1 | /*
|
---|
2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
|
---|
3 | *
|
---|
4 | * Licensed under the OpenSSL license (the "License"). You may not use
|
---|
5 | * this file except in compliance with the License. You can obtain a copy
|
---|
6 | * in the file LICENSE in the source distribution or at
|
---|
7 | * https://www.openssl.org/source/license.html
|
---|
8 | */
|
---|
9 |
|
---|
10 | #include <stdlib.h>
|
---|
11 |
|
---|
12 | #undef c2l
|
---|
13 | #define c2l(c,l) (l =((unsigned long)(*((c)++))) , \
|
---|
14 | l|=((unsigned long)(*((c)++)))<< 8L, \
|
---|
15 | l|=((unsigned long)(*((c)++)))<<16L, \
|
---|
16 | l|=((unsigned long)(*((c)++)))<<24L)
|
---|
17 |
|
---|
18 | /* NOTE - c is not incremented as per c2l */
|
---|
19 | #undef c2ln
|
---|
20 | #define c2ln(c,l1,l2,n) { \
|
---|
21 | c+=n; \
|
---|
22 | l1=l2=0; \
|
---|
23 | switch (n) { \
|
---|
24 | case 8: l2 =((unsigned long)(*(--(c))))<<24L; \
|
---|
25 | case 7: l2|=((unsigned long)(*(--(c))))<<16L; \
|
---|
26 | case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \
|
---|
27 | case 5: l2|=((unsigned long)(*(--(c)))); \
|
---|
28 | case 4: l1 =((unsigned long)(*(--(c))))<<24L; \
|
---|
29 | case 3: l1|=((unsigned long)(*(--(c))))<<16L; \
|
---|
30 | case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \
|
---|
31 | case 1: l1|=((unsigned long)(*(--(c)))); \
|
---|
32 | } \
|
---|
33 | }
|
---|
34 |
|
---|
35 | #undef l2c
|
---|
36 | #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
|
---|
37 | *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
|
---|
38 | *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
|
---|
39 | *((c)++)=(unsigned char)(((l)>>24L)&0xff))
|
---|
40 |
|
---|
41 | /* NOTE - c is not incremented as per l2c */
|
---|
42 | #undef l2cn
|
---|
43 | #define l2cn(l1,l2,c,n) { \
|
---|
44 | c+=n; \
|
---|
45 | switch (n) { \
|
---|
46 | case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff); \
|
---|
47 | case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \
|
---|
48 | case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \
|
---|
49 | case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
|
---|
50 | case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \
|
---|
51 | case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \
|
---|
52 | case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \
|
---|
53 | case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
|
---|
54 | } \
|
---|
55 | }
|
---|
56 |
|
---|
57 | /* NOTE - c is not incremented as per n2l */
|
---|
58 | #define n2ln(c,l1,l2,n) { \
|
---|
59 | c+=n; \
|
---|
60 | l1=l2=0; \
|
---|
61 | switch (n) { \
|
---|
62 | case 8: l2 =((unsigned long)(*(--(c)))) ; \
|
---|
63 | case 7: l2|=((unsigned long)(*(--(c))))<< 8; \
|
---|
64 | case 6: l2|=((unsigned long)(*(--(c))))<<16; \
|
---|
65 | case 5: l2|=((unsigned long)(*(--(c))))<<24; \
|
---|
66 | case 4: l1 =((unsigned long)(*(--(c)))) ; \
|
---|
67 | case 3: l1|=((unsigned long)(*(--(c))))<< 8; \
|
---|
68 | case 2: l1|=((unsigned long)(*(--(c))))<<16; \
|
---|
69 | case 1: l1|=((unsigned long)(*(--(c))))<<24; \
|
---|
70 | } \
|
---|
71 | }
|
---|
72 |
|
---|
73 | /* NOTE - c is not incremented as per l2n */
|
---|
74 | #define l2nn(l1,l2,c,n) { \
|
---|
75 | c+=n; \
|
---|
76 | switch (n) { \
|
---|
