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<li class="navelem"><a class="el" href="dir_6a9bbd12bf4e19a18c45e270f8fae3fd.html">include</a></li><li class="navelem"><a class="el" href="dir_04272d44da4745cf8b8bfc767d6c6523.html">polarssl</a></li> </ul>
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<div class="title">des.h</div> </div>
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<a href="des_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#ifndef POLARSSL_DES_H</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"></span><span class="preprocessor">#define POLARSSL_DES_H</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#if !defined(POLARSSL_CONFIG_FILE)</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="config_8h.html">config.h</a>"</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span><span class="preprocessor">#include POLARSSL_CONFIG_FILE</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <string.h></span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#if defined(_MSC_VER) && !defined(EFIX64) && !defined(EFI32)</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"></span><span class="preprocessor">#include <basetsd.h></span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">typedef</span> UINT32 uint32_t;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor"></span><span class="preprocessor">#include <inttypes.h></span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="des_8h.html#a89730e026cc6082480f070985e91e8aa"> 45</a></span> <span class="preprocessor">#define DES_ENCRYPT 1</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="des_8h.html#a7ca3b464dc9e6cabf82f636101b6e133"> 46</a></span> <span class="preprocessor"></span><span class="preprocessor">#define DES_DECRYPT 0</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="des_8h.html#abd97773a4916e7ba50ad66dc77719bac"> 48</a></span> <span class="preprocessor">#define POLARSSL_ERR_DES_INVALID_INPUT_LENGTH -0x0032 </span></div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="des_8h.html#a8bf6267292365ce38e20d505445a361b"> 50</a></span> <span class="preprocessor">#define DES_KEY_SIZE 8</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#if !defined(POLARSSL_DES_ALT)</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor"></span><span class="comment">// Regular implementation</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment">//</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="structdes__context.html"> 63</a></span> <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> {</div>
<div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="structdes__context.html#ad74deaba449f48518e3610d89bc04bbd"> 65</a></span>  <span class="keywordtype">int</span> <a class="code" href="structdes__context.html#ad74deaba449f48518e3610d89bc04bbd">mode</a>; </div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="structdes__context.html#aba17abb1c23bcf34a25ce68be66138f2"> 66</a></span>  uint32_t sk[32]; </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> }</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <a class="code" href="structdes__context.html">des_context</a>;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="structdes3__context.html"> 73</a></span> <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> {</div>
<div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="structdes3__context.html#a609e7e53195aded2a1fd72201322becf"> 75</a></span>  <span class="keywordtype">int</span> <a class="code" href="structdes3__context.html#a609e7e53195aded2a1fd72201322becf">mode</a>; </div>
<div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="structdes3__context.html#a83d57cbd9abf81f62b2662ca47262006"> 76</a></span>  uint32_t sk[96]; </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> }</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <a class="code" href="structdes3__context.html">des3_context</a>;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="keywordtype">void</span> <a class="code" href="des_8h.html#a1ed09f7f6da53be335a13839b8036e61">des_init</a>( <a class="code" href="structdes__context.html">des_context</a> *ctx );</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="keywordtype">void</span> <a class="code" href="des_8h.html#ae8d8b3cc4fc59ef7b59a2392c988fc30">des_free</a>( <a class="code" href="structdes__context.html">des_context</a> *ctx );</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keywordtype">void</span> <a class="code" href="des_8h.html#a4d351cc3a7e07b759d74044d09b44ca3">des3_init</a>( <a class="code" href="structdes3__context.html">des3_context</a> *ctx );</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keywordtype">void</span> <a