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<title>post quantum cryptography: /home/travis/build/hasufell/pqc/src/ntru_poly_ascii.c Source File</title>
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<div id="projectname">post quantum cryptography
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<div id="projectbrief">Highly optimized implementation of the NTRUEncrypt algorithm</div>
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<div class="title">/home/travis/build/hasufell/pqc/src/ntru_poly_ascii.c</div> </div>
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<a href="ntru__poly__ascii_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
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<a name="l00002"></a>00002 <span class="comment"> * Copyright (C) 2014 FH Bielefeld</span>
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<a name="l00003"></a>00003 <span class="comment"> *</span>
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<a name="l00004"></a>00004 <span class="comment"> * This file is part of a FH Bielefeld project.</span>
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<a name="l00005"></a>00005 <span class="comment"> *</span>
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<a name="l00006"></a>00006 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
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<a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
|
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<a name="l00008"></a>00008 <span class="comment"> * License as published by the Free Software Foundation; either</span>
|
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<a name="l00009"></a>00009 <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span>
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<a name="l00010"></a>00010 <span class="comment"> *</span>
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<a name="l00011"></a>00011 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
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<a name="l00012"></a>00012 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
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<a name="l00013"></a>00013 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
|
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<a name="l00014"></a>00014 <span class="comment"> * Lesser General Public License for more details.</span>
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<a name="l00015"></a>00015 <span class="comment"> *</span>
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<a name="l00016"></a>00016 <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span>
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<a name="l00017"></a>00017 <span class="comment"> * License along with this library; if not, write to the Free Software</span>
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<a name="l00018"></a>00018 <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,</span>
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<a name="l00019"></a>00019 <span class="comment"> * MA 02110-1301 USA</span>
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<a name="l00020"></a>00020 <span class="comment"> */</span>
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<a name="l00021"></a>00021
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<a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="ntru__poly__ascii_8h.html" title="header for ntru_poly_ascii.c">ntru_poly_ascii.h</a>"</span>
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<a name="l00030"></a>00030 <span class="preprocessor">#include "<a class="code" href="ntru__common_8h.html" title="common macros/functions">ntru_common.h</a>"</span>
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<a name="l00031"></a>00031 <span class="preprocessor">#include "<a class="code" href="ntru__mem_8h.html" title="header for ntru_mem.c">ntru_mem.h</a>"</span>
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<a name="l00032"></a>00032 <span class="preprocessor">#include "<a class="code" href="ntru__params_8h.html" title="NTRU parameters.">ntru_params.h</a>"</span>
