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21caab1 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 | /* ecrypt-portable.h */
/*
* WARNING: the conversions defined below are implemented as macros,
* and should be used carefully. They should NOT be used with
* parameters which perform some action. E.g., the following two lines
* are not equivalent:
*
* 1) ++x; y = ROTL32(x, n);
* 2) y = ROTL32(++x, n);
*/
/*
* *** Please do not edit this file. ***
*
* The default macros can be overridden for specific architectures by
* editing 'ecrypt-machine.h'.
*/
#ifndef ECRYPT_PORTABLE
#define ECRYPT_PORTABLE
#include "ecrypt-config.h"
/* ------------------------------------------------------------------------- */
/*
* The following types are defined (if available):
*
* u8: unsigned integer type, at least 8 bits
* u16: unsigned integer type, at least 16 bits
* u32: unsigned integer type, at least 32 bits
* u64: unsigned integer type, at least 64 bits
*
* s8, s16, s32, s64 -> signed counterparts of u8, u16, u32, u64
*
* The selection of minimum-width integer types is taken care of by
* 'ecrypt-config.h'. Note: to enable 64-bit types on 32-bit
* compilers, it might be necessary to switch from ISO C90 mode to ISO
* C99 mode (e.g., gcc -std=c99).
*/
#ifdef I8T
typedef signed I8T s8;
typedef unsigned I8T u8;
#endif
#ifdef I16T
typedef signed I16T s16;
typedef unsigned I16T u16;
#endif
#ifdef I32T
typedef signed I32T s32;
typedef unsigned I32T u32;
#endif
#ifdef I64T
typedef signed I64T s64;
typedef unsigned I64T u64;
#endif
/*
* The following macros are used to obtain exact-width results.
*/
#define U8V(v) ((u8)(v) & U8C(0xFF))
#define U16V(v) ((u16)(v) & U16C(0xFFFF))
#define U32V(v) ((u32)(v) & U32C(0xFFFFFFFF))
#define U64V(v) ((u64)(v) & U64C(0xFFFFFFFFFFFFFFFF))
/* ------------------------------------------------------------------------- */
/*
* The following macros return words with their bits rotated over n
* positions to the left/right.
*/
#define ECRYPT_DEFAULT_ROT
#define ROTL8(v, n) \
(U8V((v) << (n)) | ((v) >> (8 - (n))))
#define ROTL16(v, n) \
(U16V((v) << (n)) | ((v) >> (16 - (n))))
#define ROTL32(v, n) \
(U32V((v) << (n)) | ((v) >> (32 - (n))))
#define ROTL64(v, n) \
(U64V((v) << (n)) | ((v) >> (64 - (n))))
#define ROTR8(v, n) ROTL8(v, 8 - (n))
#define ROTR16(v, n) ROTL16(v, 16 - (n))
#define ROTR32(v, n) ROTL32(v, 32 - (n))
#define ROTR64(v, n) ROTL64(v, 64 - (n))
#include "ecrypt-machine.h"
/* ------------------------------------------------------------------------- */
/*
* The following macros return a word with bytes in reverse order.
*/
#define ECRYPT_DEFAULT_SWAP
#define SWAP16(v) \
ROTL16(v, 8)
#define SWAP32(v) \
((ROTL32(v, 8) & U32C(0x00FF00FF)) | \
(ROTL32(v, 24) & U32C(0xFF00FF00)))
#ifdef ECRYPT_NATIVE64
#define SWAP64(v) \
((ROTL64(v, 8) & U64C(0x000000FF000000FF)) | \
(ROTL64(v, 24) & U64C(0x0000FF000000FF00)) | \
(ROTL64(v, 40) & U64C(0x00FF000000FF0000)) | \
(ROTL64(v, 56) & U64C(0xFF000000FF000000)))
#else
#define SWAP64(v) \
(((u64)SWAP32(U32V(v)) << 32) | (u64)SWAP32(U32V(v >> 32)))
#endif
#include "ecrypt-machine.h"
#define ECRYPT_DEFAULT_WTOW
#ifdef ECRYPT_LITTLE_ENDIAN
#define U16TO16_LITTLE(v) (v)
#define U32TO32_LITTLE(v) (v)
#define U64TO64_LITTLE(v) (v)
#define U16TO16_BIG(v) SWAP16(v)
#define U32TO32_BIG(v) SWAP32(v)
#define U64TO64_BIG(v) SWAP64(v)
#endif
#ifdef ECRYPT_BIG_ENDIAN
#define U16TO16_LITTLE(v) SWAP16(v)
#define U32TO32_LITTLE(v) SWAP32(v)
#define U64TO64_LITTLE(v) SWAP64(v)
#define U16TO16_BIG(v) (v)
#define U32TO32_BIG(v) (v)
#define U64TO64_BIG(v) (v)
#endif
#include "ecrypt-machine.h"
/*
* The following macros load words from an array of bytes with
* different types of endianness, and vice versa.
