/* crypto/cast/cast_lcl.h *//* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. *  * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to.  The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code.  The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). *  * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. *  * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software *    must display the following acknowledgement: *    "This product includes cryptographic software written by *     Eric Young (eay@cryptsoft.com)" *    The word 'cryptographic' can be left out if the rouines from the library *    being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from  *    the apps directory (application code) you must include an acknowledgement: *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" *  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. *  * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed.  i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */#ifdef WIN32#include <stdlib.h>#endif#include "openssl/e_os.h" /* OPENSSL_EXTERN */#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; \			case 7: l2|=((unsigned long)(*(--(c))))<<16L; \			case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \			case 5: l2|=((unsigned long)(*(--(c))));     \			case 4: l1 =((unsigned long)(*(--(c))))<<24L; \			case 3: l1|=((unsigned long)(*(--(c))))<<16L; \			case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \			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); \			case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \			case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \			case 5: *(--(c))=(unsigned char)(((l2)     )&0xff); \			case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \			case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \			case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \			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))))    ; \			case 7: l2|=((unsigned long)(*(--(c))))<< 8; \			case 6: l2|=((unsigned long)(*(--(c))))<<16; \			case 5: l2|=((unsigned long)(*(--(c))))<<24; \			case 4: l1 =((unsigned long)(*(--(c))))    ; \			case 3: l1|=((unsigned long)(*(--(c))))<< 8; \			case 2: l1|=((unsigned long)(*(--(c))))<<16; \			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); \			case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \			case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \			case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \			case 4: *(--(c))=(unsigned char)(((l1)    )&0xff); \			case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \			case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \			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))#if defined(WIN32) && defined(_MSC_VER)#define ROTL(a,n)     (_lrotl(a,n))#else#define ROTL(a,n)     ((((a)<<(n))&0xffffffffL)|((a)>>(32-(n))))#endif#define C_M    0x3fc#define C_0    22L#define C_1    14L#define C_2     6L#define C_3     2L /* left shift *//* The rotate has an extra 16 added to it to help the x86 asm */#if defined(CAST_PTR)#define E_CAST(n,key,L,R,OP1,OP2,OP3) \	{ \	int i; \	t=(key[n*2] OP1 R)&0xffffffffL; \	i=key[n*2+1]; \	t=ROTL(t,i); \	L^= (((((*(CAST_LONG *)((unsigned char *) \			CAST_S_table0+((t>>C_2)&C_M)) OP2 \		*(CAST_LONG *)((unsigned char *) \			CAST_S_table1+((t<<C_3)&C_M)))&0xffffffffL) OP3 \		*(CAST_LONG *)((unsigned char *) \			CAST_S_table2+((t>>C_0)&C_M)))&0xffffffffL) OP1 \		*(CAST_LONG *)((unsigned char *) \			CAST_S_table3+((t>>C_1)&C_M)))&0xffffffffL; \	}#elif defined(CAST_PTR2)#define E_CAST(n,key,L,R,OP1,OP2,OP3) \	{ \	int i; \	CAST_LONG u,v,w; \	w=(key[n*2] OP1 R)&0xffffffffL; \	i=key[n*2+1]; \	w=ROTL(w,i); \	u=w>>C_2; \	v=w<<C_3; \	u&=C_M; \	v&=C_M; \	t= *(CAST_LONG *)((unsigned char *)CAST_S_table0+u); \	u=w>>C_0; \	t=(t OP2 *(CAST_LONG *)((unsigned char *)CAST_S_table1+v))&0xffffffffL;\	v=w>>C_1; \	u&=C_M; \	v&=C_M; \	t=(t OP3 *(CAST_LONG *)((unsigned char *)CAST_S_table2+u)&0xffffffffL);\	t=(t OP1 *(CAST_LONG *)((unsigned char *)CAST_S_table3+v)&0xffffffffL);\	L^=(t&0xffffffff); \	}#else#define E_CAST(n,key,L,R,OP1,OP2,OP3) \	{ \	CAST_LONG a,b,c,d; \	t=(key[n*2] OP1 R)&0xffffffff; \	t=ROTL(t,(key[n*2+1])); \	a=CAST_S_table0[(t>> 8)&0xff]; \	b=CAST_S_table1[(t    )&0xff]; \	c=CAST_S_table2[(t>>24)&0xff]; \	d=CAST_S_table3[(t>>16)&0xff]; \	L^=(((((a OP2 b)&0xffffffffL) OP3 c)&0xffffffffL) OP1 d)&0xffffffffL; \	}#endifOPENSSL_EXTERN const CAST_LONG CAST_S_table0[256];OPENSSL_EXTERN const CAST_LONG CAST_S_table1[256];OPENSSL_EXTERN const CAST_LONG CAST_S_table2[256];OPENSSL_EXTERN const CAST_LONG CAST_S_table3[256];OPENSSL_EXTERN const CAST_LONG CAST_S_table4[256];OPENSSL_EXTERN const CAST_LONG CAST_S_table5[256];OPENSSL_EXTERN const CAST_LONG CAST_S_table6[256];OPENSSL_EXTERN const CAST_LONG CAST_S_table7[256];