/* 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
* documentation and/or other materials provided with the distribution.
* 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.]
*/
#include <stdlib.h>
#include <string.h>
#include <openssl/opensslconf.h>
#include <openssl/sha.h>
#define DATA_ORDER_IS_BIG_ENDIAN
#define HASH_LONG SHA_LONG
#define HASH_CTX SHA_CTX
#define HASH_CBLOCK SHA_CBLOCK
#define HASH_MAKE_STRING(c,s) do { \
unsigned long ll; \
ll=(c)->h0; HOST_l2c(ll,(s)); \
ll=(c)->h1; HOST_l2c(ll,(s)); \
ll=(c)->h2; HOST_l2c(ll,(s)); \
ll=(c)->h3; HOST_l2c(ll,(s)); \
ll=(c)->h4; HOST_l2c(ll,(s)); \
} while (0)
#if defined(SHA_0)
# define HASH_UPDATE SHA_Update
# define HASH_TRANSFORM SHA_Transform
# define HASH_FINAL SHA_Final
# define HASH_INIT SHA_Init
# define HASH_BLOCK_DATA_ORDER sha_block_data_order
# define Xupdate(a,ix,ia,ib,ic,id) (ix=(a)=(ia^ib^ic^id))
static void sha_block_data_order (SHA_CTX *c, const void *p,size_t num);
#elif defined(SHA_1)
# define HASH_UPDATE SHA1_Update
# define HASH_TRANSFORM SHA1_Transform
# define HASH_FINAL SHA1_Final
# define HASH_INIT SHA1_Init
# define HASH_BLOCK_DATA_ORDER sha1_block_data_order
# if defined(__MWERKS__) && defined(__MC68K__)
/* Metrowerks for Motorola fails otherwise:-( <appro@fy.chalmers.se> */
# define Xupdate(a,ix,ia,ib,ic,id) do { (a)=(ia^ib^ic^id); \
ix=(a)=ROTATE((a),1); \
} while (0)
# else
# define Xupdate(a,ix,ia,ib,ic,id) ( (a)=(ia^ib^ic^id), \
ix=(a)=ROTATE((a),1) \
)
# endif
#ifndef SHA1_ASM
static
#endif
void sha1_block_data_order (SHA_CTX *c, const void *p,size_t num);
#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
#ifdef SHA_0
fips_md_init(SHA)
#else
fips_md_init_ctx(SHA1, SHA)
#endif
{
memset (c,0,sizeof(*c));
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;
return 1;
}
#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 F_60_79(b,c,d) F_20_39(b,c,d)
#ifndef OPENSSL_SMALL_FOOTPRINT
#define BODY_00_15(i,a,b,c,d,e,f,xi) \
(f)=xi+(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \
(b)=ROTATE((b),30);
#define BODY_16_19(i,a,b,c,d,e,f,xi,xa,xb,xc,xd) \
Xupdate(f,xi,xa,xb,xc,xd); \
(f)+=(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \
(b)=ROTATE((b),30);
#define BODY_20_31(i,a,b,c,d,e,f,xi,xa,xb,xc,xd) \
Xupdate(f,xi,xa,xb,xc,xd); \
(f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \
(b)=ROTATE((b),30);
#define BODY_32_39(i,a,b,c,d,e,f,xa,xb,xc,xd) \
Xupdate(f,xa,xa,xb,xc,xd); \
(f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \
(b)=ROTATE((b),30);
#define BODY_40_59(i,a,b,c,d,e,f,xa,xb,xc,xd) \
Xupdate(f,xa,xa,xb,xc,xd); \
(f)+=(e)+K_40_59+ROTATE((a),5)+F_40_59((b),(c),(d)); \
