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src/libdigidoc/openssl/crypto/ripemd/rmd_locl.h
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00001 /* crypto/ripemd/rmd_locl.h */
00002 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
00003  * All rights reserved.
00004  *
00005  * This package is an SSL implementation written
00006  * by Eric Young (eay@cryptsoft.com).
00007  * The implementation was written so as to conform with Netscapes SSL.
00008  * 
00009  * This library is free for commercial and non-commercial use as long as
00010  * the following conditions are aheared to.  The following conditions
00011  * apply to all code found in this distribution, be it the RC4, RSA,
00012  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
00013  * included with this distribution is covered by the same copyright terms
00014  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
00015  * 
00016  * Copyright remains Eric Young's, and as such any Copyright notices in
00017  * the code are not to be removed.
00018  * If this package is used in a product, Eric Young should be given attribution
00019  * as the author of the parts of the library used.
00020  * This can be in the form of a textual message at program startup or
00021  * in documentation (online or textual) provided with the package.
00022  * 
00023  * Redistribution and use in source and binary forms, with or without
00024  * modification, are permitted provided that the following conditions
00025  * are met:
00026  * 1. Redistributions of source code must retain the copyright
00027  *    notice, this list of conditions and the following disclaimer.
00028  * 2. Redistributions in binary form must reproduce the above copyright
00029  *    notice, this list of conditions and the following disclaimer in the
00030  *    documentation and/or other materials provided with the distribution.
00031  * 3. All advertising materials mentioning features or use of this software
00032  *    must display the following acknowledgement:
00033  *    "This product includes cryptographic software written by
00034  *     Eric Young (eay@cryptsoft.com)"
00035  *    The word 'cryptographic' can be left out if the rouines from the library
00036  *    being used are not cryptographic related :-).
00037  * 4. If you include any Windows specific code (or a derivative thereof) from 
00038  *    the apps directory (application code) you must include an acknowledgement:
00039  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
00040  * 
00041  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
00042  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00043  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00044  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
00045  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00046  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00047  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00048  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00049  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00050  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00051  * SUCH DAMAGE.
00052  * 
00053  * The licence and distribution terms for any publically available version or
00054  * derivative of this code cannot be changed.  i.e. this code cannot simply be
00055  * copied and put under another distribution licence
00056  * [including the GNU Public Licence.]
00057  */
00058 
00059 #include <stdlib.h>
00060 #include <string.h>
00061 #include <openssl/opensslconf.h>
00062 #include <openssl/ripemd.h>
00063 
00064 #ifndef RIPEMD160_LONG_LOG2
00065 #define RIPEMD160_LONG_LOG2 2 /* default to 32 bits */
00066 #endif
00067 
00068 /*
00069  * DO EXAMINE COMMENTS IN crypto/md5/md5_locl.h & crypto/md5/md5_dgst.c
00070  * FOR EXPLANATIONS ON FOLLOWING "CODE."
00071  *                                      <appro@fy.chalmers.se>
00072  */
00073 #ifdef RMD160_ASM
00074 # if defined(__i386) || defined(__i386__) || defined(_M_IX86) || defined(__INTEL__)
00075 #  define ripemd160_block_host_order ripemd160_block_asm_data_order
00076 # endif
00077 #endif
00078 
00079 void ripemd160_block_data_order (RIPEMD160_CTX *c, const void *p,size_t num);
00080 
00081 #define DATA_ORDER_IS_LITTLE_ENDIAN
00082 
00083 #define HASH_LONG               RIPEMD160_LONG
00084 #define HASH_CTX                RIPEMD160_CTX
00085 #define HASH_CBLOCK             RIPEMD160_CBLOCK
00086 #define HASH_UPDATE             RIPEMD160_Update
00087 #define HASH_TRANSFORM          RIPEMD160_Transform
00088 #define HASH_FINAL              RIPEMD160_Final
00089 #define HASH_MAKE_STRING(c,s)   do {    \
00090         unsigned long ll;               \
00091         ll=(c)->A; HOST_l2c(ll,(s));    \
00092         ll=(c)->B; HOST_l2c(ll,(s));    \
00093         ll=(c)->C; HOST_l2c(ll,(s));    \
00094         ll=(c)->D; HOST_l2c(ll,(s));    \
00095         ll=(c)->E; HOST_l2c(ll,(s));    \
00096         } while (0)
00097 #define HASH_BLOCK_DATA_ORDER   ripemd160_block_data_order
00098 
00099 #include "md32_common.h"
00100 
00101 #if 0
00102 #define F1(x,y,z)        ((x)^(y)^(z))
00103 #define F2(x,y,z)       (((x)&(y))|((~x)&z))
00104 #define F3(x,y,z)       (((x)|(~y))^(z))
00105 #define F4(x,y,z)       (((x)&(z))|((y)&(~(z))))
00106 #define F5(x,y,z)        ((x)^((y)|(~(z))))
00107 #else
00108 /*
00109  * Transformed F2 and F4 are courtesy of Wei Dai <weidai@eskimo.com>
00110  */
00111 #define F1(x,y,z)       ((x) ^ (y) ^ (z))
00112 #define F2(x,y,z)       ((((y) ^ (z)) & (x)) ^ (z))
00113 #define F3(x,y,z)       (((~(y)) | (x)) ^ (z))
00114 #define F4(x,y,z)       ((((x) ^ (y)) & (z)) ^ (y))
00115 #define F5(x,y,z)       (((~(z)) | (y)) ^ (x))
00116 #endif
00117 
00118 #define RIPEMD160_A     0x67452301L
00119 #define RIPEMD160_B     0xEFCDAB89L
00120 #define RIPEMD160_C     0x98BADCFEL
00121 #define RIPEMD160_D     0x10325476L
00122 #define RIPEMD160_E     0xC3D2E1F0L
00123 
00124 #include "rmdconst.h"
00125 
00126 #define RIP1(a,b,c,d,e,w,s) { \
00127         a+=F1(b,c,d)+X(w); \
00128         a=ROTATE(a,s)+e; \
00129         c=ROTATE(c,10); }
00130 
00131 #define RIP2(a,b,c,d,e,w,s,K) { \
00132         a+=F2(b,c,d)+X(w)+K; \
00133         a=ROTATE(a,s)+e; \
00134         c=ROTATE(c,10); }
00135 
00136 #define RIP3(a,b,c,d,e,w,s,K) { \
00137         a+=F3(b,c,d)+X(w)+K; \
00138         a=ROTATE(a,s)+e; \
00139         c=ROTATE(c,10); }
00140 
00141 #define RIP4(a,b,c,d,e,w,s,K) { \
00142         a+=F4(b,c,d)+X(w)+K; \
00143         a=ROTATE(a,s)+e; \
00144         c=ROTATE(c,10); }
00145 
00146 #define RIP5(a,b,c,d,e,w,s,K) { \
00147         a+=F5(b,c,d)+X(w)+K; \
00148         a=ROTATE(a,s)+e; \
00149         c=ROTATE(c,10); }
00150 
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