Mercurial > dropbear
annotate libtommath/bn_mp_clear.c @ 1284:5d560c68c70c
Fix whitespace missed in merge
author | Matt Johnston <matt@ucc.asn.au> |
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date | Fri, 18 Mar 2016 20:43:22 +0800 |
parents | 3017bc7d6238 |
children | 60fc6476e044 |
rev | line source |
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1 #include <tommath.h> |
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2 #include "dbhelpers.h" |
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3 #ifdef BN_MP_CLEAR_C |
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4 /* LibTomMath, multiple-precision integer library -- Tom St Denis |
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5 * |
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6 * LibTomMath is a library that provides multiple-precision |
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7 * integer arithmetic as well as number theoretic functionality. |
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8 * |
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9 * The library was designed directly after the MPI library by |
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10 * Michael Fromberger but has been written from scratch with |
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11 * additional optimizations in place. |
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12 * |
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13 * The library is free for all purposes without any express |
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14 * guarantee it works. |
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15 * |
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16 * Tom St Denis, [email protected], http://math.libtomcrypt.com |
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17 */ |
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18 |
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19 /* clear one (frees) */ |
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20 void |
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21 mp_clear (mp_int * a) |
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22 { |
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23 /* only do anything if a hasn't been freed previously */ |
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24 if (a->dp != NULL) { |
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25 /* first zero the digits */ |
1281 | 26 m_burn(a->dp, a->alloc * sizeof(*a->dp)); |
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27 |
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28 /* free ram */ |
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29 XFREE(a->dp); |
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30 |
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31 /* reset members to make debugging easier */ |
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32 a->dp = NULL; |
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33 a->alloc = a->used = 0; |
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34 a->sign = MP_ZPOS; |
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35 } |
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36 } |
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37 #endif |
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38 |
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39 /* $Source: /cvs/libtom/libtommath/bn_mp_clear.c,v $ */ |
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40 /* $Revision: 1.3 $ */ |
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41 /* $Date: 2006/03/31 14:18:44 $ */ |