class="code" href="des_8h.html#aa2df5205d7bdcd9b3a9a3f721195ceeb">des3_free</a>( <a class="code" href="structdes3__context.html">des3_context</a> *ctx );</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="keywordtype">void</span> <a class="code" href="des_8h.html#aeeb6460f4809428528e32fd5a01f7932">des_key_set_parity</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> key[<a class="code" href="des_8h.html#a8bf6267292365ce38e20d505445a361b">DES_KEY_SIZE</a>] );</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="keywordtype">int</span> <a class="code" href="des_8h.html#af089610af0a75467372238e33180adb1">des_key_check_key_parity</a>( <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> key[<a class="code" href="des_8h.html#a8bf6267292365ce38e20d505445a361b">DES_KEY_SIZE</a>] );</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="keywordtype">int</span> <a class="code" href="des_8h.html#adb48a3e7b81245c576a91e854e9a6db6">des_key_check_weak</a>( <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> key[<a class="code" href="des_8h.html#a8bf6267292365ce38e20d505445a361b">DES_KEY_SIZE</a>] );</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="keywordtype">int</span> <a class="code" href="des_8h.html#a1b22cb44f55c6d017fa13cf2d0fc7f9b">des_setkey_enc</a>( <a class="code" href="structdes__context.html">des_context</a> *ctx, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> key[<a class="code" href="des_8h.html#a8bf6267292365ce38e20d505445a361b">DES_KEY_SIZE</a>] );</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="keywordtype">int</span> <a class="code" href="des_8h.html#ab300e183176d3e3b21af9452c75acb85">des_setkey_dec</a>( <a class="code" href="structdes__context.html">des_context</a> *ctx, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> key[<a class="code" href="des_8h.html#a8bf6267292365ce38e20d505445a361b">DES_KEY_SIZE</a>] );</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="keywordtype">int</span> <a class="code" href="des_8h.html#a2d2c76bae67d37111bf9f5e6c4eaf4b6">des3_set2key_enc</a>( <a class="code" href="structdes3__context.html">des3_context</a> *ctx,</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> key[<a class="code" href="des_8h.html#a8bf6267292365ce38e20d505445a361b">DES_KEY_SIZE</a> * 2] );</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="keywordtype">int</span> <a class="code" href="des_8h.html#aaa06aa58db669053ecc488b47fca5a9d">des3_set2key_dec</a>( <a class="code" href="structdes3__context.html">des3_context</a> *ctx,</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> key[<a class="code" href="des_8h.html#a8bf6267292365ce38e20d505445a361b">DES_KEY_SIZE</a> * 2] );</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="keywordtype">int</span> <a class="code" href="des_8h.html#a9e2e59abedd7f5ce8f35cdd210367a61">des3_set3key_enc</a>( <a class="code" href="structdes3__context.html">des3_context</a> *ctx,</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> key[<a class="code" href="des_8h.html#a8bf6267292365ce38e20d505445a361b">DES_KEY_SIZE</a> * 3] );</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="keywordtype">int</span> <a class="code" href="des_8h.html#a563cfb88d2dbd782e9ddeae473747877">des3_set3key_dec</a>( <a class="code" href="structdes3__context.html">des3_context</a> *ctx,</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> key[<a class="code" href="des_8h.html#a8bf6267292365ce38e20d505445a361b">DES_KEY_SIZE</a> * 3] );</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="keywordtype">int</span> <a class="code" href="des_8h.html#a92ee6c66c1fd47cd3eba61736d0478b1">des_crypt_ecb</a>( <a class="code" href="structdes__context.html">des_context</a> *ctx,</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> input[8],</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> output[8] );</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="preprocessor">#if defined(POLARSSL_CIPHER_MODE_CBC)</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="keywordtype">int</span> <a class="code" href="des_8h.html#a71a6423b0f22c8f619466c376176cebc">des_crypt_cbc</a>( <a class="code" href="structdes__context.html">des_context</a> *ctx,</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordtype">int</span> mode,</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordtype">size_t</span> length,</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> iv[8],</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output );</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_CIPHER_MODE_CBC */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="keywordtype">int</span> <a class="code" href="des_8h.html#ac404a5ef3c0602cdc31c9e0e74530b0a">des3_crypt_ecb</a>( <a