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<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="ntru__poly_8h.html" title="header for ntru_poly.c">ntru_poly.h</a>"</span>
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<a name="l00034"></a>00034 <span class="preprocessor">#include "<a class="code" href="ntru__string_8h.html" title="header for ntru_string.c">ntru_string.h</a>"</span>
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<a name="l00035"></a>00035
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<a name="l00036"></a>00036 <span class="preprocessor">#include <glib.h></span>
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<a name="l00037"></a>00037
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<a name="l00038"></a>00038 <span class="preprocessor">#include <stdint.h></span>
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<a name="l00039"></a>00039 <span class="preprocessor">#include <stdlib.h></span>
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<a name="l00040"></a>00040 <span class="preprocessor">#include <string.h></span>
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<a name="l00041"></a>00041
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<a name="l00042"></a>00042 <span class="preprocessor">#include <fmpz_poly.h></span>
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<a name="l00043"></a>00043 <span class="preprocessor">#include <fmpz.h></span>
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<a name="l00044"></a>00044
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<a name="l00045"></a>00045
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<a name="l00062"></a>00062 <span class="keyword">static</span> <span class="keywordtype">string</span> *
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<a name="l00063"></a>00063 <a class="code" href="ntru__poly__ascii_8c.html#afd3f036287b4f62846c1a236426d73e1">get_bin_arr_to_ascii</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *binary_rep);
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<a name="l00064"></a>00064
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<a name="l00065"></a>00065
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<a name="l00066"></a>00066 <span class="comment">/*------------------------------------------------------------------------*/</span>
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<a name="l00067"></a>00067
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<a name="l00068"></a>00068 <span class="keyword">static</span> <span class="keywordtype">string</span> *
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<a name="l00069"></a><a class="code" href="ntru__poly__ascii_8c.html#afd3f036287b4f62846c1a236426d73e1">00069</a> <a class="code" href="ntru__poly__ascii_8c.html#afd3f036287b4f62846c1a236426d73e1">get_bin_arr_to_ascii</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *binary_rep)
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<a name="l00070"></a>00070 {
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<a name="l00071"></a>00071 <span class="keywordtype">size_t</span> int_arr_size = 0;
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<a name="l00072"></a>00072 uint8_t *int_arr = NULL;
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<a name="l00073"></a>00073 uint32_t i = 0;
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<a name="l00074"></a>00074 <span class="keywordtype">char</span> *int_string = NULL;
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||
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<a name="l00075"></a>00075 <span class="keywordtype">string</span> *result = <a class="code" href="ntru__mem_8c.html#a020790bf8b201fde92395cf975c0c691">ntru_malloc</a>(<span class="keyword">sizeof</span>(*result));
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<a name="l00076"></a>00076
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<a name="l00077"></a>00077 <span class="keywordflow">if</span> (!binary_rep || !*binary_rep)
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<a name="l00078"></a>00078 <span class="keywordflow">return</span> NULL;
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||
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<a name="l00079"></a>00079
