Mercurial > dropbear
annotate mycrypt_macros.h @ 164:cd1143579f00 libtomcrypt LTC_DB_0.44
mpi.c isn't needed if we're using libtommath seperately
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sun, 02 Jan 2005 17:19:46 +0000 |
parents | 7ed585a2c53b |
children |
rev | line source |
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1 /* fix for MSVC ...evil! */ |
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2 #ifdef _MSC_VER |
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3 #define CONST64(n) n ## ui64 |
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4 typedef unsigned __int64 ulong64; |
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5 #else |
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6 #define CONST64(n) n ## ULL |
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7 typedef unsigned long long ulong64; |
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8 #endif |
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9 |
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10 /* this is the "32-bit at least" data type |
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11 * Re-define it to suit your platform but it must be at least 32-bits |
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12 */ |
143 | 13 #if defined(__x86_64__) |
14 typedef unsigned ulong32; | |
15 #else | |
16 typedef unsigned long ulong32; | |
17 #endif | |
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18 |
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19 /* ---- HELPER MACROS ---- */ |
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20 #ifdef ENDIAN_NEUTRAL |
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21 |
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22 #define STORE32L(x, y) \ |
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23 { (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255); \ |
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24 (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); } |
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25 |
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26 #define LOAD32L(x, y) \ |
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27 { x = ((unsigned long)((y)[3] & 255)<<24) | \ |
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28 ((unsigned long)((y)[2] & 255)<<16) | \ |
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29 ((unsigned long)((y)[1] & 255)<<8) | \ |
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30 ((unsigned long)((y)[0] & 255)); } |
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31 |
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32 #define STORE64L(x, y) \ |
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33 { (y)[7] = (unsigned char)(((x)>>56)&255); (y)[6] = (unsigned char)(((x)>>48)&255); \ |
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34 (y)[5] = (unsigned char)(((x)>>40)&255); (y)[4] = (unsigned char)(((x)>>32)&255); \ |
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35 (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255); \ |
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36 (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); } |
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37 |
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38 #define LOAD64L(x, y) \ |
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39 { x = (((ulong64)((y)[7] & 255))<<56)|(((ulong64)((y)[6] & 255))<<48)| \ |
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40 (((ulong64)((y)[5] & 255))<<40)|(((ulong64)((y)[4] & 255))<<32)| \ |
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41 (((ulong64)((y)[3] & 255))<<24)|(((ulong64)((y)[2] & 255))<<16)| \ |
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42 (((ulong64)((y)[1] & 255))<<8)|(((ulong64)((y)[0] & 255))); } |
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43 |
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44 #define STORE32H(x, y) \ |
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45 { (y)[0] = (unsigned char)(((x)>>24)&255); (y)[1] = (unsigned char)(((x)>>16)&255); \ |
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46 (y)[2] = (unsigned char)(((x)>>8)&255); (y)[3] = (unsigned char)((x)&255); } |
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47 |
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48 #define LOAD32H(x, y) \ |
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49 { x = ((unsigned long)((y)[0] & 255)<<24) | \ |
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50 ((unsigned long)((y)[1] & 255)<<16) | \ |
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51 ((unsigned long)((y)[2] & 255)<<8) | \ |
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52 ((unsigned long)((y)[3] & 255)); } |
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53 |
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54 #define STORE64H(x, y) \ |
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55 { (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255); \ |
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56 (y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255); \ |
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57 (y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255); \ |
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58 (y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); } |
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59 |
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60 #define LOAD64H(x, y) \ |
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61 { x = (((ulong64)((y)[0] & 255))<<56)|(((ulong64)((y)[1] & 255))<<48) | \ |
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62 (((ulong64)((y)[2] & 255))<<40)|(((ulong64)((y)[3] & 255))<<32) | \ |
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63 (((ulong64)((y)[4] & 255))<<24)|(((ulong64)((y)[5] & 255))<<16) | \ |
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64 (((ulong64)((y)[6] & 255))<<8)|(((ulong64)((y)[7] & 255))); } |
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65 |
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66 #endif /* ENDIAN_NEUTRAL */ |
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67 |
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68 #ifdef ENDIAN_LITTLE |
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69 |
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70 #define STORE32H(x, y) \ |
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71 { (y)[0] = (unsigned char)(((x)>>24)&255); (y)[1] = (unsigned char)(((x)>>16)&255); \ |
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72 (y)[2] = (unsigned char)(((x)>>8)&255); (y)[3] = (unsigned char)((x)&255); } |
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73 |
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74 #define LOAD32H(x, y) \ |
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75 { x = ((unsigned long)((y)[0] & 255)<<24) | \ |
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76 ((unsigned long)((y)[1] & 255)<<16) | \ |
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77 ((unsigned long)((y)[2] & 255)<<8) | \ |
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78 ((unsigned long)((y)[3] & 255)); } |
