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- /*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the Apache License 2.0 (the "License"). You may not use
- * this file except in compliance with the License. You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
- */
- #undef c2l
- #define c2l(c,l) (l =((unsigned long)(*((c)++))) , \
- l|=((unsigned long)(*((c)++)))<< 8L, \
- l|=((unsigned long)(*((c)++)))<<16L, \
- l|=((unsigned long)(*((c)++)))<<24L)
- /* NOTE - c is not incremented as per c2l */
- #undef c2ln
- #define c2ln(c,l1,l2,n) { \
- c+=n; \
- l1=l2=0; \
- switch (n) { \
- case 8: l2 =((unsigned long)(*(--(c))))<<24L; \
- /* fall through */ \
- case 7: l2|=((unsigned long)(*(--(c))))<<16L; \
- /* fall through */ \
- case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \
- /* fall through */ \
- case 5: l2|=((unsigned long)(*(--(c)))); \
- /* fall through */ \
- case 4: l1 =((unsigned long)(*(--(c))))<<24L; \
- /* fall through */ \
- case 3: l1|=((unsigned long)(*(--(c))))<<16L; \
- /* fall through */ \
- case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \
- /* fall through */ \
- case 1: l1|=((unsigned long)(*(--(c)))); \
- } \
- }
- #undef l2c
- #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
- *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
- *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
- *((c)++)=(unsigned char)(((l)>>24L)&0xff))
- /* NOTE - c is not incremented as per l2c */
- #undef l2cn
- #define l2cn(l1,l2,c,n) { \
- c+=n; \
- switch (n) { \
- case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff); \
- /* fall through */ \
- case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \
- /* fall through */ \
- case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \
- /* fall through */ \
- case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
- /* fall through */ \
- case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \
- /* fall through */ \
- case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \
- /* fall through */ \
- case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \
- /* fall through */ \
- case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
- } \
- }
- /* NOTE - c is not incremented as per n2l */
- #define n2ln(c,l1,l2,n) { \
- c+=n; \
- l1=l2=0; \
- switch (n) { \
- case 8: l2 =((unsigned long)(*(--(c)))) ; \
- /* fall through */ \
- case 7: l2|=((unsigned long)(*(--(c))))<< 8; \
- /* fall through */ \
- case 6: l2|=((unsigned long)(*(--(c))))<<16; \
- /* fall through */ \
- case 5: l2|=((unsigned long)(*(--(c))))<<24; \
- /* fall through */ \
- case 4: l1 =((unsigned long)(*(--(c)))) ; \
- /* fall through */ \
- case 3: l1|=((unsigned long)(*(--(c))))<< 8; \
- /* fall through */ \
- case 2: l1|=((unsigned long)(*(--(c))))<<16; \
- /* fall through */ \
- case 1: l1|=((unsigned long)(*(--(c))))<<24; \
- } \
- }
- /* NOTE - c is not incremented as per l2n */
- #define l2nn(l1,l2,c,n) { \
- c+=n; \
- switch (n) { \
- case 8: *(--(c))=(unsigned char)(((l2) )&0xff); \
- /* fall through */ \
- case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
- /* fall through */ \
- case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
- /* fall through */ \
- case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
- /* fall through */ \
- case 4: *(--(c))=(unsigned char)(((l1) )&0xff); \
- /* fall through */ \
- case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
- /* fall through */ \
- case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
- /* fall through */ \
- case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
- } \
- }
- #undef n2l
- #define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24L, \
- l|=((unsigned long)(*((c)++)))<<16L, \
- l|=((unsigned long)(*((c)++)))<< 8L, \
- l|=((unsigned long)(*((c)++))))
- #undef l2n
- #define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \
- *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
- *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
- *((c)++)=(unsigned char)(((l) )&0xff))
- #define C_RC2(n) \
- t=(x0+(x1& ~x3)+(x2&x3)+ *(p0++))&0xffff; \
- x0=(t<<1)|(t>>15); \
- t=(x1+(x2& ~x0)+(x3&x0)+ *(p0++))&0xffff; \
- x1=(t<<2)|(t>>14); \
- t=(x2+(x3& ~x1)+(x0&x1)+ *(p0++))&0xffff; \
- x2=(t<<3)|(t>>13); \
- t=(x3+(x0& ~x2)+(x1&x2)+ *(p0++))&0xffff; \
- x3=(t<<5)|(t>>11);
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