e56f6a07d86b49c98d">tinysha_update</a> (<a class="el" href="structtiny__sha.html">tiny_sha</a> *s, void const *data, size_t data_length)</td></tr> 94<tr class="memdesc:a9844075a9ccf12e56f6a07d86b49c98d"><td class="mdescLeft"> </td><td class="mdescRight">Hashes data into state using a chosen hash algorithm. <a href="#a9844075a9ccf12e56f6a07d86b49c98d">More...</a><br /></td></tr> 95<tr class="separator:a9844075a9ccf12e56f6a07d86b49c98d"><td class="memSeparator" colspan="2"> </td></tr> 96<tr class="memitem:a22b9a3e01537f4f5d89e608c8b7956f6"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="hashwrap_8h.html#a22b9a3e01537f4f5d89e608c8b7956f6">tinysha_final</a> (unsigned char *digest, <a class="el" href="structtiny__sha.html">tiny_sha</a> *s)</td></tr> 97<tr class="memdesc:a22b9a3e01537f4f5d89e608c8b7956f6"><td class="mdescLeft"> </td><td class="mdescRight">Computes the hash algorithm in the digest buffer. <a href="#a22b9a3e01537f4f5d89e608c8b7956f6">More...</a><br /></td></tr> 98<tr class="separator:a22b9a3e01537f4f5d89e608c8b7956f6"><td class="memSeparator" colspan="2"> </td></tr> 99<tr class="memitem:a6e07fd5b18355546d72dd09eae343c6a"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="hashwrap_8h.html#a6e07fd5b18355546d72dd09eae343c6a">tinysha_digest_size</a> (<a class="el" href="structtiny__sha.html">tiny_sha</a> *s)</td></tr> 100<tr class="memdesc:a6e07fd5b18355546d72dd09eae343c6a"><td class="mdescLeft"> </td><td class="mdescRight">Returns size of digest depending on hash algorithm. <a href="#a6e07fd5b18355546d72dd09eae343c6a">More...</a><br /></td></tr> 101<tr class="separator:a6e07fd5b18355546d72dd09eae343c6a"><td class="memSeparator" colspan="2"> </td></tr> 102</table> 103<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> 104<div class="textblock"><p>Decleration of hash wrap function. </p> 105</div><h2 class="groupheader">Function Documentation</h2> 106<a id="a6e07fd5b18355546d72dd09eae343c6a"></a> 107<h2 class="memtitle"><span class="permalink"><a href="#a6e07fd5b18355546d72dd09eae343c6a">◆ </a></span>tinysha_digest_size()</h2> 108 109<div class="memitem"> 110<div class="memproto"> 111 <table class="memname"> 112 <tr> 113 <td class="memname">size_t tinysha_digest_size </td> 114 <td>(</td> 115 <td class="paramtype"><a class="el" href="structtiny__sha.html">tiny_sha</a> * </td> 116 <td class="paramname"><em>s</em></td><td>)</td> 117 <td></td> 118 </tr> 119 </table> 120</div><div class="memdoc"> 121 122<p>Returns size of digest depending on hash algorithm. </p> 123<dl class="params"><dt>Parameters</dt><dd> 124 <table class="params"> 125 <tr><td class="paramdir">[in]</td><td class="paramname">s</td><td>The hash state. Must be non-null or behavior is undefined.</td></tr> 126 </table> 127 </dd> 128</dl> 129<dl class="section return"><dt>Returns</dt><dd>Size of digest </dd></dl> 130 131</div> 132</div> 133<a id="a22b9a3e01537f4f5d89e608c8b7956f6"></a> 134<h2 class="memtitle"><span class="permalink"><a href="#a22b9a3e01537f4f5d89e608c8b7956f6">◆ </a></span>tinysha_final()</h2> 135 136<div class="memitem"> 137<div class="memproto"> 138 <table class="memname"> 139 <tr> 140 <td class="memname">void tinysha_final </td> 141 <td>(</td> 142 <td class="paramtype">unsigned char * </td> 143 <td class="paramname"><em>digest</em>, </td> 144 </tr> 145 <tr> 146 <td class="paramkey"></td> 147 <td></td> 148 <td class="paramtype"><a class="el" href="structtiny__sha.html">tiny_sha</a> * </td> 149 <td class="paramname"><em>s</em> </td> 150 </tr> 151 <tr> 152 <td></td> 153 <td>)</td> 154 <td></td><td></td> 155 </tr> 156 </table> 157</div><div class="memdoc"> 158 159<p>Computes the hash algorithm in the digest buffer. </p> 160<dl class="params"><dt>Parameters</dt><dd> 161 <table class="params"> 162 <tr><td class="paramdir">[out]</td><td class="paramname">digest</td><td>The computed digest. Must be non-null or behavior is undefined.