mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-23 14:58:09 +00:00
276 lines
6.6 KiB
C
276 lines
6.6 KiB
C
/* 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"
|
|
#include "ecrypt-types.h"
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
/*
|
|
* 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"
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
#define AT_LEAST_ONE(n) (((n) < 1) ? 1 : (n))
|
|
|
|
#define ALIGN(t, v, n) \
|
|
union { t b[n]; MAXT l[AT_LEAST_ONE(n * sizeof(t) / sizeof(MAXT))]; } v
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
#endif
|