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<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="l00006"></a><span class="lineno"> 6</span> <span class="comment">/*</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * SPDX-License-Identifier: Apache-2.0</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License"); you may</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * not use this file except in compliance with the License.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * You may obtain a copy of the License at</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * limitations under the License.</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> *</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * This file is part of mbed TLS (https://tls.mbed.org)</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> */</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#ifndef MBEDTLS_BLOWFISH_H</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#define MBEDTLS_BLOWFISH_H</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#if !defined(MBEDTLS_CONFIG_FILE)</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="config_8h.html">config.h</a>"</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include MBEDTLS_CONFIG_FILE</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <stddef.h></span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <stdint.h></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div><div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="blowfish_8h.html#a34aab9bd2b3ee93f1b8d4d61ecca1813"> 36</a></span> <span class="preprocessor">#define MBEDTLS_BLOWFISH_ENCRYPT 1</span></div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="blowfish_8h.html#a6086a94330e2715de55709b211b74660"> 37</a></span> <span class="preprocessor">#define MBEDTLS_BLOWFISH_DECRYPT 0</span></div><div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="blowfish_8h.html#ab9ee76bc99b79ca87442dc0e46c232f5"> 38</a></span> <span class="preprocessor">#define MBEDTLS_BLOWFISH_MAX_KEY_BITS 448</span></div><div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="blowfish_8h.html#ab0c941b14f54f62f35565d96d4c9d592"> 39</a></span> <span class="preprocessor">#define MBEDTLS_BLOWFISH_MIN_KEY_BITS 32</span></div><div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="blowfish_8h.html#a9a9858208f44ea332105fcb68ef93f06"> 40</a></span> <span class="preprocessor">#define MBEDTLS_BLOWFISH_ROUNDS 16 </span></div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="blowfish_8h.html#aeb0e924c896432e403795a34863219db"> 41</a></span> <span class="preprocessor">#define MBEDTLS_BLOWFISH_BLOCKSIZE 8 </span><span class="comment">/* Blowfish uses 64 bit blocks */</span><span class="preprocessor"></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="blowfish_8h.html#ada258472bd81338e8dc2d3361487a51b"> 43</a></span> <span class="preprocessor">#define MBEDTLS_ERR_BLOWFISH_INVALID_KEY_LENGTH -0x0016 </span></div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="blowfish_8h.html#a4cc264219de924221b4490f01d86756f"> 44</a></span> <span class="preprocessor">#define MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED -0x0017 </span></div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="blowfish_8h.html#a279c1b5f0ab064fc6591a3ca324f3830"> 45</a></span> <span class="preprocessor">#define MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH -0x0018 </span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#if !defined(MBEDTLS_BLOWFISH_ALT)</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// Regular implementation</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">//</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="structmbedtls__blowfish__context.html"> 58</a></span> <span class="keyword">typedef</span> <span class="keyword">struct</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> {</div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="structmbedtls__blowfish__context.html#a6797f919a5b195cef17647d3d63ec13f"> 60</a></span>  uint32_t P[<a class="code" href="blowfish_8h.html#a9a9858208f44ea332105fcb68ef93f06">MBEDTLS_BLOWFISH_ROUNDS</a> + 2]; </div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="structmbedtls__blowfish__context.html#ab366ec526d9d5303483ed9c5bbb6a049"> 61</a></span>  uint32_t S[4][256]; </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> }</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <a