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<div id="projectbrief">Highly optimized implementation of the NTRUEncrypt algorithm</div>
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<p>public API, basic data types
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;fmpz_poly.h&gt;</code><br />
<code>#include &lt;fmpz.h&gt;</code><br />
<code>#include &lt;stdint.h&gt;</code><br />
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<tr class="memitem:a55d4ce182c335ff6cca360909a7be395"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ntru_8h.html#a55d4ce182c335ff6cca360909a7be395">prints</a> (const <a class="el" href="structstring.html">string</a> *print_string)</td></tr>
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<tr class="memitem:a20f86085d5eb5372fd25dc270069d38c"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ntru_8h.html#a20f86085d5eb5372fd25dc270069d38c">poly_new</a> (fmpz_poly_t new_poly, int const *const c, const size_t len)</td></tr>
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<tr class="memitem:a27ff2116f70bcbf5028219adcae4c5f0"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ntru_8h.html#a27ff2116f70bcbf5028219adcae4c5f0">poly_delete</a> (fmpz_poly_t poly)</td></tr>
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<tr class="memitem:a83297bc2ab5b6e7ce42553570dd8268f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ntru_8h.html#a83297bc2ab5b6e7ce42553570dd8268f">poly_delete_all</a> (fmpz_poly_t poly,...)</td></tr>
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<tr class="memitem:a80a8ce0f2944bc3df94291ef2f781498"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ntru_8h.html#a80a8ce0f2944bc3df94291ef2f781498">poly_draw</a> (const fmpz_poly_t poly)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>public API, basic data types </p>
<p>This file holds the public API of the most basic data types and operations of the pqc NTRU implementation and is meant to be installed on the client system. </p>
<p>Definition in file <a class="el" href="ntru_8h_source.html">ntru.h</a>.</p>
</div><h2 class="groupheader">Typedef Documentation</h2>
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<td class="memname">typedef struct <a class="el" href="structntru__params.html">ntru_params</a> <a class="el" href="structntru__params.html">ntru_params</a></td>
</tr>
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<p>Definition at line <a class="el" href="ntru_8h_source.html#l00039">39</a> of file <a class="el" href="ntru_8h_source.html">ntru.h</a>.</p>
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<td class="memname">typedef struct <a class="el" href="structstring.html">string</a> <a class="el" href="structstring.html">string</a></td>
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</div><div class="memdoc">
<p>Definition at line <a class="el" href="ntru_8h_source.html#l00040">40</a> of file <a class="el" href="ntru_8h_source.html">ntru.h</a>.</p>
</div>
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<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="a27ff2116f70bcbf5028219adcae4c5f0"></a>
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<div class="memproto">
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<td class="memname">void poly_delete </td>
<td>(</td>
<td class="paramtype">fmpz_poly_t&#160;</td>
<td class="paramname"><em>poly</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>This deletes the internal structure of a polynomial, and frees the pointer.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">poly</td><td>the polynomial to delete </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a83297bc2ab5b6e7ce42553570dd8268f"></a>
<div class="memitem">
<div class="memproto">
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<td class="memname">void poly_delete_all </td>
<td>(</td>
<td class="paramtype">fmpz_poly_t&#160;</td>
<td class="paramname"><em>poly</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>...</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>This deletes the internal structure of all polynomials, and frees the pointers. You must call this with NULL as last argument!</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">poly</td><td>the polynomial to delete </td></tr>
<tr><td class="paramname">...</td><td>follow up polynomials </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a3f53c63383ff301b20dcede0783869a7"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void poly_delete_array </td>
<td>(</td>
<td class="paramtype">fmpz_poly_t **&#160;</td>
<td class="paramname"><em>poly_array</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Delete the internal structure of a polynomial array which must be NULL terminated. It is expected that poly_array is not on the stack and was obtained by a function like ascii_to_poly().</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">poly_array</td><td>the polynomial array </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a80a8ce0f2944bc3df94291ef2f781498"></a>
<div class="memitem">
<div class="memproto">
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<td class="memname">void poly_draw </td>
<td>(</td>
<td class="paramtype">const fmpz_poly_t&#160;</td>
<td class="paramname"><em>poly</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Draws a polynomial to stdout.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">poly</td><td>draw this </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="aec098d00160d2d502eb1f8a7c3fa5453"></a>
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<table class="memname">
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<td class="memname">void poly_draw_pretty </td>
<td>(</td>
<td class="paramtype">const fmpz_poly_t&#160;</td>
<td class="paramname"><em>poly</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Draws a polynomial to stdout, in pretty format.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">poly</td><td>draw this </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a20f86085d5eb5372fd25dc270069d38c"></a>
<div class="memitem">
<div class="memproto">
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<td class="memname">void poly_new </td>
<td>(</td>
<td class="paramtype">fmpz_poly_t&#160;</td>
<td class="paramname"><em>new_poly</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int const *const&#160;</td>
<td class="paramname"><em>c</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const size_t&#160;</td>
<td class="paramname"><em>len</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Initializes and builds a polynomial with the coefficient values of c[] of size len within NTRU parameters and returns a newly allocated polynomial. For an empty polynom, both c and len can be NULL/0.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">new_poly</td><td>the polynomial to initialize and fill with coefficients [out] </td></tr>
<tr><td class="paramname">c</td><td>array of polynomial coefficients, can be NULL </td></tr>
<tr><td class="paramname">len</td><td>size of the coefficient array, can be 0 </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>newly allocated polynomial pointer, must be freed with fmpz_poly_clear() </dd></dl>
</div>
</div>
<a class="anchor" id="a55d4ce182c335ff6cca360909a7be395"></a>
<div class="memitem">
<div class="memproto">
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<tr>
<td class="memname">void prints </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structstring.html">string</a> *&#160;</td>
<td class="paramname"><em>print_string</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Prints the given string to stdout.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">print_string</td><td>the print to string </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a348c2a56837571f410d44631abc09dc4"></a>
<div class="memitem">
<div class="memproto">
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<td class="memname"><a class="el" href="structstring.html">string</a>* read_file </td>
<td>(</td>
<td class="paramtype">char const *const&#160;</td>
<td class="paramname"><em>filename</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Reads a file and returns a newly allocated string.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">filename</td><td>file to open </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>a newly allocated string which must be freed by the caller or NULL on failure </dd></dl>
</div>
</div>
<a class="anchor" id="ac1b5f66fbbbdfc7901357ddcfec52e5a"></a>
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<td class="memname">void string_delete </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structstring.html">string</a> *&#160;</td>
<td class="paramname"><em>del_string</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Delete the inner structure of the string and frees the string itself from the heap. Must not be called on stack variables.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">del_string</td><td>the string to delete </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="af2a0fc4dd4109749d8f3100a913cc304"></a>
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<td class="memname">void write_file </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structstring.html">string</a> const *&#160;</td>
<td class="paramname"><em>wstring</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char const *const&#160;</td>
<td class="paramname"><em>filename</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Write a string to a file. The file will be pruned or created if it does not exist.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">wstring</td><td>the string to write to the file </td></tr>
<tr><td class="paramname">filename</td><td>the name of the file to write to </td></tr>
</table>
</dd>
</dl>
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