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/* Definitions for types and macros used in chacha_merged.c. Taken from
* supercop.
*/
#include <limits.h>
typedef struct
{
u32 input[16]; /* could be compressed */
/*
* [edit]
*
* Put here all state variable needed during the encryption process.
*/
} ECRYPT_ctx;
#if (UCHAR_MAX / 0xFFFFU > 0xFFFFU)
#ifndef I32T
#define I32T char
#define U32C(v) (v##U)
#endif
#endif
#if (USHRT_MAX / 0xFFFFU > 0xFFFFU)
#ifndef I32T
#define I32T short
#define U32C(v) (v##U)
#endif
#endif
#if (UINT_MAX / 0xFFFFU > 0xFFFFU)
#ifndef I32T
#define I32T int
#define U32C(v) (v##U)
#endif
#endif
#if (ULONG_MAX / 0xFFFFUL > 0xFFFFUL)
#ifndef I32T
#define I32T long
#define U32C(v) (v##UL)
#endif
#endif
#define U8C(v) (v ## U)
#define U32V(v) ((u32)(v) & U32C(0xFFFFFFFF))
#define U8V(v) ((u8)(v) & U8C(0xFF))
#if (defined(WIN32) && defined(_MSC_VER))
#include <stdlib.h>
#pragma intrinsic(_lrotl) /* compile rotations "inline" */
#define ROTL32(v, n) _lrotl(v, n)
#else
#define ROTL32(v, n) \
(U32V((v) << (n)) | ((v) >> (32 - (n))))
#endif
#if ECRYPT_LITTLE_ENDIAN
#define U32TO32_LITTLE(v) (v)
#endif
#ifdef ECRYPT_BIG_ENDIAN
#define SWAP32(v) \
((ROTL32(v, 8) & U32C(0x00FF00FF)) | \
(ROTL32(v, 24) & U32C(0xFF00FF00)))
#define U32TO32_LITTLE(v) SWAP32(v)
#endif
#ifdef U32TO32_LITTLE
#define U8TO32_LITTLE(p) U32TO32_LITTLE(((u32*)(p))[0])
#define U32TO8_LITTLE(p, v) (((u32*)(p))[0] = U32TO32_LITTLE(v))
#else
#define U8TO32_LITTLE(p) \
(((u32)((p)[0]) ) | \
((u32)((p)[1]) << 8) | \
((u32)((p)[2]) << 16) | \
((u32)((p)[3]) << 24))
#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)
#endif
/*
* The LITTLE endian machines:
*/
#if defined(__ultrix) /* Older MIPS */
#define ECRYPT_LITTLE_ENDIAN
#elif defined(__alpha) /* Alpha */
#define ECRYPT_LITTLE_ENDIAN
#elif defined(i386) /* x86 (gcc) */
#define ECRYPT_LITTLE_ENDIAN
#elif defined(__i386) /* x86 (gcc) */
#define ECRYPT_LITTLE_ENDIAN
#elif defined(__x86_64) /* x86_64 (gcc) */
#define ECRYPT_LITTLE_ENDIAN
#elif defined(_M_IX86) /* x86 (MSC, Borland) */
#define ECRYPT_LITTLE_ENDIAN
#elif defined(_MSC_VER) /* x86 (surely MSC) */
#define ECRYPT_LITTLE_ENDIAN
#elif defined(__INTEL_COMPILER) /* x86 (surely Intel compiler icl.exe) */
#define ECRYPT_LITTLE_ENDIAN
/*
* The BIG endian machines:
*/
#elif defined(__sparc) /* Newer Sparc's */
#define ECRYPT_BIG_ENDIAN
#elif defined(__powerpc__) /* PowerPC */
#define ECRYPT_BIG_ENDIAN
#elif defined(__ppc__) /* PowerPC */
#define ECRYPT_BIG_ENDIAN
#elif defined(__hppa) /* HP-PA */
#define ECRYPT_BIG_ENDIAN
/*
* Finally machines with UNKNOWN endianness:
*/
#elif defined (_AIX) /* RS6000 */
#define ECRYPT_UNKNOWN
#elif defined(__aux) /* 68K */
#define ECRYPT_UNKNOWN
#elif defined(__dgux) /* 88K (but P6 in latest boxes) */
#define ECRYPT_UNKNOWN
#elif defined(__sgi) /* Newer MIPS */
#define ECRYPT_UNKNOWN
#else /* Any other processor */
#define ECRYPT_UNKNOWN
#endif
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