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79 |
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80 #define STORE64H(x, y) \ |
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81 { (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255); \ |
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82 (y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255); \ |
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83 (y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255); \ |
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84 (y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); } |
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85 |
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86 #define LOAD64H(x, y) \ |
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87 { x = (((ulong64)((y)[0] & 255))<<56)|(((ulong64)((y)[1] & 255))<<48) | \ |
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88 (((ulong64)((y)[2] & 255))<<40)|(((ulong64)((y)[3] & 255))<<32) | \ |
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89 (((ulong64)((y)[4] & 255))<<24)|(((ulong64)((y)[5] & 255))<<16) | \ |
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90 (((ulong64)((y)[6] & 255))<<8)|(((ulong64)((y)[7] & 255))); } |
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91 |
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92 #ifdef ENDIAN_32BITWORD |
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93 |
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94 #define STORE32L(x, y) \ |
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95 { unsigned long __t = (x); memcpy(y, &__t, 4); } |
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96 |
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97 #define LOAD32L(x, y) \ |
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98 memcpy(&(x), y, 4); |
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99 |
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100 #define STORE64L(x, y) \ |
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101 { (y)[7] = (unsigned char)(((x)>>56)&255); (y)[6] = (unsigned char)(((x)>>48)&255); \ |
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102 (y)[5] = (unsigned char)(((x)>>40)&255); (y)[4] = (unsigned char)(((x)>>32)&255); \ |
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103 (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255); \ |
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104 (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); } |
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105 |
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106 #define LOAD64L(x, y) \ |
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107 { x = (((ulong64)((y)[7] & 255))<<56)|(((ulong64)((y)[6] & 255))<<48)| \ |
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108 (((ulong64)((y)[5] & 255))<<40)|(((ulong64)((y)[4] & 255))<<32)| \ |
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109 (((ulong64)((y)[3] & 255))<<24)|(((ulong64)((y)[2] & 255))<<16)| \ |
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110 (((ulong64)((y)[1] & 255))<<8)|(((ulong64)((y)[0] & 255))); } |
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111 |
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112 #else /* 64-bit words then */ |
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113 |
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114 #define STORE32L(x, y) \ |
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115 { unsigned long __t = (x); memcpy(y, &__t, 4); } |
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116 |
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117 #define LOAD32L(x, y) \ |
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118 { memcpy(&(x), y, 4); x &= 0xFFFFFFFF; } |
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119 |
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120 #define STORE64L(x, y) \ |
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121 { ulong64 __t = (x); memcpy(y, &__t, 8); } |
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122 |
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123 #define LOAD64L(x, y) \ |
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124 { memcpy(&(x), y, 8); } |
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125 |
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126 #endif /* ENDIAN_64BITWORD */ |
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127 |
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128 #endif /* ENDIAN_LITTLE */ |
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129 |
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130 #ifdef ENDIAN_BIG |
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131 #define STORE32L(x, y) \ |
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132 { (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255); \ |
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133 (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); } |
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134 |
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135 #define LOAD32L(x, y) \ |
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136 { x = ((unsigned long)((y)[3] & 255)<<24) | \ |
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137 ((unsigned long)((y)[2] & 255)<<16) | \ |
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138 ((unsigned long)((y)[1] & 255)<<8) | \ |
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139 ((unsigned long)((y)[0] & 255)); } |
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140 |
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141 #define STORE64L(x, y) \ |
143 | 142 { (y)[7] = (unsigned char)(((x)>>56)&255); (y)[6] = (unsigned char)(((x)>>48)&255); \ |
143 (y)[5] = (unsigned char)(((x)>>40)&255); (y)[4] = (unsigned char)(((x)>>32)&255); \ | |
144 (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255); \ | |
145 (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); } | |
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146 |
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147 #define LOAD64L(x, y) \ |
143 | 148 { x = (((ulong64)((y)[7] & 255))<<56)|(((ulong64)((y)[6] & 255))<<48) | \ |
149 (((ulong64)((y)[5] & 255))<<40)|(((ulong64)((y)[4] & 255))<<32) | \ | |
150 (((ulong64)((y)[3] & 255))<<24)|(((ulong64)((y)[2] & 255))<<16) | \ | |
151 (((ulong64)((y)[1] & 255))<<8)|(((ulong64)((y)[0] & 255))); } | |
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152 |
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153 #ifdef ENDIAN_32BITWORD |
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154 |
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155 #define STORE32H(x, y) \ |
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156 { unsigned long __t = (x); memcpy(y, &__t, 4); } |
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157 |
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158 #define LOAD32H(x, y) \ |
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159 memcpy(&(x), y, 4); |
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160 |
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161 #define STORE64H(x, y) \ |