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<a name="l00080"></a>00080 int_arr_size = strlen(binary_rep) / <a class="code" href="ntru__common_8h.html#a8d370c21bcf662e586397e764aba95e1">ASCII_BITS</a> + 1;
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||
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<a name="l00081"></a>00081 int_arr = <a class="code" href="ntru__mem_8c.html#a020790bf8b201fde92395cf975c0c691">ntru_malloc</a>(<span class="keyword">sizeof</span>(*int_arr) * int_arr_size);
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<a name="l00082"></a>00082
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<a name="l00083"></a>00083 <span class="keywordflow">while</span> (*binary_rep) {
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||
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<a name="l00084"></a>00084 int_arr[i] = 0;
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||
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<a name="l00085"></a>00085
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||
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<a name="l00086"></a>00086 <span class="comment">/* convert one binary integer to real integer */</span>
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||
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<a name="l00087"></a>00087 <span class="keywordflow">for</span> (uint32_t j = 0; j < <a class="code" href="ntru__common_8h.html#a8d370c21bcf662e586397e764aba95e1">ASCII_BITS</a> && *binary_rep; j++) {
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||
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<a name="l00088"></a>00088 <span class="keywordflow">if</span> (*binary_rep == <span class="charliteral">'1'</span>)
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<a name="l00089"></a>00089 int_arr[i] = int_arr[i] * 2 + 1;
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<a name="l00090"></a>00090 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*binary_rep == <span class="charliteral">'0'</span>)
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||
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<a name="l00091"></a>00091 int_arr[i] *= 2;
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||
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<a name="l00092"></a>00092 binary_rep++;
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||
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<a name="l00093"></a>00093 }
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<a name="l00094"></a>00094
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||
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<a name="l00095"></a>00095 i++; <span class="comment">/* amount of real integers */</span>
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||
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<a name="l00096"></a>00096 }
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||
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<a name="l00097"></a>00097
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||
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<a name="l00098"></a>00098 int_string = <a class="code" href="ntru__mem_8c.html#a020790bf8b201fde92395cf975c0c691">ntru_malloc</a>(<a class="code" href="ntru__common_8h.html#a22c7f61c2f0fa6b1943548e838055cec">CHAR_SIZE</a> * (i + 1));
|
||
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<a name="l00099"></a>00099
|
||
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<a name="l00100"></a>00100 <span class="keywordflow">for</span> (uint32_t j = 0; j < i; j++)
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||
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<a name="l00101"></a>00101 int_string[j] = (<span class="keywordtype">char</span>) int_arr[j];
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<a name="l00102"></a>00102
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<a name="l00103"></a>00103 result-><a class="code" href="structstring.html#afd608f62303958cea6f1f7afdec1e282">ptr</a> = int_string;
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||
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<a name="l00104"></a>00104 result-><a class="code" href="structstring.html#aa6bcf0353fd5cf2f374a9b1dd0e4a73a">len</a> = i;
