1/* crypto/sha/sha_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 <stdlib.h>
60#include <string.h>
61
62#include <openssl/opensslconf.h>
63#include <openssl/sha.h>
64
65#define DATA_ORDER_IS_BIG_ENDIAN
66
67#define HASH_LONG               SHA_LONG
68#define HASH_CTX                SHA_CTX
69#define HASH_CBLOCK             SHA_CBLOCK
70#define HASH_MAKE_STRING(c,s)   do {	\
71	unsigned long ll;		\
72	ll=(c)->h0; (void)HOST_l2c(ll,(s));	\
73	ll=(c)->h1; (void)HOST_l2c(ll,(s));	\
74	ll=(c)->h2; (void)HOST_l2c(ll,(s));	\
75	ll=(c)->h3; (void)HOST_l2c(ll,(s));	\
76	ll=(c)->h4; (void)HOST_l2c(ll,(s));	\
77	} while (0)
78
79#if defined(SHA_0)
80
81# define HASH_UPDATE             	SHA_Update
82# define HASH_TRANSFORM          	SHA_Transform
83# define HASH_FINAL              	SHA_Final
84# define HASH_INIT			SHA_Init
85# define HASH_BLOCK_DATA_ORDER   	sha_block_data_order
86# define Xupdate(a,ix,ia,ib,ic,id)	(ix=(a)=(ia^ib^ic^id))
87
88static void sha_block_data_order (SHA_CTX *c, const void *p,size_t num);
89
90#elif defined(SHA_1)
91
92# define HASH_UPDATE             	SHA1_Update
93# define HASH_TRANSFORM          	SHA1_Transform
94# define HASH_FINAL              	SHA1_Final
95# define HASH_INIT			SHA1_Init
96# define HASH_BLOCK_DATA_ORDER   	sha1_block_data_order
97# if defined(__MWERKS__) && defined(__MC68K__)
98   /* Metrowerks for Motorola fails otherwise:-( <appro@fy.chalmers.se> */
99#  define Xupdate(a,ix,ia,ib,ic,id)	do { (a)=(ia^ib^ic^id);		\
100					     ix=(a)=ROTATE((a),1);	\
101					} while (0)
102# else
103#  define Xupdate(a,ix,ia,ib,ic,id)	( (a)=(ia^ib^ic^id),	\
104					  ix=(a)=ROTATE((a),1)	\
105					)
106# endif
107
108#ifndef SHA1_ASM
109static
110#endif
111void sha1_block_data_order (SHA_CTX *c, const void *p,size_t num);
112
113#else
114# error "Either SHA_0 or SHA_1 must be defined."
115#endif
116
117#include "md32_common.h"
118
119#define INIT_DATA_h0 0x67452301UL
120#define INIT_DATA_h1 0xefcdab89UL
121#define INIT_DATA_h2 0x98badcfeUL
122#define INIT_DATA_h3 0x10325476UL
123#define INIT_DATA_h4 0xc3d2e1f0UL
124
125#ifdef SHA_0
126fips_md_init(SHA)
127#else
128fips_md_init_ctx(SHA1, SHA)
129#endif
130	{
131	memset (c,0,sizeof(*c));
132	c->h0=INIT_DATA_h0;
133	c->h1=INIT_DATA_h1;
134	c->h2=INIT_DATA_h2;
135	c->h3=INIT_DATA_h3;
136	c->h4=INIT_DATA_h4;
137	return 1;
138	}
139
140#define K_00_19	0x5a827999UL
141#define K_20_39 0x6ed9eba1UL
142#define K_40_59 0x8f1bbcdcUL
143#define K_60_79 0xca62c1d6UL
144
145/* As  pointed out by Wei Dai <weidai@eskimo.com>, F() below can be
146 * simplified to the code in F_00_19.  Wei attributes these optimisations
147 * to Peter Gutmann's SHS code, and he attributes it to Rich Schroeppel.
