1 /* $NetBSD: bn_mp_unsigned_bin_size.c,v 1.1.1.2 2014/04/24 12:45:31 pettai Exp $ */ 2 3 #include <tommath.h> 4 #ifdef BN_MP_UNSIGNED_BIN_SIZE_C 5 /* LibTomMath, multiple-precision integer library -- Tom St Denis 6 * 7 * LibTomMath is a library that provides multiple-precision 8 * integer arithmetic as well as number theoretic functionality. 9 * 10 * The library was designed directly after the MPI library by 11 * Michael Fromberger but has been written from scratch with 12 * additional optimizations in place. 13 * 14 * The library is free for all purposes without any express 15 * guarantee it works. 16 * 17 * Tom St Denis, tomstdenis@gmail.com, http://libtom.org 18 */ 19 20 /* get the size for an unsigned equivalent */ mp_unsigned_bin_size(mp_int * a)21int mp_unsigned_bin_size (mp_int * a) 22 { 23 int size = mp_count_bits (a); 24 return (size / 8 + ((size & 7) != 0 ? 1 : 0)); 25 } 26 #endif 27 28 /* Source: /cvs/libtom/libtommath/bn_mp_unsigned_bin_size.c,v */ 29 /* Revision: 1.4 */ 30 /* Date: 2006/12/28 01:25:13 */ 31