</td></tr> 163 <tr><td class="paramdir">[in]</td><td class="paramname">s</td><td>The hash state. Must be non-null or behavior is undefined. </td></tr> 164 </table> 165 </dd> 166</dl> 167 168</div> 169</div> 170<a id="ab168fa663e74cc973af7e79d384df8b0"></a> 171<h2 class="memtitle"><span class="permalink"><a href="#ab168fa663e74cc973af7e79d384df8b0">◆ </a></span>tinysha_init()</h2> 172 173<div class="memitem"> 174<div class="memproto"> 175 <table class="memname"> 176 <tr> 177 <td class="memname">void tinysha_init </td> 178 <td>(</td> 179 <td class="paramtype"><a class="el" href="group___epid_types.html#ga5e450438f6f9a5eacd0cf5ce354ec890">HashAlg</a> </td> 180 <td class="paramname"><em>sha_type</em>, </td> 181 </tr> 182 <tr> 183 <td class="paramkey"></td> 184 <td></td> 185 <td class="paramtype"><a class="el" href="structtiny__sha.html">tiny_sha</a> * </td> 186 <td class="paramname"><em>s</em> </td> 187 </tr> 188 <tr> 189 <td></td> 190 <td>)</td> 191 <td></td><td></td> 192 </tr> 193 </table> 194</div><div class="memdoc"> 195 196<p>Initializes the hash state. </p> 197<dl class="params"><dt>Parameters</dt><dd> 198 <table class="params"> 199 <tr><td class="paramdir">[in]</td><td class="paramname">sha_type</td><td>Type of hash algorithm</td></tr> 200 <tr><td class="paramdir">[in,out]</td><td class="paramname">s</td><td>The hash state to initialize. </td></tr> 201 </table> 202 </dd> 203</dl> 204 205</div> 206</div> 207<a id="a9844075a9ccf12e56f6a07d86b49c98d"></a> 208<h2 class="memtitle"><span class="permalink"><a href="#a9844075a9ccf12e56f6a07d86b49c98d">◆ </a></span>tinysha_update()</h2> 209 210<div class="memitem"> 211<div class="memproto"> 212 <table class="memname"> 213 <tr> 214 <td class="memname">void tinysha_update </td> 215 <td>(</td> 216 <td class="paramtype"><a class="el" href="structtiny__sha.html">tiny_sha</a> * </td> 217 <td class="paramname"><em>s</em>, </td> 218 </tr> 219 <tr> 220 <td class="paramkey"></td> 221 <td></td> 222 <td class="paramtype">void const * </td> 223 <td class="paramname"><em>data</em>, </td> 224 </tr> 225 <tr> 226 <td class="paramkey"></td> 227 <td></td> 228 <td class="paramtype">size_t </td> 229 <td class="paramname"><em>data_length</em> </td> 230 </tr> 231 <tr> 232 <td></td> 233 <td>)</td> 234 <td></td><td></td> 235 </tr> 236 </table> 237</div><div class="memdoc"> 238 239<p>Hashes data into state using a chosen hash algorithm. </p> 240<dl class="params"><dt>Parameters</dt><dd> 241 <table class="params"> 242 <tr><td class="paramdir">[in,out]</td><td class="paramname">s</td><td>The hash state. Must be non-null or behavior is undefined.</td></tr> 243 <tr><td class="paramdir">[in]</td><td class="paramname">data</td><td>The data to hash into s.</td></tr> 244 <tr><td class="paramdir">[in]</td><td class="paramname">data_length</td><td>The size of data in bytes. </td></tr> 245 </table> 246 </dd> 247</dl> 248 249</div> 250</div> 251</div><!-- contents --> 252</div><!-- doc-content --> 253<!-- HTML footer for doxygen 1.8.10--> 254<!-- start footer part --> 255<div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> 256 <ul> 257 <li class="navelem"><a class="el" href="dir_12b90d9c027aaf878a834df729679a56.html">epid</a></li><li class="navelem"><a class="el" href="dir_512d3e62841a8535b716ec4cf8b9e950.html">member</a></li><li class="navelem"><a class="el" href="dir_ea12d375fc1eb79df248c0adf953af4f.html">tiny</a></li><li class="navelem"><a class="el" href="dir_5f2fc2cf41db41de2b55e03ffa7a1d16.html">math</a></li><li class="navelem"><a class="el" href="hashwrap_8h.html">hashwrap.h</a></li> 258 <li class="footer"> 259 © 2016-2017 Intel Corporation 260 </li> 261 </ul> 262</div> 263</body> 264</html> 265