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 <span id="projectnumber">1.9.3p551(2014-11-13revision48407)</span>
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<li class="navelem"><a class="el" href="../../dir_31cedd4509e06940f559c1ca2f722e02.html">ext</a></li><li class="navelem"><a class="el" href="../../dir_8462c367d9e69a7809faa14633ccfafa.html">digest</a></li><li class="navelem"><a class="el" href="../../dir_a9cf865355561749cfedd2e562ceb3d4.html">sha2</a></li> </ul>
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<a href="../../df/dfd/sha2init_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* $RoughId: sha2init.c,v 1.3 2001/07/13 20:00:43 knu Exp $ */</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/* $Id: sha2init.c 26745 2010-02-24 00:31:37Z nobu $ */</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> </div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include "<a class="code" href="../../d9/d46/digest_8h.html">digest.h</a>"</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#if defined(SHA2_USE_OPENSSL)</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include "<a class="code" href="../../db/d87/sha2ossl_8h.html">sha2ossl.h</a>"</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "<a class="code" href="../../db/d4d/sha2_8h.html">sha2.h</a>"</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"><a class="line" href="../../df/dfd/sha2init_8c.html#af2271c157cf91b2178fa993ed361e439"> 11</a></span> <span class="preprocessor">#define FOREACH_BITLEN(func) func(256) func(384) func(512)</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"><a class="line" href="../../df/dfd/sha2init_8c.html#a43c20f7ff6caf3780d0586d855b1cc86"> 13</a></span> <span class="preprocessor">#define DEFINE_ALGO_METADATA(bitlen) \</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">static const rb_digest_metadata_t sha##bitlen = { \</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor"> RUBY_DIGEST_API_VERSION, \</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor"> SHA##bitlen##_DIGEST_LENGTH, \</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor"> SHA##bitlen##_BLOCK_LENGTH, \</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"> sizeof(SHA##bitlen##_CTX), \</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor"> (rb_digest_hash_init_func_t)SHA##bitlen##_Init, \</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor"> (rb_digest_hash_update_func_t)SHA##bitlen##_Update, \</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"> (rb_digest_hash_finish_func_t)SHA##bitlen##_Finish, \</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">};</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <a class="code" href="../../df/dfd/sha2init_8c.html#af2271c157cf91b2178fa993ed361e439">FOREACH_BITLEN</a>(<a class="code" href="../../df/dfd/sha2init_8c.html#a43c20f7ff6caf3780d0586d855b1cc86">DEFINE_ALGO_METADATA</a>)</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">/*</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * Classes for calculating message digests using the SHA-256/384/512</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * Secure Hash Algorithm(s) by NIST (the US' National Institute of</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * Standards and Technology), described in FIPS PUB 180-2.</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> */</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="../../df/dfd/sha2init_8c.html#a37308823462fd29d2bbeef2695c2b1cc"> 32</a></span> <a class="code" href="../../df/dfd/sha2init_8c.html#a37308823462fd29d2bbeef2695c2b1cc">Init_sha2</a>()</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <a class="code" href="../../de/de6/ruby_2ruby_8h.html#a3c1d4bfc6a81af60bdcb48744c35f760">VALUE</a> mDigest, cDigest_Base;</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <a class="code" href="../../de/de6/ruby_2ruby_8h.html#afa5b9137f051ac26d7ccc8824f178233">ID</a> <a class="code" href="../../d7/d03/digest_8c.html#ae2e62eff5f52bfe344e413270aca575c">id_metadata</a>;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#define DECLARE_ALGO_CLASS(bitlen) \</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor"> VALUE cDigest_SHA##bitlen;</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="../../df/dfd/sha2init_8c.html#af2271c157cf91b2178fa993ed361e439">FOREACH_BITLEN</a>(<a class="code" href="../../df/dfd/sha2init_8c.html#afe22048fe83e446f15a37c8c47f79e1e">DECLARE_ALGO_CLASS</a>)</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <a class="code" href="../../de/de6/ruby_2ruby_8h.html#a9f4acbcae9f1821d167c69e5c429bc1b">rb_require</a>(<span class="stringliteral">"digest"</span>);</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a class="code" href="../../d7/d03/digest_8c.html#ae2e62eff5f52bfe344e413270aca575c">id_metadata</a> = <a class="code" href="../../dc/dcc/array_8c.html#a9cfa42d4b79c89d68c53be8b2150a503">rb_intern</a>(<span class="stringliteral">"metadata"</span>);</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  mDigest = <a class="code" href="../../db/d2e/intern_8h.html#a28a7241d8742ac74f2a914c222c8efc9">rb_path2class</a>(<span