148 * #define F(x,y,z) (((x) & (y))  |  ((~(x)) & (z)))
149 * I've just become aware of another tweak to be made, again from Wei Dai,
150 * in F_40_59, (x&a)|(y&a) -> (x|y)&a
151 */
152#define	F_00_19(b,c,d)	((((c) ^ (d)) & (b)) ^ (d))
153#define	F_20_39(b,c,d)	((b) ^ (c) ^ (d))
154#define F_40_59(b,c,d)	(((b) & (c)) | (((b)|(c)) & (d)))
155#define	F_60_79(b,c,d)	F_20_39(b,c,d)
156
157#ifndef OPENSSL_SMALL_FOOTPRINT
158
159#define BODY_00_15(i,a,b,c,d,e,f,xi) \
160	(f)=xi+(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \
161	(b)=ROTATE((b),30);
162
163#define BODY_16_19(i,a,b,c,d,e,f,xi,xa,xb,xc,xd) \
164	Xupdate(f,xi,xa,xb,xc,xd); \
165	(f)+=(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \
166	(b)=ROTATE((b),30);
167
168#define BODY_20_31(i,a,b,c,d,e,f,xi,xa,xb,xc,xd) \
169	Xupdate(f,xi,xa,xb,xc,xd); \
170	(f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \
171	(b)=ROTATE((b),30);
172
173#define BODY_32_39(i,a,b,c,d,e,f,xa,xb,xc,xd) \
174	Xupdate(f,xa,xa,xb,xc,xd); \
175	(f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \
176	(b)=ROTATE((b),30);
177
178#define BODY_40_59(i,a,b,c,d,e,f,xa,xb,xc,xd) \
179	Xupdate(f,xa,xa,xb,xc,xd); \
180	(f)+=(e)+K_40_59+ROTATE((a),5)+F_40_59((b),(c),(d)); \
181	(b)=ROTATE((b),30);
182
183#define BODY_60_79(i,a,b,c,d,e,f,xa,xb,xc,xd) \
184	Xupdate(f,xa,xa,xb,xc,xd); \
185	(f)=xa+(e)+K_60_79+ROTATE((a),5)+F_60_79((b),(c),(d)); \
186	(b)=ROTATE((b),30);
187
188#ifdef X
189#undef X
190#endif
191#ifndef MD32_XARRAY
192  /*
193   * Originally X was an array. As it's automatic it's natural
194   * to expect RISC compiler to accomodate at least part of it in
195   * the register bank, isn't it? Unfortunately not all compilers
196   * "find" this expectation reasonable:-( On order to make such
197   * compilers generate better code I replace X[] with a bunch of
198   * X0, X1, etc. See the function body below...
199   *					<appro@fy.chalmers.se>
200   */
201# define X(i)	XX##i
202#else
203  /*
204   * However! Some compilers (most notably HP C) get overwhelmed by
205   * that many local variables so that we have to have the way to
206   * fall down to the original behavior.
207   */
208# define X(i)	XX[i]
209#endif
210
211#if !defined(SHA_1) || !defined(SHA1_ASM)
212static void HASH_BLOCK_DATA_ORDER (SHA_CTX *c, const void *p, size_t num)
213	{
214	const unsigned char *data=p;
215	register unsigned MD32_REG_T A,B,C,D,E,T,l;
216#ifndef MD32_XARRAY
217	unsigned MD32_REG_T	XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
218				XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15;
219#else
220	SHA_LONG	XX[16];
221#endif
222
223	A=c->h0;
224	B=c->h1;
225	C=c->h2;
226	D=c->h3;
227	E=c->h4;
228
229	for (;;)
230			{
231	const union { long one; char little; } is_endian = {1};