class="code" href="structmbedtls__blowfish__context.html">mbedtls_blowfish_context</a>;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keywordtype">void</span> <a class="code" href="blowfish_8h.html#ab3f9ff267483076e9c834df5b362ecff">mbedtls_blowfish_init</a>( <a class="code" href="structmbedtls__blowfish__context.html">mbedtls_blowfish_context</a> *ctx );</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="keywordtype">void</span> <a class="code" href="blowfish_8h.html#ac249a721d4a718295311305471d9d80b">mbedtls_blowfish_free</a>( <a class="code" href="structmbedtls__blowfish__context.html">mbedtls_blowfish_context</a> *ctx );</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="keywordtype">int</span> <a class="code" href="blowfish_8h.html#a272e6906daa7083c8020f3311da7fb12">mbedtls_blowfish_setkey</a>( <a class="code" href="structmbedtls__blowfish__context.html">mbedtls_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="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> keybits );</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="keywordtype">int</span> <a class="code" href="blowfish_8h.html#afe15cef6820aa39a999e7268bf6f4c29">mbedtls_blowfish_crypt_ecb</a>( <a class="code" href="structmbedtls__blowfish__context.html">mbedtls_blowfish_context</a> *ctx,</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">int</span> mode,</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> input[<a class="code" href="blowfish_8h.html#aeb0e924c896432e403795a34863219db">MBEDTLS_BLOWFISH_BLOCKSIZE</a>],</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> output[MBEDTLS_BLOWFISH_BLOCKSIZE] );</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor">#if defined(MBEDTLS_CIPHER_MODE_CBC)</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</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#a24f95511214b38914090036938cbc045">mbedtls_blowfish_crypt_cbc</a>( <a class="code" href="structmbedtls__blowfish__context.html">mbedtls_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#aeb0e924c896432e403795a34863219db">MBEDTLS_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">/* MBEDTLS_CIPHER_MODE_CBC */</span><span class="preprocessor"></span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="preprocessor">#if defined(MBEDTLS_CIPHER_MODE_CFB)</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="keywordtype">int</span> <a class="code" href="blowfish_8h.html#af3996e5bb50864497b0c7349819ffd12">mbedtls_blowfish_crypt_cfb64</a>( <a class="code" href="structmbedtls__blowfish__context.html">mbedtls_blowfish_context</a> *ctx,</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordtype">int</span> mode,</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordtype">size_t</span> length,</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordtype">size_t</span> *iv_off,</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> iv[<a class="code" href="blowfish_8h.html#aeb0e924c896432e403795a34863219db">MBEDTLS_BLOWFISH_BLOCKSIZE</a>],</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output );</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="preprocessor">#endif </span><span class="comment">/*MBEDTLS_CIPHER_MODE_CFB */</span><span class="preprocessor"></span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="preprocessor">#if defined(MBEDTLS_CIPHER_MODE_CTR)</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="keywordtype">int</span> <a class="code" href="blowfish_8h.html#a7d1688bf5fb906fdbad101e08bc8bf85">mbedtls_blowfish_crypt_ctr</a>( <a class="code" href="structmbedtls__blowfish__context.html">mbedtls_blowfish_context</a> *ctx,</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordtype">size_t</span> length,</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordtype">size_t</span> *nc_off,</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> nonce_counter[<a class="code" href="blowfish_8h.html#aeb0e924c896432e403795a34863219db">MBEDTLS_BLOWFISH_BLOCKSIZE</a>],</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> stream_block[MBEDTLS_BLOWFISH_BLOCKSIZE],</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output );</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="preprocessor">#endif </span><span class="comment">/* MBEDTLS_CIPHER_MODE_CTR */</span><span class="preprocessor"></span></div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> }</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="preprocessor">#else </span><span