class="code" href="structdes3__context.html">des3_context</a> *ctx,</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> input[8],</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> output[8] );</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> </div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="preprocessor">#if defined(POLARSSL_CIPHER_MODE_CBC)</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="keywordtype">int</span> <a class="code" href="des_8h.html#ab632094bc0183a19d1108bcac3ec2ab2">des3_crypt_cbc</a>( <a class="code" href="structdes3__context.html">des3_context</a> *ctx,</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordtype">int</span> mode,</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordtype">size_t</span> length,</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> iv[8],</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output );</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_CIPHER_MODE_CBC */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="preprocessor">#else </span><span class="comment">/* POLARSSL_DES_ALT */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="preprocessor"></span><span class="preprocessor">#include "des_alt.h"</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_DES_ALT */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="keywordtype">int</span> <a class="code" href="des_8h.html#a2bd2b961a40ca87150e2b9f4f9dc1fb1">des_self_test</a>( <span class="keywordtype">int</span> verbose );</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> </div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="preprocessor">#endif </span><span class="comment">/* des.h */</span><span class="preprocessor"></span></div>
<div class="ttc" id="des_8h_html_a4d351cc3a7e07b759d74044d09b44ca3"><div class="ttname"><a href="des_8h.html#a4d351cc3a7e07b759d74044d09b44ca3">des3_init</a></div><div class="ttdeci">void des3_init(des3_context *ctx)</div><div class="ttdoc">Initialize Triple-DES context. </div></div>
<div class="ttc" id="des_8h_html_a2bd2b961a40ca87150e2b9f4f9dc1fb1"><div class="ttname"><a href="des_8h.html#a2bd2b961a40ca87150e2b9f4f9dc1fb1">des_self_test</a></div><div class="ttdeci">int des_self_test(int verbose)</div><div class="ttdoc">Checkup routine. </div></div>
<div class="ttc" id="des_8h_html_a92ee6c66c1fd47cd3eba61736d0478b1"><div class="ttname"><a href="des_8h.html#a92ee6c66c1fd47cd3eba61736d0478b1">des_crypt_ecb</a></div><div class="ttdeci">int des_crypt_ecb(des_context *ctx, const unsigned char input[8], unsigned char output[8])</div><div class="ttdoc">DES-ECB block encryption/decryption. </div></div>
<div class="ttc" id="structdes3__context_html_a609e7e53195aded2a1fd72201322becf"><div class="ttname"><a href="structdes3__context.html#a609e7e53195aded2a1fd72201322becf">des3_context::mode</a></div><div class="ttdeci">int mode</div><div class="ttdef"><b>Definition:</b> <a href="des_8h_source.html#l00075">des.h:75</a></div></div>
<div class="ttc" id="config_8h_html"><div class="ttname"><a href="config_8h.html">config.h</a></div><div class="ttdoc">Configuration options (set of defines) </div></div>
<div class="ttc" id="structdes__context_html"><div class="ttname"><a href="structdes__context.html">des_context</a></div><div class="ttdoc">DES context structure. </div><div class="ttdef"><b>Definition:</b> <a href="des_8h_source.html#l00063">des.h:63</a></div></div>
<div class="ttc" id="des_8h_html_a9e2e59abedd7f5ce8f35cdd210367a61"><div class="ttname"><a href="des_8h.html#a9e2e59abedd7f5ce8f35cdd210367a61">des3_set3key_enc</a></div><div class="ttdeci">int des3_set3key_enc(des3_context *ctx, const unsigned char key[DES_KEY_SIZE *3])</div><div class="ttdoc">Triple-DES key schedule (168-bit, encryption) </div></div>
<div class="ttc" id="des_8h_html_aa2df5205d7bdcd9b3a9a3f721195ceeb"><div class="ttname"><a href="des_8h.html#aa2df5205d7bdcd9b3a9a3f721195ceeb">des3_free</a></div><div class="ttdeci">void des3_free(des3_context *ctx)</div><div class="ttdoc">Clear Triple-DES context. </div></div>
<div class="ttc" id="des_8h_html_a563cfb88d2dbd782e9ddeae473747877"><div class="ttname"><a href="des_8h.html#a563cfb88d2dbd782e9ddeae473747877">des3_set3key_dec</a></div><div class="ttdeci">int des3_set3key_dec(des3_context *ctx, const unsigned char key[DES_KEY_SIZE *3])</div><div class="ttdoc">Triple-DES key schedule (168-bit, decryption) </div></div>
<div class="ttc" id="structdes3__context_html"><div class="ttname"><a href="structdes3__context.html">des3_context</a></div><div class="ttdoc">Triple-DES context structure. </div><div class="ttdef"><b>Definition:</b> <a href="des_8h_source.html#l00073">des.h:73</a></div></div>