232
233	if (!is_endian.little && sizeof(SHA_LONG)==4 && ((size_t)p%4)==0)
234		{
235		const SHA_LONG *W=(const SHA_LONG *)data;
236
237		X( 0) = W[0];				X( 1) = W[ 1];
238		BODY_00_15( 0,A,B,C,D,E,T,X( 0));	X( 2) = W[ 2];
239		BODY_00_15( 1,T,A,B,C,D,E,X( 1));	X( 3) = W[ 3];
240		BODY_00_15( 2,E,T,A,B,C,D,X( 2));	X( 4) = W[ 4];
241		BODY_00_15( 3,D,E,T,A,B,C,X( 3));	X( 5) = W[ 5];
242		BODY_00_15( 4,C,D,E,T,A,B,X( 4));	X( 6) = W[ 6];
243		BODY_00_15( 5,B,C,D,E,T,A,X( 5));	X( 7) = W[ 7];
244		BODY_00_15( 6,A,B,C,D,E,T,X( 6));	X( 8) = W[ 8];
245		BODY_00_15( 7,T,A,B,C,D,E,X( 7));	X( 9) = W[ 9];
246		BODY_00_15( 8,E,T,A,B,C,D,X( 8));	X(10) = W[10];
247		BODY_00_15( 9,D,E,T,A,B,C,X( 9));	X(11) = W[11];
248		BODY_00_15(10,C,D,E,T,A,B,X(10));	X(12) = W[12];
249		BODY_00_15(11,B,C,D,E,T,A,X(11));	X(13) = W[13];
250		BODY_00_15(12,A,B,C,D,E,T,X(12));	X(14) = W[14];
251		BODY_00_15(13,T,A,B,C,D,E,X(13));	X(15) = W[15];
252		BODY_00_15(14,E,T,A,B,C,D,X(14));
253		BODY_00_15(15,D,E,T,A,B,C,X(15));
254
255		data += SHA_CBLOCK;
256		}
257	else
258		{
259		(void)HOST_c2l(data,l); X( 0)=l;	(void)HOST_c2l(data,l); X( 1)=l;
260		BODY_00_15( 0,A,B,C,D,E,T,X( 0));	(void)HOST_c2l(data,l); X( 2)=l;
261		BODY_00_15( 1,T,A,B,C,D,E,X( 1));	(void)HOST_c2l(data,l); X( 3)=l;
262		BODY_00_15( 2,E,T,A,B,C,D,X( 2));	(void)HOST_c2l(data,l); X( 4)=l;
263		BODY_00_15( 3,D,E,T,A,B,C,X( 3));	(void)HOST_c2l(data,l); X( 5)=l;
264		BODY_00_15( 4,C,D,E,T,A,B,X( 4));	(void)HOST_c2l(data,l); X( 6)=l;
265		BODY_00_15( 5,B,C,D,E,T,A,X( 5));	(void)HOST_c2l(data,l); X( 7)=l;
266		BODY_00_15( 6,A,B,C,D,E,T,X( 6));	(void)HOST_c2l(data,l); X( 8)=l;
267		BODY_00_15( 7,T,A,B,C,D,E,X( 7));	(void)HOST_c2l(data,l); X( 9)=l;
268		BODY_00_15( 8,E,T,A,B,C,D,X( 8));	(void)HOST_c2l(data,l); X(10)=l;
269		BODY_00_15( 9,D,E,T,A,B,C,X( 9));	(void)HOST_c2l(data,l); X(11)=l;
270		BODY_00_15(10,C,D,E,T,A,B,X(10));	(void)HOST_c2l(data,l); X(12)=l;
271		BODY_00_15(11,B,C,D,E,T,A,X(11));	(void)HOST_c2l(data,l); X(13)=l;
272		BODY_00_15(12,A,B,C,D,E,T,X(12));	(void)HOST_c2l(data,l); X(14)=l;
273		BODY_00_15(13,T,A,B,C,D,E,X(13));	(void)HOST_c2l(data,l); X(15)=l;
274		BODY_00_15(14,E,T,A,B,C,D,X(14));
275		BODY_00_15(15,D,E,T,A,B,C,X(15));
276		}
277
278	BODY_16_19(16,C,D,E,T,A,B,X( 0),X( 0),X( 2),X( 8),X(13));
279	BODY_16_19(17,B,C,D,E,T,A,X( 1),X( 1),X( 3),X( 9),X(14));
280	BODY_16_19(18,A,B,C,D,E,T,X( 2),X( 2),X( 4),X(10),X(15));
281	BODY_16_19(19,T,A,B,C,D,E,X( 3),X( 3),X( 5),X(11),X( 0));
282
283	BODY_20_31(20,E,T,A,B,C,D,X( 4),X( 4),X( 6),X(12),X( 1));
284	BODY_20_31(21,D,E,T,A,B,C,X( 5),X( 5),X( 7),X(13),X( 2));
285	BODY_20_31(22,C,D,E,T,A,B,X( 6),X( 6),X( 8),X(14),X( 3));
286	BODY_20_31(23,B,C,D,E,T,A,X( 7),X( 7),X( 9),X(15),X( 4));
