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<div class="title">sha2.h</div> </div>
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<a href="sha2_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * FILE: sha2.h</span>
<a name="l00003"></a>00003 <span class="comment"> * AUTHOR: Aaron D. Gifford - http://www.aarongifford.com/</span>
<a name="l00004"></a>00004 <span class="comment"> * </span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright (c) 2000-2001, Aaron D. Gifford</span>
<a name="l00006"></a>00006 <span class="comment"> * All rights reserved.</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> * Modified by Jelte Jansen to fit in ldns, and not clash with any</span>
<a name="l00009"></a>00009 <span class="comment"> * system-defined SHA code.</span>
<a name="l00010"></a>00010 <span class="comment"> * Changes:</span>
<a name="l00011"></a>00011 <span class="comment"> * - Renamed (external) functions and constants to fit ldns style</span>
<a name="l00012"></a>00012 <span class="comment"> * - Removed uintXX vs. u_intXX smartness, since ldns needs uintXX</span>
<a name="l00013"></a>00013 <span class="comment"> * anyway</span>
<a name="l00014"></a>00014 <span class="comment"> * - BYTE ORDER check replaced by simple ifdef as defined or not by</span>
<a name="l00015"></a>00015 <span class="comment"> * configure.ac</span>
<a name="l00016"></a>00016 <span class="comment"> * - Removed _End and _Data functions</span>
<a name="l00017"></a>00017 <span class="comment"> * - Added ldns_shaX(data, len, digest) functions</span>
<a name="l00018"></a>00018 <span class="comment"> * </span>
<a name="l00019"></a>00019 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span>
<a name="l00020"></a>00020 <span class="comment"> * modification, are permitted provided that the following conditions</span>
<a name="l00021"></a>00021 <span class="comment"> * are met:</span>
<a name="l00022"></a>00022 <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span>
<a name="l00023"></a>00023 <span class="comment"> * notice, this list of conditions and the following disclaimer.</span>
<a name="l00024"></a>00024 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span>
<a name="l00025"></a>00025 <span class="comment"> * notice, this list of conditions and the following disclaimer in the</span>
<a name="l00026"></a>00026 <span class="comment"> * documentation and/or other materials provided with the distribution.</span>
<a name="l00027"></a>00027 <span class="comment"> * 3. Neither the name of the copyright holder nor the names of contributors</span>
<a name="l00028"></a>00028 <span class="comment"> * may be used to endorse or promote products derived from this software</span>
<a name="l00029"></a>00029 <span class="comment"> * without specific prior written permission.</span>
<a name="l00030"></a>00030 <span class="comment"> * </span>
<a name="l00031"></a>00031 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND</span>
<a name="l00032"></a>00032 <span class="comment"> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span>
<a name="l00033"></a>00033 <span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span>
<a name="l00034"></a>00034 <span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE</span>
<a name="l00035"></a>00035 <span class="comment"> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL</span>
<a name="l00036"></a>00036 <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS</span>
<a name="l00037"></a>00037 <span class="comment"> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)</span>
<a name="l00038"></a>00038 <span class="comment"> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT</span>
<a name="l00039"></a>00039 <span class="comment"> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY</span>
