<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.5"/> <title>PolarSSL v1.3.8: blowfish.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">PolarSSL v1.3.8 </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.5 --> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>Globals</span></a></li> </ul> </div> <div id="nav-path" class="navpath"> <ul> <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> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">blowfish.h</div> </div> </div><!--header--> <div class="contents"> <a href="blowfish_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_BLOWFISH_H</span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"></span><span class="preprocessor">#define POLARSSL_BLOWFISH_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="blowfish_8h.html#a08181b24dc6716d2ce995653d1bf9263"> 45</a></span> <span class="preprocessor">#define BLOWFISH_ENCRYPT 1</span></div> <div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="blowfish_8h.html#aef79827b2885cff8b753e01521552942"> 46</a></span> <span class="preprocessor"></span><span class="preprocessor">#define BLOWFISH_DECRYPT 0</span></div> <div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="blowfish_8h.html#a9b3eef52032f51fd010a59d1265e644c"> 47</a></span> <span class="preprocessor"></span><span class="preprocessor">#define BLOWFISH_MAX_KEY 448</span></div> <div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="blowfish_8h.html#a751816537f868b47b91f4c1f448dc2ea"> 48</a></span> <span class="preprocessor"></span><span class="preprocessor">#define BLOWFISH_MIN_KEY 32</span></div> <div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="blowfish_8h.html#a4dd158a68247e4a094f9bb607c62b131"> 49</a></span> <span class="preprocessor"></span><span class="preprocessor">#define BLOWFISH_ROUNDS 16 </span></div> <div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="blowfish_8h.html#a47a29de4f2d383c17ca87cf34b05f047"> 50</a></span> <span class="preprocessor">#define BLOWFISH_BLOCKSIZE 8 </span><span class="comment">/* Blowfish uses 64 bit blocks */</span><span class="preprocessor"></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"><a class="line" href="blowfish_8h.html#a56226b271b174aba0746c23d2d085a74"> 52</a></span> <span class="preprocessor">#define POLARSSL_ERR_BLOWFISH_INVALID_KEY_LENGTH -0x0016 </span></div> <div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="blowfish_8h.html#a776d91162e4c250f4b2625884e52a54f"> 53</a></span> <span class="preprocessor">#define POLARSSL_ERR_BLOWFISH_INVALID_INPUT_LENGTH -0x0018 </span></div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#if !defined(POLARSSL_BLOWFISH_ALT)</span></div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"></span><span class="comment">// Regular implementation</span></div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment">//</span></div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#ifdef __cplusplus</span></div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="structblowfish__context.html"> 66</a></span> <span class="keyword">typedef</span> <span class="keyword">struct</span></div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> {</div> <div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="structblowfish__context.html#ac79b3ea478f73dc67ee9e09a0063a1f8"> 68</a></span>  uint32_t P[<a class="code" href="blowfish_8h.html#a4dd158a68247e4a094f9bb607c62b131">BLOWFISH_ROUNDS</a> + 2]; </div> <div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="structblowfish__context.html#a756527a2ba922b7ab2473eb92e5a49a2"> 69</a></span>  uint32_t S[4][256]; </div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> }</div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <a class="code" href="structblowfish__context.html">blowfish_context</a>;</div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keywordtype">void</span> <a class="code" href="blowfish_8h.html#af97e2fe5fa79c336f33f573006bcf23e">blowfish_init</a>( <a class="code" href="structblowfish__context.html">blowfish_context</a> *ctx );</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="blowfish_8h.html#ad4f7ffde27526e44160d7639bb785f81">blowfish_free</a>( <a class="code" href="structblowfish__context.html">blowfish_context</a> *ctx );</div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="keywordtype">int</span> <a class="code" href="blowfish_8h.html#a10858d333b6306cbbc87831dab3c50ec">blowfish_setkey</a>( <a