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< div id = "projectbrief" > Highly optimized implementation of the NTRUEncrypt algorithm< / div >
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< div class = "title" > ntru_poly.c< / div > < / div >
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< a href = "ntru__poly_8c.html" > Go to the documentation of this file.< / a > < 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" > * Copyright (C) 2014 FH Bielefeld< / 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" > * This file is part of a FH Bielefeld project.< / 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 >
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< 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,< / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "comment" > * MA 02110-1301 USA< / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "comment" > */< / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "ntru__err_8h.html" > ntru_err.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "ntru__mem_8h.html" > ntru_mem.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "ntru__params_8h.html" > ntru_params.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "ntru__poly_8h.html" > ntru_poly.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "preprocessor" > #include < stdarg.h> < / span > < / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "preprocessor" > #include < stdbool.h> < / span > < / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "preprocessor" > #include < stdint.h> < / span > < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "preprocessor" > #include < stdio.h> < / span > < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "preprocessor" > #include < stdlib.h> < / span > < / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "preprocessor" > #include < sys/types.h> < / span > < / 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 = "preprocessor" > #include < fmpz_poly.h> < / span > < / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "preprocessor" > #include < fmpz.h> < / span > < / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < span class = "keyword" > static< / span > < / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "ntru__poly_8c.html#a891af13dc4355c9fab9ca3fafcac8054" > poly_mod2_to_modq< / a > (< span class = "keyword" > const< / span > fmpz_poly_t a,< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   fmpz_poly_t Fq,< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structntru__params.html" > ntru_params< / a > *params);< / 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 >   < / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < span class = "comment" > /*------------------------------------------------------------------------*/< / span > < / 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 = "keyword" > static< / span > < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > < a class = "line" href = "ntru__poly_8c.html#a891af13dc4355c9fab9ca3fafcac8054" > 63< / a > < / span >   < a class = "code" href = "ntru__poly_8c.html#a891af13dc4355c9fab9ca3fafcac8054" > poly_mod2_to_modq< / a > (< span class = "keyword" > const< / span > fmpz_poly_t a,< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   fmpz_poly_t Fq,< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structntru__params.html" > ntru_params< / a > *params)< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   {< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "keywordtype" > int< / span > v = 2;< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   fmpz_poly_t poly_tmp, two;< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   fmpz_poly_init(poly_tmp);< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   fmpz_poly_zero(poly_tmp);< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   fmpz_poly_init(two);< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   fmpz_poly_set_coeff_ui(two, 0, 2);< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "keywordflow" > while< / span > (v < (< span class = "keywordtype" > int< / span > )(params-> < a class = "code" href = "structntru__params.html#a29680750bda49dc93e61a752b2f2a0f7" > q< / a > )) {< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   v = v * 2;< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < a class = "code" href = "ntru__poly_8c.html#ae96f479ddd97af709a0ed50817fd3fb3" > poly_starmultiply< / a > (a, Fq, poly_tmp, params, v);< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   fmpz_poly_sub(poly_tmp, two, poly_tmp);< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < a class = "code" href = "ntru__poly_8c.html#ae7d0d8364dba689df3fb4904610634cc" > fmpz_poly_mod_unsigned< / a > (poly_tmp, v);< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < a class = "code" href = "ntru__poly_8c.html#ae96f479ddd97af709a0ed50817fd3fb3" > poly_starmultiply< / a > (Fq, poly_tmp, Fq, params, v);< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   }< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   fmpz_poly_clear(poly_tmp);< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   fmpz_poly_clear(two);< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < / 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 >   < / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "comment" > /*------------------------------------------------------------------------*/< / span > < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "keywordtype" > int< / span > < / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > < a class = "line" href = "ntru__poly_8h.html#aaaac83ec72414aa208832442657c3520" > 93< / a > < / span >   < a class = "code" href = "ntru__poly_8c.html#aaaac83ec72414aa208832442657c3520" > fmpz_cmp_si_n< / a > (< span class = "keyword" > const< / span > fmpz_t f, slong g)< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   {< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   fmpz_t f_cmp;< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   fmpz_init(f_cmp);< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "keywordflow" > if< / span > (f)< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   fmpz_set(f_cmp, f);< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   fmpz_set_si(f_cmp, 0);< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < span class = "keywordflow" > return< / span > fmpz_cmp_si(f_cmp, g);< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   }< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "comment" > /*------------------------------------------------------------------------*/< / span > < / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > < a class = "line" href = "ntru_8h.html#a20f86085d5eb5372fd25dc270069d38c" > 110< / a > < / span >   < a class = "code" href = "ntru__poly_8c.html#a20f86085d5eb5372fd25dc270069d38c" > poly_new< / a > (fmpz_poly_t new_poly,< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > * < span class = "keyword" > const< / span > c,< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > len)< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   {< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   fmpz_poly_init(new_poly);< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < span class = "keywordflow" > for< / span > (uint32_t i = 0; i < len; i++)< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   fmpz_poly_set_coeff_si(new_poly, i, c[i]);< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   }< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < span class = "comment" > /*------------------------------------------------------------------------*/< / span > < / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > < a class = "line" href = "ntru_8h.html#a27ff2116f70bcbf5028219adcae4c5f0" > 123< / a > < / span >   < a class = "code" href = "ntru__poly_8c.html#a27ff2116f70bcbf5028219adcae4c5f0" > poly_delete< / a > (fmpz_poly_t poly)< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   {< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   fmpz_poly_clear(poly);< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   }< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < span class = "comment" > /*------------------------------------------------------------------------*/< / span > < / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > < a class = "line" href = "ntru_8h.html#a3f53c63383ff301b20dcede0783869a7" > 131< / a > < / span >   < a class = "code" href = "ntru__poly_8c.html#a3f53c63383ff301b20dcede0783869a7" > poly_delete_array< / a > (fmpz_poly_t **poly_array)< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   {< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   uint32_t i = 0;< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < span class = "keywordflow" > while< / span > (poly_array[i]) {< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < a class = "code" href = "ntru__poly_8c.html#a27ff2116f70bcbf5028219adcae4c5f0" > poly_delete< / a > (*(poly_array[i]));< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   free(poly_array[i]);< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   i++;< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   }< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < span class = "comment" > /* avoid double free */< / span > < / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < span class = "keywordflow" > if< / span > (i > 1)< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   free(poly_array);< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   }< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   < / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < span class = "comment" > /*------------------------------------------------------------------------*/< / span > < / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   < / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > < a class = "line" href = "ntru_8h.html#a83297bc2ab5b6e7ce42553570dd8268f" > 149< / a > < / span >   < a class = "code" href = "ntru__poly_8c.html#a83297bc2ab5b6e7ce42553570dd8268f" > poly_delete_all< / a > (fmpz_poly_t poly, ...)< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   {< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   fmpz_poly_struct *next_poly;< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   va_list args;< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   < / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   next_poly = poly;< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   va_start(args, poly);< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < span class = "keywordflow" > while< / span > (next_poly != NULL) {< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   < a class = "code" href = "ntru__poly_8c.html#a27ff2116f70bcbf5028219adcae4c5f0" > poly_delete< / a > (next_poly);< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   next_poly = va_arg(args, fmpz_poly_struct*);< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   }< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   va_end(args);< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   }< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   < / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   < span class = "comment" > /*------------------------------------------------------------------------*/< / span > < / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > < a class = "line" href = "ntru__poly_8h.html#ae7d0d8364dba689df3fb4904610634cc" > 166< / a > < / span >   < a class = "code" href = "ntru__poly_8c.html#ae7d0d8364dba689df3fb4904610634cc" > fmpz_poly_mod_unsigned< / a > (fmpz_poly_t a,< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < span class = "keyword" > const< / span > uint32_t mod)< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   {< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   nmod_poly_t nmod_tmp;< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   < / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   nmod_poly_init(nmod_tmp, mod);< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   fmpz_poly_get_nmod_poly(nmod_tmp, a);< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   fmpz_poly_set_nmod_poly_unsigned(a, nmod_tmp);< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   nmod_poly_clear(nmod_tmp);< / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   }< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < span class = "comment" > /*------------------------------------------------------------------------*/< / span > < / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > < a class = "line" href = "ntru__poly_8h.html#a7c4f5e96355518dc97a23da8f34b661a" > 182< / a > < / span >   < a class = "code" href = "ntru__poly_8c.html#a7c4f5e96355518dc97a23da8f34b661a" > fmpz_poly_mod< / a > (fmpz_poly_t a,< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   < span class = "keyword" > const< / span > uint32_t mod)< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   {< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   nmod_poly_t nmod_tmp;< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   < / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   nmod_poly_init(nmod_tmp, mod);< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   fmpz_poly_get_nmod_poly(nmod_tmp, a);< / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   fmpz_poly_set_nmod_poly(a, nmod_tmp);< / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   < / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   nmod_poly_clear(nmod_tmp);< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   }< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < span class = "comment" > /*------------------------------------------------------------------------*/< / span > < / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > < a class = "line" href = "ntru__poly_8h.html#ab1f966fe680d1ce7c19c8c812d1932a7" > 198< / a > < / span >   < a class = "code" href = "ntru__poly_8c.html#ab1f966fe680d1ce7c19c8c812d1932a7" > fmpz_poly_set_coeff_fmpz_n< / a > (fmpz_poly_t poly, slong n,< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   < span class = "keyword" > const< / span > fmpz_t x)< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   {< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   < span class = "keywordflow" > if< / span > (x)< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   fmpz_poly_set_coeff_fmpz(poly, n, x);< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   fmpz_poly_set_coeff_si(poly, n, 0);< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   }< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   < / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   < span class = "comment" > /*------------------------------------------------------------------------*/< / span > < / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   < / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   < span class = "keywordtype" > int< / span > < / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > < a class = "line" href = "ntru__poly_8h.html#a59da1b7962829af8f18d58c05f588606" > 210< / a > < / span >   < a class = "code" href = "ntru__poly_8c.html#a59da1b7962829af8f18d58c05f588606" > fmpz_invmod_ui< / a > (fmpz_t f, < span class = "keyword" > const< / span > fmpz_t g, < span class = "keyword" > const< / span > uint32_t mod)< / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   {< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   fmpz_t modulus;< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   fmpz_init_set_ui(modulus, mod);< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   < / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   < span class = "keywordflow" > return< / span > fmpz_invmod(f, g, modulus);< / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   }< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   < / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   < span class = "comment" > /*------------------------------------------------------------------------*/< / span > < / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   < / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > < a class = "line" href = "ntru__poly_8h.html#ad2a11e832808ef1cfee0eed1cc02f4b9" > 222< / a > < / span >   < a class = "code" href = "ntru__poly_8c.html#ad2a11e832808ef1cfee0eed1cc02f4b9" > fmpz_add_n< / a > (fmpz_t f, < span class = "keyword" > const< / span > fmpz_t g, < span class = "keyword" > const< / span > fmpz_t h)< / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   {< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   < span class = "keywordflow" > if< / span > (!g & & !h) {< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   fmpz_zero(f);< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   < span class = "keywordflow" > if< / span > (!g & & h)< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   fmpz_add_ui(f, h, 0);< / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (g & & !h)< / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   fmpz_add_ui(f, g, 0);< / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   fmpz_add(f, g, h);< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   }< / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   }< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   < / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   < span class = "comment" > /*------------------------------------------------------------------------*/< / span > < / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   < / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > < a class = "line" href = "ntru__poly_8h.html#ae96f479ddd97af709a0ed50817fd3fb3" > 239< / a > < / span >   < a class = "code" href = "ntru__poly_8c.html#ae96f479ddd97af709a0ed50817fd3fb3" > poly_starmultiply< / a > (< span class = "keyword" > const< / span > fmpz_poly_t a,< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   < span class = "keyword" > const< / span > fmpz_poly_t b,< / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   fmpz_poly_t c,< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structntru__params.html" > ntru_params< / a > *params,< / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   uint32_t modulus)< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   {< / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   fmpz_poly_t a_tmp;< / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   fmpz_t c_coeff_k;< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   < / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   fmpz_poly_init(a_tmp);< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   fmpz_init(c_coeff_k);< / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   < / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   < span class = "comment" > /* avoid side effects */< / span > < / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   fmpz_poly_set(a_tmp, a);< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   fmpz_poly_zero(c);< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > k = params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > - 1; k > = 0; k--) {< / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < span class = "keywordtype" > int< / span > j;< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   < / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   j = k + 1;< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   < / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   fmpz_set_si(c_coeff_k, 0);< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   < / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > - 1; i > = 0; i--) {< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   fmpz *a_tmp_coeff_i,< / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   *b_coeff_j;< / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   < / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   < span class = "keywordflow" > if< / span > (j == (< span class = "keywordtype" > int< / span > )(params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > ))< / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   j = 0;< / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   < / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   a_tmp_coeff_i = fmpz_poly_get_coeff_ptr(a_tmp, i);< / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   b_coeff_j = fmpz_poly_get_coeff_ptr(b, j);< / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   < / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "ntru__poly_8c.html#aaaac83ec72414aa208832442657c3520" > fmpz_cmp_si_n< / a > (a_tmp_coeff_i, 0) & & < / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   < a class = "code" href = "ntru__poly_8c.html#aaaac83ec72414aa208832442657c3520" > fmpz_cmp_si_n< / a > (b_coeff_j, 0)) {< / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   fmpz_t fmpz_tmp;< / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   < / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   fmpz_init(fmpz_tmp);< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   < / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   fmpz_mul(fmpz_tmp, a_tmp_coeff_i, b_coeff_j);< / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   fmpz_add(fmpz_tmp, fmpz_tmp, c_coeff_k);< / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   fmpz_mod_ui(c_coeff_k, fmpz_tmp, modulus);< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   < / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   fmpz_poly_set_coeff_fmpz(c, k, c_coeff_k);< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   < / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   fmpz_clear(fmpz_tmp);< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   }< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   j++;< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   }< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   fmpz_clear(c_coeff_k);< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   }< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   < / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   fmpz_poly_clear(a_tmp);< / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   }< / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   < / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   < span class = "comment" > /*------------------------------------------------------------------------*/< / span > < / div >
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   < / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   < span class = "keywordtype" > bool< / span > < / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > < a class = "line" href = "ntru__poly_8h.html#ace66beb516186e52f9b5b1ed8a397849" > 297< / a > < / span >   < a class = "code" href = "ntru__poly_8c.html#ace66beb516186e52f9b5b1ed8a397849" > poly_inverse_poly_q< / a > (< span class = "keyword" > const< / span > fmpz_poly_t a,< / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   fmpz_poly_t Fq,< / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structntru__params.html" > ntru_params< / a > *params)< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   {< / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   < span class = "keywordtype" > bool< / span > retval = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   < span class = "keywordtype" > int< / span > k = 0,< / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   j = 0;< / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   fmpz *b_last;< / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   fmpz_poly_t a_tmp,< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   b,< / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   c,< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   f,< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   g;< / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   < / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   < span class = "comment" > /* general initialization of temp variables */< / span > < / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   fmpz_poly_init(b);< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   fmpz_poly_set_coeff_ui(b, 0, 1);< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   fmpz_poly_init(c);< / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   fmpz_poly_init(f);< / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   fmpz_poly_set(f, a);< / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   < / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   < span class = "comment" > /* set g(x) = x^N − < / span > < / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   fmpz_poly_init(g);< / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   fmpz_poly_set_coeff_si(g, 0, -1);< / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   fmpz_poly_set_coeff_si(g, params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > , 1);< / div >
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   < / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   < span class = "comment" > /* avoid side effects */< / span > < / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   fmpz_poly_init(a_tmp);< / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   fmpz_poly_set(a_tmp, a);< / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   fmpz_poly_zero(Fq);< / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   < / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   < span class = "keywordflow" > while< / span > (1) {< / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   < span class = "keywordflow" > while< / span > (fmpz_is_zero(fmpz_poly_get_coeff_ptr(f, 0))) {< / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   < span class = "keywordflow" > for< / span > (uint32_t i = 1; i < = params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > ; i++) {< / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   fmpz *f_coeff = fmpz_poly_get_coeff_ptr(f, i);< / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   fmpz *c_coeff = fmpz_poly_get_coeff_ptr(c, params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > - i);< / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   < / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   < span class = "comment" > /* f(x) = f(x) / x */< / span > < / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   < a class = "code" href = "ntru__poly_8c.html#ab1f966fe680d1ce7c19c8c812d1932a7" > fmpz_poly_set_coeff_fmpz_n< / a > (f, i - 1,< / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   f_coeff);< / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   < / div >
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   < span class = "comment" > /* c(x) = c(x) * x */< / span > < / div >
< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > 339< / span >   < a class = "code" href = "ntru__poly_8c.html#ab1f966fe680d1ce7c19c8c812d1932a7" > fmpz_poly_set_coeff_fmpz_n< / a > (c, params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > + 1 - i,< / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   c_coeff);< / div >
< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   }< / div >
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   < / div >
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   fmpz_poly_set_coeff_si(f, params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > , 0);< / div >
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   fmpz_poly_set_coeff_si(c, 0, 0);< / div >
< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   < / div >
< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   k++;< / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > 347< / span >   < / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   < span class = "keywordflow" > if< / span > (fmpz_poly_degree(f) == -1)< / div >
< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > 349< / span >   < span class = "keywordflow" > goto< / span > _cleanup;< / div >
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   }< / div >
< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > 351< / span >   < / div >
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   < span class = "keywordflow" > if< / span > (fmpz_poly_degree(f) == 0)< / div >
< div class = "line" > < a name = "l00353" > < / a > < span class = "lineno" > 353< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00354" > < / a > < span class = "lineno" > 354< / span >   < / div >
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   < span class = "keywordflow" > if< / span > (fmpz_poly_degree(f) < fmpz_poly_degree(g)) {< / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   fmpz_poly_swap(f, g);< / div >
< div class = "line" > < a name = "l00357" > < / a > < span class = "lineno" > 357< / span >   fmpz_poly_swap(b, c);< / div >
< div class = "line" > < a name = "l00358" > < / a > < span class = "lineno" > 358< / span >   }< / div >
< div class = "line" > < a name = "l00359" > < / a > < span class = "lineno" > 359< / span >   < / div >
< div class = "line" > < a name = "l00360" > < / a > < span class = "lineno" > 360< / span >   fmpz_poly_add(f, g, f);< / div >
< div class = "line" > < a name = "l00361" > < / a > < span class = "lineno" > 361< / span >   < a class = "code" href = "ntru__poly_8c.html#ae7d0d8364dba689df3fb4904610634cc" > fmpz_poly_mod_unsigned< / a > (f, 2);< / div >
< div class = "line" > < a name = "l00362" > < / a > < span class = "lineno" > 362< / span >   < / div >
< div class = "line" > < a name = "l00363" > < / a > < span class = "lineno" > 363< / span >   fmpz_poly_add(b, c, b);< / div >
< div class = "line" > < a name = "l00364" > < / a > < span class = "lineno" > 364< / span >   < a class = "code" href = "ntru__poly_8c.html#ae7d0d8364dba689df3fb4904610634cc" > fmpz_poly_mod_unsigned< / a > (b, 2);< / div >
< div class = "line" > < a name = "l00365" > < / a > < span class = "lineno" > 365< / span >   }< / div >
< div class = "line" > < a name = "l00366" > < / a > < span class = "lineno" > 366< / span >   < / div >
< div class = "line" > < a name = "l00367" > < / a > < span class = "lineno" > 367< / span >   k = k % params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > ;< / div >
< div class = "line" > < a name = "l00368" > < / a > < span class = "lineno" > 368< / span >   < / div >
< div class = "line" > < a name = "l00369" > < / a > < span class = "lineno" > 369< / span >   b_last = fmpz_poly_get_coeff_ptr(b, params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > );< / div >
< div class = "line" > < a name = "l00370" > < / a > < span class = "lineno" > 370< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "ntru__poly_8c.html#aaaac83ec72414aa208832442657c3520" > fmpz_cmp_si_n< / a > (b_last, 0))< / div >
< div class = "line" > < a name = "l00371" > < / a > < span class = "lineno" > 371< / span >   < span class = "keywordflow" > goto< / span > _cleanup;< / div >
< div class = "line" > < a name = "l00372" > < / a > < span class = "lineno" > 372< / span >   < / div >
< div class = "line" > < a name = "l00373" > < / a > < span class = "lineno" > 373< / span >   < span class = "comment" > /* Fq(x) = x^(N-k) * b(x) */< / span > < / div >
< div class = "line" > < a name = "l00374" > < / a > < span class = "lineno" > 374< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > - 1; i > = 0; i--) {< / div >
< div class = "line" > < a name = "l00375" > < / a > < span class = "lineno" > 375< / span >   fmpz *b_i;< / div >
< div class = "line" > < a name = "l00376" > < / a > < span class = "lineno" > 376< / span >   < / div >
< div class = "line" > < a name = "l00377" > < / a > < span class = "lineno" > 377< / span >   j = i - k;< / div >
< div class = "line" > < a name = "l00378" > < / a > < span class = "lineno" > 378< / span >   < / div >
< div class = "line" > < a name = "l00379" > < / a > < span class = "lineno" > 379< / span >   < span class = "keywordflow" > if< / span > (j < 0)< / div >
< div class = "line" > < a name = "l00380" > < / a > < span class = "lineno" > 380< / span >   j = j + params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > ;< / div >
< div class = "line" > < a name = "l00381" > < / a > < span class = "lineno" > 381< / span >   < / div >
< div class = "line" > < a name = "l00382" > < / a > < span class = "lineno" > 382< / span >   b_i = fmpz_poly_get_coeff_ptr(b, i);< / div >
< div class = "line" > < a name = "l00383" > < / a > < span class = "lineno" > 383< / span >   < a class = "code" href = "ntru__poly_8c.html#ab1f966fe680d1ce7c19c8c812d1932a7" > fmpz_poly_set_coeff_fmpz_n< / a > (Fq, j, b_i);< / div >
< div class = "line" > < a name = "l00384" > < / a > < span class = "lineno" > 384< / span >   }< / div >
< div class = "line" > < a name = "l00385" > < / a > < span class = "lineno" > 385< / span >   < / div >
< div class = "line" > < a name = "l00386" > < / a > < span class = "lineno" > 386< / span >   < a class = "code" href = "ntru__poly_8c.html#a891af13dc4355c9fab9ca3fafcac8054" > poly_mod2_to_modq< / a > (a_tmp, Fq, params);< / div >
< div class = "line" > < a name = "l00387" > < / a > < span class = "lineno" > 387< / span >   < / div >
< div class = "line" > < a name = "l00388" > < / a > < span class = "lineno" > 388< / span >   < span class = "comment" > /* check if the f * Fq = 1 (mod p) condition holds true */< / span > < / div >
< div class = "line" > < a name = "l00389" > < / a > < span class = "lineno" > 389< / span >   fmpz_poly_set(a_tmp, a);< / div >
< div class = "line" > < a name = "l00390" > < / a > < span class = "lineno" > 390< / span >   < a class = "code" href = "ntru__poly_8c.html#ae96f479ddd97af709a0ed50817fd3fb3" > poly_starmultiply< / a > (a_tmp, Fq, a_tmp, params, params-> < a class = "code" href = "structntru__params.html#a29680750bda49dc93e61a752b2f2a0f7" > q< / a > );< / div >
< div class = "line" > < a name = "l00391" > < / a > < span class = "lineno" > 391< / span >   < span class = "keywordflow" > if< / span > (fmpz_poly_is_one(a_tmp))< / div >
< div class = "line" > < a name = "l00392" > < / a > < span class = "lineno" > 392< / span >   retval = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00393" > < / a > < span class = "lineno" > 393< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00394" > < / a > < span class = "lineno" > 394< / span >   fmpz_poly_zero(Fq);< / div >
< div class = "line" > < a name = "l00395" > < / a > < span class = "lineno" > 395< / span >   < / div >
< div class = "line" > < a name = "l00396" > < / a > < span class = "lineno" > 396< / span >   _cleanup:< / div >
< div class = "line" > < a name = "l00397" > < / a > < span class = "lineno" > 397< / span >   fmpz_poly_clear(a_tmp);< / div >
< div class = "line" > < a name = "l00398" > < / a > < span class = "lineno" > 398< / span >   fmpz_poly_clear(b);< / div >
< div class = "line" > < a name = "l00399" > < / a > < span class = "lineno" > 399< / span >   fmpz_poly_clear(c);< / div >
< div class = "line" > < a name = "l00400" > < / a > < span class = "lineno" > 400< / span >   fmpz_poly_clear(f);< / div >
< div class = "line" > < a name = "l00401" > < / a > < span class = "lineno" > 401< / span >   fmpz_poly_clear(g);< / div >
< div class = "line" > < a name = "l00402" > < / a > < span class = "lineno" > 402< / span >   < / div >
< div class = "line" > < a name = "l00403" > < / a > < span class = "lineno" > 403< / span >   < span class = "keywordflow" > return< / span > retval;< / div >
< div class = "line" > < a name = "l00404" > < / a > < span class = "lineno" > 404< / span >   }< / div >
< div class = "line" > < a name = "l00405" > < / a > < span class = "lineno" > 405< / span >   < / div >
