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      1 /* crypto/ripemd/rmd_locl.h */
      2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com)
      3  * All rights reserved.
      4  *
      5  * This package is an SSL implementation written
      6  * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 <openssl/opensslconf.h>
     62 #include <openssl/ripemd.h>
     63 
     64 #ifndef RIPEMD160_LONG_LOG2
     65 #define RIPEMD160_LONG_LOG2 2 /* default to 32 bits */
     66 #endif
     67 
     68 /*
     69  * DO EXAMINE COMMENTS IN crypto/md5/md5_locl.h & crypto/md5/md5_dgst.c
     70  * FOR EXPLANATIONS ON FOLLOWING "CODE."
     71  *					<appro (at) fy.chalmers.se>
     72  */
     73 #ifdef RMD160_ASM
     74 # if defined(__i386) || defined(__i386__) || defined(_M_IX86) || defined(__INTEL__)
     75 #  define ripemd160_block_data_order ripemd160_block_asm_data_order
     76 # endif
     77 #endif
     78 
     79 void ripemd160_block_data_order (RIPEMD160_CTX *c, const void *p,size_t num);
     80 
     81 #define DATA_ORDER_IS_LITTLE_ENDIAN
     82 
     83 #define HASH_LONG               RIPEMD160_LONG
     84 #define HASH_CTX                RIPEMD160_CTX
     85 #define HASH_CBLOCK             RIPEMD160_CBLOCK
     86 #define HASH_UPDATE             RIPEMD160_Update
     87 #define HASH_TRANSFORM          RIPEMD160_Transform
     88 #define HASH_FINAL              RIPEMD160_Final
     89 #define	HASH_MAKE_STRING(c,s)	do {	\
     90 	unsigned long ll;		\
     91 	ll=(c)->A; HOST_l2c(ll,(s));	\
     92 	ll=(c)->B; HOST_l2c(ll,(s));	\
     93 	ll=(c)->C; HOST_l2c(ll,(s));	\
     94 	ll=(c)->D; HOST_l2c(ll,(s));	\
     95 	ll=(c)->E; HOST_l2c(ll,(s));	\
     96 	} while (0)
     97 #define HASH_BLOCK_DATA_ORDER   ripemd160_block_data_order
     98 
     99 #include "md32_common.h"
    100 
    101 #if 0
    102 #define F1(x,y,z)	 ((x)^(y)^(z))
    103 #define F2(x,y,z)	(((x)&(y))|((~x)&z))
    104 #define F3(x,y,z)	(((x)|(~y))^(z))
    105 #define F4(x,y,z)	(((x)&(z))|((y)&(~(z))))
    106 #define F5(x,y,z)	 ((x)^((y)|(~(z))))
    107 #else
    108 /*
    109  * Transformed F2 and F4 are courtesy of Wei Dai <weidai (at) eskimo.com>
    110  */
    111 #define F1(x,y,z)	((x) ^ (y) ^ (z))
    112 #define F2(x,y,z)	((((y) ^ (z)) & (x)) ^ (z))
    113 #define F3(x,y,z)	(((~(y)) | (x)) ^ (z))
    114 #define F4(x,y,z)	((((x) ^ (y)) & (z)) ^ (y))
    115 #define F5(x,y,z)	(((~(z)) | (y)) ^ (x))
    116 #endif
    117 
    118 #define RIPEMD160_A	0x67452301L
    119 #define RIPEMD160_B	0xEFCDAB89L
    120 #define RIPEMD160_C	0x98BADCFEL
    121 #define RIPEMD160_D	0x10325476L
    122 #define RIPEMD160_E	0xC3D2E1F0L
    123 
    124 #include "rmdconst.h"
    125 
    126 #define RIP1(a,b,c,d,e,w,s) { \
    127 	a+=F1(b,c,d)+X(w); \
    128         a=ROTATE(a,s)+e; \
    129         c=ROTATE(c,10); }
    130 
    131 #define RIP2(a,b,c,d,e,w,s,K) { \
    132 	a+=F2(b,c,d)+X(w)+K; \
    133         a=ROTATE(a,s)+e; \
    134         c=ROTATE(c,10); }
    135 
    136 #define RIP3(a,b,c,d,e,w,s,K) { \
    137 	a+=F3(b,c,d)+X(w)+K; \
    138         a=ROTATE(a,s)+e; \
    139         c=ROTATE(c,10); }
    140 
    141 #define RIP4(a,b,c,d,e,w,s,K) { \
    142 	a+=F4(b,c,d)+X(w)+K; \
    143         a=ROTATE(a,s)+e; \
    144         c=ROTATE(c,10); }
    145 
    146 #define RIP5(a,b,c,d,e,w,s,K) { \
    147 	a+=F5(b,c,d)+X(w)+K; \
    148         a=ROTATE(a,s)+e; \
    149         c=ROTATE(c,10); }
    150 
    151