1/* crypto/ripemd/rmd_dgst.c */
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 routines 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 <sys/types.h>
60
61#include <stdio.h>
62#include <string.h>
63
64#if 0
65#include <machine/ansi.h>	/* we use the __ variants of bit-sized types */
66#endif
67#include <machine/endian.h>
68
69#include "rmd_locl.h"
70
71/*
72 * The assembly-language code is not position-independent, so don't
73 * try to use it in a shared library.
74 */
75#ifdef PIC
76#undef RMD160_ASM
77#endif
78
79char *RMD160_version="RIPEMD160 part of SSLeay 0.9.0b 11-Oct-1998";
80
81#ifdef RMD160_ASM
82void ripemd160_block_x86(RIPEMD160_CTX *c, const u_int32_t *p,int num);
83#define ripemd160_block ripemd160_block_x86
84#else
85void ripemd160_block(RIPEMD160_CTX *c, const u_int32_t *p,int num);
86#endif
87
88void RIPEMD160_Init(RIPEMD160_CTX *c)
89	{
90	c->A=RIPEMD160_A;
91	c->B=RIPEMD160_B;
92	c->C=RIPEMD160_C;
93	c->D=RIPEMD160_D;
94	c->E=RIPEMD160_E;
95	c->Nl=0;
96	c->Nh=0;
97	c->num=0;
98	}
99
100void RIPEMD160_Update(RIPEMD160_CTX *c, const void *in, size_t len)
101	{
102	u_int32_t *p;
103	int sw,sc;
104	u_int32_t l;
105	const unsigned char *data = in;
106
107	if (len == 0) return;
108
109	l=(c->Nl+(len<<3))&0xffffffffL;
110	if (l < c->Nl) /* overflow */
111		c->Nh++;
112	c->Nh+=(len>>29);
113	c->Nl=l;
114
115	if (c->num != 0)
116		{
117		p=c->data;
118		sw=c->num>>2;
119		sc=c->num&0x03;
120
121		if ((c->num+len) >= RIPEMD160_CBLOCK)
122			{
123			l= p[sw];
124			p_c2l(data,l,sc);
125			p[sw++]=l;
126			for (; sw<RIPEMD160_LBLOCK; sw++)
127				{
128				c2l(data,l);
129				p[sw]=l;
130				}
131			len-=(RIPEMD160_CBLOCK-c->num);
132
133			ripemd160_block(c,p,64);
134			c->num=0;
135			/* drop through and do the rest */
136			}
137		else
138			{
139			int ew,ec;
140
141			c->num+=(int)len;
142			if ((sc+len) < 4) /* ugly, add char's to a word */
143				{
144				l= p[sw];
145				p_c2l_p(data,l,sc,len);
146				p[sw]=l;
147				}
148			else
149				{
150				ew=(c->num>>2);
151				ec=(c->num&0x03);
152				l= p[sw];
153				p_c2l(data,l,sc);
154				p[sw++]=l;
155				for (; sw < ew; sw++)
156					{ c2l(data,l); p[sw]=l; }
157				if (ec)
158					{
159					c2l_p(data,l,ec);
160					p[sw]=l;
161					}
162				}
163			return;
164			}
165		}
166	/* we now can process the input data in blocks of RIPEMD160_CBLOCK
167	 * chars and save the leftovers to c->data. */
168#if BYTE_ORDER == LITTLE_ENDIAN
