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<div id="projectbrief">Highly optimized implementation of the NTRUEncrypt algorithm</div>
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<p>ascii to polynomials
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &quot;<a class="el" href="ntru__ascii__poly_8h_source.html">ntru_ascii_poly.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="ntru__common_8h_source.html">ntru_common.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="ntru__mem_8h_source.html">ntru_mem.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="ntru__params_8h_source.html">ntru_params.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="ntru__poly_8h_source.html">ntru_poly.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="ntru__string_8h_source.html">ntru_string.h</a>&quot;</code><br />
<code>#include &lt;glib.h&gt;</code><br />
<code>#include &lt;stdint.h&gt;</code><br />
<code>#include &lt;stdlib.h&gt;</code><br />
<code>#include &lt;string.h&gt;</code><br />
<code>#include &lt;fmpz_poly.h&gt;</code><br />
<code>#include &lt;fmpz.h&gt;</code><br />
</div><div class="textblock"><div class="dynheader">
Include dependency graph for ntru_ascii_poly.c:</div>
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<p><a href="ntru__ascii__poly_8c_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a2d2f760b6a98bd87248c1d3e120a665b"><td class="memItemLeft" align="right" valign="top">static char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ntru__ascii__poly_8c.html#a2d2f760b6a98bd87248c1d3e120a665b">get_int_to_bin_str</a> (uint8_t value)</td></tr>
<tr class="separator:a2d2f760b6a98bd87248c1d3e120a665b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa5d0d4abdb2ce837a0a3b6e478c8f1a9"><td class="memItemLeft" align="right" valign="top">fmpz_poly_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ntru__ascii__poly_8c.html#aa5d0d4abdb2ce837a0a3b6e478c8f1a9">ascii_bin_to_bin_poly</a> (const char *to_poly, const <a class="el" href="structntru__params.html">ntru_params</a> *params)</td></tr>
<tr class="separator:aa5d0d4abdb2ce837a0a3b6e478c8f1a9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3237071bca2489c3b2efd46e674e0805"><td class="memItemLeft" align="right" valign="top">fmpz_poly_t **&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ntru__ascii__poly_8c.html#a3237071bca2489c3b2efd46e674e0805">ascii_to_bin_poly_arr</a> (const <a class="el" href="structstring.html">string</a> *to_poly, const <a class="el" href="structntru__params.html">ntru_params</a> *params)</td></tr>
<tr class="separator:a3237071bca2489c3b2efd46e674e0805"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8460cd27ad4562f560bb304609a3e06d"><td class="memItemLeft" align="right" valign="top">fmpz_poly_t **&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ntru__ascii__poly_8c.html#a8460cd27ad4562f560bb304609a3e06d">base64_to_poly_arr</a> (const <a class="el" href="structstring.html">string</a> *to_poly, const <a class="el" href="structntru__params.html">ntru_params</a> *params)</td></tr>
<tr class="separator:a8460cd27ad4562f560bb304609a3e06d"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>ascii to polynomials </p>
<p>This file allows to convert ascii strings, including base64 encoded ones, to polynomials. </p>
<p>Definition in file <a class="el" href="ntru__ascii__poly_8c_source.html">ntru_ascii_poly.c</a>.</p>
</div><h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="aa5d0d4abdb2ce837a0a3b6e478c8f1a9"></a>
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<td class="memname">fmpz_poly_t* ascii_bin_to_bin_poly </td>
<td>(</td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>to_poly</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="structntru__params.html">ntru_params</a> *&#160;</td>
<td class="paramname"><em>params</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<p>Convert a "binary" ascii string to a binary polyomial. The ascii string will be converted to a binary representation and the following mapping will apply between binary -&gt; poly:</p>
<p>1 =&gt; 1</p>
<p>0 =&gt; -1</p>
<p>If the polynomial is of degree less than N -1, then it will be filled with trailing 2's for later use in <a class="el" href="ntru__poly__ascii_8c.html#a0d86ab2dede39b332d4149e16b2046b8">bin_poly_to_ascii()</a>.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">to_poly</td><td>the string to get into binary polynomial format </td></tr>
