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
|
// Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#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)))); \
[[fallthrough]]; \
case 7: \
l2 |= ((uint32_t)(*(--(c)))) << 8; \
[[fallthrough]]; \
case 6: \
l2 |= ((uint32_t)(*(--(c)))) << 16; \
[[fallthrough]]; \
case 5: \
l2 |= ((uint32_t)(*(--(c)))) << 24; \
[[fallthrough]]; \
case 4: \
l1 = ((uint32_t)(*(--(c)))); \
[[fallthrough]]; \
case 3: \
l1 |= ((uint32_t)(*(--(c)))) << 8; \
[[fallthrough]]; \
case 2: \
l1 |= ((uint32_t)(*(--(c)))) << 16; \
[[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); \
[[fallthrough]]; \
case 7: \
*(--(c)) = (unsigned char)(((l2) >> 8) & 0xff); \
[[fallthrough]]; \
case 6: \
*(--(c)) = (unsigned char)(((l2) >> 16) & 0xff); \
[[fallthrough]]; \
case 5: \
*(--(c)) = (unsigned char)(((l2) >> 24) & 0xff); \
[[fallthrough]]; \
case 4: \
*(--(c)) = (unsigned char)(((l1)) & 0xff); \
[[fallthrough]]; \
case 3: \
*(--(c)) = (unsigned char)(((l1) >> 8) & 0xff); \
[[fallthrough]]; \
case 2: \
*(--(c)) = (unsigned char)(((l1) >> 16) & 0xff); \
[[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
|
