145 lines
6.2 KiB
C
Vendored
145 lines
6.2 KiB
C
Vendored
/*
|
|
* Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the Apache License 2.0 (the "License"). You may not use
|
|
* this file except in compliance with the License. You can obtain a copy
|
|
* in the file LICENSE in the source distribution or at
|
|
* https://www.openssl.org/source/license.html
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
|
|
#undef c2l
|
|
#define c2l(c, l) (l = ((unsigned long)(*((c)++))), \
|
|
l |= ((unsigned long)(*((c)++))) << 8L, \
|
|
l |= ((unsigned long)(*((c)++))) << 16L, \
|
|
l |= ((unsigned long)(*((c)++))) << 24L)
|
|
|
|
/* NOTE - c is not incremented as per c2l */
|
|
#undef c2ln
|
|
#define c2ln(c, l1, l2, n) \
|
|
{ \
|
|
c += n; \
|
|
l1 = l2 = 0; \
|
|
switch (n) { \
|
|
case 8: \
|
|
l2 = ((unsigned long)(*(--(c)))) << 24L; \
|
|
/* fall through */ \
|
|
case 7: \
|
|
l2 |= ((unsigned long)(*(--(c)))) << 16L; \
|
|
/* fall through */ \
|
|
case 6: \
|
|
l2 |= ((unsigned long)(*(--(c)))) << 8L; \
|
|
/* fall through */ \
|
|
case 5: \
|
|
l2 |= ((unsigned long)(*(--(c)))); \
|
|
/* fall through */ \
|
|
case 4: \
|
|
l1 = ((unsigned long)(*(--(c)))) << 24L; \
|
|
/* fall through */ \
|
|
case 3: \
|
|
l1 |= ((unsigned long)(*(--(c)))) << 16L; \
|
|
/* fall through */ \
|
|
case 2: \
|
|
l1 |= ((unsigned long)(*(--(c)))) << 8L; \
|
|
/* fall through */ \
|
|
case 1: \
|
|
l1 |= ((unsigned long)(*(--(c)))); \
|
|
} \
|
|
}
|
|
|
|
#undef l2c
|
|
#define l2c(l, c) (*((c)++) = (unsigned char)(((l)) & 0xff), \
|
|
*((c)++) = (unsigned char)(((l) >> 8L) & 0xff), \
|
|
*((c)++) = (unsigned char)(((l) >> 16L) & 0xff), \
|
|
*((c)++) = (unsigned char)(((l) >> 24L) & 0xff))
|
|
|
|
/* NOTE - c is not incremented as per l2c */
|
|
#undef l2cn
|
|
#define l2cn(l1, l2, c, n) \
|
|
{ \
|
|
c += n; \
|
|
switch (n) { \
|
|
case 8: \
|
|
*(--(c)) = (unsigned char)(((l2) >> 24L) & 0xff); \
|
|
/* fall through */ \
|
|
case 7: \
|
|
*(--(c)) = (unsigned char)(((l2) >> 16L) & 0xff); \
|
|
/* fall through */ \
|
|
case 6: \
|
|
*(--(c)) = (unsigned char)(((l2) >> 8L) & 0xff); \
|
|
/* fall through */ \
|
|
case 5: \
|
|
*(--(c)) = (unsigned char)(((l2)) & 0xff); \
|
|
/* fall through */ \
|
|
case 4: \
|
|
*(--(c)) = (unsigned char)(((l1) >> 24L) & 0xff); \
|
|
/* fall through */ \
|
|
case 3: \
|
|
*(--(c)) = (unsigned char)(((l1) >> 16L) & 0xff); \
|
|
/* fall through */ \
|
|
case 2: \
|
|
*(--(c)) = (unsigned char)(((l1) >> 8L) & 0xff); \
|
|
/* fall through */ \
|
|
case 1: \
|
|
*(--(c)) = (unsigned char)(((l1)) & 0xff); \
|
|
} \
|
|
}
|
|
|
|
#if (defined(OPENSSL_SYS_WIN32) && defined(_MSC_VER))
|
|
#define ROTATE_l32(a, n) _lrotl(a, n)
|
|
#define ROTATE_r32(a, n) _lrotr(a, n)
|
|
#elif defined(__ICC)
|
|
#define ROTATE_l32(a, n) _rotl(a, n)
|
|
#define ROTATE_r32(a, n) _rotr(a, n)
|
|
#elif defined(__GNUC__) && __GNUC__ >= 2 && !defined(__STRICT_ANSI__) && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) && !defined(PEDANTIC)
|
|
#if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__)
|
|
#define ROTATE_l32(a, n) ({ \
|
|
register unsigned int ret; \
|
|
asm("roll %%cl,%0" \
|
|
: "=r"(ret) \
|
|
: "c"(n), "0"((unsigned int)(a)) \
|
|
: "cc"); \
|
|
ret; \
|
|
})
|
|
#define ROTATE_r32(a, n) ({ \
|
|
register unsigned int ret; \
|
|
asm("rorl %%cl,%0" \
|
|
: "=r"(ret) \
|
|
: "c"(n), "0"((unsigned int)(a)) \
|
|
: "cc"); \
|
|
ret; \
|
|
})
|
|
#endif
|
|
#endif
|
|
#ifndef ROTATE_l32
|
|
#define ROTATE_l32(a, n) (((a) << (n & 0x1f)) | (((a) & 0xffffffff) >> ((32 - n) & 0x1f)))
|
|
#endif
|
|
#ifndef ROTATE_r32
|
|
#define ROTATE_r32(a, n) (((a) << ((32 - n) & 0x1f)) | (((a) & 0xffffffff) >> (n & 0x1f)))
|
|
#endif
|
|
|
|
#define RC5_32_MASK 0xffffffffL
|
|
|
|
#define RC5_32_P 0xB7E15163L
|
|
#define RC5_32_Q 0x9E3779B9L
|
|
|
|
#define E_RC5_32(a, b, s, n) \
|
|
a ^= b; \
|
|
a = ROTATE_l32(a, b); \
|
|
a += s[n]; \
|
|
a &= RC5_32_MASK; \
|
|
b ^= a; \
|
|
b = ROTATE_l32(b, a); \
|
|
b += s[n + 1]; \
|
|
b &= RC5_32_MASK;
|
|
|
|
#define D_RC5_32(a, b, s, n) \
|
|
b -= s[n + 1]; \
|
|
b &= RC5_32_MASK; \
|
|
b = ROTATE_r32(b, a); \
|
|
b ^= a; \
|
|
a -= s[n]; \
|
|
a &= RC5_32_MASK; \
|
|
a = ROTATE_r32(a, b); \
|
|
a ^= b;
|