287	BODY_20_31(24,A,B,C,D,E,T,X( 8),X( 8),X(10),X( 0),X( 5));
288	BODY_20_31(25,T,A,B,C,D,E,X( 9),X( 9),X(11),X( 1),X( 6));
289	BODY_20_31(26,E,T,A,B,C,D,X(10),X(10),X(12),X( 2),X( 7));
290	BODY_20_31(27,D,E,T,A,B,C,X(11),X(11),X(13),X( 3),X( 8));
291	BODY_20_31(28,C,D,E,T,A,B,X(12),X(12),X(14),X( 4),X( 9));
292	BODY_20_31(29,B,C,D,E,T,A,X(13),X(13),X(15),X( 5),X(10));
293	BODY_20_31(30,A,B,C,D,E,T,X(14),X(14),X( 0),X( 6),X(11));
294	BODY_20_31(31,T,A,B,C,D,E,X(15),X(15),X( 1),X( 7),X(12));
295
296	BODY_32_39(32,E,T,A,B,C,D,X( 0),X( 2),X( 8),X(13));
297	BODY_32_39(33,D,E,T,A,B,C,X( 1),X( 3),X( 9),X(14));
298	BODY_32_39(34,C,D,E,T,A,B,X( 2),X( 4),X(10),X(15));
299	BODY_32_39(35,B,C,D,E,T,A,X( 3),X( 5),X(11),X( 0));
300	BODY_32_39(36,A,B,C,D,E,T,X( 4),X( 6),X(12),X( 1));
301	BODY_32_39(37,T,A,B,C,D,E,X( 5),X( 7),X(13),X( 2));
302	BODY_32_39(38,E,T,A,B,C,D,X( 6),X( 8),X(14),X( 3));
303	BODY_32_39(39,D,E,T,A,B,C,X( 7),X( 9),X(15),X( 4));
304
305	BODY_40_59(40,C,D,E,T,A,B,X( 8),X(10),X( 0),X( 5));
306	BODY_40_59(41,B,C,D,E,T,A,X( 9),X(11),X( 1),X( 6));
307	BODY_40_59(42,A,B,C,D,E,T,X(10),X(12),X( 2),X( 7));
308	BODY_40_59(43,T,A,B,C,D,E,X(11),X(13),X( 3),X( 8));
309	BODY_40_59(44,E,T,A,B,C,D,X(12),X(14),X( 4),X( 9));
310	BODY_40_59(45,D,E,T,A,B,C,X(13),X(15),X( 5),X(10));
311	BODY_40_59(46,C,D,E,T,A,B,X(14),X( 0),X( 6),X(11));
312	BODY_40_59(47,B,C,D,E,T,A,X(15),X( 1),X( 7),X(12));
313	BODY_40_59(48,A,B,C,D,E,T,X( 0),X( 2),X( 8),X(13));
314	BODY_40_59(49,T,A,B,C,D,E,X( 1),X( 3),X( 9),X(14));
315	BODY_40_59(50,E,T,A,B,C,D,X( 2),X( 4),X(10),X(15));
316	BODY_40_59(51,D,E,T,A,B,C,X( 3),X( 5),X(11),X( 0));
317	BODY_40_59(52,C,D,E,T,A,B,X( 4),X( 6),X(12),X( 1));
318	BODY_40_59(53,B,C,D,E,T,A,X( 5),X( 7),X(13),X( 2));
319	BODY_40_59(54,A,B,C,D,E,T,X( 6),X( 8),X(14),X( 3));
320	BODY_40_59(55,T,A,B,C,D,E,X( 7),X( 9),X(15),X( 4));
321	BODY_40_59(56,E,T,A,B,C,D,X( 8),X(10),X( 0),X( 5));
322	BODY_40_59(57,D,E,T,A,B,C,X( 9),X(11),X( 1),X( 6));
323	BODY_40_59(58,C,D,E,T,A,B,X(10),X(12),X( 2),X( 7));
324	BODY_40_59(59,B,C,D,E,T,A,X(11),X(13),X( 3),X( 8));
325
326	BODY_60_79(60,A,B,C,D,E,T,X(12),X(14),X( 4),X( 9));
327	BODY_60_79(61,T,A,B,C,D,E,X(13),X(15),X( 5),X(10));
328	BODY_60_79(62,E,T,A,B,C,D,X(14),X( 0),X( 6),X(11));
329	BODY_60_79(63,D,E,T,A,B,C,X(15),X( 1),X( 7),X(12));
330	BODY_60_79(64,C,D,E,T,A,B,X( 0),X( 2),X( 8),X(13));
331	BODY_60_79(65,B,C,D,E,T,A,X( 1),X( 3),X( 9),X(14));
332	BODY_60_79(66,A,B,C,D,E,T,X( 2),X( 4),X(10),X(15));
333	BODY_60_79(67,T,A,B,C,D,E,X( 3),X( 5),X(11),X( 0));
334	BODY_60_79(68,E,T,A,B,C,D,X( 4),X( 6),X(12),X( 1));
335	BODY_60_79(69,D,E,T,A,B,C,X( 5),X( 7),X(13),X( 2));
336	BODY_60_79(70,C,D,E,T,A,B,X( 6),X( 8),X(14),X( 3));
337	BODY_60_79(71,B,C,D,E,T,A,X( 7),X( 9),X(15),X( 4));
338	BODY_60_79(72,A,B,C,D,E,T,X( 8),X(10),X( 0),X( 5));