169	if ((((unsigned long)data)%sizeof(u_int32_t)) == 0)
170		{
171		sw=(int)len/RIPEMD160_CBLOCK;
172		if (sw > 0)
173			{
174			sw*=RIPEMD160_CBLOCK;
175			ripemd160_block(c,(u_int32_t *)data,sw);
176			data+=sw;
177			len-=sw;
178			}
179		}
180#endif
181	p=c->data;
182	while (len >= RIPEMD160_CBLOCK)
183		{
184#if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == BIG_ENDIAN
185		if (p != (u_int32_t *)data)
186			memcpy(p,data,RIPEMD160_CBLOCK);
187		data+=RIPEMD160_CBLOCK;
188#if BYTE_ORDER == BIG_ENDIAN
189		for (sw=(RIPEMD160_LBLOCK/4); sw; sw--)
190			{
191			Endian_Reverse32(p[0]);
192			Endian_Reverse32(p[1]);
193			Endian_Reverse32(p[2]);
194			Endian_Reverse32(p[3]);
195			p+=4;
196			}
197#endif
198#else
199		for (sw=(RIPEMD160_LBLOCK/4); sw; sw--)
200			{
201			c2l(data,l); *(p++)=l;
202			c2l(data,l); *(p++)=l;
203			c2l(data,l); *(p++)=l;
204			c2l(data,l); *(p++)=l;
205			}
206#endif
207		p=c->data;
208		ripemd160_block(c,p,64);
209		len-=RIPEMD160_CBLOCK;
210		}
211	sc=(int)len;
212	c->num=sc;
213	if (sc)
214		{
215		sw=sc>>2;	/* words to copy */
216#if BYTE_ORDER == LITTLE_ENDIAN
217		p[sw]=0;
218		memcpy(p,data,sc);
219#else
220		sc&=0x03;
221		for ( ; sw; sw--)
222			{ c2l(data,l); *(p++)=l; }
223		c2l_p(data,l,sc);
224		*p=l;
225#endif
226		}
227	}
228
229void RIPEMD160_Transform(RIPEMD160_CTX *c, unsigned char *b)
230	{
231	u_int32_t p[16];
232#if BYTE_ORDER != LITTLE_ENDIAN
233	u_int32_t *q;
234	int i;
235#endif
236
237#if BYTE_ORDER == BIG_ENDIAN || BYTE_ORDER == LITTLE_ENDIAN
238	memcpy(p,b,64);
239#if BYTE_ORDER == BIG_ENDIAN
240	q=p;
241	for (i=(RIPEMD160_LBLOCK/4); i; i--)
242		{
243		Endian_Reverse32(q[0]);
244		Endian_Reverse32(q[1]);
245		Endian_Reverse32(q[2]);
246		Endian_Reverse32(q[3]);
247		q+=4;
248		}
249#endif
250#else
251	q=p;
252	for (i=(RIPEMD160_LBLOCK/4); i; i--)
253		{
254		u_int32_t l;
255		c2l(b,l); *(q++)=l;
256		c2l(b,l); *(q++)=l;
257		c2l(b,l); *(q++)=l;
258		c2l(b,l); *(q++)=l;
259		}
260#endif
261	ripemd160_block(c,p,64);
262	}
263
264#ifndef RMD160_ASM
265
266void ripemd160_block(RIPEMD160_CTX *ctx, const u_int32_t *X, int num)
267	{
268	u_int32_t A,B,C,D,E;
269	u_int32_t a,b,c,d,e;
270
271	for (;;)
272		{
273		A=ctx->A; B=ctx->B; C=ctx->C; D=ctx->D; E=ctx->E;
274
275	RIP1(A,B,C,D,E,WL00,SL00);
276	RIP1(E,A,B,C,D,WL01,SL01);
277	RIP1(D,E,A,B,C,WL02,SL02);
278	RIP1(C,D,E,A,B,WL03,SL03);
279	RIP1(B,C,D,E,A,WL04,SL04);