class="comment">/* MBEDTLS_BLOWFISH_ALT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="preprocessor">#include "blowfish_alt.h"</span></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="preprocessor">#endif </span><span class="comment">/* MBEDTLS_BLOWFISH_ALT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="preprocessor">#endif </span><span class="comment">/* blowfish.h */</span><span class="preprocessor"></span></div><div class="ttc" id="blowfish_8h_html_aeb0e924c896432e403795a34863219db"><div class="ttname"><a href="blowfish_8h.html#aeb0e924c896432e403795a34863219db">MBEDTLS_BLOWFISH_BLOCKSIZE</a></div><div class="ttdeci">#define MBEDTLS_BLOWFISH_BLOCKSIZE</div><div class="ttdef"><b>Definition:</b> <a href="blowfish_8h_source.html#l00041">blowfish.h:41</a></div></div>
<div class="ttc" id="blowfish_8h_html_a7d1688bf5fb906fdbad101e08bc8bf85"><div class="ttname"><a href="blowfish_8h.html#a7d1688bf5fb906fdbad101e08bc8bf85">mbedtls_blowfish_crypt_ctr</a></div><div class="ttdeci">int mbedtls_blowfish_crypt_ctr(mbedtls_blowfish_context *ctx, size_t length, size_t *nc_off, unsigned char nonce_counter[MBEDTLS_BLOWFISH_BLOCKSIZE], unsigned char stream_block[MBEDTLS_BLOWFISH_BLOCKSIZE], const unsigned char *input, unsigned char *output)</div><div class="ttdoc">Blowfish-CTR buffer encryption/decryption. </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="structmbedtls__blowfish__context_html"><div class="ttname"><a href="structmbedtls__blowfish__context.html">mbedtls_blowfish_context</a></div><div class="ttdoc">Blowfish context structure. </div><div class="ttdef"><b>Definition:</b> <a href="blowfish_8h_source.html#l00058">blowfish.h:58</a></div></div>
<div class="ttc" id="blowfish_8h_html_ab3f9ff267483076e9c834df5b362ecff"><div class="ttname"><a href="blowfish_8h.html#ab3f9ff267483076e9c834df5b362ecff">mbedtls_blowfish_init</a></div><div class="ttdeci">void mbedtls_blowfish_init(mbedtls_blowfish_context *ctx)</div><div class="ttdoc">Initialize Blowfish context. </div></div>
<div class="ttc" id="blowfish_8h_html_af3996e5bb50864497b0c7349819ffd12"><div class="ttname"><a href="blowfish_8h.html#af3996e5bb50864497b0c7349819ffd12">mbedtls_blowfish_crypt_cfb64</a></div><div class="ttdeci">int mbedtls_blowfish_crypt_cfb64(mbedtls_blowfish_context *ctx, int mode, size_t length, size_t *iv_off, unsigned char iv[MBEDTLS_BLOWFISH_BLOCKSIZE], const unsigned char *input, unsigned char *output)</div><div class="ttdoc">Blowfish CFB buffer encryption/decryption. </div></div>
<div class="ttc" id="blowfish_8h_html_a24f95511214b38914090036938cbc045"><div class="ttname"><a href="blowfish_8h.html#a24f95511214b38914090036938cbc045">mbedtls_blowfish_crypt_cbc</a></div><div class="ttdeci">int mbedtls_blowfish_crypt_cbc(mbedtls_blowfish_context *ctx, int mode, size_t length, unsigned char iv[MBEDTLS_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 class="ttc" id="blowfish_8h_html_afe15cef6820aa39a999e7268bf6f4c29"><div class="ttname"><a href="blowfish_8h.html#afe15cef6820aa39a999e7268bf6f4c29">mbedtls_blowfish_crypt_ecb</a></div><div class="ttdeci">int mbedtls_blowfish_crypt_ecb(mbedtls_blowfish_context *ctx, int mode, const unsigned char input[MBEDTLS_BLOWFISH_BLOCKSIZE], unsigned char output[MBEDTLS_BLOWFISH_BLOCKSIZE])</div><div class="ttdoc">Blowfish-ECB block encryption/decryption. </div></div>
<div class="ttc" id="blowfish_8h_html_a272e6906daa7083c8020f3311da7fb12"><div class="ttname"><a href="blowfish_8h.html#a272e6906daa7083c8020f3311da7fb12">mbedtls_blowfish_setkey</a></div><div class="ttdeci">int mbedtls_blowfish_setkey(mbedtls_blowfish_context *ctx, const unsigned char *key, unsigned int keybits)</div><div class="ttdoc">Blowfish key schedule. </div></div>
<div class="ttc" id="blowfish_8h_html_a9a9858208f44ea332105fcb68ef93f06"><div class="ttname"><a href="blowfish_8h.html#a9a9858208f44ea332105fcb68ef93f06">MBEDTLS_BLOWFISH_ROUNDS</a></div><div class="ttdeci">#define MBEDTLS_BLOWFISH_ROUNDS</div><div class="ttdef"><b>Definition:</b> <a href="blowfish_8h_source.html#l00040">blowfish.h:40</a></div></div>
<div class="ttc" id="blowfish_8h_html_ac249a721d4a718295311305471d9d80b"><div class="ttname"><a href="blowfish_8h.html#ac249a721d4a718295311305471d9d80b">mbedtls_blowfish_free</a></div><div class="ttdeci">void mbedtls_blowfish_free(mbedtls_blowfish_context *ctx)</div><div class="ttdoc">Clear Blowfish context. </div></div>
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