339	BODY_60_79(73,T,A,B,C,D,E,X( 9),X(11),X( 1),X( 6));
340	BODY_60_79(74,E,T,A,B,C,D,X(10),X(12),X( 2),X( 7));
341	BODY_60_79(75,D,E,T,A,B,C,X(11),X(13),X( 3),X( 8));
342	BODY_60_79(76,C,D,E,T,A,B,X(12),X(14),X( 4),X( 9));
343	BODY_60_79(77,B,C,D,E,T,A,X(13),X(15),X( 5),X(10));
344	BODY_60_79(78,A,B,C,D,E,T,X(14),X( 0),X( 6),X(11));
345	BODY_60_79(79,T,A,B,C,D,E,X(15),X( 1),X( 7),X(12));
346
347	c->h0=(c->h0+E)&0xffffffffL;
348	c->h1=(c->h1+T)&0xffffffffL;
349	c->h2=(c->h2+A)&0xffffffffL;
350	c->h3=(c->h3+B)&0xffffffffL;
351	c->h4=(c->h4+C)&0xffffffffL;
352
353	if (--num == 0) break;
354
355	A=c->h0;
356	B=c->h1;
357	C=c->h2;
358	D=c->h3;
359	E=c->h4;
360
361			}
362	}
363#endif
364
365#else	/* OPENSSL_SMALL_FOOTPRINT */
366
367#define BODY_00_15(xi)		 do {	\
368	T=E+K_00_19+F_00_19(B,C,D);	\
369	E=D, D=C, C=ROTATE(B,30), B=A;	\
370	A=ROTATE(A,5)+T+xi;	    } while(0)
371
372#define BODY_16_19(xa,xb,xc,xd)	 do {	\
373	Xupdate(T,xa,xa,xb,xc,xd);	\
374	T+=E+K_00_19+F_00_19(B,C,D);	\
375	E=D, D=C, C=ROTATE(B,30), B=A;	\
376	A=ROTATE(A,5)+T;	    } while(0)
377
378#define BODY_20_39(xa,xb,xc,xd)	 do {	\
379	Xupdate(T,xa,xa,xb,xc,xd);	\
380	T+=E+K_20_39+F_20_39(B,C,D);	\
381	E=D, D=C, C=ROTATE(B,30), B=A;	\
382	A=ROTATE(A,5)+T;	    } while(0)
383
384#define BODY_40_59(xa,xb,xc,xd)	 do {	\
385	Xupdate(T,xa,xa,xb,xc,xd);	\
386	T+=E+K_40_59+F_40_59(B,C,D);	\
387	E=D, D=C, C=ROTATE(B,30), B=A;	\
388	A=ROTATE(A,5)+T;	    } while(0)
389
390#define BODY_60_79(xa,xb,xc,xd)	 do {	\
391	Xupdate(T,xa,xa,xb,xc,xd);	\
392	T=E+K_60_79+F_60_79(B,C,D);	\
393	E=D, D=C, C=ROTATE(B,30), B=A;	\
394	A=ROTATE(A,5)+T+xa;	    } while(0)
395
396#if !defined(SHA_1) || !defined(SHA1_ASM)
397static void HASH_BLOCK_DATA_ORDER (SHA_CTX *c, const void *p, size_t num)
398	{
399	const unsigned char *data=p;
400	register unsigned MD32_REG_T A,B,C,D,E,T,l;
401	int i;
402	SHA_LONG	X[16];
403
404	A=c->h0;
405	B=c->h1;
406	C=c->h2;
407	D=c->h3;
408	E=c->h4;
409
410	for (;;)
411		{
412	for (i=0;i<16;i++)
413	{ HOST_c2l(data,l); X[i]=l; BODY_00_15(X[i]); }
414	for (i=0;i<4;i++)
415	{ BODY_16_19(X[i],       X[i+2],      X[i+8],     X[(i+13)&15]); }
416	for (;i<24;i++)
417	{ BODY_20_39(X[i&15],    X[(i+2)&15], X[(i+8)&15],X[(i+13)&15]); }
418	for (i=0;i<20;i++)
419	{ BODY_40_59(X[(i+8)&15],X[(i+10)&15],X[i&15],    X[(i+5)&15]);  }
420	for (i=4;i<24;i++)
421	{ BODY_60_79(X[(i+8)&15],X[(i+10)&15],X[i&15],    X[(i+5)&15]);  }
422
423	c->h0=(c->h0+A)&0xffffffffL;
424	c->h1=(c->h1+B)&0xffffffffL;
425	c->h2=(c->h2+C)&0xffffffffL;
426	c->h3=(c->h3+D)&0xffffffffL;
427	c->h4=(c->h4+E)&0xffffffffL;
428
429	if (--num == 0) break;
430
431	A=c->h0;
432	B=c->h1;
433	C=c->h2;
434	D=c->h3;
435	E=c->h4;
436
437		}
438	}
439#endif
440
441#endif
442