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<a name="l00105"></a>00105
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||
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<a name="l00106"></a>00106 free(int_arr);
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<a name="l00107"></a>00107
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<a name="l00108"></a>00108 <span class="keywordflow">return</span> result;
|
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<a name="l00109"></a>00109 }
|
||
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<a name="l00110"></a>00110
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<a name="l00111"></a>00111 <span class="comment">/*------------------------------------------------------------------------*/</span>
|
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<a name="l00112"></a>00112
|
||
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<a name="l00113"></a>00113 <span class="keywordtype">string</span> *
|
||
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<a name="l00114"></a><a class="code" href="ntru__poly__ascii_8h.html#a0d86ab2dede39b332d4149e16b2046b8">00114</a> <a class="code" href="ntru__poly__ascii_8c.html#a0d86ab2dede39b332d4149e16b2046b8">bin_poly_to_ascii</a>(<span class="keyword">const</span> fmpz_poly_t poly,
|
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<a name="l00115"></a>00115 <span class="keyword">const</span> <a class="code" href="structntru__params.html">ntru_params</a> *params)
|
||
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<a name="l00116"></a>00116 {
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||
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<a name="l00117"></a>00117 <span class="keywordtype">string</span> *result_string = <a class="code" href="ntru__mem_8c.html#a020790bf8b201fde92395cf975c0c691">ntru_malloc</a>(<span class="keyword">sizeof</span>(*result_string));
|
||
|
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<a name="l00118"></a>00118 <span class="keywordtype">char</span> *binary_rep = <a class="code" href="ntru__mem_8c.html#a020790bf8b201fde92395cf975c0c691">ntru_malloc</a>(<a class="code" href="ntru__common_8h.html#a22c7f61c2f0fa6b1943548e838055cec">CHAR_SIZE</a> * (params-><a class="code" href="structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff">N</a>));
|
||
|
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<a name="l00119"></a>00119 uint32_t i = 0;
|
||
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<a name="l00120"></a>00120
|
||
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<a name="l00121"></a>00121 <span class="keywordflow">for</span> (i = 0; i < params-><a class="code" href="structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff">N</a>; i++) {
|
||
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<a name="l00122"></a>00122 fmpz *coeff = fmpz_poly_get_coeff_ptr(poly, i);
|
||
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<a name="l00123"></a>00123
|
||
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<a name="l00124"></a>00124 <span class="keywordflow">if</span> (coeff) {
|
||
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<a name="l00125"></a>00125 <span class="keywordflow">if</span> (!fmpz_cmp_si(coeff, 1))
|
||
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<a name="l00126"></a>00126 binary_rep[i] = <span class="charliteral">'1'</span>;
|
||
|
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<a name="l00127"></a>00127 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!fmpz_cmp_si(coeff, -1))
|
||
|
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<a name="l00128"></a>00128 binary_rep[i] = <span class="charliteral">'0'</span>;
|
||
|
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<a name="l00129"></a>00129 } <span class="keywordflow">else</span> {
|
||
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<a name="l00130"></a>00130 <span class="keywordflow">break</span>;
|
||
|
|
<a name="l00131"></a>00131 }
|
||
|
|
<a name="l00132"></a>00132 }
|
||
|
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<a name="l00133"></a>00133
|
||
|
