aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/openssl/crypto/rc2/rc2_local.h
blob: e4dad947872cbbdf091f2ada6d8a575f7cd7b952 (plain) (blame)
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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
/*
 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (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
 */

#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 thru */                               \
                        case 7: l2|=((unsigned long)(*(--(c))))<<16L; \
                        /* fall thru */                               \
                        case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \
                        /* fall thru */                               \
                        case 5: l2|=((unsigned long)(*(--(c))));      \
                        /* fall thru */                               \
                        case 4: l1 =((unsigned long)(*(--(c))))<<24L; \
                        /* fall thru */                               \
                        case 3: l1|=((unsigned long)(*(--(c))))<<16L; \
                        /* fall thru */                               \
                        case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \
                        /* fall thru */                               \
                        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 thru */                                     \
                        case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \
                        /* fall thru */                                     \
                        case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \
                        /* fall thru */                                     \
                        case 5: *(--(c))=(unsigned char)(((l2)     )&0xff); \
                        /* fall thru */                                     \
                        case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \
                        /* fall thru */                                     \
                        case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \
                        /* fall thru */                                     \
                        case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \
                        /* fall thru */                                     \
                        case 1: *(--(c))=(unsigned char)(((l1)     )&0xff); \
                                } \
                        }

/* NOTE - c is not incremented as per n2l */
#define n2ln(c,l1,l2,n) { \
                        c+=n; \
                        l1=l2=0; \
                        switch (n) { \
                        case 8: l2 =((unsigned long)(*(--(c))))    ; \
                        /* fall thru */                              \
                        case 7: l2|=((unsigned long)(*(--(c))))<< 8; \
                        /* fall thru */                              \
                        case 6: l2|=((unsigned long)(*(--(c))))<<16; \
                        /* fall thru */                              \
                        case 5: l2|=((unsigned long)(*(--(c))))<<24; \
                        /* fall thru */                              \
                        case 4: l1 =((unsigned long)(*(--(c))))    ; \
                        /* fall thru */                              \
                        case 3: l1|=((unsigned long)(*(--(c))))<< 8; \
                        /* fall thru */                              \
                        case 2: l1|=((unsigned long)(*(--(c))))<<16; \
                        /* fall thru */                              \
                        case 1: l1|=((unsigned long)(*(--(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); \
                        /* fall thru */                                    \
                        case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
                        /* fall thru */                                    \
                        case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
                        /* fall thru */                                    \
                        case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
                        /* fall thru */                                    \
                        case 4: *(--(c))=(unsigned char)(((l1)    )&0xff); \
                        /* fall thru */                                    \
                        case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
                        /* fall thru */                                    \
                        case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
                        /* fall thru */                                    \
                        case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
                                } \
                        }

#undef n2l
#define n2l(c,l)        (l =((unsigned long)(*((c)++)))<<24L, \
                         l|=((unsigned long)(*((c)++)))<<16L, \
                         l|=((unsigned long)(*((c)++)))<< 8L, \
                         l|=((unsigned long)(*((c)++))))

#undef l2n
#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 C_RC2(n) \
        t=(x0+(x1& ~x3)+(x2&x3)+ *(p0++))&0xffff; \
        x0=(t<<1)|(t>>15); \
        t=(x1+(x2& ~x0)+(x3&x0)+ *(p0++))&0xffff; \
        x1=(t<<2)|(t>>14); \
        t=(x2+(x3& ~x1)+(x0&x1)+ *(p0++))&0xffff; \
        x2=(t<<3)|(t>>13); \
        t=(x3+(x0& ~x2)+(x1&x2)+ *(p0++))&0xffff; \
        x3=(t<<5)|(t>>11);