| 1 | /*
|
|---|
| 2 | * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
|
|---|
| 3 | *
|
|---|
| 4 | * Licensed under the Apache License 2.0 (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 | #undef c2l
|
|---|
| 11 | #define c2l(c,l) (l =((unsigned long)(*((c)++))) , \
|
|---|
| 12 | l|=((unsigned long)(*((c)++)))<< 8L, \
|
|---|
| 13 | l|=((unsigned long)(*((c)++)))<<16L, \
|
|---|
| 14 | l|=((unsigned long)(*((c)++)))<<24L)
|
|---|
| 15 |
|
|---|
| 16 | /* NOTE - c is not incremented as per c2l */
|
|---|
| 17 | #undef c2ln
|
|---|
| 18 | #define c2ln(c,l1,l2,n) { \
|
|---|
| 19 | c+=n; \
|
|---|
| 20 | l1=l2=0; \
|
|---|
| 21 | switch (n) { \
|
|---|
| 22 | case 8: l2 =((unsigned long)(*(--(c))))<<24L; \
|
|---|
| 23 | /* fall through */ \
|
|---|
| 24 | case 7: l2|=((unsigned long)(*(--(c))))<<16L; \
|
|---|
| 25 | /* fall through */ \
|
|---|
| 26 | case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \
|
|---|
| 27 | /* fall through */ \
|
|---|
| 28 | case 5: l2|=((unsigned long)(*(--(c)))); \
|
|---|
| 29 | /* fall through */ \
|
|---|
| 30 | case 4: l1 =((unsigned long)(*(--(c))))<<24L; \
|
|---|
| 31 | /* fall through */ \
|
|---|
| 32 | case 3: l1|=((unsigned long)(*(--(c))))<<16L; \
|
|---|
| 33 | /* fall through */ \
|
|---|
| 34 | case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \
|
|---|
| 35 | /* fall through */ \
|
|---|
| 36 | case 1: l1|=((unsigned long)(*(--(c)))); \
|
|---|
| 37 | } \
|
|---|
| 38 | }
|
|---|
| 39 |
|
|---|
| 40 | #undef l2c
|
|---|
| 41 | #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
|
|---|
| 42 | *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
|
|---|
| 43 | *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
|
|---|
| 44 | *((c)++)=(unsigned char)(((l)>>24L)&0xff))
|
|---|
| 45 |
|
|---|
| 46 | /* NOTE - c is not incremented as per l2c */
|
|---|
| 47 | #undef l2cn
|
|---|
| 48 | #define l2cn(l1,l2,c,n) { \
|
|---|
| 49 | c+=n; \
|
|---|
| 50 | switch (n) { \
|
|---|
| 51 | case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff); \
|
|---|
| 52 | /* fall through */ \
|
|---|
| 53 | case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \
|
|---|
| 54 | /* fall through */ \
|
|---|
| 55 | case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \
|
|---|
| 56 | /* fall through */ \
|
|---|
| 57 | case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
|
|---|
| 58 | /* fall through */ \
|
|---|
| 59 | case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \
|
|---|
| 60 | /* fall through */ \
|
|---|
| 61 | case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \
|
|---|
| 62 | /* fall through */ \
|
|---|
| 63 | case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \
|
|---|
| 64 | /* fall through */ \
|
|---|
| 65 | case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
|
|---|
| 66 | } \
|
|---|
| 67 | }
|
|---|
| 68 |
|
|---|
| 69 | /* NOTE - c is not incremented as per n2l */
|
|---|
| 70 | #define n2ln(c,l1,l2,n) { \
|
|---|
| 71 | c+=n; \
|
|---|
| 72 | l1=l2=0; \
|
|---|
| 73 | switch (n) { \
|
|---|
| 74 | case 8: l2 =((unsigned long)(*(--(c)))) ; \
|
|---|
| 75 | /* fall through */ \
|
|---|
| 76 | case 7: l2|=((unsigned long)(*(--(c))))<< 8; \
|
|---|
| 77 | /* fall through */ \
|
|---|
| 78 | case 6: l2|=((unsigned long)(*(--(c))))<<16; \
|
|---|
| 79 | /* fall through */ \
|
|---|
| 80 | case 5: l2|=((unsigned long)(*(--(c))))<<24; \
|
|---|
| 81 | /* fall through */ \
|
|---|
| 82 | case 4: l1 =((unsigned long)(*(--(c)))) ; \
|
|---|
| 83 | /* fall through */ \
|
|---|
| 84 | case 3: l1|=((unsigned long)(*(--(c))))<< 8; \
|
|---|
| 85 | /* fall through */ \
|
|---|
| 86 | case 2: l1|=((unsigned long)(*(--(c))))<<16; \
|
|---|
| 87 | /* fall through */ \
|
|---|
| 88 | case 1: l1|=((unsigned long)(*(--(c))))<<24; \
|
|---|
| 89 | } \
|
|---|
| 90 | }
|
|---|
| 91 |
|
|---|
| 92 | /* NOTE - c is not incremented as per l2n */
|
|---|
| 93 | #define l2nn(l1,l2,c,n) { \
|
|---|
| 94 | c+=n; \
|
|---|
| 95 | switch (n) { \
|
|---|
| 96 | case 8: *(--(c))=(unsigned char)(((l2) )&0xff); \
|
|---|
| 97 | /* fall through */ \
|
|---|
| 98 | case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
|
|---|
| 99 | /* fall through */ \
|
|---|
| 100 | case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
|
|---|
| 101 | /* fall through */ \
|
|---|
| 102 | case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
|
|---|
| 103 | /* fall through */ \
|
|---|
| 104 | case 4: *(--(c))=(unsigned char)(((l1) )&0xff); \
|
|---|
| 105 | /* fall through */ \
|
|---|
| 106 | case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
|
|---|
| 107 | /* fall through */ \
|
|---|
| 108 | case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
|
|---|
| 109 | /* fall through */ \
|
|---|
| 110 | case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
|
|---|
| 111 | } \
|
|---|
| 112 | }
|
|---|
| 113 |
|
|---|
| 114 | #undef n2l
|
|---|
| 115 | #define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24L, \
|
|---|
| 116 | l|=((unsigned long)(*((c)++)))<<16L, \
|
|---|
| 117 | l|=((unsigned long)(*((c)++)))<< 8L, \
|
|---|
| 118 | l|=((unsigned long)(*((c)++))))
|
|---|
| 119 |
|
|---|
| 120 | #undef l2n
|
|---|
| 121 | #define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \
|
|---|
| 122 | *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
|
|---|
| 123 | *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
|
|---|
| 124 | *((c)++)=(unsigned char)(((l) )&0xff))
|
|---|
| 125 |
|
|---|
| 126 | #define C_RC2(n) \
|
|---|
| 127 | t=(x0+(x1& ~x3)+(x2&x3)+ *(p0++))&0xffff; \
|
|---|
| 128 | x0=(t<<1)|(t>>15); \
|
|---|
| 129 | t=(x1+(x2& ~x0)+(x3&x0)+ *(p0++))&0xffff; \
|
|---|
| 130 | x1=(t<<2)|(t>>14); \
|
|---|
| 131 | t=(x2+(x3& ~x1)+(x0&x1)+ *(p0++))&0xffff; \
|
|---|
| 132 | x2=(t<<3)|(t>>13); \
|
|---|
| 133 | t=(x3+(x0& ~x2)+(x1&x2)+ *(p0++))&0xffff; \
|
|---|
| 134 | x3=(t<<5)|(t>>11);
|
|---|
