1 #include <tommath.h> 2 #ifdef BN_MP_UNSIGNED_BIN_SIZE_C 3 /* LibTomMath, multiple-precision integer library -- Tom St Denis 4 * 5 * LibTomMath is a library that provides multiple-precision 6 * integer arithmetic as well as number theoretic functionality. 7 * 8 * The library was designed directly after the MPI library by 9 * Michael Fromberger but has been written from scratch with 10 * additional optimizations in place. 11 * 12 * The library is free for all purposes without any express 13 * guarantee it works. 14 * 15 * Tom St Denis, tomstdenis@gmail.com, http://math.libtomcrypt.com 16 */ 17 18 /* get the size for an unsigned equivalent */ mp_unsigned_bin_size(mp_int * a)19int mp_unsigned_bin_size (mp_int * a) 20 { 21 int size = mp_count_bits (a); 22 return (size / 8 + ((size & 7) != 0 ? 1 : 0)); 23 } 24 #endif 25 26 /* $Source: /cvs/libtom/libtommath/bn_mp_unsigned_bin_size.c,v $ */ 27 /* $Revision: 1.3 $ */ 28 /* $Date: 2006/03/31 14:18:44 $ */ 29