1#include <tommath.h> 2#ifdef BN_REVERSE_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://libtom.org 16 */ 17 18/* reverse an array, used for radix code */ 19void 20bn_reverse (unsigned char *s, int len) 21{ 22 int ix, iy; 23 unsigned char t; 24 25 ix = 0; 26 iy = len - 1; 27 while (ix < iy) { 28 t = s[ix]; 29 s[ix] = s[iy]; 30 s[iy] = t; 31 ++ix; 32 --iy; 33 } 34} 35#endif 36 37/* $Source$ */ 38/* $Revision$ */ 39/* $Date$ */ 40