sha_locl.h revision 40f53fa8d9c6a4fc38c0014495e7a42b08f52481
/* crypto/sha/sha_locl.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
* 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.]
*/
#ifndef OPENSSL_SHA_LOCL_H
#define OPENSSL_SHA_LOCL_H 1
#include <stdlib.h>
#include <string.h>
#include <openssl/opensslconf.h>
#ifndef SHA_LONG_LOG2
#endif
#define DATA_ORDER_IS_BIG_ENDIAN
#define HASH_LONG_LOG2 SHA_LONG_LOG2
#define HASH_CBLOCK SHA_CBLOCK
#define HASH_LBLOCK SHA_LBLOCK
#define HASH_MAKE_STRING(c,s) do { \
unsigned long ll; \
} while (0)
#if defined(SHA_0)
# define HASH_UPDATE SHA_Update
# define HASH_TRANSFORM SHA_Transform
# define HASH_FINAL SHA_Final
# define HASH_UPDATE SHA1_Update
# define HASH_TRANSFORM SHA1_Transform
# define HASH_FINAL SHA1_Final
# if defined(__MWERKS__) && defined(__MC68K__)
/* Metrowerks for Motorola fails otherwise:-( <appro@fy.chalmers.se> */
} while (0)
# else
)
# endif
# ifdef SHA1_ASM
# define DONT_IMPLEMENT_BLOCK_HOST_ORDER
# define DONT_IMPLEMENT_BLOCK_DATA_ORDER
# endif
# endif
#else
# error "Either SHA_0 or SHA_1 must be defined."
#endif
#include "md32_common.h"
#define INIT_DATA_h0 0x67452301UL
#define INIT_DATA_h1 0xefcdab89UL
#define INIT_DATA_h2 0x98badcfeUL
#define INIT_DATA_h3 0x10325476UL
#define INIT_DATA_h4 0xc3d2e1f0UL
{
c->h0=INIT_DATA_h0;
c->h1=INIT_DATA_h1;
c->h2=INIT_DATA_h2;
c->h3=INIT_DATA_h3;
c->h4=INIT_DATA_h4;
c->Nl=0;
c->Nh=0;
c->num=0;
}
#define K_00_19 0x5a827999UL
#define K_20_39 0x6ed9eba1UL
#define K_40_59 0x8f1bbcdcUL
#define K_60_79 0xca62c1d6UL
/* As pointed out by Wei Dai <weidai@eskimo.com>, F() below can be
* simplified to the code in F_00_19. Wei attributes these optimisations
* to Peter Gutmann's SHS code, and he attributes it to Rich Schroeppel.
* #define F(x,y,z) (((x) & (y)) | ((~(x)) & (z)))
* I've just become aware of another tweak to be made, again from Wei Dai,
* in F_40_59, (x&a)|(y&a) -> (x|y)&a
*/
#define F_00_19(b,c,d) ((((c) ^ (d)) & (b)) ^ (d))
#define F_20_39(b,c,d) ((b) ^ (c) ^ (d))
#define F_40_59(b,c,d) (((b) & (c)) | (((b)|(c)) & (d)))
#define BODY_00_15(i,a,b,c,d,e,f,xi) \
(b)=ROTATE((b),30);
(b)=ROTATE((b),30);
(b)=ROTATE((b),30);
(b)=ROTATE((b),30);
(b)=ROTATE((b),30);
(b)=ROTATE((b),30);
#ifdef X
#undef X
#endif
#ifndef MD32_XARRAY
/*
* Originally X was an array. As it's automatic it's natural
* to expect RISC compiler to accomodate at least part of it in
* the register bank, isn't it? Unfortunately not all compilers
* "find" this expectation reasonable:-( On order to make such
* compilers generate better code I replace X[] with a bunch of
* X0, X1, etc. See the function body below...
* <appro@fy.chalmers.se>
*/
# define X(i) XX##i
#else
/*
* However! Some compilers (most notably HP C) get overwhelmed by
* that many local variables so that we have to have the way to
* fall down to the original behavior.
*/
# define X(i) XX[i]
#endif
#ifndef DONT_IMPLEMENT_BLOCK_HOST_ORDER
{
const SHA_LONG *W=d;
register unsigned long A,B,C,D,E,T;
#ifndef MD32_XARRAY
#else
#endif
A=c->h0;
B=c->h1;
C=c->h2;
D=c->h3;
E=c->h4;
for (;;)
{
BODY_00_15( 0,A,B,C,D,E,T,W[ 0]);
if (--num <= 0) break;
A=c->h0;
B=c->h1;
C=c->h2;
D=c->h3;
E=c->h4;
W+=SHA_LBLOCK;
}
}
#endif
#ifndef DONT_IMPLEMENT_BLOCK_DATA_ORDER
{
const unsigned char *data=p;
register unsigned long A,B,C,D,E,T,l;
#ifndef MD32_XARRAY
#else
#endif
A=c->h0;
B=c->h1;
C=c->h2;
D=c->h3;
E=c->h4;
for (;;)
{
if (--num <= 0) break;
A=c->h0;
B=c->h1;
C=c->h2;
D=c->h3;
E=c->h4;
}
}
#endif
#endif /* OPENSSL_SHA_LOCL_H */