Mercurial > dropbear
annotate libtommath/bn_mp_clear.c @ 1691:2d3745d58843
try rearrange travis build matrix
author | Matt Johnston <matt@ucc.asn.au> |
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date | Tue, 26 May 2020 23:27:26 +0800 |
parents | f52919ffd3b1 |
children | 1051e4eea25a |
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1 #include "tommath_private.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 * SPDX-License-Identifier: Unlicense |
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14 */ |
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15 |
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16 /* clear one (frees) */ |
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17 void mp_clear(mp_int *a) |
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18 { |
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19 /* only do anything if a hasn't been freed previously */ |
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20 if (a->dp != NULL) { |
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21 /* first zero the digits */ |
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22 m_burn(a->dp, (size_t)a->alloc * sizeof(*a->dp)); |
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23 |
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24 /* free ram */ |
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25 XFREE(a->dp); |
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26 |
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27 /* reset members to make debugging easier */ |
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28 a->dp = NULL; |
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29 a->alloc = a->used = 0; |
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30 a->sign = MP_ZPOS; |
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31 } |
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32 } |
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33 #endif |
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34 |
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35 /* ref: HEAD -> master, tag: v1.1.0 */ |
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36 /* git commit: 08549ad6bc8b0cede0b357a9c341c5c6473a9c55 */ |
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37 /* commit time: 2019-01-28 20:32:32 +0100 */ |