/* * Copyright (C) 2011-2016 Intel Corporation. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name of Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #ifndef _LE2BE_MACROS_H_ #define _LE2BE_MACROS_H_ #ifdef __cplusplus extern "C" { #endif /* * Endianness translation macros used for SafeId serialization/deserialization */ // LE<->BE translation of DWORD #define SwapEndian_DW(dw) ( (((dw) & 0x000000ff) << 24) | (((dw) & 0x0000ff00) << 8) | (((dw) & 0x00ff0000) >> 8) | (((dw) & 0xff000000) >> 24) ) // LE<->BE translation of 8 byte big number #define SwapEndian_8B(ptr) \ { \ unsigned int Temp = 0; \ unsigned int* p = reinterpret_cast(ptr); \ Temp = SwapEndian_DW(p[0]); \ p[0] = SwapEndian_DW(p[1]); \ p[1] = Temp; \ } \ // LE<->BE translation of 10 byte (80 bit) big number #define SwapEndian_10B(ptr) \ { \ unsigned int Temp1 = 0; \ unsigned int Temp2 = 0; \ unsigned int* p = reinterpret_cast(ptr); \ Temp1 = SwapEndian_DW( (unsigned int)( (((unsigned char*)(ptr))[8] << 16 ) | ( ((unsigned char*)(ptr))[9] << 24) ) ); \ Temp2 = SwapEndian_DW(p[1]); \ *(reinterpret_cast((unsigned char*)(ptr) + 6)) = SwapEndian_DW(p[0]); \ *(reinterpret_cast((unsigned char*)(ptr) + 2)) = Temp2; \ p[0] = (Temp1 & 0x0000ffff) | (p[0] & 0xffff0000); \ } // LE<->BE translation of 16 byte (128-bit) big number #define SwapEndian_16B(ptr) \ { \ unsigned int Temp = 0; \ unsigned int* p = reinterpret_cast(ptr); \ Temp = SwapEndian_DW(p[0]); \ p[0] = SwapEndian_DW(p[3]); \ p[3] = Temp; \ Temp = SwapEndian_DW(p[1]); \ p[1] = SwapEndian_DW(p[2]); \ p[2] = Temp; \ } // LE<->BE translation of 32 byte big number #define SwapEndian_32B(ptr) \ { \ unsigned int Temp = 0; \ unsigned int* p = reinterpret_cast(ptr); \ Temp = SwapEndian_DW(p[0]); \ p[0] = SwapEndian_DW(p[7]); \ p[7] = Temp; \ Temp = SwapEndian_DW(p[1]); \ p[1] = SwapEndian_DW(p[6]); \ p[6] = Temp; \ Temp = SwapEndian_DW(p[2]); \ p[2] = SwapEndian_DW(p[5]); \ p[5] = Temp; \ Temp = SwapEndian_DW(p[3]); \ p[3] = SwapEndian_DW(p[4]); \ p[4] = Temp; \ } // LE<->BE translation of 64 byte big number #define SwapEndian_64B(ptr) \ { \ unsigned int Temp = 0; \ unsigned int* p = reinterpret_cast(ptr); \ Temp = SwapEndian_DW(p[0]); \ p[0] = SwapEndian_DW(p[15]); \ p[15] = Temp; \ Temp = SwapEndian_DW(p[1]); \ p[1] = SwapEndian_DW(p[14]); \ p[14] = Temp; \ Temp = SwapEndian_DW(p[2]); \ p[2] = SwapEndian_DW(p[13]); \ p[13] = Temp; \ Temp = SwapEndian_DW(p[3]); \ p[3] = SwapEndian_DW(p[12]); \ p[12] = Temp; \ Temp = SwapEndian_DW(p[4]); \ p[4] = SwapEndian_DW(p[11]); \ p[11] = Temp; \ Temp = SwapEndian_DW(p[5]); \ p[5] = SwapEndian_DW(p[10]); \ p[10] = Temp; \ Temp = SwapEndian_DW(p[6]); \ p[6] = SwapEndian_DW(p[9]); \ p[9] = Temp; \ Temp = SwapEndian_DW(p[7]); \ p[7] = SwapEndian_DW(p[8]); \ p[8] = Temp; \ } // LE<->BE translation of 75 byte (600 bit) big number #define SwapEndian_75B(ptr) \ { \ unsigned int Temp1 = 0; \ unsigned int Temp2 = 0; \ unsigned char i = 0; \ unsigned int* p = reinterpret_cast(ptr); \ Temp1 = SwapEndian_DW( (unsigned int)( ( ((unsigned char*)(ptr))[72] << 8 ) | ( ((unsigned char*)(ptr))[73] << 16 ) | ( ((unsigned char*)(ptr))[74] << 24 ) ) ); \ Temp2 = (p[17] & 0xff000000); \ *((unsigned int*)((unsigned char*)(ptr) + 71)) = SwapEndian_DW(p[0]); \ p[0] = Temp1; \ Temp1 = SwapEndian_DW(p[1]); \ *((unsigned int*)((unsigned char*)(ptr) + 3 )) = SwapEndian_DW( ( (p[17] & 0x00ffffff) | Temp2 ) ); \ for(i = 0; i < 8; i++) { \ Temp2 = (p[16 - i] & 0xff000000); \ *((unsigned int*)((unsigned char*)(ptr) + 67 - 4*i)) = Temp1; \ Temp1 = SwapEndian_DW(p[2 + i]); \ *((unsigned int*)((unsigned char*)(ptr) + 7 + 4*i)) = SwapEndian_DW( ( (p[16 - i] & 0x00ffffff) | Temp2 ) ); \ } \ } #if defined(DEFINE_GPOINTS_IN_LE2BE_MACROS) /* * Some structures useful during the conversion of SafeId data */ typedef struct _G1Point { unsigned char x[32]; unsigned char y[32]; } G1Point; typedef struct _G2Point { unsigned char x0[32]; unsigned char x1[32]; unsigned char x2[32]; unsigned char y0[32]; unsigned char y1[32]; unsigned char y2[32]; } G2Point; typedef G1Point G3Point; typedef struct _GTPoint { unsigned char x0[32]; unsigned char x1[32]; unsigned char x2[32]; unsigned char x3[32]; unsigned char x4[32]; unsigned char x5[32]; } GTPoint; #endif #ifdef __cplusplus } #endif #endif