<div class="ttc" id="des_8h_html_a2d2c76bae67d37111bf9f5e6c4eaf4b6"><div class="ttname"><a href="des_8h.html#a2d2c76bae67d37111bf9f5e6c4eaf4b6">des3_set2key_enc</a></div><div class="ttdeci">int des3_set2key_enc(des3_context *ctx, const unsigned char key[DES_KEY_SIZE *2])</div><div class="ttdoc">Triple-DES key schedule (112-bit, encryption) </div></div>
<div class="ttc" id="des_8h_html_a1ed09f7f6da53be335a13839b8036e61"><div class="ttname"><a href="des_8h.html#a1ed09f7f6da53be335a13839b8036e61">des_init</a></div><div class="ttdeci">void des_init(des_context *ctx)</div><div class="ttdoc">Initialize DES context. </div></div>
<div class="ttc" id="des_8h_html_aeeb6460f4809428528e32fd5a01f7932"><div class="ttname"><a href="des_8h.html#aeeb6460f4809428528e32fd5a01f7932">des_key_set_parity</a></div><div class="ttdeci">void des_key_set_parity(unsigned char key[DES_KEY_SIZE])</div><div class="ttdoc">Set key parity on the given key to odd. </div></div>
<div class="ttc" id="des_8h_html_ae8d8b3cc4fc59ef7b59a2392c988fc30"><div class="ttname"><a href="des_8h.html#ae8d8b3cc4fc59ef7b59a2392c988fc30">des_free</a></div><div class="ttdeci">void des_free(des_context *ctx)</div><div class="ttdoc">Clear DES context. </div></div>
<div class="ttc" id="des_8h_html_a71a6423b0f22c8f619466c376176cebc"><div class="ttname"><a href="des_8h.html#a71a6423b0f22c8f619466c376176cebc">des_crypt_cbc</a></div><div class="ttdeci">int des_crypt_cbc(des_context *ctx, int mode, size_t length, unsigned char iv[8], const unsigned char *input, unsigned char *output)</div><div class="ttdoc">DES-CBC buffer encryption/decryption. </div></div>
<div class="ttc" id="des_8h_html_a1b22cb44f55c6d017fa13cf2d0fc7f9b"><div class="ttname"><a href="des_8h.html#a1b22cb44f55c6d017fa13cf2d0fc7f9b">des_setkey_enc</a></div><div class="ttdeci">int des_setkey_enc(des_context *ctx, const unsigned char key[DES_KEY_SIZE])</div><div class="ttdoc">DES key schedule (56-bit, encryption) </div></div>
<div class="ttc" id="des_8h_html_ab300e183176d3e3b21af9452c75acb85"><div class="ttname"><a href="des_8h.html#ab300e183176d3e3b21af9452c75acb85">des_setkey_dec</a></div><div class="ttdeci">int des_setkey_dec(des_context *ctx, const unsigned char key[DES_KEY_SIZE])</div><div class="ttdoc">DES key schedule (56-bit, decryption) </div></div>
<div class="ttc" id="des_8h_html_ac404a5ef3c0602cdc31c9e0e74530b0a"><div class="ttname"><a href="des_8h.html#ac404a5ef3c0602cdc31c9e0e74530b0a">des3_crypt_ecb</a></div><div class="ttdeci">int des3_crypt_ecb(des3_context *ctx, const unsigned char input[8], unsigned char output[8])</div><div class="ttdoc">3DES-ECB block encryption/decryption </div></div>
<div class="ttc" id="des_8h_html_adb48a3e7b81245c576a91e854e9a6db6"><div class="ttname"><a href="des_8h.html#adb48a3e7b81245c576a91e854e9a6db6">des_key_check_weak</a></div><div class="ttdeci">int des_key_check_weak(const unsigned char key[DES_KEY_SIZE])</div><div class="ttdoc">Check that key is not a weak or semi-weak DES key. </div></div>
<div class="ttc" id="des_8h_html_a8bf6267292365ce38e20d505445a361b"><div class="ttname"><a href="des_8h.html#a8bf6267292365ce38e20d505445a361b">DES_KEY_SIZE</a></div><div class="ttdeci">#define DES_KEY_SIZE</div><div class="ttdef"><b>Definition:</b> <a href="des_8h_source.html#l00050">des.h:50</a></div></div>
<div class="ttc" id="structdes__context_html_ad74deaba449f48518e3610d89bc04bbd"><div class="ttname"><a href="structdes__context.html#ad74deaba449f48518e3610d89bc04bbd">des_context::mode</a></div><div class="ttdeci">int mode</div><div class="ttdef"><b>Definition:</b> <a href="des_8h_source.html#l00065">des.h:65</a></div></div>
<div class="ttc" id="des_8h_html_af089610af0a75467372238e33180adb1"><div class="ttname"><a href="des_8h.html#af089610af0a75467372238e33180adb1">des_key_check_key_parity</a></div><div class="ttdeci">int des_key_check_key_parity(const unsigned char key[DES_KEY_SIZE])</div><div class="ttdoc">Check that key parity on the given key is odd. </div></div>
<div class="ttc" id="des_8h_html_aaa06aa58db669053ecc488b47fca5a9d"><div class="ttname"><a href="des_8h.html#aaa06aa58db669053ecc488b47fca5a9d">des3_set2key_dec</a></div><div class="ttdeci">int des3_set2key_dec(des3_context *ctx, const unsigned char key[DES_KEY_SIZE *2])</div><div class="ttdoc">Triple-DES key schedule (112-bit, decryption) </div></div>
<div class="ttc" id="des_8h_html_ab632094bc0183a19d1108bcac3ec2ab2"><div class="ttname"><a href="des_8h.html#ab632094bc0183a19d1108bcac3ec2ab2">des3_crypt_cbc</a></div><div class="ttdeci">int des3_crypt_cbc(des3_context *ctx, int mode, size_t length, unsigned char iv[8], const unsigned char *input, unsigned char *output)</div><div class="ttdoc">3DES-CBC buffer encryption/decryption </div></div>
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