143 | 162 { (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255); \ |
163 (y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255); \ | |
164 (y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255); \ | |
165 (y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); } | |
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166 |
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167 #define LOAD64H(x, y) \ |
143 | 168 { x = (((ulong64)((y)[0] & 255))<<56)|(((ulong64)((y)[1] & 255))<<48)| \ |
169 (((ulong64)((y)[2] & 255))<<40)|(((ulong64)((y)[3] & 255))<<32)| \ | |
170 (((ulong64)((y)[4] & 255))<<24)|(((ulong64)((y)[5] & 255))<<16)| \ | |
171 (((ulong64)((y)[6] & 255))<<8)| (((ulong64)((y)[7] & 255))); } | |
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172 |
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173 #else /* 64-bit words then */ |
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174 |
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175 #define STORE32H(x, y) \ |
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176 { unsigned long __t = (x); memcpy(y, &__t, 4); } |
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177 |
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178 #define LOAD32H(x, y) \ |
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179 { memcpy(&(x), y, 4); x &= 0xFFFFFFFF; } |
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180 |
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181 #define STORE64H(x, y) \ |
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182 { ulong64 __t = (x); memcpy(y, &__t, 8); } |
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183 |
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184 #define LOAD64H(x, y) \ |
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185 { memcpy(&(x), y, 8); } |
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186 |
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187 #endif /* ENDIAN_64BITWORD */ |
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188 #endif /* ENDIAN_BIG */ |
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189 |
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190 #define BSWAP(x) ( ((x>>24)&0x000000FFUL) | ((x<<24)&0xFF000000UL) | \ |
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191 ((x>>8)&0x0000FF00UL) | ((x<<8)&0x00FF0000UL) ) |
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192 |
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193 #ifdef _MSC_VER |
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194 |
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195 /* instrinsic rotate */ |
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196 #include <stdlib.h> |
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197 #pragma intrinsic(_lrotr,_lrotl) |
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198 #define ROR(x,n) _lrotr(x,n) |
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199 #define ROL(x,n) _lrotl(x,n) |
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200 |
143 | 201 #elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) && !defined(INTEL_CC) |
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202 |
143 | 203 static inline unsigned ROL(unsigned word, int i) |
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204 { |
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205 __asm__("roll %%cl,%0" |
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206 :"=r" (word) |
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207 :"0" (word),"c" (i)); |
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208 return word; |
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209 } |
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210 |
143 | 211 static inline unsigned ROR(unsigned word, int i) |
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212 { |
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213 __asm__("rorl %%cl,%0" |
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214 :"=r" (word) |
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215 :"0" (word),"c" (i)); |
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216 return word; |
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217 } |
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218 |
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219 #else |
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220 |
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221 /* rotates the hard way */ |
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222 #define ROL(x, y) ( (((unsigned long)(x)<<(unsigned long)((y)&31)) | (((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL) |
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223 #define ROR(x, y) ( ((((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)((y)&31)) | ((unsigned long)(x)<<(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL) |
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224 |
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225 #endif |
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226 |
143 | 227 #if defined(__GNUCC__) && defined(__x86_64__) |
228 | |
229 static inline unsigned long ROL64(unsigned long word, int i) | |
230 { | |
231 __asm__("rolq %%cl,%0" | |
232 :"=r" (word) | |
233 :"0" (word),"c" (i)); | |
234 return word; | |
235 } | |
236 | |
237 static inline unsigned long ROR64(unsigned long word, int i) | |
238 { | |
239 __asm__("rorq %%cl,%0" | |
240 :"=r" (word) | |
241 :"0" (word),"c" (i)); | |
242 return word; | |
243 } | |
244 | |
245 #else | |
246 | |
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247 #define ROL64(x, y) \ |
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248 ( (((x)<<((ulong64)(y)&63)) | \ |
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249 (((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)64-((y)&63)))) & CONST64(0xFFFFFFFFFFFFFFFF)) |
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250 |
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251 #define ROR64(x, y) \ |
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252 ( ((((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)(y)&CONST64(63))) | \ |
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253 ((x)<<((ulong64)(64-((y)&CONST64(63)))))) & CONST64(0xFFFFFFFFFFFFFFFF)) |
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254 |
143 | 255 #endif |
256 | |
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257 #undef MAX |
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258 #undef MIN |
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259 #define MAX(x, y) ( ((x)>(y))?(x):(y) ) |
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260 #define MIN(x, y) ( ((x)<(y))?(x):(y) ) |
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261 |
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262 /* extract a byte portably */ |
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263 #ifdef _MSC_VER |
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264 #define byte(x, n) ((unsigned char)((x) >> (8 * (n)))) |
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265 #else |
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266 #define byte(x, n) (((x) >> (8 * (n))) & 255) |
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267 #endif |