<a name="l00040"></a>00040 <span class="comment"> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF</span>
<a name="l00041"></a>00041 <span class="comment"> * SUCH DAMAGE.</span>
<a name="l00042"></a>00042 <span class="comment"> *</span>
<a name="l00043"></a>00043 <span class="comment"> * $Id: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $</span>
<a name="l00044"></a>00044 <span class="comment"> */</span>
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="preprocessor">#ifndef __LDNS_SHA2_H__</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span><span class="preprocessor">#define __LDNS_SHA2_H__</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span>
<a name="l00049"></a>00049 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00050"></a>00050 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
<a name="l00051"></a>00051 <span class="preprocessor">#endif</span>
<a name="l00052"></a>00052 <span class="preprocessor"></span>
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="comment">/*</span>
<a name="l00055"></a>00055 <span class="comment"> * Import u_intXX_t size_t type definitions from system headers. You</span>
<a name="l00056"></a>00056 <span class="comment"> * may need to change this, or define these things yourself in this</span>
<a name="l00057"></a>00057 <span class="comment"> * file.</span>
<a name="l00058"></a>00058 <span class="comment"> */</span>
<a name="l00059"></a>00059 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00060"></a>00060
<a name="l00061"></a>00061 <span class="preprocessor">#if LDNS_BUILD_CONFIG_HAVE_INTTYPES_H</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span>
<a name="l00063"></a>00063 <span class="preprocessor">#include <inttypes.h></span>
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="preprocessor">#endif </span><span class="comment">/* LDNS_BUILD_CONFIG_HAVE_INTTYPES_H */</span>
<a name="l00066"></a>00066
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="comment">/*** SHA-256/384/512 Various Length Definitions ***********************/</span>
<a name="l00069"></a><a class="code" href="sha2_8h.html#a7c6404b9f43eb361e69034412cf42de8">00069</a> <span class="preprocessor">#define LDNS_SHA256_BLOCK_LENGTH 64</span>
<a name="l00070"></a><a class="code" href="sha2_8h.html#ac16c6fa6913b570cefc43082b682544a">00070</a> <span class="preprocessor"></span><span class="preprocessor">#define LDNS_SHA256_DIGEST_LENGTH 32</span>
<a name="l00071"></a><a class="code" href="sha2_8h.html#ad418ebf6f3b19ecde3f7a092f4d2c0af">00071</a> <span class="preprocessor"></span><span class="preprocessor">#define LDNS_SHA256_DIGEST_STRING_LENGTH (LDNS_SHA256_DIGEST_LENGTH * 2 + 1)</span>
<a name="l00072"></a><a class="code" href="sha2_8h.html#ab6855c361ff1044d01f61faf26099d22">00072</a> <span class="preprocessor"></span><span class="preprocessor">#define LDNS_SHA384_BLOCK_LENGTH 128</span>
<a name="l00073"></a><a class="code" href="sha2_8h.html#ab0512bf849fc2c8d69a2bb630c560151">00073</a> <span class="preprocessor"></span><span class="preprocessor">#define LDNS_SHA384_DIGEST_LENGTH 48</span>
<a name="l00074"></a><a class="code" href="sha2_8h.html#a143f0c53ac464c1d8baf56fa772112a8">00074</a> <span class="preprocessor"></span><span class="preprocessor">#define LDNS_SHA384_DIGEST_STRING_LENGTH (LDNS_SHA384_DIGEST_LENGTH * 2 + 1)</span>
<a name="l00075"></a><a class="code" href="sha2_8h.html#a14689e48f416ecc1938c064d4b6e1fe6">00075</a> <span class="preprocessor"></span><span class="preprocessor">#define LDNS_SHA512_BLOCK_LENGTH 128</span>
<a name="l00076"></a><a class="code" href="sha2_8h.html#a6f2bac73208f59e48a09e4d7db6e960d">00076</a> <span class="preprocessor"></span><span class="preprocessor">#define LDNS_SHA512_DIGEST_LENGTH 64</span>