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<a name="l00134"></a>00134 result_string-><a class="code" href="structstring.html#afd608f62303958cea6f1f7afdec1e282">ptr</a> = binary_rep;
|
||
|
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<a name="l00135"></a>00135 result_string-><a class="code" href="structstring.html#aa6bcf0353fd5cf2f374a9b1dd0e4a73a">len</a> = i;
|
||
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<a name="l00136"></a>00136
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||
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<a name="l00137"></a>00137 <span class="keywordflow">return</span> result_string;
|
||
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<a name="l00138"></a>00138 }
|
||
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<a name="l00139"></a>00139
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||
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<a name="l00140"></a>00140 <span class="comment">/*------------------------------------------------------------------------*/</span>
|
||
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<a name="l00141"></a>00141
|
||
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<a name="l00142"></a>00142 <span class="keywordtype">string</span> *
|
||
|
|
<a name="l00143"></a><a class="code" href="ntru__poly__ascii_8h.html#ab9464c96c3ebec6ee716c604fdc4ad21">00143</a> <a class="code" href="ntru__poly__ascii_8c.html#ab9464c96c3ebec6ee716c604fdc4ad21">bin_poly_arr_to_ascii</a>(<span class="keyword">const</span> fmpz_poly_t **bin_poly_arr,
|
||
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<a name="l00144"></a>00144 <span class="keyword">const</span> uint32_t poly_c,
|
||
|
|
<a name="l00145"></a>00145 <span class="keyword">const</span> <a class="code" href="structntru__params.html">ntru_params</a> *params)
|
||
|
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<a name="l00146"></a>00146 {
|
||
|
|
<a name="l00147"></a>00147 <span class="keywordtype">char</span> *binary_rep = NULL;
|
||
|
|
<a name="l00148"></a>00148 <span class="keywordtype">size_t</span> string_len = 0;
|
||
|
|
<a name="l00149"></a>00149 <span class="keywordtype">string</span> *ascii_string = NULL;
|
||
|
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<a name="l00150"></a>00150
|
||
|
|
<a name="l00151"></a>00151 <span class="comment">/*</span>
|
||
|
|
<a name="l00152"></a>00152 <span class="comment"> * parse the polynomial coefficients into a string</span>
|
||
|
|
<a name="l00153"></a>00153 <span class="comment"> */</span>
|
||
|
|
<a name="l00154"></a>00154 binary_rep = <a class="code" href="ntru__mem_8c.html#a020790bf8b201fde92395cf975c0c691">ntru_malloc</a>(<a class="code" href="ntru__common_8h.html#a22c7f61c2f0fa6b1943548e838055cec">CHAR_SIZE</a> * (params-><a class="code" href="structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff">N</a> * poly_c + 1));
|
||
|
|
<a name="l00155"></a>00155 <span class="keywordflow">for</span> (uint32_t i = 0; i < poly_c; i++) {
|
||
|
|
<a name="l00156"></a>00156 <span class="keywordtype">string</span> *single_poly_string = NULL;
|
||
|
|
<a name="l00157"></a>00157
|
||
|
|
<a name="l00158"></a>00158 single_poly_string = <a class="code" href="ntru__poly__ascii_8c.html#a0d86ab2dede39b332d4149e16b2046b8">bin_poly_to_ascii</a>(*bin_poly_arr[i], params);
|
||
|
|
<a name="l00159"></a>00159
|
||
|
|
<a name="l00160"></a>00160 memcpy(binary_rep + string_len,
|
||
|
|
<a name="l00161"></a>00161 single_poly_string-><a class="code" href="structstring.html#afd608f62303958cea6f1f7afdec1e282">ptr</a>,
|
||
|
|
<a name="l00162"></a>00162 single_poly_string-><a class="code" href="structstring.html#aa6bcf0353fd5cf2f374a9b1dd0e4a73a">len</a>);
|
||
|
|
<a name="l00163"></a>00163
|
||
|
|
<a name="l00164"></a>00164 string_len += single_poly_string-><a class="code" href="structstring.html#aa6bcf0353fd5cf2f374a9b1dd0e4a73a">len</a>;
|
||
|
|
<a name="l00165"></a>00165
|
||
|
|
<a name="l00166"></a>00166 <a class="code" href="ntru__string_8c.html#ac1b5f66fbbbdfc7901357ddcfec52e5a">string_delete</a>(single_poly_string);
|
||
|
|
<a name="l00167"></a>00167 }
|
||
|
|
<a name="l00168"></a>00168 binary_rep[string_len] = <span class="charliteral">'\0'</span>;
|
||
|
|
<a name="l00169"></a>00169
