1f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#include <tommath.h> 2f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#ifdef BN_REVERSE_C 3f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* LibTomMath, multiple-precision integer library -- Tom St Denis 4f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 5f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * LibTomMath is a library that provides multiple-precision 6f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * integer arithmetic as well as number theoretic functionality. 7f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 8f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * The library was designed directly after the MPI library by 9f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * Michael Fromberger but has been written from scratch with 10f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * additional optimizations in place. 11f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 12f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * The library is free for all purposes without any express 13f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * guarantee it works. 14f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 15f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * Tom St Denis, tomstdenis@gmail.com, http://math.libtomcrypt.com 16f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project */ 17f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 18f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* reverse an array, used for radix code */ 19f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectvoid 20f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectbn_reverse (unsigned char *s, int len) 21f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project{ 22f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project int ix, iy; 23f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project unsigned char t; 24f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 25f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project ix = 0; 26f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project iy = len - 1; 27f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project while (ix < iy) { 28f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project t = s[ix]; 29f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project s[ix] = s[iy]; 30f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project s[iy] = t; 31f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project ++ix; 32f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project --iy; 33f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project } 34f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project} 35f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#endif 36f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 37f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* $Source: /cvs/libtom/libtommath/bn_reverse.c,v $ */ 38f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* $Revision: 1.3 $ */ 39f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* $Date: 2006/03/31 14:18:44 $ */ 40