<tr><td class="paramname">params</td><td>the NTRUEncrypt context </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>newly allocated array of binary polynomials </dd></dl>
<p>Definition at line <a class="el" href="ntru__ascii__poly_8c_source.html#l00081">81</a> of file <a class="el" href="ntru__ascii__poly_8c_source.html">ntru_ascii_poly.c</a>.</p>
</div>
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<a class="anchor" id="a3237071bca2489c3b2efd46e674e0805"></a>
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<td class="memname">fmpz_poly_t** ascii_to_bin_poly_arr </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structstring.html">string</a> *&#160;</td>
<td class="paramname"><em>to_poly</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="structntru__params.html">ntru_params</a> *&#160;</td>
<td class="paramname"><em>params</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Convert an ascii string to an array of binary polyomials. The ascii string will be converted to a binary representation and the following mapping will apply between binary -&gt; poly:</p>
<p>1 =&gt; 1</p>
<p>0 =&gt; -1</p>
<p>If the last polynomial is of degree less than N -1, then it will be filled with trailing 2's for later use in <a class="el" href="ntru__poly__ascii_8c.html#ab9464c96c3ebec6ee716c604fdc4ad21">bin_poly_arr_to_ascii()</a>.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">to_poly</td><td>the string to get into binary polynomial format </td></tr>
<tr><td class="paramname">params</td><td>the NTRUEncrypt context </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>newly allocated array of binary polynomials </dd></dl>
<p>Definition at line <a class="el" href="ntru__ascii__poly_8c_source.html#l00101">101</a> of file <a class="el" href="ntru__ascii__poly_8c_source.html">ntru_ascii_poly.c</a>.</p>
</div>
</div>
<a class="anchor" id="a8460cd27ad4562f560bb304609a3e06d"></a>
<div class="memitem">
<div class="memproto">
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<td class="memname">fmpz_poly_t** base64_to_poly_arr </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structstring.html">string</a> *&#160;</td>
<td class="paramname"><em>to_poly</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="structntru__params.html">ntru_params</a> *&#160;</td>
<td class="paramname"><em>params</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Convert an base64 encoded string to an array of polyomials with coefficients which are expected to be in the range [0, q-1]. The chars will be converted (after decoding) to their integer representation and directly put into the coefficients.</p>
<p>If the last polynomial is of degree less than N -1, then it will be filled with trailing q's for later user in <a class="el" href="ntru__poly__ascii_8c.html#a0dc14698073df2e46e6540cbff870fc7">poly_arr_to_base64()</a>.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">to_poly</td><td>the string to get into polynomial format, which is of type string, so we can iterate safely over it (the string might have null-bytes in the middle of it) </td></tr>
<tr><td class="paramname">params</td><td>the NTRUEncrypt context </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>newly allocated array of polynomials </dd></dl>
<p>Definition at line <a class="el" href="ntru__ascii__poly_8c_source.html#l00146">146</a> of file <a class="el" href="ntru__ascii__poly_8c_source.html">ntru_ascii_poly.c</a>.</p>
</div>
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<a class="anchor" id="a2d2f760b6a98bd87248c1d3e120a665b"></a>
<div class="memitem">
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<td class="memname">static char * get_int_to_bin_str </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Convert an integer to it's binary representation as a string and return it.</p>
<p>As in: 90 =&gt; "10110101"</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">value</td><td>the integer to convert </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the binary representation as a newly allocated string </dd></dl>
<p>Definition at line <a class="el" href="ntru__ascii__poly_8c_source.html#l00062">62</a> of file <a class="el" href="ntru__ascii__poly_8c_source.html">ntru_ascii_poly.c</a>.</p>
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