class="code" href="structblowfish__context.html">blowfish_context</a> *ctx, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *key,</div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> keysize );</div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="keywordtype">int</span> <a class="code" href="blowfish_8h.html#a5400eb552a86b1235831a131a779b7e3">blowfish_crypt_ecb</a>( <a class="code" href="structblowfish__context.html">blowfish_context</a> *ctx,</div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordtype">int</span> mode,</div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> input[<a class="code" href="blowfish_8h.html#a47a29de4f2d383c17ca87cf34b05f047">BLOWFISH_BLOCKSIZE</a>],</div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> output[BLOWFISH_BLOCKSIZE] );</div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor">#if defined(POLARSSL_CIPHER_MODE_CBC)</span></div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="keywordtype">int</span> <a class="code" href="blowfish_8h.html#a6582d23a9993d784761182c32426ea18">blowfish_crypt_cbc</a>( <a class="code" href="structblowfish__context.html">blowfish_context</a> *ctx,</div> <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">int</span> mode,</div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">size_t</span> length,</div> <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> iv[<a class="code" href="blowfish_8h.html#a47a29de4f2d383c17ca87cf34b05f047">BLOWFISH_BLOCKSIZE</a>],</div> <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output );</div> <div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_CIPHER_MODE_CBC */</span><span class="preprocessor"></span></div> <div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="preprocessor">#if defined(POLARSSL_CIPHER_MODE_CFB)</span></div> <div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="keywordtype">int</span> <a class="code" href="blowfish_8h.html#a63ca1aaffb247a5c5f4a51c39cd78264">blowfish_crypt_cfb64</a>( <a class="code" href="structblowfish__context.html">blowfish_context</a> *ctx,</div> <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordtype">int</span> mode,</div> <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordtype">size_t</span> length,</div> <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordtype">size_t</span> *iv_off,</div> <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> iv[<a class="code" href="blowfish_8h.html#a47a29de4f2d383c17ca87cf34b05f047">BLOWFISH_BLOCKSIZE</a>],</div> <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div> <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output );</div> <div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="preprocessor">#endif </span><span class="comment">/*POLARSSL_CIPHER_MODE_CFB */</span><span class="preprocessor"></span></div> <div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor">#if defined(POLARSSL_CIPHER_MODE_CTR)</span></div> <div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="keywordtype">int</span> <a class="code" href="blowfish_8h.html#abf3faecfe5a6800701f4c6951f930743">blowfish_crypt_ctr</a>( <a class="code" href="structblowfish__context.html">blowfish_context</a> *ctx,</div> <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordtype">size_t</span> length,</div> <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordtype">size_t</span> *nc_off,</div> <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> nonce_counter[<a class="code" href="blowfish_8h.html#a47a29de4f2d383c17ca87cf34b05f047">BLOWFISH_BLOCKSIZE</a>],</div> <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> stream_block[BLOWFISH_BLOCKSIZE],</div> <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div> <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output );</div> <div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_CIPHER_MODE_CTR */</span><span class="preprocessor"></span></div> <div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="preprocessor">#ifdef __cplusplus</span></div> <div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="preprocessor"></span>}</div> <div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="preprocessor">#else </span><span class="comment">/* POLARSSL_BLOWFISH_ALT */</span><span class="preprocessor"></span></div> <div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="preprocessor"></span><span