(b)=ROTATE((b),30);
#define BODY_60_79(i,a,b,c,d,e,f,xa,xb,xc,xd) \
Xupdate(f,xa,xa,xb,xc,xd); \
(f)=xa+(e)+K_60_79+ROTATE((a),5)+F_60_79((b),(c),(d)); \
(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
#if !defined(SHA_1) || !defined(SHA1_ASM)
static void HASH_BLOCK_DATA_ORDER (SHA_CTX *c, const void *p, size_t num)
{
const unsigned char *data=p;
register unsigned MD32_REG_T A,B,C,D,E,T,l;
#ifndef MD32_XARRAY
unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15;
#else
SHA_LONG XX[16];
#endif
A=c->h0;
B=c->h1;
C=c->h2;
D=c->h3;
E=c->h4;
for (;;)
{
const union { long one; char little; } is_endian = {1};
if (!is_endian.little && sizeof(SHA_LONG)==4 && ((size_t)p%4)==0)
{
const SHA_LONG *W=(const SHA_LONG *)data;
X( 0) = W[0]; X( 1) = W[ 1];
BODY_00_15( 0,A,B,C,D,E,T,X( 0)); X( 2) = W[ 2];
BODY_00_15( 1,T,A,B,C,D,E,X( 1)); X( 3) = W[ 3];
BODY_00_15( 2,E,T,A,B,C,D,X( 2)); X( 4) = W[ 4];
BODY_00_15( 3,D,E,T,A,B,C,X( 3)); X( 5) = W[ 5];
BODY_00_15( 4,C,D,E,T,A,B,X( 4)); X( 6) = W[ 6];
BODY_00_15( 5,B,C,D,E,T,A,X( 5)); X( 7) = W[ 7];
BODY_00_15( 6,A,B,C,D,E,T,X( 6)); X( 8) = W[ 8];
BODY_00_15( 7,T,A,B,C,D,E,X( 7)); X( 9) = W[ 9];
BODY_00_15( 8,E,T,A,B,C,D,X( 8)); X(10) = W[10];
BODY_00_15( 9,D,E,T,A,B,C,X( 9)); X(11) = W[11];
BODY_00_15(10,C,D,E,T,A,B,X(10)); X(12) = W[12];
BODY_00_15(11,B,C,D,E,T,A,X(11)); X(13) = W[13];
BODY_00_15(12,A,B,C,D,E,T,X(12)); X(14) = W[14];
BODY_00_15(13,T,A,B,C,D,E,X(13)); X(15) = W[15];
BODY_00_15(14,E,T,A,B,C,D,X(14));
BODY_00_15(15,D,E,T,A,B,C,X(15));
data += SHA_CBLOCK;
}
else
{
HOST_c2l(data,l); X( 0)=l; HOST_c2l(data,l); X( 1)=l;
BODY_00_15( 0,A,B,C,D,E,T,X( 0)); HOST_c2l(data,l); X( 2)=l;
BODY_00_15( 1,T,A,B,C,D,E,X( 1)); HOST_c2l(data,l); X( 3)=l;
BODY_00_15( 2,E,T,A,B,C,D,X( 2)); HOST_c2l(data,l); X( 4)=l;
BODY_00_15( 3,D,E,T,A,B,C,X( 3)); HOST_c2l(data,l); X( 5)=l;
BODY_00_15( 4,C,D,E,T,A,B,X( 4)); HOST_c2l(data,l); X( 6)=l;
BODY_00_15( 5,B,C,D,E,T,A,X( 5)); HOST_c2l(data,l); X( 7)=l;
BODY_00_15( 6,A,B,C,D,E,T,X( 6)); HOST_c2l(data,l); X( 8)=l;
BODY_00_15( 7,T,A,B,C,D,E,X( 7)); HOST_c2l(data,l); X( 9)=l;
BODY_00_15( 8,E,T,A,B,C,D,X( 8)); HOST_c2l(data,l); X(10)=l;
BODY_00_15( 9,D,E,T,A,B,C,X( 9)); HOST_c2l(data,l); X(11)=l;
BODY_00_15(10,C,D,E,T,A,B,X(10)); HOST_c2l(data,l); X(12)=l;
BODY_00_15(11,B,C,D,E,T,A,X(11)); HOST_c2l(data,l); X(13)=l;
BODY_00_15(12,A,B,C,D,E,T,X(12)); HOST_c2l(data,l); X(14)=l;
BODY_00_15(13,T,A,B,C,D,E,X(13)); HOST_c2l(data,l); X(15)=l;
BODY_00_15(14,E,T,A,B,C,D,X(14));
BODY_00_15(15,D,E,T,A,B,C,X(15));
}
BODY_16_19(16,C,D,E,T,A,B,X( 0),X( 0),X( 2),X( 8),X(13));
