lib/libmd/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 "ripemd.h"
  60
  61 #undef c2nl
  62 #define c2nl(c,l)       (l =(((u_int32_t)(*((c)++)))<<24), \
  63                          l|=(((u_int32_t)(*((c)++)))<<16), \
  64                          l|=(((u_int32_t)(*((c)++)))<< 8), \
  65                          l|=(((u_int32_t)(*((c)++)))    ))
  66
  67 #undef p_c2nl
  68 #define p_c2nl(c,l,n)   { \
  69                         switch (n) { \
  70                         case 0: l =((u_int32_t)(*((c)++)))<<24; \
  71                         case 1: l|=((u_int32_t)(*((c)++)))<<16; \
  72                         case 2: l|=((u_int32_t)(*((c)++)))<< 8; \
  73                         case 3: l|=((u_int32_t)(*((c)++))); \
  74                                 } \
  75                         }
  76
  77 #undef c2nl_p
  78 /* NOTE the pointer is not incremented at the end of this */
  79 #define c2nl_p(c,l,n)   { \
  80                         l=0; \
  81                         (c)+=n; \
  82                         switch (n) { \
  83                         case 3: l =((u_int32_t)(*(--(c))))<< 8; \
  84                         case 2: l|=((u_int32_t)(*(--(c))))<<16; \
  85                         case 1: l|=((u_int32_t)(*(--(c))))<<24; \
  86                                 } \
  87                         }
  88
  89 #undef p_c2nl_p
  90 #define p_c2nl_p(c,l,sc,len) { \
  91                         switch (sc) \
  92                                 { \
  93                         case 0: l =((u_int32_t)(*((c)++)))<<24; \
  94                                 if (--len == 0) break; \
  95                         case 1: l|=((u_int32_t)(*((c)++)))<<16; \
  96                                 if (--len == 0) break; \
  97                         case 2: l|=((u_int32_t)(*((c)++)))<< 8; \
  98                                 } \
  99                         }
 100
 101 #undef nl2c
 102 #define nl2c(l,c)       (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
 103                          *((c)++)=(unsigned char)(((l)>>16)&0xff), \
 104                          *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
 105                          *((c)++)=(unsigned char)(((l)    )&0xff))
 106
 107 #undef c2l
 108 #define c2l(c,l)        (l =(((u_int32_t)(*((c)++)))    ), \
 109                          l|=(((u_int32_t)(*((c)++)))<< 8), \
 110                          l|=(((u_int32_t)(*((c)++)))<<16), \
 111                          l|=(((u_int32_t)(*((c)++)))<<24))
 112
 113 #undef p_c2l
 114 #define p_c2l(c,l,n)    { \
 115                         switch (n) { \
 116                         case 0: l =((u_int32_t)(*((c)++))); \
 117                         case 1: l|=((u_int32_t)(*((c)++)))<< 8; \
 118                         case 2: l|=((u_int32_t)(*((c)++)))<<16; \
 119                         case 3: l|=((u_int32_t)(*((c)++)))<<24; \
 120                                 } \
 121                         }
 122
 123 #undef c2l_p
 124 /* NOTE the pointer is not incremented at the end of this */
 125 #define c2l_p(c,l,n)    { \
 126                         l=0; \
 127                         (c)+=n; \
 128                         switch (n) { \
 129                         case 3: l =((u_int32_t)(*(--(c))))<<16; \
 130                         case 2: l|=((u_int32_t)(*(--(c))))<< 8; \
 131                         case 1: l|=((u_int32_t)(*(--(c)))); \
 132                                 } \
 133                         }
 134
 135 #undef p_c2l_p
 136 #define p_c2l_p(c,l,sc,len) { \
 137                         switch (sc) \
 138                                 { \
 139                         case 0: l =((u_int32_t)(*((c)++))); \
 140                                 if (--len == 0) break; \
 141                         case 1: l|=((u_int32_t)(*((c)++)))<< 8; \
 142                                 if (--len == 0) break; \
 143                         case 2: l|=((u_int32_t)(*((c)++)))<<16; \
 144                                 } \
 145                         }
 146
 147 #undef l2c
 148 #define l2c(l,c)        (*((c)++)=(unsigned char)(((l)    )&0xff), \
 149                          *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
 150                          *((c)++)=(unsigned char)(((l)>>16)&0xff), \
 151                          *((c)++)=(unsigned char)(((l)>>24)&0xff))
 152
 153 #undef ROTATE
 154 #if defined(WIN32)
 155 #define ROTATE(a,n)     _lrotl(a,n)
 156 #else
 157 #define ROTATE(a,n)     (((a)<<(n))|(((a)&0xffffffff)>>(32-(n))))
 158 #endif
 159
 160 /* A nice byte order reversal from Wei Dai <weidai@eskimo.com> */
 161 #if defined(WIN32)
 162 /* 5 instructions with rotate instruction, else 9 */
 163 #define Endian_Reverse32(a) \
 164         { \
 165         u_int32_t l=(a); \
 166         (a)=((ROTATE(l,8)&0x00FF00FF)|(ROTATE(l,24)&0xFF00FF00)); \
 167         }
 168 #else
 169 /* 6 instructions with rotate instruction, else 8 */
 170 #define Endian_Reverse32(a) \
 171         { \
 172         u_int32_t l=(a); \
 173         l=(((l&0xFF00FF00)>>8L)|((l&0x00FF00FF)<<8L)); \
 174         (a)=ROTATE(l,16L); \
 175         }
 176 #endif
 177
 178 #define F1(x,y,z)        ((x)^(y)^(z))
 179 #define F2(x,y,z)       (((x)&(y))|((~x)&z))
 180 #define F3(x,y,z)       (((x)|(~y))^(z))
 181 #define F4(x,y,z)       (((x)&(z))|((y)&(~(z))))
 182 #define F5(x,y,z)        ((x)^((y)|(~(z))))
 183
 184 #define RIPEMD160_A     0x67452301L
 185 #define RIPEMD160_B     0xEFCDAB89L
 186 #define RIPEMD160_C     0x98BADCFEL
 187 #define RIPEMD160_D     0x10325476L
 188 #define RIPEMD160_E     0xC3D2E1F0L
 189
 190 #include "rmdconst.h"
 191
 192 #define RIP1(a,b,c,d,e,w,s) { \
 193         a+=F1(b,c,d)+X[w]; \
 194         a=ROTATE(a,s)+e; \
 195         c=ROTATE(c,10); }
 196
 197 #define RIP2(a,b,c,d,e,w,s,K) { \
 198         a+=F2(b,c,d)+X[w]+K; \
 199         a=ROTATE(a,s)+e; \
 200         c=ROTATE(c,10); }
 201
 202 #define RIP3(a,b,c,d,e,w,s,K) { \
 203         a+=F3(b,c,d)+X[w]+K; \
 204         a=ROTATE(a,s)+e; \
 205         c=ROTATE(c,10); }
 206
 207 #define RIP4(a,b,c,d,e,w,s,K) { \
 208         a+=F4(b,c,d)+X[w]+K; \
 209         a=ROTATE(a,s)+e; \
 210         c=ROTATE(c,10); }
 211
 212 #define RIP5(a,b,c,d,e,w,s,K) { \
 213         a+=F5(b,c,d)+X[w]+K; \
 214         a=ROTATE(a,s)+e; \
 215         c=ROTATE(c,10); }
 216