77 | case 8: *(--(c))=(unsigned char)(((l2) )&0xff); \
|
---|
78 | case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
|
---|
79 | case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
|
---|
80 | case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
|
---|
81 | case 4: *(--(c))=(unsigned char)(((l1) )&0xff); \
|
---|
82 | case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
|
---|
83 | case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
|
---|
84 | case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
|
---|
85 | } \
|
---|
86 | }
|
---|
87 |
|
---|
88 | #undef n2l
|
---|
89 | #define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24L, \
|
---|
90 | l|=((unsigned long)(*((c)++)))<<16L, \
|
---|
91 | l|=((unsigned long)(*((c)++)))<< 8L, \
|
---|
92 | l|=((unsigned long)(*((c)++))))
|
---|
93 |
|
---|
94 | #undef l2n
|
---|
95 | #define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \
|
---|
96 | *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
|
---|
97 | *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
|
---|
98 | *((c)++)=(unsigned char)(((l) )&0xff))
|
---|
99 |
|
---|
100 | #if (defined(OPENSSL_SYS_WIN32) && defined(_MSC_VER))
|
---|
101 | # define ROTATE_l32(a,n) _lrotl(a,n)
|
---|
102 | # define ROTATE_r32(a,n) _lrotr(a,n)
|
---|
103 | #elif defined(__ICC)
|
---|
104 | # define ROTATE_l32(a,n) _rotl(a,n)
|
---|
105 | # define ROTATE_r32(a,n) _rotr(a,n)
|
---|
106 | #elif defined(__GNUC__) && __GNUC__>=2 && !defined(__STRICT_ANSI__) && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) && !defined(PEDANTIC)
|
---|
107 | # if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__)
|
---|
108 | # define ROTATE_l32(a,n) ({ register unsigned int ret; \
|
---|
109 | asm ("roll %%cl,%0" \
|
---|
110 | : "=r"(ret) \
|
---|
111 | : "c"(n),"0"((unsigned int)(a)) \
|
---|
112 | : "cc"); \
|
---|
113 | ret; \
|
---|
114 | })
|
---|
115 | # define ROTATE_r32(a,n) ({ register unsigned int ret; \
|
---|
116 | asm ("rorl %%cl,%0" \
|
---|
117 | : "=r"(ret) \
|
---|
118 | : "c"(n),"0"((unsigned int)(a)) \
|
---|
119 | : "cc"); \
|
---|
120 | ret; \
|
---|
121 | })
|
---|
122 | # endif
|
---|
123 | #endif
|
---|
124 | #ifndef ROTATE_l32
|
---|
125 | # define ROTATE_l32(a,n) (((a)<<(n&0x1f))|(((a)&0xffffffff)>>((32-n)&0x1f)))
|
---|
126 | #endif
|
---|
127 | #ifndef ROTATE_r32
|
---|
128 | # define ROTATE_r32(a,n) (((a)<<((32-n)&0x1f))|(((a)&0xffffffff)>>(n&0x1f)))
|
---|
129 | #endif
|
---|
130 |
|
---|
131 | #define RC5_32_MASK 0xffffffffL
|
---|
132 |
|
---|
133 | #define RC5_16_P 0xB7E1
|
---|
134 | #define RC5_16_Q 0x9E37
|
---|
135 | #define RC5_32_P 0xB7E15163L
|
---|
136 | #define RC5_32_Q 0x9E3779B9L
|
---|
137 | #define RC5_64_P 0xB7E151628AED2A6BLL
|
---|
138 | #define RC5_64_Q 0x9E3779B97F4A7C15LL
|
---|
139 |
|
---|
140 | #define E_RC5_32(a,b,s,n) \
|
---|
141 | a^=b; \
|
---|
142 | a=ROTATE_l32(a,b); \
|
---|
143 | a+=s[n]; \
|
---|
144 | a&=RC5_32_MASK; \
|
---|
145 | b^=a; \
|
---|
146 | b=ROTATE_l32(b,a); \
|
---|
147 | b+=s[n+1]; \
|
---|
148 | b&=RC5_32_MASK;
|
---|
149 |
|
---|
150 | #define D_RC5_32(a,b,s,n) \
|
---|
151 | b-=s[n+1]; \
|
---|
152 | b&=RC5_32_MASK; \
|
---|
153 | b=ROTATE_r32(b,a); \
|
---|
154 | b^=a; \
|
---|
155 | a-=s[n]; \
|
---|
156 | a&=RC5_32_MASK; \
|
---|
157 | a=ROTATE_r32(a,b); \
|
---|
158 | a^=b;
|
---|