1/* 2 * Copyright 1995-2016 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 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); 135