|
||
|
|
<a name="l00170"></a>00170 ascii_string = <a class="code" href="ntru__poly__ascii_8c.html#afd3f036287b4f62846c1a236426d73e1">get_bin_arr_to_ascii</a>(binary_rep);
|
||
|
|
<a name="l00171"></a>00171
|
||
|
|
<a name="l00172"></a>00172 free(binary_rep);
|
||
|
|
<a name="l00173"></a>00173
|
||
|
|
<a name="l00174"></a>00174 <span class="keywordflow">return</span> ascii_string;
|
||
|
|
<a name="l00175"></a>00175 }
|
||
|
|
<a name="l00176"></a>00176
|
||
|
|
<a name="l00177"></a>00177 <span class="comment">/*------------------------------------------------------------------------*/</span>
|
||
|
|
<a name="l00178"></a>00178
|
||
|
|
<a name="l00179"></a>00179 <span class="keywordtype">string</span> *
|
||
|
|
<a name="l00180"></a><a class="code" href="ntru__poly__ascii_8h.html#aa4d233591b7e51d6cf787edd3bfa91e2">00180</a> <a class="code" href="ntru__poly__ascii_8c.html#aa4d233591b7e51d6cf787edd3bfa91e2">poly_to_ascii</a>(<span class="keyword">const</span> fmpz_poly_t poly,
|
||
|
|
<a name="l00181"></a>00181 <span class="keyword">const</span> <a class="code" href="structntru__params.html">ntru_params</a> *params)
|
||
|
|
<a name="l00182"></a>00182 {
|
||
|
|
<a name="l00183"></a>00183 <span class="keywordtype">string</span> *result_string = <a class="code" href="ntru__mem_8c.html#a020790bf8b201fde92395cf975c0c691">ntru_malloc</a>(<span class="keyword">sizeof</span>(*result_string));
|
||
|
|
<a name="l00184"></a>00184 <span class="keywordtype">char</span> *string_rep = <a class="code" href="ntru__mem_8c.html#a020790bf8b201fde92395cf975c0c691">ntru_malloc</a>(<a class="code" href="ntru__common_8h.html#a22c7f61c2f0fa6b1943548e838055cec">CHAR_SIZE</a> * (params-><a class="code" href="structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff">N</a>));
|
||
|
|
<a name="l00185"></a>00185
|
||
|
|
<a name="l00186"></a>00186 <span class="keywordflow">for</span> (uint32_t j = 0; j < params-><a class="code" href="structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff">N</a>; j++) {
|
||
|
|
<a name="l00187"></a>00187 uint8_t coeff = fmpz_poly_get_coeff_ui(poly, j);
|
||
|
|
<a name="l00188"></a>00188 <span class="keywordflow">if</span> (coeff == params-><a class="code" href="structntru__params.html#a29680750bda49dc93e61a752b2f2a0f7">q</a>)
|
||
|
|
<a name="l00189"></a>00189 string_rep[j] = <span class="charliteral">'\0'</span>;
|
||
|
|
<a name="l00190"></a>00190 <span class="keywordflow">else</span>
|
||
|
|
<a name="l00191"></a>00191 string_rep[j] = (char)coeff;
|
||
|
|
<a name="l00192"></a>00192 }
|
||
|
|
<a name="l00193"></a>00193
|
||
|
|
<a name="l00194"></a>00194 result_string-><a class="code" href="structstring.html#afd608f62303958cea6f1f7afdec1e282">ptr</a> = string_rep;
|
||
|
|
<a name="l00195"></a>00195 result_string-><a class="code" href="structstring.html#aa6bcf0353fd5cf2f374a9b1dd0e4a73a">len</a> = params-><a class="code" href="structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff">N</a>;
|
||
|
|
<a name="l00196"></a>00196
|
||
|
|
<a name="l00197"></a>00197 <span class="keywordflow">return</span> result_string;
|
||
|
|
<a name="l00198"></a>00198 }
|
||
|
|
<a name="l00199"></a>00199
|
||
|
|
<a name="l00200"></a>00200 <span class="comment">/*------------------------------------------------------------------------*/</span>
|
||
|
|
<a name="l00201"></a>00201
|
||
|
|
<a name="l00202"></a>00202 <span class="keywordtype">string</span> *
|
||
|
|
<a name="l00203"></a><a class="code" href="ntru__poly__ascii_8h.html#afa141976b665b94c0db9912bc50de4a1">00203</a> <a class="code" href="ntru__poly__ascii_8c.html#afa141976b665b94c0db9912bc50de4a1">poly_arr_to_ascii</a>(<span class="keyword">const</span> fmpz_poly_t **poly_array,
|
||
|
|
<a name="l00204"></a>00204 <span class="keyword">const</span> uint32_t poly_c,
|
||
|
|
<a name="l00205"></a>00205 <span class="keyword">const</span> <a class="code" href="structntru__params.html">ntru_params</a> *params)
|
||
|
|
<a name="l00206"></a>00206 {
|
||
|
|
<a name="l00207"></a>00207 <span class="keywordtype">char</span> *string_rep = NULL;
|
||
|
|
<a name="l00208"></a>00208 <span class="keywordtype">size_t</span> string_len = 0;
|
||
|
|
