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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* $OpenBSD: fe25519.h,v 1.3 2013/12/09 11:03:45 markus Exp $ */</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">/*</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Public Domain, Authors: Daniel J. Bernstein, Niels Duif, Tanja Lange,</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * Peter Schwabe, Bo-Yin Yang.</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Copied from supercop-20130419/crypto_sign/ed25519/ref/fe25519.h</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> */</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#ifndef FE25519_H</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#define FE25519_H</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "libssh/priv.h"</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#define fe25519 crypto_sign_ed25519_ref_fe25519</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#define fe25519_freeze crypto_sign_ed25519_ref_fe25519_freeze</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#define fe25519_unpack crypto_sign_ed25519_ref_fe25519_unpack</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#define fe25519_pack crypto_sign_ed25519_ref_fe25519_pack</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#define fe25519_iszero crypto_sign_ed25519_ref_fe25519_iszero</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#define fe25519_iseq_vartime crypto_sign_ed25519_ref_fe25519_iseq_vartime</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#define fe25519_cmov crypto_sign_ed25519_ref_fe25519_cmov</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#define fe25519_setone crypto_sign_ed25519_ref_fe25519_setone</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#define fe25519_setzero crypto_sign_ed25519_ref_fe25519_setzero</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#define fe25519_neg crypto_sign_ed25519_ref_fe25519_neg</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#define fe25519_getparity crypto_sign_ed25519_ref_fe25519_getparity</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#define fe25519_add crypto_sign_ed25519_ref_fe25519_add</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#define fe25519_sub crypto_sign_ed25519_ref_fe25519_sub</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#define fe25519_mul crypto_sign_ed25519_ref_fe25519_mul</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#define fe25519_square crypto_sign_ed25519_ref_fe25519_square</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#define fe25519_invert crypto_sign_ed25519_ref_fe25519_invert</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#define fe25519_pow2523 crypto_sign_ed25519_ref_fe25519_pow2523</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  uint32_t v[32];</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> } fe25519;</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keywordtype">void</span> fe25519_freeze(fe25519 *r);</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="keywordtype">void</span> fe25519_unpack(fe25519 *r, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> x[32]);</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> <span class="keywordtype">void</span> fe25519_pack(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> r[32], <span class="keyword">const</span> fe25519 *x);</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> <span class="keywordtype">int</span> fe25519_iszero(<span class="keyword">const</span> fe25519 *x);</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> <span class="keywordtype">int</span> fe25519_iseq_vartime(<span class="keyword">const</span> fe25519 *x, <span class="keyword">const</span> fe25519 *y);</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> <span class="keywordtype">void</span> fe25519_cmov(fe25519 *r, <span class="keyword">const</span> fe25519 *x, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> b);</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keywordtype">void</span> fe25519_setone(fe25519 *r);</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keywordtype">void</span> fe25519_setzero(fe25519 *r);</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keywordtype">void</span> fe25519_neg(fe25519 *r, <span class="keyword">const</span> fe25519 *x);</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> fe25519_getparity(<span class="keyword">const</span> fe25519 *x);</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="keywordtype">void</span> fe25519_add(fe25519 *r, <span class="keyword">const</span> fe25519 *x, <span class="keyword">const</span> fe25519 *y);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keywordtype">void</span> fe25519_sub(fe25519 *r, <span class="keyword">const</span> fe25519 *x, <span class="keyword">const</span> fe25519 *y);</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keywordtype">void</span> fe25519_mul(fe25519 *r, <span class="keyword">const</span> fe25519 *x, <span class="keyword">const</span> fe25519 *y);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keywordtype">void</span> fe25519_square(fe25519 *r, <span class="keyword">const</span> fe25519 *x);</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keywordtype">void</span> fe25519_invert(fe25519 *r, <span class="keyword">const</span> fe25519 *x);</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keywordtype">void</span> fe25519_pow2523(fe25519 *r, <span class="keyword">const</span> fe25519 *x);</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> <span class="preprocessor">#endif</span></div></div><!-- fragment --></div><!-- contents -->
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