annotate libtommath/bn_mp_unsigned_bin_size.c @ 1673:e0871128e61f

CBC mode cleanup (#95) * Fix CBC mode can't be fully disabled * Fix CBC mode can't be the only mode
author Vladislav Grishenko <themiron@users.noreply.github.com>
date Mon, 25 May 2020 20:55:13 +0500
parents f52919ffd3b1
children
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f52919ffd3b1 update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
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1 #include "tommath_private.h"
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2 #ifdef BN_MP_UNSIGNED_BIN_SIZE_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 * SPDX-License-Identifier: Unlicense
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13 */
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14
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15 /* get the size for an unsigned equivalent */
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16 int mp_unsigned_bin_size(const mp_int *a)
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17 {
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18 int size = mp_count_bits(a);
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19 return (size / 8) + ((((unsigned)size & 7u) != 0u) ? 1 : 0);
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20 }
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21 #endif
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22
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23 /* ref: HEAD -> master, tag: v1.1.0 */
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24 /* git commit: 08549ad6bc8b0cede0b357a9c341c5c6473a9c55 */
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25 /* commit time: 2019-01-28 20:32:32 +0100 */