< div class = "line" > < a name = "l00406" > < / a > < span class = "lineno" > 406< / span >   < span class = "comment" > /*------------------------------------------------------------------------*/< / span > < / div >
< div class = "line" > < a name = "l00407" > < / a > < span class = "lineno" > 407< / span >   < / div >
< div class = "line" > < a name = "l00408" > < / a > < span class = "lineno" > 408< / span >   < span class = "keywordtype" > bool< / span > < / div >
< div class = "line" > < a name = "l00409" > < / a > < span class = "lineno" > < a class = "line" href = "ntru__poly_8h.html#ae77b2014df42e5ed612206d5930ac608" > 409< / a > < / span >   < a class = "code" href = "ntru__poly_8c.html#ae77b2014df42e5ed612206d5930ac608" > poly_inverse_poly_p< / a > (< span class = "keyword" > const< / span > fmpz_poly_t a,< / div >
< div class = "line" > < a name = "l00410" > < / a > < span class = "lineno" > 410< / span >   fmpz_poly_t Fp,< / div >
< div class = "line" > < a name = "l00411" > < / a > < span class = "lineno" > 411< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structntru__params.html" > ntru_params< / a > *params)< / div >
< div class = "line" > < a name = "l00412" > < / a > < span class = "lineno" > 412< / span >   {< / div >
< div class = "line" > < a name = "l00413" > < / a > < span class = "lineno" > 413< / span >   < span class = "keywordtype" > bool< / span > retval = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00414" > < / a > < span class = "lineno" > 414< / span >   < span class = "keywordtype" > int< / span > k = 0,< / div >
< div class = "line" > < a name = "l00415" > < / a > < span class = "lineno" > 415< / span >   j = 0;< / div >
< div class = "line" > < a name = "l00416" > < / a > < span class = "lineno" > 416< / span >   fmpz *b_last;< / div >
< div class = "line" > < a name = "l00417" > < / a > < span class = "lineno" > 417< / span >   fmpz_poly_t a_tmp,< / div >
< div class = "line" > < a name = "l00418" > < / a > < span class = "lineno" > 418< / span >   b,< / div >
< div class = "line" > < a name = "l00419" > < / a > < span class = "lineno" > 419< / span >   c,< / div >
< div class = "line" > < a name = "l00420" > < / a > < span class = "lineno" > 420< / span >   f,< / div >
< div class = "line" > < a name = "l00421" > < / a > < span class = "lineno" > 421< / span >   g;< / div >
< div class = "line" > < a name = "l00422" > < / a > < span class = "lineno" > 422< / span >   < / div >
< div class = "line" > < a name = "l00423" > < / a > < span class = "lineno" > 423< / span >   < span class = "comment" > /* general initialization of temp variables */< / span > < / div >
< div class = "line" > < a name = "l00424" > < / a > < span class = "lineno" > 424< / span >   fmpz_poly_init(b);< / div >
< div class = "line" > < a name = "l00425" > < / a > < span class = "lineno" > 425< / span >   fmpz_poly_set_coeff_ui(b, 0, 1);< / div >
< div class = "line" > < a name = "l00426" > < / a > < span class = "lineno" > 426< / span >   fmpz_poly_init(c);< / div >
< div class = "line" > < a name = "l00427" > < / a > < span class = "lineno" > 427< / span >   fmpz_poly_init(f);< / div >
< div class = "line" > < a name = "l00428" > < / a > < span class = "lineno" > 428< / span >   fmpz_poly_set(f, a);< / div >
< div class = "line" > < a name = "l00429" > < / a > < span class = "lineno" > 429< / span >   < / div >
< div class = "line" > < a name = "l00430" > < / a > < span class = "lineno" > 430< / span >   < span class = "comment" > /* set g(x) = x^N − < / span > < / div >
< div class = "line" > < a name = "l00431" > < / a > < span class = "lineno" > 431< / span >   fmpz_poly_init(g);< / div >
< div class = "line" > < a name = "l00432" > < / a > < span class = "lineno" > 432< / span >   fmpz_poly_set_coeff_si(g, 0, -1);< / div >
< div class = "line" > < a name = "l00433" > < / a > < span class = "lineno" > 433< / span >   fmpz_poly_set_coeff_si(g, params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > , 1);< / div >
< div class = "line" > < a name = "l00434" > < / a > < span class = "lineno" > 434< / span >   < / div >
< div class = "line" > < a name = "l00435" > < / a > < span class = "lineno" > 435< / span >   < span class = "comment" > /* avoid side effects */< / span > < / div >
< div class = "line" > < a name = "l00436" > < / a > < span class = "lineno" > 436< / span >   fmpz_poly_init(a_tmp);< / div >
< div class = "line" > < a name = "l00437" > < / a > < span class = "lineno" > 437< / span >   fmpz_poly_set(a_tmp, a);< / div >
< div class = "line" > < a name = "l00438" > < / a > < span class = "lineno" > 438< / span >   fmpz_poly_zero(Fp);< / div >
< div class = "line" > < a name = "l00439" > < / a > < span class = "lineno" > 439< / span >   < / div >
< div class = "line" > < a name = "l00440" > < / a > < span class = "lineno" > 440< / span >   < span class = "keywordflow" > while< / span > (1) {< / div >
< div class = "line" > < a name = "l00441" > < / a > < span class = "lineno" > 441< / span >   < span class = "keywordflow" > while< / span > (fmpz_is_zero(fmpz_poly_get_coeff_ptr(f, 0))) {< / div >
< div class = "line" > < a name = "l00442" > < / a > < span class = "lineno" > 442< / span >   < span class = "keywordflow" > for< / span > (uint32_t i = 1; i < = params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > ; i++) {< / div >
< div class = "line" > < a name = "l00443" > < / a > < span class = "lineno" > 443< / span >   fmpz *f_coeff = fmpz_poly_get_coeff_ptr(f, i);< / div >
< div class = "line" > < a name = "l00444" > < / a > < span class = "lineno" > 444< / span >   fmpz *c_coeff = fmpz_poly_get_coeff_ptr(c, params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > - i);< / div >
< div class = "line" > < a name = "l00445" > < / a > < span class = "lineno" > 445< / span >   < / div >
< div class = "line" > < a name = "l00446" > < / a > < span class = "lineno" > 446< / span >   < span class = "comment" > /* f(x) = f(x) / x */< / span > < / div >
< div class = "line" > < a name = "l00447" > < / a > < span class = "lineno" > 447< / span >   < a class = "code" href = "ntru__poly_8c.html#ab1f966fe680d1ce7c19c8c812d1932a7" > fmpz_poly_set_coeff_fmpz_n< / a > (f, i - 1,< / div >
< div class = "line" > < a name = "l00448" > < / a > < span class = "lineno" > 448< / span >   f_coeff);< / div >
< div class = "line" > < a name = "l00449" > < / a > < span class = "lineno" > 449< / span >   < / div >
< div class = "line" > < a name = "l00450" > < / a > < span class = "lineno" > 450< / span >   < span class = "comment" > /* c(x) = c(x) * x */< / span > < / div >
< div class = "line" > < a name = "l00451" > < / a > < span class = "lineno" > 451< / span >   < a class = "code" href = "ntru__poly_8c.html#ab1f966fe680d1ce7c19c8c812d1932a7" > fmpz_poly_set_coeff_fmpz_n< / a > (c, params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > + 1 - i,< / div >
< div class = "line" > < a name = "l00452" > < / a > < span class = "lineno" > 452< / span >   c_coeff);< / div >
< div class = "line" > < a name = "l00453" > < / a > < span class = "lineno" > 453< / span >   }< / div >
< div class = "line" > < a name = "l00454" > < / a > < span class = "lineno" > 454< / span >   < / div >
< div class = "line" > < a name = "l00455" > < / a > < span class = "lineno" > 455< / span >   fmpz_poly_set_coeff_si(f, params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > , 0);< / div >
< div class = "line" > < a name = "l00456" > < / a > < span class = "lineno" > 456< / span >   fmpz_poly_set_coeff_si(c, 0, 0);< / div >
< div class = "line" > < a name = "l00457" > < / a > < span class = "lineno" > 457< / span >   < / div >
< div class = "line" > < a name = "l00458" > < / a > < span class = "lineno" > 458< / span >   k++;< / div >
< div class = "line" > < a name = "l00459" > < / a > < span class = "lineno" > 459< / span >   < / div >
< div class = "line" > < a name = "l00460" > < / a > < span class = "lineno" > 460< / span >   < span class = "keywordflow" > if< / span > (fmpz_poly_degree(f) == -1)< / div >
< div class = "line" > < a name = "l00461" > < / a > < span class = "lineno" > 461< / span >   < span class = "keywordflow" > goto< / span > cleanup;< / div >
< div class = "line" > < a name = "l00462" > < / a > < span class = "lineno" > 462< / span >   }< / div >
< div class = "line" > < a name = "l00463" > < / a > < span class = "lineno" > 463< / span >   < / div >
< div class = "line" > < a name = "l00464" > < / a > < span class = "lineno" > 464< / span >   < span class = "keywordflow" > if< / span > (fmpz_poly_degree(f) == 0)< / div >
< div class = "line" > < a name = "l00465" > < / a > < span class = "lineno" > 465< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00466" > < / a > < span class = "lineno" > 466< / span >   < / div >
< div class = "line" > < a name = "l00467" > < / a > < span class = "lineno" > 467< / span >   < span class = "keywordflow" > if< / span > (fmpz_poly_degree(f) < fmpz_poly_degree(g)) {< / div >
