Streamlined security for mobile and embedded devices
|
| RSA BSAFE Micro Edition Suite |
Streamlined security for mobile and embedded devices |
|
|
00001 /* $Id: r_endian.h,v 1.15 2003/05/23 05:20:29 sparki Exp $ */
00002 /*
00003 * Copyright (C) 1998-2003 RSA Security Inc. All rights reserved.
00004 *
00005 * This work contains proprietary information of RSA Security.
00006 * Distribution is limited to authorized licensees of RSA
00007 * Security. Any unauthorized reproduction, distribution or
00008 * modification of this work is strictly prohibited.
00009 */
00016 #ifndef HEADER_COMMON_R_ENDIAN_H
00017 #define HEADER_COMMON_R_ENDIAN_H
00018
00019 #ifdef __cplusplus
00020 extern "C" {
00021 #endif
00022
00023 /* Basic operations defines */
00024 #define R_BYTE_SIZE 8
00025 #define R_UINT8_SIZE 1
00026 #define R_UINT16_SIZE 2
00027 #define R_UINT32_SIZE 4
00028
00029 /* Some masks */
00030 #if defined(OPT_64_BIT)
00031 #define R_UINT8_MASK 0x00000000000000ff
00032 #define R_UINT16_MASK 0x000000000000ffff
00033 #define R_UINT32_MASK 0x00000000ffffffff
00034 #elif defined(OPT_32_BIT)
00035 #define R_UINT8_MASK 0x000000ff
00036 #define R_UINT16_MASK 0x0000ffff
00037 #define R_UINT32_MASK 0xffffffff
00038 #else /* !OPT_64_BIT && !OPT_32_BIT */
00039 #define R_UINT8_MASK 0x00ff
00040 #define R_UINT16_MASK 0xffff
00041 #define R_UINT32_MASK 0xffffffffL
00042 #endif /* !OPT_64_BIT && !OPT_32_BIT */
00043
00044 /* Read from and write to network defines */
00045 #define R_WRITE_UINT32(data,buf) \
00046 *(buf++) = (char)((data>>24) & R_UINT8_MASK); \
00047 *(buf++) = (char)((data>>16) & R_UINT8_MASK); \
00048 *(buf++) = (char)((data>> 8) & R_UINT8_MASK); \
00049 *(buf++) = (char)((data ) & R_UINT8_MASK);
00050
00051 #define R_WRITE_UINT16(data,buf) \
00052 *(buf++) = (char)((data>>8) & R_UINT8_MASK); \
00053 *(buf++) = (char)((data ) & R_UINT8_MASK);
00054
00055 #define R_WRITE_UINT8(data,buf) \
00056 *(buf++) = (char)(data & R_UINT8_MASK);
00057
00058 #define R_READ_UINT32(data,out) \
00059 out = (int)(((unsigned char)data[0])); \
00060 out = (int)((out << R_BYTE_SIZE) | ((unsigned char)data[1])); \
00061 out = (int)((out << R_BYTE_SIZE) | ((unsigned char)data[2])); \
00062 out = (int)((out << R_BYTE_SIZE) | ((unsigned char)data[3]));
00063
00064 #define R_READ_UINT16(data,out) \
00065 out = (int)(((unsigned char)data[0])); \
00066 out = (int)((out << R_BYTE_SIZE) | ((unsigned char)data[1]));
00067
00068 #define R_READ_UINT8(data,out) \
00069 out = (int)(((unsigned char)data[0]) & R_UINT8_MASK);
00070
00071
00072
00073 #ifdef __cplusplus
00074 }
00075 #endif
00076
00077 #endif /* HEADER_COMMON_R_ENDIAN_H */
00078