| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 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 | #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 thru */ \ |
| 24 | case 7: l2|=((unsigned long)(*(--(c))))<<16L; \ |
| 25 | /* fall thru */ \ |
| 26 | case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \ |
| 27 | /* fall thru */ \ |
| 28 | case 5: l2|=((unsigned long)(*(--(c)))); \ |
| 29 | /* fall thru */ \ |
| 30 | case 4: l1 =((unsigned long)(*(--(c))))<<24L; \ |
| 31 | /* fall thru */ \ |
| 32 | case 3: l1|=((unsigned long)(*(--(c))))<<16L; \ |
| 33 | /* fall thru */ \ |
| 34 | case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \ |
| 35 | /* fall thru */ \ |
| 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 thru */ \ |
| 53 | case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \ |
| 54 | /* fall thru */ \ |
| 55 | case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \ |
| 56 | /* fall thru */ \ |
| 57 | case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ |
| 58 | /* fall thru */ \ |
| 59 | case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \ |
| 60 | /* fall thru */ \ |
| 61 | case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \ |
| 62 | /* fall thru */ \ |
| 63 | case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \ |
| 64 | /* fall thru */ \ |
| 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 thru */ \ |
| 76 | case 7: l2|=((unsigned long)(*(--(c))))<< 8; \ |
| 77 | /* fall thru */ \ |
| 78 | case 6: l2|=((unsigned long)(*(--(c))))<<16; \ |
| 79 | /* fall thru */ \ |
| 80 | case 5: l2|=((unsigned long)(*(--(c))))<<24; \ |
| 81 | /* fall thru */ \ |
| 82 | case 4: l1 =((unsigned long)(*(--(c)))) ; \ |
| 83 | /* fall thru */ \ |
| 84 | case 3: l1|=((unsigned long)(*(--(c))))<< 8; \ |
| 85 | /* fall thru */ \ |
| 86 | case 2: l1|=((unsigned long)(*(--(c))))<<16; \ |
| 87 | /* fall thru */ \ |
| 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 thru */ \ |
| 98 | case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ |
| 99 | /* fall thru */ \ |
| 100 | case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ |
| 101 | /* fall thru */ \ |
| 102 | case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ |
| 103 | /* fall thru */ \ |
| 104 | case 4: *(--(c))=(unsigned char)(((l1) )&0xff); \ |
| 105 | /* fall thru */ \ |
| 106 | case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ |
| 107 | /* fall thru */ \ |
| 108 | case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ |
| 109 | /* fall thru */ \ |
| 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); |