< div class = "line" > < a name = "l00468" > < / a > < span class = "lineno" > 468< / span >   < span class = "comment" > /* exchange f and g and exchange b and c */< / span > < / div >
< div class = "line" > < a name = "l00469" > < / a > < span class = "lineno" > 469< / span >   fmpz_poly_swap(f, g);< / div >
< div class = "line" > < a name = "l00470" > < / a > < span class = "lineno" > 470< / span >   fmpz_poly_swap(b, c);< / div >
< div class = "line" > < a name = "l00471" > < / a > < span class = "lineno" > 471< / span >   }< / div >
< div class = "line" > < a name = "l00472" > < / a > < span class = "lineno" > 472< / span >   < / div >
< div class = "line" > < a name = "l00473" > < / a > < span class = "lineno" > 473< / span >   {< / div >
< div class = "line" > < a name = "l00474" > < / a > < span class = "lineno" > 474< / span >   fmpz_poly_t c_tmp,< / div >
< div class = "line" > < a name = "l00475" > < / a > < span class = "lineno" > 475< / span >   g_tmp;< / div >
< div class = "line" > < a name = "l00476" > < / a > < span class = "lineno" > 476< / span >   fmpz_t u,< / div >
< div class = "line" > < a name = "l00477" > < / a > < span class = "lineno" > 477< / span >   mp_tmp;< / div >
< div class = "line" > < a name = "l00478" > < / a > < span class = "lineno" > 478< / span >   < / div >
< div class = "line" > < a name = "l00479" > < / a > < span class = "lineno" > 479< / span >   fmpz_init(u);< / div >
< div class = "line" > < a name = "l00480" > < / a > < span class = "lineno" > 480< / span >   fmpz_zero(u);< / div >
< div class = "line" > < a name = "l00481" > < / a > < span class = "lineno" > 481< / span >   < / div >
< div class = "line" > < a name = "l00482" > < / a > < span class = "lineno" > 482< / span >   fmpz_init_set(mp_tmp, fmpz_poly_get_coeff_ptr(f, 0));< / div >
< div class = "line" > < a name = "l00483" > < / a > < span class = "lineno" > 483< / span >   < / div >
< div class = "line" > < a name = "l00484" > < / a > < span class = "lineno" > 484< / span >   fmpz_poly_init(g_tmp);< / div >
< div class = "line" > < a name = "l00485" > < / a > < span class = "lineno" > 485< / span >   fmpz_poly_set(g_tmp, g);< / div >
< div class = "line" > < a name = "l00486" > < / a > < span class = "lineno" > 486< / span >   < / div >
< div class = "line" > < a name = "l00487" > < / a > < span class = "lineno" > 487< / span >   fmpz_poly_init(c_tmp);< / div >
< div class = "line" > < a name = "l00488" > < / a > < span class = "lineno" > 488< / span >   fmpz_poly_set(c_tmp, c);< / div >
< div class = "line" > < a name = "l00489" > < / a > < span class = "lineno" > 489< / span >   < / div >
< div class = "line" > < a name = "l00490" > < / a > < span class = "lineno" > 490< / span >   < span class = "comment" > /* u = f[0] * g[0]^(-1) mod p */< / span > < / div >
< div class = "line" > < a name = "l00491" > < / a > < span class = "lineno" > 491< / span >   < span class = "comment" > /* = (f[0] mod p) * (g[0] inverse mod p) mod p */< / span > < / div >
< div class = "line" > < a name = "l00492" > < / a > < span class = "lineno" > 492< / span >   < a class = "code" href = "ntru__poly_8c.html#a59da1b7962829af8f18d58c05f588606" > fmpz_invmod_ui< / a > (u,< / div >
< div class = "line" > < a name = "l00493" > < / a > < span class = "lineno" > 493< / span >   fmpz_poly_get_coeff_ptr(g, 0),< / div >
< div class = "line" > < a name = "l00494" > < / a > < span class = "lineno" > 494< / span >   params-> < a class = "code" href = "structntru__params.html#a41b368825e1eb126604e13e8f549ec8f" > p< / a > );< / div >
< div class = "line" > < a name = "l00495" > < / a > < span class = "lineno" > 495< / span >   fmpz_mod_ui(mp_tmp, mp_tmp, params-> < a class = "code" href = "structntru__params.html#a41b368825e1eb126604e13e8f549ec8f" > p< / a > );< / div >
< div class = "line" > < a name = "l00496" > < / a > < span class = "lineno" > 496< / span >   fmpz_mul(u, mp_tmp, u);< / div >
< div class = "line" > < a name = "l00497" > < / a > < span class = "lineno" > 497< / span >   fmpz_mod_ui(u, u, params-> < a class = "code" href = "structntru__params.html#a41b368825e1eb126604e13e8f549ec8f" > p< / a > );< / div >
< div class = "line" > < a name = "l00498" > < / a > < span class = "lineno" > 498< / span >   < / div >
< div class = "line" > < a name = "l00499" > < / a > < span class = "lineno" > 499< / span >   < span class = "comment" > /* f = f - u * g mod p */< / span > < / div >
< div class = "line" > < a name = "l00500" > < / a > < span class = "lineno" > 500< / span >   fmpz_poly_scalar_mul_fmpz(g_tmp, g_tmp, u);< / div >
< div class = "line" > < a name = "l00501" > < / a > < span class = "lineno" > 501< / span >   fmpz_poly_sub(f, g_tmp, f);< / div >
< div class = "line" > < a name = "l00502" > < / a > < span class = "lineno" > 502< / span >   < a class = "code" href = "ntru__poly_8c.html#ae7d0d8364dba689df3fb4904610634cc" > fmpz_poly_mod_unsigned< / a > (f, params-> < a class = "code" href = "structntru__params.html#a41b368825e1eb126604e13e8f549ec8f" > p< / a > );< / div >
< div class = "line" > < a name = "l00503" > < / a > < span class = "lineno" > 503< / span >   < / div >
< div class = "line" > < a name = "l00504" > < / a > < span class = "lineno" > 504< / span >   < span class = "comment" > /* b = b - u * c mod p */< / span > < / div >
< div class = "line" > < a name = "l00505" > < / a > < span class = "lineno" > 505< / span >   fmpz_poly_scalar_mul_fmpz(c_tmp, c_tmp, u);< / div >
< div class = "line" > < a name = "l00506" > < / a > < span class = "lineno" > 506< / span >   fmpz_poly_sub(b, c_tmp, b);< / div >
< div class = "line" > < a name = "l00507" > < / a > < span class = "lineno" > 507< / span >   < a class = "code" href = "ntru__poly_8c.html#ae7d0d8364dba689df3fb4904610634cc" > fmpz_poly_mod_unsigned< / a > (b, params-> < a class = "code" href = "structntru__params.html#a41b368825e1eb126604e13e8f549ec8f" > p< / a > );< / div >
< div class = "line" > < a name = "l00508" > < / a > < span class = "lineno" > 508< / span >   < / div >
< div class = "line" > < a name = "l00509" > < / a > < span class = "lineno" > 509< / span >   fmpz_clear(u);< / div >
< div class = "line" > < a name = "l00510" > < / a > < span class = "lineno" > 510< / span >   fmpz_poly_clear(g_tmp);< / div >
< div class = "line" > < a name = "l00511" > < / a > < span class = "lineno" > 511< / span >   fmpz_poly_clear(c_tmp);< / div >
< div class = "line" > < a name = "l00512" > < / a > < span class = "lineno" > 512< / span >   }< / div >
< div class = "line" > < a name = "l00513" > < / a > < span class = "lineno" > 513< / span >   }< / div >
< div class = "line" > < a name = "l00514" > < / a > < span class = "lineno" > 514< / span >   < / div >
< div class = "line" > < a name = "l00515" > < / a > < span class = "lineno" > 515< / span >   k = k % params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > ;< / div >
< div class = "line" > < a name = "l00516" > < / a > < span class = "lineno" > 516< / span >   < / div >
< div class = "line" > < a name = "l00517" > < / a > < span class = "lineno" > 517< / span >   b_last = fmpz_poly_get_coeff_ptr(b, params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > );< / div >
< div class = "line" > < a name = "l00518" > < / a > < span class = "lineno" > 518< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "ntru__poly_8c.html#aaaac83ec72414aa208832442657c3520" > fmpz_cmp_si_n< / a > (b_last, 0))< / div >
< div class = "line" > < a name = "l00519" > < / a > < span class = "lineno" > 519< / span >   < span class = "keywordflow" > goto< / span > cleanup;< / div >
< div class = "line" > < a name = "l00520" > < / a > < span class = "lineno" > 520< / span >   < / div >
< div class = "line" > < a name = "l00521" > < / a > < span class = "lineno" > 521< / span >   < span class = "comment" > /* Fp(x) = x^(N-k) * b(x) */< / span > < / div >
< div class = "line" > < a name = "l00522" > < / a > < span class = "lineno" > 522< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > - 1; i > = 0; i--) {< / div >
< div class = "line" > < a name = "l00523" > < / a > < span class = "lineno" > 523< / span >   fmpz *b_i;< / div >
< div class = "line" > < a name = "l00524" > < / a > < span class = "lineno" > 524< / span >   < / div >
< div class = "line" > < a name = "l00525" > < / a > < span class = "lineno" > 525< / span >   < span class = "comment" > /* b(X) = f[0]^(-1) * b(X) (mod p) */< / span > < / div >
< div class = "line" > < a name = "l00526" > < / a > < span class = "lineno" > 526< / span >   {< / div >
< div class = "line" > < a name = "l00527" > < / a > < span class = "lineno" > 527< / span >   fmpz_t mp_tmp;< / div >
< div class = "line" > < a name = "l00528" > < / a > < span class = "lineno" > 528< / span >   < / div >
< div class = "line" > < a name = "l00529" > < / a > < span class = "lineno" > 529< / span >   fmpz_init(mp_tmp);< / div >
< div class = "line" > < a name = "l00530" > < / a > < span class = "lineno" > 530< / span >   < / div >