<a name="l00209"></a>00209 <span class="keywordtype">string</span> *result_string = <a class="code" href="ntru__mem_8c.html#a020790bf8b201fde92395cf975c0c691">ntru_malloc</a>(<span class="keyword">sizeof</span>(*result_string));
|
||
|
|
<a name="l00210"></a>00210
|
||
|
|
<a name="l00211"></a>00211 <span class="comment">/*</span>
|
||
|
|
<a name="l00212"></a>00212 <span class="comment"> * parse the polynomial coefficients into a string</span>
|
||
|
|
<a name="l00213"></a>00213 <span class="comment"> */</span>
|
||
|
|
<a name="l00214"></a>00214 string_rep = <a class="code" href="ntru__mem_8c.html#a020790bf8b201fde92395cf975c0c691">ntru_malloc</a>(<a class="code" href="ntru__common_8h.html#a22c7f61c2f0fa6b1943548e838055cec">CHAR_SIZE</a> * (params-><a class="code" href="structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff">N</a> * poly_c + 1));
|
||
|
|
<a name="l00215"></a>00215 <span class="keywordflow">for</span> (uint32_t i = 0; i < poly_c; i++) {
|
||
|
|
<a name="l00216"></a>00216 <span class="keywordtype">string</span> *poly_str;
|
||
|
|
<a name="l00217"></a>00217
|
||
|
|
<a name="l00218"></a>00218 poly_str = <a class="code" href="ntru__poly__ascii_8c.html#aa4d233591b7e51d6cf787edd3bfa91e2">poly_to_ascii</a>(*poly_array[i], params);
|
||
|
|
<a name="l00219"></a>00219
|
||
|
|
<a name="l00220"></a>00220 memcpy(string_rep + string_len,
|
||
|
|
<a name="l00221"></a>00221 poly_str-><a class="code" href="structstring.html#afd608f62303958cea6f1f7afdec1e282">ptr</a>,
|
||
|
|
<a name="l00222"></a>00222 poly_str-><a class="code" href="structstring.html#aa6bcf0353fd5cf2f374a9b1dd0e4a73a">len</a>);
|
||
|
|
<a name="l00223"></a>00223 string_len += poly_str-><a class="code" href="structstring.html#aa6bcf0353fd5cf2f374a9b1dd0e4a73a">len</a>;
|
||
|
|
<a name="l00224"></a>00224
|
||
|
|
<a name="l00225"></a>00225 <a class="code" href="ntru__string_8c.html#ac1b5f66fbbbdfc7901357ddcfec52e5a">string_delete</a>(poly_str);
|
||
|
|
<a name="l00226"></a>00226 }
|
||
|
|
<a name="l00227"></a>00227
|
||
|
|
<a name="l00228"></a>00228 result_string-><a class="code" href="structstring.html#afd608f62303958cea6f1f7afdec1e282">ptr</a> = string_rep;
|
||
|
|
<a name="l00229"></a>00229 result_string-><a class="code" href="structstring.html#aa6bcf0353fd5cf2f374a9b1dd0e4a73a">len</a> = string_len;
|
||
|
|
<a name="l00230"></a>00230
|
||
|
|
<a name="l00231"></a>00231 <span class="keywordflow">return</span> result_string;
|
||
|
|
<a name="l00232"></a>00232 }
|
||
|
|
<a name="l00233"></a>00233
|
||
|
|
<a name="l00234"></a>00234 <span class="comment">/*------------------------------------------------------------------------*/</span>
|
||
|
|
<a name="l00235"></a>00235
|
||
|
|
<a name="l00236"></a>00236 <span class="keywordtype">string</span> *
|
||
|
|
<a name="l00237"></a><a class="code" href="ntru__poly__ascii_8h.html#a4ba0179e3ae0d5e721ff8429a8265e80">00237</a> <a class="code" href="ntru__poly__ascii_8c.html#a4ba0179e3ae0d5e721ff8429a8265e80">poly_to_base64</a>(<span class="keyword">const</span> fmpz_poly_t poly,
|
||
|
|
<a name="l00238"></a>00238 <span class="keyword">const</span> <a class="code" href="structntru__params.html">ntru_params</a> *params)
|
||
|
|
<a name="l00239"></a>00239 {
|
||
|
|
<a name="l00240"></a>00240 <span class="keywordtype">string</span> *result_string = <a class="code" href="ntru__mem_8c.html#a020790bf8b201fde92395cf975c0c691">ntru_malloc</a>(<span class="keyword">sizeof</span>(*result_string));
|
||
|
|
<a name="l00241"></a>00241 <span class="keywordtype">string</span> *string_rep = NULL;
|
||
|
|
<a name="l00242"></a>00242 gchar *base64_string = NULL,
|
||
|
|
<a name="l00243"></a>00243 *tmp = NULL;
|
||
|
|
<a name="l00244"></a>00244
|
||
|
|
<a name="l00245"></a>00245 string_rep = <a class="code" href="ntru__poly__ascii_8c.html#aa4d233591b7e51d6cf787edd3bfa91e2">poly_to_ascii</a>(poly, params);
|
||
|
|
<a name="l00246"></a>00246
|
||
|
|
<a name="l00247"></a>00247 tmp = g_base64_encode((<span class="keyword">const</span> guchar *)string_rep-><a class="code" href="structstring.html#afd608f62303958cea6f1f7afdec1e282">ptr</a>,
|
||
|
|
<a name="l00248"></a>00248 string_rep-><a class="code" href="structstring.html#aa6bcf0353fd5cf2f374a9b1dd0e4a73a">len</a>);
|
||
|
|
<a name="l00249"></a>00249 base64_string = g_base64_encode((<span class="keyword">const</span> guchar *)tmp,