BODY_16_19(17,B,C,D,E,T,A,X( 1),X( 1),X( 3),X( 9),X(14));
BODY_16_19(18,A,B,C,D,E,T,X( 2),X( 2),X( 4),X(10),X(15));
BODY_16_19(19,T,A,B,C,D,E,X( 3),X( 3),X( 5),X(11),X( 0));
BODY_20_31(20,E,T,A,B,C,D,X( 4),X( 4),X( 6),X(12),X( 1));
BODY_20_31(21,D,E,T,A,B,C,X( 5),X( 5),X( 7),X(13),X( 2));
BODY_20_31(22,C,D,E,T,A,B,X( 6),X( 6),X( 8),X(14),X( 3));
BODY_20_31(23,B,C,D,E,T,A,X( 7),X( 7),X( 9),X(15),X( 4));
BODY_20_31(24,A,B,C,D,E,T,X( 8),X( 8),X(10),X( 0),X( 5));
BODY_20_31(25,T,A,B,C,D,E,X( 9),X( 9),X(11),X( 1),X( 6));
BODY_20_31(26,E,T,A,B,C,D,X(10),X(10),X(12),X( 2),X( 7));
BODY_20_31(27,D,E,T,A,B,C,X(11),X(11),X(13),X( 3),X( 8));
BODY_20_31(28,C,D,E,T,A,B,X(12),X(12),X(14),X( 4),X( 9));
BODY_20_31(29,B,C,D,E,T,A,X(13),X(13),X(15),X( 5),X(10));
BODY_20_31(30,A,B,C,D,E,T,X(14),X(14),X( 0),X( 6),X(11));
BODY_20_31(31,T,A,B,C,D,E,X(15),X(15),X( 1),X( 7),X(12));
BODY_32_39(32,E,T,A,B,C,D,X( 0),X( 2),X( 8),X(13));
BODY_32_39(33,D,E,T,A,B,C,X( 1),X( 3),X( 9),X(14));
BODY_32_39(34,C,D,E,T,A,B,X( 2),X( 4),X(10),X(15));
BODY_32_39(35,B,C,D,E,T,A,X( 3),X( 5),X(11),X( 0));
BODY_32_39(36,A,B,C,D,E,T,X( 4),X( 6),X(12),X( 1));
BODY_32_39(37,T,A,B,C,D,E,X( 5),X( 7),X(13),X( 2));
BODY_32_39(38,E,T,A,B,C,D,X( 6),X( 8),X(14),X( 3));
BODY_32_39(39,D,E,T,A,B,C,X( 7),X( 9),X(15),X( 4));
BODY_40_59(40,C,D,E,T,A,B,X( 8),X(10),X( 0),X( 5));
BODY_40_59(41,B,C,D,E,T,A,X( 9),X(11),X( 1),X( 6));
BODY_40_59(42,A,B,C,D,E,T,X(10),X(12),X( 2),X( 7));
BODY_40_59(43,T,A,B,C,D,E,X(11),X(13),X( 3),X( 8));
BODY_40_59(44,E,T,A,B,C,D,X(12),X(14),X( 4),X( 9));
BODY_40_59(45,D,E,T,A,B,C,X(13),X(15),X( 5),X(10));
BODY_40_59(46,C,D,E,T,A,B,X(14),X( 0),X( 6),X(11));
BODY_40_59(47,B,C,D,E,T,A,X(15),X( 1),X( 7),X(12));
BODY_40_59(48,A,B,C,D,E,T,X( 0),X( 2),X( 8),X(13));
BODY_40_59(49,T,A,B,C,D,E,X( 1),X( 3),X( 9),X(14));
BODY_40_59(50,E,T,A,B,C,D,X( 2),X( 4),X(10),X(15));
BODY_40_59(51,D,E,T,A,B,C,X( 3),X( 5),X(11),X( 0));
BODY_40_59(52,C,D,E,T,A,B,X( 4),X( 6),X(12),X( 1));
BODY_40_59(53,B,C,D,E,T,A,X( 5),X( 7),X(13),X( 2));
BODY_40_59(54,A,B,C,D,E,T,X( 6),X( 8),X(14),X( 3));
BODY_40_59(55,T,A,B,C,D,E,X( 7),X( 9),X(15),X( 4));
BODY_40_59(56,E,T,A,B,C,D,X( 8),X(10),X( 0),X( 5));
BODY_40_59(57,D,E,T,A,B,C,X( 9),X(11),X( 1),X( 6));
BODY_40_59(58,C,D,E,T,A,B,X(10),X(12),X( 2),X( 7));
BODY_40_59(59,B,C,D,E,T,A,X(11),X(13),X( 3),X( 8));
BODY_60_79(60,A,B,C,D,E,T,X(12),X(14),X( 4),X( 9));
BODY_60_79(61,T,A,B,C,D,E,X(13),X(15),X( 5),X(10));
BODY_60_79(62,E,T,A,B,C,D,X(14),X( 0),X( 6),X(11));
BODY_60_79(63,D,E,T,A,B,C,X(15),X( 1),X( 7),X(12));
BODY_60_79(64,C,D,E,T,A,B,X( 0),X( 2),X( 8),X(13));
BODY_60_79(65,B,C,D,E,T,A,X( 1),X( 3),X( 9),X(14));