<a name="l00077"></a><a class="code" href="sha2_8h.html#ae21a3caad8ab4e28b977c2a31980aa17">00077</a> <span class="preprocessor"></span><span class="preprocessor">#define LDNS_SHA512_DIGEST_STRING_LENGTH (LDNS_SHA512_DIGEST_LENGTH * 2 + 1)</span>
<a name="l00078"></a>00078 <span class="preprocessor"></span>
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="comment">/*** SHA-256/384/512 Context Structures *******************************/</span>
<a name="l00081"></a>00081
<a name="l00082"></a><a class="code" href="struct__ldns__sha256__CTX.html">00082</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="struct__ldns__sha256__CTX.html">_ldns_sha256_CTX</a> {
<a name="l00083"></a><a class="code" href="struct__ldns__sha256__CTX.html#a1dc73904c3d74ec1af34b5781f1b641d">00083</a> uint32_t <a class="code" href="struct__ldns__sha256__CTX.html#a1dc73904c3d74ec1af34b5781f1b641d">state</a>[8];
<a name="l00084"></a><a class="code" href="struct__ldns__sha256__CTX.html#a4206a624bd4cf9e8e99627399fd1d0b5">00084</a> uint64_t <a class="code" href="struct__ldns__sha256__CTX.html#a4206a624bd4cf9e8e99627399fd1d0b5">bitcount</a>;
<a name="l00085"></a><a class="code" href="struct__ldns__sha256__CTX.html#a80e25345466a6904985c686a2fa35583">00085</a> uint8_t <a class="code" href="struct__ldns__sha256__CTX.html#a80e25345466a6904985c686a2fa35583">buffer</a>[<a class="code" href="sha2_8h.html#a7c6404b9f43eb361e69034412cf42de8">LDNS_SHA256_BLOCK_LENGTH</a>];
<a name="l00086"></a>00086 } <a class="code" href="sha2_8h.html#a25f85429c9b048e5a17ccab7d54bcfe7">ldns_sha256_CTX</a>;
<a name="l00087"></a><a class="code" href="struct__ldns__sha512__CTX.html">00087</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="struct__ldns__sha512__CTX.html">_ldns_sha512_CTX</a> {
<a name="l00088"></a><a class="code" href="struct__ldns__sha512__CTX.html#a57d7ee93f5bab664478396f86eb03805">00088</a> uint64_t <a class="code" href="struct__ldns__sha512__CTX.html#a57d7ee93f5bab664478396f86eb03805">state</a>[8];
<a name="l00089"></a><a class="code" href="struct__ldns__sha512__CTX.html#aff26561cccdd57baa1e7362dd35f15ae">00089</a> uint64_t <a class="code" href="struct__ldns__sha512__CTX.html#aff26561cccdd57baa1e7362dd35f15ae">bitcount</a>[2];
<a name="l00090"></a><a class="code" href="struct__ldns__sha512__CTX.html#a31366ad9937ae43ae63db0a468e99395">00090</a> uint8_t <a class="code" href="struct__ldns__sha512__CTX.html#a31366ad9937ae43ae63db0a468e99395">buffer</a>[<a class="code" href="sha2_8h.html#a14689e48f416ecc1938c064d4b6e1fe6">LDNS_SHA512_BLOCK_LENGTH</a>];
<a name="l00091"></a>00091 } <a class="code" href="sha2_8h.html#abdf70097baa49f687fe7703932087b88">ldns_sha512_CTX</a>;
<a name="l00092"></a>00092
<a name="l00093"></a><a class="code" href="sha2_8h.html#a0665f76c171a5c8d44e49d668196dcd9">00093</a> <span class="keyword">typedef</span> <a class="code" href="struct__ldns__sha512__CTX.html">ldns_sha512_CTX</a> <a class="code" href="sha2_8h.html#a0665f76c171a5c8d44e49d668196dcd9">ldns_sha384_CTX</a>;
<a name="l00094"></a>00094
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="comment">/*** SHA-256/384/512 Function Prototypes ******************************/</span>
<a name="l00097"></a>00097 <span class="keywordtype">void</span> <a class="code" href="sha2_8c.html#a7247a2faf1bb3e33b9535ebe24d5a78f">ldns_sha256_init</a>(<a class="code" href="struct__ldns__sha256__CTX.html">ldns_sha256_CTX</a> *);
<a name="l00098"></a>00098 <span class="keywordtype">void</span> <a class="code" href="sha2_8c.html#a262db1dfb48ef54e404afd5ea3d0f912">ldns_sha256_update</a>(<a class="code" href="struct__ldns__sha256__CTX.html">ldns_sha256_CTX</a>*, <span class="keyword">const</span> uint8_t*, <span class="keywordtype">size_t</span>);
