Mercurial > dropbear

view libtommath/bn_mp_dr_setup.c @ 1823:401d7d8c8a79

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Remove unused argument of do_cmd() in scp.c (#125)
author Anton Bershanskiy <45960703+bershanskiy@users.noreply.github.com>
date Thu, 19 Aug 2021 18:40:58 +0300
parents 1051e4eea25a
children
line wrap: on
line source

#include "tommath_private.h"
#ifdef BN_MP_DR_SETUP_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */

/* determines the setup value */
void mp_dr_setup(const mp_int *a, mp_digit *d)
{
   /* the casts are required if MP_DIGIT_BIT is one less than
    * the number of bits in a mp_digit [e.g. MP_DIGIT_BIT==31]
    */
   *d = (mp_digit)(((mp_word)1 << (mp_word)MP_DIGIT_BIT) - (mp_word)a->dp[0]);
}

#endif