crypto/ripemd/rmd_locl.h

   1 /* crypto/ripemd/rmd_locl.h */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 #include <stdlib.h>
  60 #include <string.h>
  61 #include "ripemd.h"
  62
  63 #define ULONG   unsigned long
  64 #define UCHAR   unsigned char
  65 #define UINT    unsigned int
  66
  67 #ifdef NOCONST
  68 #define const
  69 #endif
  70
  71 #undef c2nl
  72 #define c2nl(c,l)       (l =(((unsigned long)(*((c)++)))<<24), \
  73                          l|=(((unsigned long)(*((c)++)))<<16), \
  74                          l|=(((unsigned long)(*((c)++)))<< 8), \
  75                          l|=(((unsigned long)(*((c)++)))    ))
  76
  77 #undef p_c2nl
  78 #define p_c2nl(c,l,n)   { \
  79                         switch (n) { \
  80                         case 0: l =((unsigned long)(*((c)++)))<<24; \
  81                         case 1: l|=((unsigned long)(*((c)++)))<<16; \
  82                         case 2: l|=((unsigned long)(*((c)++)))<< 8; \
  83                         case 3: l|=((unsigned long)(*((c)++))); \
  84                                 } \
  85                         }
  86
  87 #undef c2nl_p
  88 /* NOTE the pointer is not incremented at the end of this */
  89 #define c2nl_p(c,l,n)   { \
  90                         l=0; \
  91                         (c)+=n; \
  92                         switch (n) { \
  93                         case 3: l =((unsigned long)(*(--(c))))<< 8; \
  94                         case 2: l|=((unsigned long)(*(--(c))))<<16; \
  95                         case 1: l|=((unsigned long)(*(--(c))))<<24; \
  96                                 } \
  97                         }
  98
  99 #undef p_c2nl_p
 100 #define p_c2nl_p(c,l,sc,len) { \
 101                         switch (sc) \
 102                                 { \
 103                         case 0: l =((unsigned long)(*((c)++)))<<24; \
 104                                 if (--len == 0) break; \
 105                         case 1: l|=((unsigned long)(*((c)++)))<<16; \
 106                                 if (--len == 0) break; \
 107                         case 2: l|=((unsigned long)(*((c)++)))<< 8; \
 108                                 } \
 109                         }
 110
 111 #undef nl2c
 112 #define nl2c(l,c)       (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
 113                          *((c)++)=(unsigned char)(((l)>>16)&0xff), \
 114                          *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
 115                          *((c)++)=(unsigned char)(((l)    )&0xff))
 116
 117 #undef c2l
 118 #define c2l(c,l)        (l =(((unsigned long)(*((c)++)))    ), \
 119                          l|=(((unsigned long)(*((c)++)))<< 8), \
 120                          l|=(((unsigned long)(*((c)++)))<<16), \
 121                          l|=(((unsigned long)(*((c)++)))<<24))
 122
 123 #undef p_c2l
 124 #define p_c2l(c,l,n)    { \
 125                         switch (n) { \
 126                         case 0: l =((unsigned long)(*((c)++))); \
 127                         case 1: l|=((unsigned long)(*((c)++)))<< 8; \
 128                         case 2: l|=((unsigned long)(*((c)++)))<<16; \
 129                         case 3: l|=((unsigned long)(*((c)++)))<<24; \
 130                                 } \
 131                         }
 132
 133 #undef c2l_p
 134 /* NOTE the pointer is not incremented at the end of this */
 135 #define c2l_p(c,l,n)    { \
 136                         l=0; \
 137                         (c)+=n; \
 138                         switch (n) { \
 139                         case 3: l =((unsigned long)(*(--(c))))<<16; \
 140                         case 2: l|=((unsigned long)(*(--(c))))<< 8; \
 141                         case 1: l|=((unsigned long)(*(--(c)))); \
 142                                 } \
 143                         }
 144
 145 #undef p_c2l_p
 146 #define p_c2l_p(c,l,sc,len) { \
 147                         switch (sc) \
 148                                 { \
 149                         case 0: l =((unsigned long)(*((c)++))); \
 150                                 if (--len == 0) break; \
 151                         case 1: l|=((unsigned long)(*((c)++)))<< 8; \
 152                                 if (--len == 0) break; \
 153                         case 2: l|=((unsigned long)(*((c)++)))<<16; \
 154                                 } \
 155                         }
 156
 157 #undef l2c
 158 #define l2c(l,c)        (*((c)++)=(unsigned char)(((l)    )&0xff), \
 159                          *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
 160                          *((c)++)=(unsigned char)(((l)>>16)&0xff), \
 161                          *((c)++)=(unsigned char)(((l)>>24)&0xff))
 162
 163 #undef ROTATE
 164 #if defined(WIN32)
 165 #define ROTATE(a,n)     _lrotl(a,n)
 166 #else
 167 #define ROTATE(a,n)     (((a)<<(n))|(((a)&0xffffffff)>>(32-(n))))
 168 #endif
 169
 170 /* A nice byte order reversal from Wei Dai <weidai@eskimo.com> */
 171 #if defined(WIN32)
 172 /* 5 instructions with rotate instruction, else 9 */
 173 #define Endian_Reverse32(a) \
 174         { \
 175         unsigned long l=(a); \
 176         (a)=((ROTATE(l,8)&0x00FF00FF)|(ROTATE(l,24)&0xFF00FF00)); \
 177         }
 178 #else
 179 /* 6 instructions with rotate instruction, else 8 */
 180 #define Endian_Reverse32(a) \
 181         { \
 182         unsigned long l=(a); \
 183         l=(((l&0xFF00FF00)>>8L)|((l&0x00FF00FF)<<8L)); \
 184         (a)=ROTATE(l,16L); \
 185         }
 186 #endif
 187
 188 #define F1(x,y,z)        ((x)^(y)^(z))
 189 #define F2(x,y,z)       (((x)&(y))|((~x)&z))
 190 #define F3(x,y,z)       (((x)|(~y))^(z))
 191 #define F4(x,y,z)       (((x)&(z))|((y)&(~(z))))
 192 #define F5(x,y,z)        ((x)^((y)|(~(z))))
 193
 194 #define RIPEMD160_A     0x67452301L
 195 #define RIPEMD160_B     0xEFCDAB89L
 196 #define RIPEMD160_C     0x98BADCFEL
 197 #define RIPEMD160_D     0x10325476L
 198 #define RIPEMD160_E     0xC3D2E1F0L
 199
 200 #include "rmdconst.h"
 201
 202 #define RIP1(a,b,c,d,e,w,s) { \
 203         a+=F1(b,c,d)+X[w]; \
 204         a=ROTATE(a,s)+e; \
 205         c=ROTATE(c,10); }
 206
 207 #define RIP2(a,b,c,d,e,w,s,K) { \
 208         a+=F2(b,c,d)+X[w]+K; \
 209         a=ROTATE(a,s)+e; \
 210         c=ROTATE(c,10); }
 211
 212 #define RIP3(a,b,c,d,e,w,s,K) { \
 213         a+=F3(b,c,d)+X[w]+K; \
 214         a=ROTATE(a,s)+e; \
 215         c=ROTATE(c,10); }
 216
 217 #define RIP4(a,b,c,d,e,w,s,K) { \
 218         a+=F4(b,c,d)+X[w]+K; \
 219         a=ROTATE(a,s)+e; \
 220         c=ROTATE(c,10); }
 221
 222 #define RIP5(a,b,c,d,e,w,s,K) { \
 223         a+=F5(b,c,d)+X[w]+K; \
 224         a=ROTATE(a,s)+e; \
 225         c=ROTATE(c,10); }
 226