BODY_60_79(66,A,B,C,D,E,T,X( 2),X( 4),X(10),X(15));
BODY_60_79(67,T,A,B,C,D,E,X( 3),X( 5),X(11),X( 0));
BODY_60_79(68,E,T,A,B,C,D,X( 4),X( 6),X(12),X( 1));
BODY_60_79(69,D,E,T,A,B,C,X( 5),X( 7),X(13),X( 2));
BODY_60_79(70,C,D,E,T,A,B,X( 6),X( 8),X(14),X( 3));
BODY_60_79(71,B,C,D,E,T,A,X( 7),X( 9),X(15),X( 4));
BODY_60_79(72,A,B,C,D,E,T,X( 8),X(10),X( 0),X( 5));
BODY_60_79(73,T,A,B,C,D,E,X( 9),X(11),X( 1),X( 6));
BODY_60_79(74,E,T,A,B,C,D,X(10),X(12),X( 2),X( 7));
BODY_60_79(75,D,E,T,A,B,C,X(11),X(13),X( 3),X( 8));
BODY_60_79(76,C,D,E,T,A,B,X(12),X(14),X( 4),X( 9));
BODY_60_79(77,B,C,D,E,T,A,X(13),X(15),X( 5),X(10));
BODY_60_79(78,A,B,C,D,E,T,X(14),X( 0),X( 6),X(11));
BODY_60_79(79,T,A,B,C,D,E,X(15),X( 1),X( 7),X(12));
c->h0=(c->h0+E)&0xffffffffL;
c->h1=(c->h1+T)&0xffffffffL;
c->h2=(c->h2+A)&0xffffffffL;
c->h3=(c->h3+B)&0xffffffffL;
c->h4=(c->h4+C)&0xffffffffL;
if (--num == 0) break;
A=c->h0;
B=c->h1;
C=c->h2;
D=c->h3;
E=c->h4;
}
}
#endif
#else /* OPENSSL_SMALL_FOOTPRINT */
#define BODY_00_15(xi) do { \
T=E+K_00_19+F_00_19(B,C,D); \
E=D, D=C, C=ROTATE(B,30), B=A; \
A=ROTATE(A,5)+T+xi; } while(0)
#define BODY_16_19(xa,xb,xc,xd) do { \
Xupdate(T,xa,xa,xb,xc,xd); \
T+=E+K_00_19+F_00_19(B,C,D); \
E=D, D=C, C=ROTATE(B,30), B=A; \
A=ROTATE(A,5)+T; } while(0)
#define BODY_20_39(xa,xb,xc,xd) do { \
Xupdate(T,xa,xa,xb,xc,xd); \
T+=E+K_20_39+F_20_39(B,C,D); \
E=D, D=C, C=ROTATE(B,30), B=A; \
A=ROTATE(A,5)+T; } while(0)
#define BODY_40_59(xa,xb,xc,xd) do { \
Xupdate(T,xa,xa,xb,xc,xd); \
T+=E+K_40_59+F_40_59(B,C,D); \
E=D, D=C, C=ROTATE(B,30), B=A; \
A=ROTATE(A,5)+T; } while(0)
#define BODY_60_79(xa,xb,xc,xd) do { \
Xupdate(T,xa,xa,xb,xc,xd); \
T=E+K_60_79+F_60_79(B,C,D); \
E=D, D=C, C=ROTATE(B,30), B=A; \
A=ROTATE(A,5)+T+xa; } while(0)
#if !defined(SHA_1) || !defined(SHA1_ASM)
static void HASH_BLOCK_DATA_ORDER (SHA_CTX *c, const void *p, size_t num)
{
const unsigned char *data=p;
register unsigned MD32_REG_T A,B,C,D,E,T,l;
int i;
SHA_LONG X[16];
A=c->h0;
B=c->h1;
C=c->h2;
D=c->h3;
E=c->h4;
for (;;)
{
for (i=0;i<16;i++)
{ HOST_c2l(data,l); X[i]=l; BODY_00_15(X[i]); }
for (i=0;i<4;i++)
{ BODY_16_19(X[i], X[i+2], X[i+8], X[(i+13)&15]); }
for (;i<24;i++)
{ BODY_20_39(X[i&15], X[(i+2)&15], X[(i+8)&15],X[(i+13)&15]); }
for (i=0;i<20;i++)
{ BODY_40_59(X[(i+8)&15],X[(i+10)&15],X[i&15], X[(i+5)&15]); }
for (i=4;i<24;i++)
{ BODY_60_79(X[(i+8)&15],X[(i+10)&15],X[i&15], X[(i+5)&15]); }
c->h0=(c->h0+A)&0xffffffffL;
c->h1=(c->h1+B)&0xffffffffL;
c->h2=(c->h2+C)&0xffffffffL;
c->h3=(c->h3+D)&0xffffffffL;
c->h4=(c->h4+E)&0xffffffffL;
if (--num == 0) break;
A=c->h0;
B=c->h1;
C=c->h2;
D=c->h3;
E=c->h4;
}
}
#endif
#endif