85 lines
3.8 KiB
C
85 lines
3.8 KiB
C
// Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) All rights reserved.
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
#ifndef OPENSSL_HEADER_DECREPIT_MACROS_H
|
|
#define OPENSSL_HEADER_DECREPIT_MACROS_H
|
|
|
|
#include "../crypto/internal.h"
|
|
|
|
|
|
// NOTE - c is not incremented as per n2l
|
|
#define n2ln(c, l1, l2, n) \
|
|
{ \
|
|
c += n; \
|
|
l1 = l2 = 0; \
|
|
switch (n) { \
|
|
case 8: \
|
|
l2 = ((uint32_t)(*(--(c)))); \
|
|
OPENSSL_FALLTHROUGH; \
|
|
case 7: \
|
|
l2 |= ((uint32_t)(*(--(c)))) << 8; \
|
|
OPENSSL_FALLTHROUGH; \
|
|
case 6: \
|
|
l2 |= ((uint32_t)(*(--(c)))) << 16; \
|
|
OPENSSL_FALLTHROUGH; \
|
|
case 5: \
|
|
l2 |= ((uint32_t)(*(--(c)))) << 24; \
|
|
OPENSSL_FALLTHROUGH; \
|
|
case 4: \
|
|
l1 = ((uint32_t)(*(--(c)))); \
|
|
OPENSSL_FALLTHROUGH; \
|
|
case 3: \
|
|
l1 |= ((uint32_t)(*(--(c)))) << 8; \
|
|
OPENSSL_FALLTHROUGH; \
|
|
case 2: \
|
|
l1 |= ((uint32_t)(*(--(c)))) << 16; \
|
|
OPENSSL_FALLTHROUGH; \
|
|
case 1: \
|
|
l1 |= ((uint32_t)(*(--(c)))) << 24; \
|
|
} \
|
|
}
|
|
|
|
// NOTE - c is not incremented as per l2n
|
|
#define l2nn(l1, l2, c, n) \
|
|
{ \
|
|
c += n; \
|
|
switch (n) { \
|
|
case 8: \
|
|
*(--(c)) = (unsigned char)(((l2)) & 0xff); \
|
|
OPENSSL_FALLTHROUGH; \
|
|
case 7: \
|
|
*(--(c)) = (unsigned char)(((l2) >> 8) & 0xff); \
|
|
OPENSSL_FALLTHROUGH; \
|
|
case 6: \
|
|
*(--(c)) = (unsigned char)(((l2) >> 16) & 0xff); \
|
|
OPENSSL_FALLTHROUGH; \
|
|
case 5: \
|
|
*(--(c)) = (unsigned char)(((l2) >> 24) & 0xff); \
|
|
OPENSSL_FALLTHROUGH; \
|
|
case 4: \
|
|
*(--(c)) = (unsigned char)(((l1)) & 0xff); \
|
|
OPENSSL_FALLTHROUGH; \
|
|
case 3: \
|
|
*(--(c)) = (unsigned char)(((l1) >> 8) & 0xff); \
|
|
OPENSSL_FALLTHROUGH; \
|
|
case 2: \
|
|
*(--(c)) = (unsigned char)(((l1) >> 16) & 0xff); \
|
|
OPENSSL_FALLTHROUGH; \
|
|
case 1: \
|
|
*(--(c)) = (unsigned char)(((l1) >> 24) & 0xff); \
|
|
} \
|
|
}
|
|
|
|
#define l2n(l, c) \
|
|
(*((c)++) = (unsigned char)(((l) >> 24L) & 0xff), \
|
|
*((c)++) = (unsigned char)(((l) >> 16L) & 0xff), \
|
|
*((c)++) = (unsigned char)(((l) >> 8L) & 0xff), \
|
|
*((c)++) = (unsigned char)(((l)) & 0xff))
|
|
|
|
#define n2l(c, l) \
|
|
(l = ((uint32_t)(*((c)++))) << 24L, l |= ((uint32_t)(*((c)++))) << 16L, \
|
|
l |= ((uint32_t)(*((c)++))) << 8L, l |= ((uint32_t)(*((c)++))))
|
|
|
|
|
|
#endif // OPENSSL_HEADER_DECREPIT_MACROS_H
|