< div class = "line" > < a name = "l00531" > < / a > < span class = "lineno" > 531< / span >   < a class = "code" href = "ntru__poly_8c.html#a59da1b7962829af8f18d58c05f588606" > fmpz_invmod_ui< / a > (mp_tmp,< / div >
< div class = "line" > < a name = "l00532" > < / a > < span class = "lineno" > 532< / span >   fmpz_poly_get_coeff_ptr(f, 0),< / div >
< div class = "line" > < a name = "l00533" > < / a > < span class = "lineno" > 533< / span >   params-> < a class = "code" href = "structntru__params.html#a41b368825e1eb126604e13e8f549ec8f" > p< / a > );< / div >
< div class = "line" > < a name = "l00534" > < / a > < span class = "lineno" > 534< / span >   < / div >
< div class = "line" > < a name = "l00535" > < / a > < span class = "lineno" > 535< / span >   < span class = "keywordflow" > if< / span > (fmpz_poly_get_coeff_ptr(b, i)) {< / div >
< div class = "line" > < a name = "l00536" > < / a > < span class = "lineno" > 536< / span >   fmpz_mul(fmpz_poly_get_coeff_ptr(b, i),< / div >
< div class = "line" > < a name = "l00537" > < / a > < span class = "lineno" > 537< / span >   fmpz_poly_get_coeff_ptr(b, i),< / div >
< div class = "line" > < a name = "l00538" > < / a > < span class = "lineno" > 538< / span >   mp_tmp);< / div >
< div class = "line" > < a name = "l00539" > < / a > < span class = "lineno" > 539< / span >   fmpz_mod_ui(fmpz_poly_get_coeff_ptr(b, i),< / div >
< div class = "line" > < a name = "l00540" > < / a > < span class = "lineno" > 540< / span >   fmpz_poly_get_coeff_ptr(b, i),< / div >
< div class = "line" > < a name = "l00541" > < / a > < span class = "lineno" > 541< / span >   params-> < a class = "code" href = "structntru__params.html#a41b368825e1eb126604e13e8f549ec8f" > p< / a > );< / div >
< div class = "line" > < a name = "l00542" > < / a > < span class = "lineno" > 542< / span >   }< / div >
< div class = "line" > < a name = "l00543" > < / a > < span class = "lineno" > 543< / span >   }< / div >
< div class = "line" > < a name = "l00544" > < / a > < span class = "lineno" > 544< / span >   < / div >
< div class = "line" > < a name = "l00545" > < / a > < span class = "lineno" > 545< / span >   j = i - k;< / div >
< div class = "line" > < a name = "l00546" > < / a > < span class = "lineno" > 546< / span >   < span class = "keywordflow" > if< / span > (j < 0)< / div >
< div class = "line" > < a name = "l00547" > < / a > < span class = "lineno" > 547< / span >   j = j + params-> < a class = "code" href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > N< / a > ;< / div >
< div class = "line" > < a name = "l00548" > < / a > < span class = "lineno" > 548< / span >   < / div >
< div class = "line" > < a name = "l00549" > < / a > < span class = "lineno" > 549< / span >   b_i = fmpz_poly_get_coeff_ptr(b, i);< / div >
< div class = "line" > < a name = "l00550" > < / a > < span class = "lineno" > 550< / span >   < a class = "code" href = "ntru__poly_8c.html#ab1f966fe680d1ce7c19c8c812d1932a7" > fmpz_poly_set_coeff_fmpz_n< / a > (Fp, j, b_i);< / div >
< div class = "line" > < a name = "l00551" > < / a > < span class = "lineno" > 551< / span >   }< / div >
< div class = "line" > < a name = "l00552" > < / a > < span class = "lineno" > 552< / span >   < / div >
< div class = "line" > < a name = "l00553" > < / a > < span class = "lineno" > 553< / span >   < span class = "comment" > /* check if the f * Fp = 1 (mod p) condition holds true */< / span > < / div >
< div class = "line" > < a name = "l00554" > < / a > < span class = "lineno" > 554< / span >   fmpz_poly_set(a_tmp, a);< / div >
< div class = "line" > < a name = "l00555" > < / a > < span class = "lineno" > 555< / span >   < a class = "code" href = "ntru__poly_8c.html#ae96f479ddd97af709a0ed50817fd3fb3" > poly_starmultiply< / a > (a_tmp, Fp, a_tmp, params, params-> < a class = "code" href = "structntru__params.html#a41b368825e1eb126604e13e8f549ec8f" > p< / a > );< / div >
< div class = "line" > < a name = "l00556" > < / a > < span class = "lineno" > 556< / span >   < span class = "keywordflow" > if< / span > (fmpz_poly_is_one(a_tmp))< / div >
< div class = "line" > < a name = "l00557" > < / a > < span class = "lineno" > 557< / span >   retval = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00558" > < / a > < span class = "lineno" > 558< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00559" > < / a > < span class = "lineno" > 559< / span >   fmpz_poly_zero(Fp);< / div >
< div class = "line" > < a name = "l00560" > < / a > < span class = "lineno" > 560< / span >   < / div >
< div class = "line" > < a name = "l00561" > < / a > < span class = "lineno" > 561< / span >   cleanup:< / div >
< div class = "line" > < a name = "l00562" > < / a > < span class = "lineno" > 562< / span >   fmpz_poly_clear(a_tmp);< / div >
< div class = "line" > < a name = "l00563" > < / a > < span class = "lineno" > 563< / span >   fmpz_poly_clear(b);< / div >
< div class = "line" > < a name = "l00564" > < / a > < span class = "lineno" > 564< / span >   fmpz_poly_clear(c);< / div >
< div class = "line" > < a name = "l00565" > < / a > < span class = "lineno" > 565< / span >   fmpz_poly_clear(f);< / div >
< div class = "line" > < a name = "l00566" > < / a > < span class = "lineno" > 566< / span >   fmpz_poly_clear(g);< / div >
< div class = "line" > < a name = "l00567" > < / a > < span class = "lineno" > 567< / span >   < / div >
< div class = "line" > < a name = "l00568" > < / a > < span class = "lineno" > 568< / span >   < span class = "keywordflow" > return< / span > retval;< / div >
< div class = "line" > < a name = "l00569" > < / a > < span class = "lineno" > 569< / span >   }< / div >
< div class = "line" > < a name = "l00570" > < / a > < span class = "lineno" > 570< / span >   < / div >
< div class = "line" > < a name = "l00571" > < / a > < span class = "lineno" > 571< / span >   < span class = "comment" > /*------------------------------------------------------------------------*/< / span > < / div >
< div class = "line" > < a name = "l00572" > < / a > < span class = "lineno" > 572< / span >   < / div >
< div class = "line" > < a name = "l00573" > < / a > < span class = "lineno" > 573< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00574" > < / a > < span class = "lineno" > < a class = "line" href = "ntru_8h.html#a80a8ce0f2944bc3df94291ef2f781498" > 574< / a > < / span >   < a class = "code" href = "ntru__poly_8c.html#a80a8ce0f2944bc3df94291ef2f781498" > poly_draw< / a > (< span class = "keyword" > const< / span > fmpz_poly_t poly)< / div >
< div class = "line" > < a name = "l00575" > < / a > < span class = "lineno" > 575< / span >   {< / div >
< div class = "line" > < a name = "l00576" > < / a > < span class = "lineno" > 576< / span >   fmpz_poly_print(poly);< / div >
< div class = "line" > < a name = "l00577" > < / a > < span class = "lineno" > 577< / span >   flint_printf(< span class = "stringliteral" > " \n" < / span > );< / div >
< div class = "line" > < a name = "l00578" > < / a > < span class = "lineno" > 578< / span >   }< / div >
< div class = "line" > < a name = "l00579" > < / a > < span class = "lineno" > 579< / span >   < / div >
< div class = "line" > < a name = "l00580" > < / a > < span class = "lineno" > 580< / span >   < span class = "comment" > /*------------------------------------------------------------------------*/< / span > < / div >
< div class = "line" > < a name = "l00581" > < / a > < span class = "lineno" > 581< / span >   < / div >
< div class = "line" > < a name = "l00582" > < / a > < span class = "lineno" > 582< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00583" > < / a > < span class = "lineno" > < a class = "line" href = "ntru_8h.html#aec098d00160d2d502eb1f8a7c3fa5453" > 583< / a > < / span >   < a class = "code" href = "ntru__poly_8c.html#aec098d00160d2d502eb1f8a7c3fa5453" > poly_draw_pretty< / a > (< span class = "keyword" > const< / span > fmpz_poly_t poly)< / div >
< div class = "line" > < a name = "l00584" > < / a > < span class = "lineno" > 584< / span >   {< / div >
< div class = "line" > < a name = "l00585" > < / a > < span class = "lineno" > 585< / span >   fmpz_poly_print_pretty(poly, < span class = "stringliteral" > " x" < / span > );< / div >
< div class = "line" > < a name = "l00586" > < / a > < span class = "lineno" > 586< / span >   flint_printf(< span class = "stringliteral" > " \n" < / span > );< / div >
< div class = "line" > < a name = "l00587" > < / a > < span class = "lineno" > 587< / span >   }< / div >
< div class = "line" > < a name = "l00588" > < / a > < span class = "lineno" > 588< / span >   < / div >
< div class = "line" > < a name = "l00589" > < / a > < span class = "lineno" > 589< / span >   < span class = "comment" > /*------------------------------------------------------------------------*/< / span > < / div >
