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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * This file is part of the SSH Library</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"> * Copyright (c) 2009 by Aris Adamantiadis</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This library is free software; you can redistribute it and/or</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * License as published by the Free Software Foundation; either</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * This library is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * Lesser General Public License for more details.</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"> * You should have received a copy of the GNU Lesser General Public</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * License along with this library; if not, write to the Free Software</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> */</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#ifndef LIBGCRYPT_H_</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#define LIBGCRYPT_H_</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> <span class="preprocessor">#include "config.h"</span></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="preprocessor">#ifdef HAVE_LIBGCRYPT</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <gcrypt.h></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">typedef</span> gcry_md_hd_t SHACTX;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">typedef</span> gcry_md_hd_t SHA256CTX;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">typedef</span> gcry_md_hd_t SHA384CTX;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">typedef</span> gcry_md_hd_t SHA512CTX;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">typedef</span> gcry_md_hd_t MD5CTX;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">typedef</span> gcry_md_hd_t HMACCTX;</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">typedef</span> gcry_md_hd_t EVPCTX;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#define SHA_DIGEST_LENGTH 20</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#define SHA_DIGEST_LEN SHA_DIGEST_LENGTH</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#define MD5_DIGEST_LEN 16</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#define SHA256_DIGEST_LENGTH 32</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#define SHA256_DIGEST_LEN SHA256_DIGEST_LENGTH</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#define SHA384_DIGEST_LENGTH 48</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#define SHA384_DIGEST_LEN SHA384_DIGEST_LENGTH</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#define SHA512_DIGEST_LENGTH 64</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#define SHA512_DIGEST_LEN SHA512_DIGEST_LENGTH</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> <span class="preprocessor">#ifndef EVP_MAX_MD_SIZE</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#define EVP_MAX_MD_SIZE 64</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#endif</span></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="preprocessor">#define EVP_DIGEST_LEN EVP_MAX_MD_SIZE</span></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="keyword">typedef</span> gcry_mpi_t bignum;</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="comment">/* Constants for curves. */</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#define NID_gcrypt_nistp256 0</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#define NID_gcrypt_nistp384 1</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#define NID_gcrypt_nistp521 2</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="comment">/* missing gcrypt functions */</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keywordtype">int</span> ssh_gcry_dec2bn(bignum *bn, <span class="keyword">const</span> <span class="keywordtype">char</span> *data);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keywordtype">char</span> *ssh_gcry_bn2dec(bignum bn);</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> <span class="preprocessor">#define bignum_new() gcry_mpi_new(0)</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#define bignum_free(num) gcry_mpi_release(num)</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#define bignum_set_word(bn,n) gcry_mpi_set_ui(bn,n)</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#define bignum_bin2bn(bn,datalen,data) gcry_mpi_scan(data,GCRYMPI_FMT_USG,bn,datalen,NULL)</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#define bignum_bn2dec(num) ssh_gcry_bn2dec(num)</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#define bignum_dec2bn(num, data) ssh_gcry_dec2bn(data, num)</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#define bignum_bn2hex(num,data) gcry_mpi_aprint(GCRYMPI_FMT_HEX,data,NULL,num)</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#define bignum_hex2bn(num,datalen,data) gcry_mpi_scan(num,GCRYMPI_FMT_HEX,data,datalen,NULL)</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#define bignum_rand(num,bits) gcry_mpi_randomize(num,bits,GCRY_STRONG_RANDOM),gcry_mpi_set_bit(num,bits-1),gcry_mpi_set_bit(num,0)</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#define bignum_mod_exp(dest,generator,exp,modulo) gcry_mpi_powm(dest,generator,exp,modulo)</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#define bignum_num_bits(num) gcry_mpi_get_nbits(num)</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">#define bignum_num_bytes(num) ((gcry_mpi_get_nbits(num)+7)/8)</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#define bignum_is_bit_set(num,bit) gcry_mpi_test_bit(num,bit)</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#define bignum_bn2bin(num,datalen,data) gcry_mpi_print(GCRYMPI_FMT_USG,data,datalen,NULL,num)</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#define bignum_cmp(num1,num2) gcry_mpi_cmp(num1,num2)</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment">/* Helper functions for data conversions. */</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment">/* Extract an MPI from the given s-expression SEXP named NAME which is</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"> encoded using INFORMAT and store it in a newly allocated ssh_string</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment"> encoded using OUTFORMAT. */</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> ssh_string ssh_sexp_extract_mpi(<span class="keyword">const</span> gcry_sexp_t sexp,</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *name,</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">enum</span> gcry_mpi_format informat,</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">enum</span> gcry_mpi_format outformat);</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor">#endif </span><span class="comment">/* HAVE_LIBGCRYPT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">struct </span>ssh_cipher_struct *ssh_get_ciphertab(<span class="keywordtype">void</span>);</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor">#endif </span><span class="comment">/* LIBGCRYPT_H_ */</span><span class="preprocessor"></span></div></div><!-- fragment --></div><!-- contents -->
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