<a name="l00099"></a>00099 <span class="keywordtype">void</span> <a class="code" href="sha2_8c.html#adb27a52671cc00f00a3eb601deb19070">ldns_sha256_final</a>(uint8_t[<a class="code" href="sha2_8h.html#ac16c6fa6913b570cefc43082b682544a">LDNS_SHA256_DIGEST_LENGTH</a>], <a class="code" href="struct__ldns__sha256__CTX.html">ldns_sha256_CTX</a>*);
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="keywordtype">void</span> <a class="code" href="sha2_8c.html#afde6a224995abcbeca0eae414326e310">ldns_sha384_init</a>(ldns_sha384_CTX*);
<a name="l00102"></a>00102 <span class="keywordtype">void</span> <a class="code" href="sha2_8c.html#a6b9a1c163a057e4c30e8ec1dc283abed">ldns_sha384_update</a>(ldns_sha384_CTX*, <span class="keyword">const</span> uint8_t*, <span class="keywordtype">size_t</span>);
<a name="l00103"></a>00103 <span class="keywordtype">void</span> <a class="code" href="sha2_8c.html#a4ee7d4d8b2edffb19851d2a2c1f9844b">ldns_sha384_final</a>(uint8_t[<a class="code" href="sha2_8h.html#ab0512bf849fc2c8d69a2bb630c560151">LDNS_SHA384_DIGEST_LENGTH</a>], ldns_sha384_CTX*);
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="keywordtype">void</span> <a class="code" href="sha2_8c.html#a38a7d2743cb7a0d4eedfdd835f7b6157">ldns_sha512_init</a>(<a class="code" href="struct__ldns__sha512__CTX.html">ldns_sha512_CTX</a>*);
<a name="l00106"></a>00106 <span class="keywordtype">void</span> <a class="code" href="sha2_8c.html#a8d3c22ce0c1e995b63fc025ce0acd919">ldns_sha512_update</a>(<a class="code" href="struct__ldns__sha512__CTX.html">ldns_sha512_CTX</a>*, <span class="keyword">const</span> uint8_t*, <span class="keywordtype">size_t</span>);
<a name="l00107"></a>00107 <span class="keywordtype">void</span> <a class="code" href="sha2_8c.html#a6222b5f02b5c1222a801be5d6def0340">ldns_sha512_final</a>(uint8_t[<a class="code" href="sha2_8h.html#a6f2bac73208f59e48a09e4d7db6e960d">LDNS_SHA512_DIGEST_LENGTH</a>], <a class="code" href="struct__ldns__sha512__CTX.html">ldns_sha512_CTX</a>*);
<a name="l00108"></a>00108
<a name="l00119"></a>00119 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *<a class="code" href="sha2_8c.html#af8f3852a5a417bc3fe786a477ec86f0f" title="Convenience function to digest a fixed block of data at once.">ldns_sha256</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *data, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> data_len, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *digest);
<a name="l00120"></a>00120
<a name="l00131"></a>00131 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *<a class="code" href="sha2_8c.html#adb96cbe7b4edf0bd1f162613706996e0" title="Convenience function to digest a fixed block of data at once.">ldns_sha384</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *data, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> data_len, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *digest);
<a name="l00132"></a>00132
<a name="l00143"></a>00143 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *<a class="code" href="sha2_8c.html#a8d5fb1fd280a58618420c4a24e83cba8" title="Convenience function to digest a fixed block of data at once.">ldns_sha512</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *data, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> data_len, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *digest);
<a name="l00144"></a>00144
<a name="l00145"></a>00145 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00146"></a>00146 <span class="preprocessor"></span>}
<a name="l00147"></a>00147 <span class="preprocessor">#endif </span><span class="comment">/* __cplusplus */</span>
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="preprocessor">#endif </span><span class="comment">/* __LDNS_SHA2_H__ */</span>
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