|
||
|
|
<a name="l00250"></a>00250 strlen(tmp));
|
||
|
|
<a name="l00251"></a>00251
|
||
|
|
<a name="l00252"></a>00252 result_string-><a class="code" href="structstring.html#afd608f62303958cea6f1f7afdec1e282">ptr</a> = base64_string;
|
||
|
|
<a name="l00253"></a>00253 result_string-><a class="code" href="structstring.html#aa6bcf0353fd5cf2f374a9b1dd0e4a73a">len</a> = strlen(base64_string);
|
||
|
|
<a name="l00254"></a>00254
|
||
|
|
<a name="l00255"></a>00255 <a class="code" href="ntru__string_8c.html#ac1b5f66fbbbdfc7901357ddcfec52e5a">string_delete</a>(string_rep);
|
||
|
|
<a name="l00256"></a>00256 free(tmp);
|
||
|
|
<a name="l00257"></a>00257
|
||
|
|
<a name="l00258"></a>00258 <span class="keywordflow">return</span> result_string;
|
||
|
|
<a name="l00259"></a>00259 }
|
||
|
|
<a name="l00260"></a>00260
|
||
|
|
<a name="l00261"></a>00261 <span class="comment">/*------------------------------------------------------------------------*/</span>
|
||
|
|
<a name="l00262"></a>00262
|
||
|
|
<a name="l00263"></a>00263 <span class="keywordtype">string</span> *
|
||
|
|
<a name="l00264"></a><a class="code" href="ntru__poly__ascii_8h.html#a16163cc57631a0965577cb0f89365ca0">00264</a> <a class="code" href="ntru__poly__ascii_8c.html#a0dc14698073df2e46e6540cbff870fc7">poly_arr_to_base64</a>(<span class="keyword">const</span> fmpz_poly_t **poly_array,
|
||
|
|
<a name="l00265"></a>00265 <span class="keyword">const</span> uint32_t poly_c,
|
||
|
|
<a name="l00266"></a>00266 <span class="keyword">const</span> <a class="code" href="structntru__params.html">ntru_params</a> *params)
|
||
|
|
<a name="l00267"></a>00267 {
|
||
|
|
<a name="l00268"></a>00268 <span class="keywordtype">string</span> *string_rep;
|
||
|
|
<a name="l00269"></a>00269 <span class="keywordtype">string</span> *result_string = <a class="code" href="ntru__mem_8c.html#a020790bf8b201fde92395cf975c0c691">ntru_malloc</a>(<span class="keyword">sizeof</span>(*result_string));
|
||
|
|
<a name="l00270"></a>00270
|
||
|
|
<a name="l00271"></a>00271 gchar *base64_string = NULL,
|
||
|
|
<a name="l00272"></a>00272 *tmp = NULL;
|
||
|
|
<a name="l00273"></a>00273
|
||
|
|
<a name="l00274"></a>00274 string_rep = <a class="code" href="ntru__poly__ascii_8c.html#afa141976b665b94c0db9912bc50de4a1">poly_arr_to_ascii</a>(poly_array, poly_c, params);
|
||
|
|
<a name="l00275"></a>00275
|
||
|
|
<a name="l00276"></a>00276 tmp = g_base64_encode((<span class="keyword">const</span> guchar *)string_rep-><a class="code" href="structstring.html#afd608f62303958cea6f1f7afdec1e282">ptr</a>, string_rep-><a class="code" href="structstring.html#aa6bcf0353fd5cf2f374a9b1dd0e4a73a">len</a>);
|
||
|
|
<a name="l00277"></a>00277 base64_string = g_base64_encode((<span class="keyword">const</span> guchar *)tmp,
|
||
|
|
<a name="l00278"></a>00278 strlen(tmp));
|
||
|
|
<a name="l00279"></a>00279
|
||
|
|
<a name="l00280"></a>00280 result_string-><a class="code" href="structstring.html#afd608f62303958cea6f1f7afdec1e282">ptr</a> = base64_string;
|
||
|
|
<a name="l00281"></a>00281 result_string-><a class="code" href="structstring.html#aa6bcf0353fd5cf2f374a9b1dd0e4a73a">len</a> = strlen(base64_string);
|
||
|
|
<a name="l00282"></a>00282
|
||
|
|
<a name="l00283"></a>00283 <a class="code" href="ntru__string_8c.html#ac1b5f66fbbbdfc7901357ddcfec52e5a">string_delete</a>(string_rep);
|
||
|
|
<a name="l00284"></a>00284 free(tmp);
|
||
|
|
<a name="l00285"></a>00285
|
||
|
|
<a name="l00286"></a>00286 <span class="keywordflow">return</span> result_string;
|
||
|
|
<a name="l00287"></a>00287 }
|
||
|
|
<a name="l00288"></a>00288
|
||
|
|
<a name="l00289"></a>00289 <span class="comment">/*------------------------------------------------------------------------*/</span>
|
||
|
|
</pre></div></div><!-- contents -->
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||
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Generated on Sun Jun 8 2014 21:44:12 for post quantum cryptography by  <a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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||
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</a> 1.7.6.1
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