annotate libtommath/bn_mp_prime_rabin_miller_trials.c @ 1519:2f4d52b1334e

missed regenerating
author Matt Johnston <matt@ucc.asn.au>
date Sun, 18 Feb 2018 23:48:24 +0800
parents 8bba51a55704
children f52919ffd3b1
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1 #include <tommath_private.h>
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2 #ifdef BN_MP_PRIME_RABIN_MILLER_TRIALS_C
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3 /* LibTomMath, multiple-precision integer library -- Tom St Denis
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4 *
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5 * LibTomMath is a library that provides multiple-precision
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6 * integer arithmetic as well as number theoretic functionality.
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7 *
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8 * The library was designed directly after the MPI library by
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9 * Michael Fromberger but has been written from scratch with
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10 * additional optimizations in place.
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11 *
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12 * The library is free for all purposes without any express
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13 * guarantee it works.
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14 *
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15 * Tom St Denis, [email protected], http://libtom.org
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16 */
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19 static const struct {
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20 int k, t;
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21 } sizes[] = {
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22 { 128, 28 },
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23 { 256, 16 },
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24 { 384, 10 },
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25 { 512, 7 },
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26 { 640, 6 },
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27 { 768, 5 },
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28 { 896, 4 },
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29 { 1024, 4 }
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30 };
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32 /* returns # of RM trials required for a given bit size */
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33 int mp_prime_rabin_miller_trials(int size)
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34 {
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35 int x;
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36
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37 for (x = 0; x < (int)(sizeof(sizes)/(sizeof(sizes[0]))); x++) {
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38 if (sizes[x].k == size) {
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39 return sizes[x].t;
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40 } else if (sizes[x].k > size) {
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41 return (x == 0) ? sizes[0].t : sizes[x - 1].t;
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42 }
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43 }
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44 return sizes[x-1].t + 1;
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45 }
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48 #endif
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49
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50 /* ref: $Format:%D$ */
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51 /* git commit: $Format:%H$ */
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52 /* commit time: $Format:%ai$ */