--- /dev/null
+/* 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.]
+ */
+
+
+#include "e_os.h"
+
+#ifdef OPENSSL_SYS_WIN32
+#include <stdlib.h>
+#endif
+
+
+#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(OPENSSL_SYS_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; \
+ }
+#endif
+
+extern const CAST_LONG CAST_S_table0[256];
+extern const CAST_LONG CAST_S_table1[256];
+extern const CAST_LONG CAST_S_table2[256];
+extern const CAST_LONG CAST_S_table3[256];
+extern const CAST_LONG CAST_S_table4[256];
+extern const CAST_LONG CAST_S_table5[256];
+extern const CAST_LONG CAST_S_table6[256];
+extern const CAST_LONG CAST_S_table7[256];
projects / cassiopeia.git / blobdiff