*/
#define ECRYPT_DEFAULT_BTOW
#if (!defined(ECRYPT_UNKNOWN) && defined(ECRYPT_I8T_IS_BYTE))
#define U8TO16_LITTLE(p) U16TO16_LITTLE(((u16*)(p))[0])
#define U8TO32_LITTLE(p) U32TO32_LITTLE(((u32*)(p))[0])
#define U8TO64_LITTLE(p) U64TO64_LITTLE(((u64*)(p))[0])
#define U8TO16_BIG(p) U16TO16_BIG(((u16*)(p))[0])
#define U8TO32_BIG(p) U32TO32_BIG(((u32*)(p))[0])
#define U8TO64_BIG(p) U64TO64_BIG(((u64*)(p))[0])
#define U16TO8_LITTLE(p, v) (((u16*)(p))[0] = U16TO16_LITTLE(v))
#define U32TO8_LITTLE(p, v) (((u32*)(p))[0] = U32TO32_LITTLE(v))
#define U64TO8_LITTLE(p, v) (((u64*)(p))[0] = U64TO64_LITTLE(v))
#define U16TO8_BIG(p, v) (((u16*)(p))[0] = U16TO16_BIG(v))
#define U32TO8_BIG(p, v) (((u32*)(p))[0] = U32TO32_BIG(v))
#define U64TO8_BIG(p, v) (((u64*)(p))[0] = U64TO64_BIG(v))
#else
#define U8TO16_LITTLE(p) \
(((u16)((p)[0]) ) | \
((u16)((p)[1]) << 8))
#define U8TO32_LITTLE(p) \
(((u32)((p)[0]) ) | \
((u32)((p)[1]) << 8) | \
((u32)((p)[2]) << 16) | \
((u32)((p)[3]) << 24))
#ifdef ECRYPT_NATIVE64
#define U8TO64_LITTLE(p) \
(((u64)((p)[0]) ) | \
((u64)((p)[1]) << 8) | \
((u64)((p)[2]) << 16) | \
((u64)((p)[3]) << 24) | \
((u64)((p)[4]) << 32) | \
((u64)((p)[5]) << 40) | \
((u64)((p)[6]) << 48) | \
((u64)((p)[7]) << 56))
#else
#define U8TO64_LITTLE(p) \
((u64)U8TO32_LITTLE(p) | ((u64)U8TO32_LITTLE((p) + 4) << 32))
#endif
#define U8TO16_BIG(p) \
(((u16)((p)[0]) << 8) | \
((u16)((p)[1]) ))
#define U8TO32_BIG(p) \
(((u32)((p)[0]) << 24) | \
((u32)((p)[1]) << 16) | \
((u32)((p)[2]) << 8) | \
((u32)((p)[3]) ))
#ifdef ECRYPT_NATIVE64
#define U8TO64_BIG(p) \
(((u64)((p)[0]) << 56) | \
((u64)((p)[1]) << 48) | \
((u64)((p)[2]) << 40) | \
((u64)((p)[3]) << 32) | \
((u64)((p)[4]) << 24) | \
((u64)((p)[5]) << 16) | \
((u64)((p)[6]) << 8) | \
((u64)((p)[7]) ))
#else
#define U8TO64_BIG(p) \
(((u64)U8TO32_BIG(p) << 32) | (u64)U8TO32_BIG((p) + 4))
#endif
#define U16TO8_LITTLE(p, v) \
do { \
(p)[0] = U8V((v) ); \
(p)[1] = U8V((v) >> 8); \
} while (0)
#define U32TO8_LITTLE(p, v) \
do { \
(p)[0] = U8V((v) ); \
(p)[1] = U8V((v) >> 8); \
(p)[2] = U8V((v) >> 16); \
(p)[3] = U8V((v) >> 24); \
} while (0)
#ifdef ECRYPT_NATIVE64
#define U64TO8_LITTLE(p, v) \
do { \
(p)[0] = U8V((v) ); \
(p)[1] = U8V((v) >> 8); \
(p)[2] = U8V((v) >> 16); \
(p)[3] = U8V((v) >> 24); \
(p)[4] = U8V((v) >> 32); \
(p)[5] = U8V((v) >> 40); \
(p)[6] = U8V((v) >> 48); \
(p)[7] = U8V((v) >> 56); \
} while (0)
#else
#define U64TO8_LITTLE(p, v) \
do { \
U32TO8_LITTLE((p), U32V((v) )); \
U32TO8_LITTLE((p) + 4, U32V((v) >> 32)); \
} while (0)
#endif
#define U16TO8_BIG(p, v) \
do { \
(p)[0] = U8V((v) ); \
(p)[1] = U8V((v) >> 8); \
} while (0)
#define U32TO8_BIG(p, v) \
do { \
(p)[0] = U8V((v) >> 24); \
(p)[1] = U8V((v) >> 16); \
(p)[2] = U8V((v) >> 8); \
(p)[3] = U8V((v) ); \
} while (0)
#ifdef ECRYPT_NATIVE64
#define U64TO8_BIG(p, v) \
do { \
(p)[0] = U8V((v) >> 56); \
(p)[1] = U8V((v) >> 48); \
(p)[2] = U8V((v) >> 40); \
(p)[3] = U8V((v) >> 32); \
(p)[4] = U8V((v) >> 24); \
(p)[5] = U8V((v) >> 16); \
(p)[6] = U8V((v) >> 8); \
(p)[7] = U8V((v) ); \
} while (0)
#else
#define U64TO8_BIG(p, v) \
do { \
U32TO8_BIG((p), U32V((v) >> 32)); \
U32TO8_BIG((p) + 4, U32V((v) )); \
} while (0)
#endif
#endif
#include "ecrypt-machine.h"
/* ------------------------------------------------------------------------- */
#endif
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