[331] | 1 | /*
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| 2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #undef c2l
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| 11 | #define c2l(c,l) (l =((unsigned long)(*((c)++))) , \
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| 12 | l|=((unsigned long)(*((c)++)))<< 8L, \
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| 13 | l|=((unsigned long)(*((c)++)))<<16L, \
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| 14 | l|=((unsigned long)(*((c)++)))<<24L)
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| 15 |
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| 16 | /* NOTE - c is not incremented as per c2l */
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| 17 | #undef c2ln
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| 18 | #define c2ln(c,l1,l2,n) { \
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| 19 | c+=n; \
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| 20 | l1=l2=0; \
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| 21 | switch (n) { \
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| 22 | case 8: l2 =((unsigned long)(*(--(c))))<<24L; \
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| 23 | case 7: l2|=((unsigned long)(*(--(c))))<<16L; \
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| 24 | case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \
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| 25 | case 5: l2|=((unsigned long)(*(--(c)))); \
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| 26 | case 4: l1 =((unsigned long)(*(--(c))))<<24L; \
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| 27 | case 3: l1|=((unsigned long)(*(--(c))))<<16L; \
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| 28 | case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \
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| 29 | case 1: l1|=((unsigned long)(*(--(c)))); \
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| 30 | } \
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| 31 | }
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| 32 |
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| 33 | #undef l2c
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| 34 | #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
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| 35 | *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
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| 36 | *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
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| 37 | *((c)++)=(unsigned char)(((l)>>24L)&0xff))
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| 38 |
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| 39 | /* NOTE - c is not incremented as per l2c */
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| 40 | #undef l2cn
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| 41 | #define l2cn(l1,l2,c,n) { \
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| 42 | c+=n; \
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| 43 | switch (n) { \
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| 44 | case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff); \
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| 45 | case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \
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| 46 | case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \
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| 47 | case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
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| 48 | case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \
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| 49 | case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \
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| 50 | case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \
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| 51 | case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
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| 52 | } \
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| 53 | }
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| 54 |
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| 55 | /* NOTE - c is not incremented as per n2l */
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| 56 | #define n2ln(c,l1,l2,n) { \
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| 57 | c+=n; \
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| 58 | l1=l2=0; \
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| 59 | switch (n) { \
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| 60 | case 8: l2 =((unsigned long)(*(--(c)))) ; \
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| 61 | case 7: l2|=((unsigned long)(*(--(c))))<< 8; \
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| 62 | case 6: l2|=((unsigned long)(*(--(c))))<<16; \
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| 63 | case 5: l2|=((unsigned long)(*(--(c))))<<24; \
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| 64 | case 4: l1 =((unsigned long)(*(--(c)))) ; \
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| 65 | case 3: l1|=((unsigned long)(*(--(c))))<< 8; \
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| 66 | case 2: l1|=((unsigned long)(*(--(c))))<<16; \
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| 67 | case 1: l1|=((unsigned long)(*(--(c))))<<24; \
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| 68 | } \
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| 69 | }
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| 70 |
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| 71 | /* NOTE - c is not incremented as per l2n */
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| 72 | #define l2nn(l1,l2,c,n) { \
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| 73 | c+=n; \
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| 74 | switch (n) { \
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| 75 | case 8: *(--(c))=(unsigned char)(((l2) )&0xff); \
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| 76 | case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
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| 77 | case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
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| 78 | case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
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| 79 | case 4: *(--(c))=(unsigned char)(((l1) )&0xff); \
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| 80 | case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
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| 81 | case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
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| 82 | case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
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| 83 | } \
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| 84 | }
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| 85 |
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| 86 | #undef n2l
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| 87 | #define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24L, \
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| 88 | l|=((unsigned long)(*((c)++)))<<16L, \
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| 89 | l|=((unsigned long)(*((c)++)))<< 8L, \
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| 90 | l|=((unsigned long)(*((c)++))))
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| 91 |
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| 92 | #undef l2n
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| 93 | #define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \
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| 94 | *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
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| 95 | *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
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| 96 | *((c)++)=(unsigned char)(((l) )&0xff))
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| 97 |
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| 98 | #define C_RC2(n) \
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| 99 | t=(x0+(x1& ~x3)+(x2&x3)+ *(p0++))&0xffff; \
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| 100 | x0=(t<<1)|(t>>15); \
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| 101 | t=(x1+(x2& ~x0)+(x3&x0)+ *(p0++))&0xffff; \
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| 102 | x1=(t<<2)|(t>>14); \
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| 103 | t=(x2+(x3& ~x1)+(x0&x1)+ *(p0++))&0xffff; \
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| 104 | x2=(t<<3)|(t>>13); \
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| 105 | t=(x3+(x0& ~x2)+(x1&x2)+ *(p0++))&0xffff; \
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| 106 | x3=(t<<5)|(t>>11);
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