class="preprocessor">#include "blowfish_alt.h"</span></div> <div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_BLOWFISH_ALT */</span><span class="preprocessor"></span></div> <div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="preprocessor">#endif </span><span class="comment">/* blowfish.h */</span><span class="preprocessor"></span></div> <div class="ttc" id="blowfish_8h_html_a10858d333b6306cbbc87831dab3c50ec"><div class="ttname"><a href="blowfish_8h.html#a10858d333b6306cbbc87831dab3c50ec">blowfish_setkey</a></div><div class="ttdeci">int blowfish_setkey(blowfish_context *ctx, const unsigned char *key, unsigned int keysize)</div><div class="ttdoc">Blowfish key schedule. </div></div> <div class="ttc" id="blowfish_8h_html_af97e2fe5fa79c336f33f573006bcf23e"><div class="ttname"><a href="blowfish_8h.html#af97e2fe5fa79c336f33f573006bcf23e">blowfish_init</a></div><div class="ttdeci">void blowfish_init(blowfish_context *ctx)</div><div class="ttdoc">Initialize Blowfish context. </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="blowfish_8h_html_ad4f7ffde27526e44160d7639bb785f81"><div class="ttname"><a href="blowfish_8h.html#ad4f7ffde27526e44160d7639bb785f81">blowfish_free</a></div><div class="ttdeci">void blowfish_free(blowfish_context *ctx)</div><div class="ttdoc">Clear Blowfish context. </div></div> <div class="ttc" id="blowfish_8h_html_a5400eb552a86b1235831a131a779b7e3"><div class="ttname"><a href="blowfish_8h.html#a5400eb552a86b1235831a131a779b7e3">blowfish_crypt_ecb</a></div><div class="ttdeci">int blowfish_crypt_ecb(blowfish_context *ctx, int mode, const unsigned char input[BLOWFISH_BLOCKSIZE], unsigned char output[BLOWFISH_BLOCKSIZE])</div><div class="ttdoc">Blowfish-ECB block encryption/decryption. </div></div> <div class="ttc" id="blowfish_8h_html_a4dd158a68247e4a094f9bb607c62b131"><div class="ttname"><a href="blowfish_8h.html#a4dd158a68247e4a094f9bb607c62b131">BLOWFISH_ROUNDS</a></div><div class="ttdeci">#define BLOWFISH_ROUNDS</div><div class="ttdoc">Rounds to use. </div><div class="ttdef"><b>Definition:</b> <a href="blowfish_8h_source.html#l00049">blowfish.h:49</a></div></div> <div class="ttc" id="blowfish_8h_html_a47a29de4f2d383c17ca87cf34b05f047"><div class="ttname"><a href="blowfish_8h.html#a47a29de4f2d383c17ca87cf34b05f047">BLOWFISH_BLOCKSIZE</a></div><div class="ttdeci">#define BLOWFISH_BLOCKSIZE</div><div class="ttdef"><b>Definition:</b> <a href="blowfish_8h_source.html#l00050">blowfish.h:50</a></div></div> <div class="ttc" id="blowfish_8h_html_abf3faecfe5a6800701f4c6951f930743"><div class="ttname"><a href="blowfish_8h.html#abf3faecfe5a6800701f4c6951f930743">blowfish_crypt_ctr</a></div><div class="ttdeci">int blowfish_crypt_ctr(blowfish_context *ctx, size_t length, size_t *nc_off, unsigned char nonce_counter[BLOWFISH_BLOCKSIZE], unsigned char stream_block[BLOWFISH_BLOCKSIZE], const unsigned char *input, unsigned char *output)</div><div class="ttdoc">Blowfish-CTR buffer encryption/decryption. </div></div> <div class="ttc" id="blowfish_8h_html_a63ca1aaffb247a5c5f4a51c39cd78264"><div class="ttname"><a href="blowfish_8h.html#a63ca1aaffb247a5c5f4a51c39cd78264">blowfish_crypt_cfb64</a></div><div class="ttdeci">int blowfish_crypt_cfb64(blowfish_context *ctx, int mode, size_t length, size_t *iv_off, unsigned char iv[BLOWFISH_BLOCKSIZE], const unsigned char *input, unsigned char *output)</div><div class="ttdoc">Blowfish CFB buffer encryption/decryption. </div></div> <div class="ttc" id="structblowfish__context_html"><div class="ttname"><a href="structblowfish__context.html">blowfish_context</a></div><div class="ttdoc">Blowfish context structure. </div><div class="ttdef"><b>Definition:</b> <a href="blowfish_8h_source.html#l00066">blowfish.h:66</a></div></div> <div class="ttc" id="blowfish_8h_html_a6582d23a9993d784761182c32426ea18"><div class="ttname"><a href="blowfish_8h.html#a6582d23a9993d784761182c32426ea18">blowfish_crypt_cbc</a></div><div class="ttdeci">int blowfish_crypt_cbc(blowfish_context *ctx, int mode, size_t length, unsigned char iv[BLOWFISH_BLOCKSIZE], const unsigned char *input, unsigned char *output)</div><div class="ttdoc">Blowfish-CBC buffer encryption/decryption Length should be a multiple of the block size (8 bytes) ...</div></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated on Thu Jul 31 2014 11:35:51 for PolarSSL v1.3.8 by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.5 </small></address> </body> </html>