< div class = "ttc" id = "ntru__poly_8c_html_ace66beb516186e52f9b5b1ed8a397849" > < div class = "ttname" > < a href = "ntru__poly_8c.html#ace66beb516186e52f9b5b1ed8a397849" > poly_inverse_poly_q< / a > < / div > < div class = "ttdeci" > bool poly_inverse_poly_q(const fmpz_poly_t a, fmpz_poly_t Fq, const ntru_params *params)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__poly_8c_source.html#l00297" > ntru_poly.c:297< / a > < / div > < / div >
< div class = "ttc" id = "structntru__params_html_afb8425ee3db2b917b3c4e8d9b75bd3ff" > < div class = "ttname" > < a href = "structntru__params.html#afb8425ee3db2b917b3c4e8d9b75bd3ff" > ntru_params::N< / a > < / div > < div class = "ttdeci" > uint32_t N< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__params_8h_source.html#l00048" > ntru_params.h:48< / a > < / div > < / div >
< div class = "ttc" id = "ntru__poly_8c_html_ae7d0d8364dba689df3fb4904610634cc" > < div class = "ttname" > < a href = "ntru__poly_8c.html#ae7d0d8364dba689df3fb4904610634cc" > fmpz_poly_mod_unsigned< / a > < / div > < div class = "ttdeci" > void fmpz_poly_mod_unsigned(fmpz_poly_t a, const uint32_t mod)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__poly_8c_source.html#l00166" > ntru_poly.c:166< / a > < / div > < / div >
< div class = "ttc" id = "ntru__poly_8c_html_a7c4f5e96355518dc97a23da8f34b661a" > < div class = "ttname" > < a href = "ntru__poly_8c.html#a7c4f5e96355518dc97a23da8f34b661a" > fmpz_poly_mod< / a > < / div > < div class = "ttdeci" > void fmpz_poly_mod(fmpz_poly_t a, const uint32_t mod)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__poly_8c_source.html#l00182" > ntru_poly.c:182< / a > < / div > < / div >
< div class = "ttc" id = "structntru__params_html_a41b368825e1eb126604e13e8f549ec8f" > < div class = "ttname" > < a href = "structntru__params.html#a41b368825e1eb126604e13e8f549ec8f" > ntru_params::p< / a > < / div > < div class = "ttdeci" > uint32_t p< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__params_8h_source.html#l00056" > ntru_params.h:56< / a > < / div > < / div >
< div class = "ttc" id = "ntru__poly_8c_html_ae77b2014df42e5ed612206d5930ac608" > < div class = "ttname" > < a href = "ntru__poly_8c.html#ae77b2014df42e5ed612206d5930ac608" > poly_inverse_poly_p< / a > < / div > < div class = "ttdeci" > bool poly_inverse_poly_p(const fmpz_poly_t a, fmpz_poly_t Fp, const ntru_params *params)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__poly_8c_source.html#l00409" > ntru_poly.c:409< / a > < / div > < / div >
< div class = "ttc" id = "structntru__params_html" > < div class = "ttname" > < a href = "structntru__params.html" > ntru_params< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__params_8h_source.html#l00043" > ntru_params.h:43< / a > < / div > < / div >
< div class = "ttc" id = "ntru__mem_8h_html" > < div class = "ttname" > < a href = "ntru__mem_8h.html" > ntru_mem.h< / a > < / div > < div class = "ttdoc" > header for ntru_mem.c < / div > < / div >
< div class = "ttc" id = "ntru__poly_8c_html_a59da1b7962829af8f18d58c05f588606" > < div class = "ttname" > < a href = "ntru__poly_8c.html#a59da1b7962829af8f18d58c05f588606" > fmpz_invmod_ui< / a > < / div > < div class = "ttdeci" > int fmpz_invmod_ui(fmpz_t f, const fmpz_t g, const uint32_t mod)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__poly_8c_source.html#l00210" > ntru_poly.c:210< / a > < / div > < / div >
< div class = "ttc" id = "ntru__poly_8c_html_a80a8ce0f2944bc3df94291ef2f781498" > < div class = "ttname" > < a href = "ntru__poly_8c.html#a80a8ce0f2944bc3df94291ef2f781498" > poly_draw< / a > < / div > < div class = "ttdeci" > void poly_draw(const fmpz_poly_t poly)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__poly_8c_source.html#l00574" > ntru_poly.c:574< / a > < / div > < / div >
< div class = "ttc" id = "ntru__params_8h_html" > < div class = "ttname" > < a href = "ntru__params_8h.html" > ntru_params.h< / a > < / div > < div class = "ttdoc" > NTRU parameters. < / div > < / div >
< div class = "ttc" id = "ntru__poly_8c_html_ab1f966fe680d1ce7c19c8c812d1932a7" > < div class = "ttname" > < a href = "ntru__poly_8c.html#ab1f966fe680d1ce7c19c8c812d1932a7" > fmpz_poly_set_coeff_fmpz_n< / a > < / div > < div class = "ttdeci" > void fmpz_poly_set_coeff_fmpz_n(fmpz_poly_t poly, slong n, const fmpz_t x)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__poly_8c_source.html#l00198" > ntru_poly.c:198< / a > < / div > < / div >
< div class = "ttc" id = "ntru__poly_8c_html_ae96f479ddd97af709a0ed50817fd3fb3" > < div class = "ttname" > < a href = "ntru__poly_8c.html#ae96f479ddd97af709a0ed50817fd3fb3" > poly_starmultiply< / a > < / div > < div class = "ttdeci" > void poly_starmultiply(const fmpz_poly_t a, const fmpz_poly_t b, fmpz_poly_t c, const ntru_params *params, uint32_t modulus)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__poly_8c_source.html#l00239" > ntru_poly.c:239< / a > < / div > < / div >
< div class = "ttc" id = "ntru__poly_8c_html_a27ff2116f70bcbf5028219adcae4c5f0" > < div class = "ttname" > < a href = "ntru__poly_8c.html#a27ff2116f70bcbf5028219adcae4c5f0" > poly_delete< / a > < / div > < div class = "ttdeci" > void poly_delete(fmpz_poly_t poly)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__poly_8c_source.html#l00123" > ntru_poly.c:123< / a > < / div > < / div >
< div class = "ttc" id = "ntru__poly_8c_html_a83297bc2ab5b6e7ce42553570dd8268f" > < div class = "ttname" > < a href = "ntru__poly_8c.html#a83297bc2ab5b6e7ce42553570dd8268f" > poly_delete_all< / a > < / div > < div class = "ttdeci" > void poly_delete_all(fmpz_poly_t poly,...)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__poly_8c_source.html#l00149" > ntru_poly.c:149< / a > < / div > < / div >
< div class = "ttc" id = "ntru__err_8h_html" > < div class = "ttname" > < a href = "ntru__err_8h.html" > ntru_err.h< / a > < / div > < div class = "ttdoc" > error handling < / div > < / div >
< div class = "ttc" id = "ntru__poly_8c_html_a20f86085d5eb5372fd25dc270069d38c" > < div class = "ttname" > < a href = "ntru__poly_8c.html#a20f86085d5eb5372fd25dc270069d38c" > poly_new< / a > < / div > < div class = "ttdeci" > void poly_new(fmpz_poly_t new_poly, int const *const c, const size_t len)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__poly_8c_source.html#l00110" > ntru_poly.c:110< / a > < / div > < / div >
< div class = "ttc" id = "ntru__poly_8c_html_a3f53c63383ff301b20dcede0783869a7" > < div class = "ttname" > < a href = "ntru__poly_8c.html#a3f53c63383ff301b20dcede0783869a7" > poly_delete_array< / a > < / div > < div class = "ttdeci" > void poly_delete_array(fmpz_poly_t **poly_array)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__poly_8c_source.html#l00131" > ntru_poly.c:131< / a > < / div > < / div >
< div class = "ttc" id = "ntru__poly_8c_html_ad2a11e832808ef1cfee0eed1cc02f4b9" > < div class = "ttname" > < a href = "ntru__poly_8c.html#ad2a11e832808ef1cfee0eed1cc02f4b9" > fmpz_add_n< / a > < / div > < div class = "ttdeci" > void fmpz_add_n(fmpz_t f, const fmpz_t g, const fmpz_t h)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__poly_8c_source.html#l00222" > ntru_poly.c:222< / a > < / div > < / div >
< div class = "ttc" id = "structntru__params_html_a29680750bda49dc93e61a752b2f2a0f7" > < div class = "ttname" > < a href = "structntru__params.html#a29680750bda49dc93e61a752b2f2a0f7" > ntru_params::q< / a > < / div > < div class = "ttdeci" > uint32_t q< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__params_8h_source.html#l00052" > ntru_params.h:52< / a > < / div > < / div >
< div class = "ttc" id = "ntru__poly_8c_html_aaaac83ec72414aa208832442657c3520" > < div class = "ttname" > < a href = "ntru__poly_8c.html#aaaac83ec72414aa208832442657c3520" > fmpz_cmp_si_n< / a > < / div > < div class = "ttdeci" > int fmpz_cmp_si_n(const fmpz_t f, slong g)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__poly_8c_source.html#l00093" > ntru_poly.c:93< / a > < / div > < / div >
< div class = "ttc" id = "ntru__poly_8c_html_aec098d00160d2d502eb1f8a7c3fa5453" > < div class = "ttname" > < a href = "ntru__poly_8c.html#aec098d00160d2d502eb1f8a7c3fa5453" > poly_draw_pretty< / a > < / div > < div class = "ttdeci" > void poly_draw_pretty(const fmpz_poly_t poly)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__poly_8c_source.html#l00583" > ntru_poly.c:583< / a > < / div > < / div >
< div class = "ttc" id = "ntru__poly_8h_html" > < div class = "ttname" > < a href = "ntru__poly_8h.html" > ntru_poly.h< / a > < / div > < div class = "ttdoc" > header for ntru_poly.c < / div > < / div >
< div class = "ttc" id = "ntru__poly_8c_html_a891af13dc4355c9fab9ca3fafcac8054" > < div class = "ttname" > < a href = "ntru__poly_8c.html#a891af13dc4355c9fab9ca3fafcac8054" > poly_mod2_to_modq< / a > < / div > < div class = "ttdeci" > static void poly_mod2_to_modq(const fmpz_poly_t a, fmpz_poly_t Fq, const ntru_params *params)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ntru__poly_8c_source.html#l00063" > ntru_poly.c:63< / a > < / div > < / div >
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