class="stringliteral">"Digest"</span>);</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  cDigest_Base = <a class="code" href="../../db/d2e/intern_8h.html#a28a7241d8742ac74f2a914c222c8efc9">rb_path2class</a>(<span class="stringliteral">"Digest::Base"</span>);</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#define DEFINE_ALGO_CLASS(bitlen) \</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor"> cDigest_SHA##bitlen = rb_define_class_under(mDigest, "SHA" #bitlen, cDigest_Base); \</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"> rb_ivar_set(cDigest_SHA##bitlen, id_metadata, \</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor"> Data_Wrap_Struct(rb_cObject, 0, 0, (void *)&sha##bitlen));</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="../../df/dfd/sha2init_8c.html#af2271c157cf91b2178fa993ed361e439">FOREACH_BITLEN</a>(<a class="code" href="../../df/dfd/sha2init_8c.html#afb9434207eb2cbe1f3e9107fe02ae06d">DEFINE_ALGO_CLASS</a>)</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> }</div><div class="ttc" id="sha2init_8c_html_a43c20f7ff6caf3780d0586d855b1cc86"><div class="ttname"><a href="../../df/dfd/sha2init_8c.html#a43c20f7ff6caf3780d0586d855b1cc86">DEFINE_ALGO_METADATA</a></div><div class="ttdeci">#define DEFINE_ALGO_METADATA(bitlen)</div><div class="ttdef"><b>Definition:</b> <a href="../../df/dfd/sha2init_8c_source.html#l00013">sha2init.c:13</a></div></div>
<div class="ttc" id="digest_8h_html"><div class="ttname"><a href="../../d9/d46/digest_8h.html">digest.h</a></div></div>
<div class="ttc" id="sha2ossl_8h_html"><div class="ttname"><a href="../../db/d87/sha2ossl_8h.html">sha2ossl.h</a></div></div>
<div class="ttc" id="intern_8h_html_a28a7241d8742ac74f2a914c222c8efc9"><div class="ttname"><a href="../../db/d2e/intern_8h.html#a28a7241d8742ac74f2a914c222c8efc9">rb_path2class</a></div><div class="ttdeci">VALUE rb_path2class(const char *)</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d2a/variable_8c_source.html#l00293">variable.c:293</a></div></div>
<div class="ttc" id="ruby_2ruby_8h_html_a9f4acbcae9f1821d167c69e5c429bc1b"><div class="ttname"><a href="../../de/de6/ruby_2ruby_8h.html#a9f4acbcae9f1821d167c69e5c429bc1b">rb_require</a></div><div class="ttdeci">VALUE rb_require(const char *)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/dd4/load_8c_source.html#l00652">load.c:652</a></div></div>
<div class="ttc" id="sha2init_8c_html_a37308823462fd29d2bbeef2695c2b1cc"><div class="ttname"><a href="../../df/dfd/sha2init_8c.html#a37308823462fd29d2bbeef2695c2b1cc">Init_sha2</a></div><div class="ttdeci">void Init_sha2()</div><div class="ttdef"><b>Definition:</b> <a href="../../df/dfd/sha2init_8c_source.html#l00032">sha2init.c:32</a></div></div>
<div class="ttc" id="sha2init_8c_html_afb9434207eb2cbe1f3e9107fe02ae06d"><div class="ttname"><a href="../../df/dfd/sha2init_8c.html#afb9434207eb2cbe1f3e9107fe02ae06d">DEFINE_ALGO_CLASS</a></div><div class="ttdeci">#define DEFINE_ALGO_CLASS(bitlen)</div></div>
<div class="ttc" id="sha2_8h_html"><div class="ttname"><a href="../../db/d4d/sha2_8h.html">sha2.h</a></div></div>
<div class="ttc" id="sha2init_8c_html_afe22048fe83e446f15a37c8c47f79e1e"><div class="ttname"><a href="../../df/dfd/sha2init_8c.html#afe22048fe83e446f15a37c8c47f79e1e">DECLARE_ALGO_CLASS</a></div><div class="ttdeci">#define DECLARE_ALGO_CLASS(bitlen)</div></div>
<div class="ttc" id="ruby_2ruby_8h_html_afa5b9137f051ac26d7ccc8824f178233"><div class="ttname"><a href="../../de/de6/ruby_2ruby_8h.html#afa5b9137f051ac26d7ccc8824f178233">ID</a></div><div class="ttdeci">unsigned long ID</div><div class="ttdef"><b>Definition:</b> <a href="../../de/de6/ruby_2ruby_8h_source.html#l00089">ruby.h:89</a></div></div>
<div class="ttc" id="ruby_2ruby_8h_html_a3c1d4bfc6a81af60bdcb48744c35f760"><div class="ttname"><a href="../../de/de6/ruby_2ruby_8h.html#a3c1d4bfc6a81af60bdcb48744c35f760">VALUE</a></div><div class="ttdeci">unsigned long VALUE</div><div class="ttdef"><b>Definition:</b> <a href="../../de/de6/ruby_2ruby_8h_source.html#l00088">ruby.h:88</a></div></div>
<div class="ttc" id="digest_8c_html_ae2e62eff5f52bfe344e413270aca575c"><div class="ttname"><a href="../../d7/d03/digest_8c.html#ae2e62eff5f52bfe344e413270aca575c">id_metadata</a></div><div class="ttdeci">static ID id_metadata</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d03/digest_8c_source.html#l00024">digest.c:24</a></div></div>
<div class="ttc" id="array_8c_html_a9cfa42d4b79c89d68c53be8b2150a503"><div class="ttname"><a href="../../dc/dcc/array_8c.html#a9cfa42d4b79c89d68c53be8b2150a503">rb_intern</a></div><div class="ttdeci">#define rb_intern(str)</div></div>
<div class="ttc" id="sha2init_8c_html_af2271c157cf91b2178fa993ed361e439"><div class="ttname"><a href="../../df/dfd/sha2init_8c.html#af2271c157cf91b2178fa993ed361e439">FOREACH_BITLEN</a></div><div class="ttdeci">#define FOREACH_BITLEN(func)</div><div class="ttdef"><b>Definition:</b> <a href="../../df/dfd/sha2init_8c_source.html#l00011">sha2init.c:11</a></div></div>
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