280	RIP1(A,B,C,D,E,WL05,SL05);
281	RIP1(E,A,B,C,D,WL06,SL06);
282	RIP1(D,E,A,B,C,WL07,SL07);
283	RIP1(C,D,E,A,B,WL08,SL08);
284	RIP1(B,C,D,E,A,WL09,SL09);
285	RIP1(A,B,C,D,E,WL10,SL10);
286	RIP1(E,A,B,C,D,WL11,SL11);
287	RIP1(D,E,A,B,C,WL12,SL12);
288	RIP1(C,D,E,A,B,WL13,SL13);
289	RIP1(B,C,D,E,A,WL14,SL14);
290	RIP1(A,B,C,D,E,WL15,SL15);
291
292	RIP2(E,A,B,C,D,WL16,SL16,KL1);
293	RIP2(D,E,A,B,C,WL17,SL17,KL1);
294	RIP2(C,D,E,A,B,WL18,SL18,KL1);
295	RIP2(B,C,D,E,A,WL19,SL19,KL1);
296	RIP2(A,B,C,D,E,WL20,SL20,KL1);
297	RIP2(E,A,B,C,D,WL21,SL21,KL1);
298	RIP2(D,E,A,B,C,WL22,SL22,KL1);
299	RIP2(C,D,E,A,B,WL23,SL23,KL1);
300	RIP2(B,C,D,E,A,WL24,SL24,KL1);
301	RIP2(A,B,C,D,E,WL25,SL25,KL1);
302	RIP2(E,A,B,C,D,WL26,SL26,KL1);
303	RIP2(D,E,A,B,C,WL27,SL27,KL1);
304	RIP2(C,D,E,A,B,WL28,SL28,KL1);
305	RIP2(B,C,D,E,A,WL29,SL29,KL1);
306	RIP2(A,B,C,D,E,WL30,SL30,KL1);
307	RIP2(E,A,B,C,D,WL31,SL31,KL1);
308
309	RIP3(D,E,A,B,C,WL32,SL32,KL2);
310	RIP3(C,D,E,A,B,WL33,SL33,KL2);
311	RIP3(B,C,D,E,A,WL34,SL34,KL2);
312	RIP3(A,B,C,D,E,WL35,SL35,KL2);
313	RIP3(E,A,B,C,D,WL36,SL36,KL2);
314	RIP3(D,E,A,B,C,WL37,SL37,KL2);
315	RIP3(C,D,E,A,B,WL38,SL38,KL2);
316	RIP3(B,C,D,E,A,WL39,SL39,KL2);
317	RIP3(A,B,C,D,E,WL40,SL40,KL2);
318	RIP3(E,A,B,C,D,WL41,SL41,KL2);
319	RIP3(D,E,A,B,C,WL42,SL42,KL2);
320	RIP3(C,D,E,A,B,WL43,SL43,KL2);
321	RIP3(B,C,D,E,A,WL44,SL44,KL2);
322	RIP3(A,B,C,D,E,WL45,SL45,KL2);
323	RIP3(E,A,B,C,D,WL46,SL46,KL2);
324	RIP3(D,E,A,B,C,WL47,SL47,KL2);
325
326	RIP4(C,D,E,A,B,WL48,SL48,KL3);
327	RIP4(B,C,D,E,A,WL49,SL49,KL3);
328	RIP4(A,B,C,D,E,WL50,SL50,KL3);
329	RIP4(E,A,B,C,D,WL51,SL51,KL3);
330	RIP4(D,E,A,B,C,WL52,SL52,KL3);
331	RIP4(C,D,E,A,B,WL53,SL53,KL3);
332	RIP4(B,C,D,E,A,WL54,SL54,KL3);
333	RIP4(A,B,C,D,E,WL55,SL55,KL3);
334	RIP4(E,A,B,C,D,WL56,SL56,KL3);
335	RIP4(D,E,A,B,C,WL57,SL57,KL3);
336	RIP4(C,D,E,A,B,WL58,SL58,KL3);
337	RIP4(B,C,D,E,A,WL59,SL59,KL3);
338	RIP4(A,B,C,D,E,WL60,SL60,KL3);
339	RIP4(E,A,B,C,D,WL61,SL61,KL3);
340	RIP4(D,E,A,B,C,WL62,SL62,KL3);
341	RIP4(C,D,E,A,B,WL63,SL63,KL3);
342
343	RIP5(B,C,D,E,A,WL64,SL64,KL4);
344	RIP5(A,B,C,D,E,WL65,SL65,KL4);
345	RIP5(E,A,B,C,D,WL66,SL66,KL4);
346	RIP5(D,E,A,B,C,WL67,SL67,KL4);
347	RIP5(C,D,E,A,B,WL68,SL68,KL4);
348	RIP5(B,C,D,E,A,WL69,SL69,KL4);
349	RIP5(A,B,C,D,E,WL70,SL70,KL4);
350	RIP5(E,A,B,C,D,WL71,SL71,KL4);
351	RIP5(D,E,A,B,C,WL72,SL72,KL4);
352	RIP5(C,D,E,A,B,WL73,SL73,KL4);
353	RIP5(B,C,D,E,A,WL74,SL74,KL4);
354	RIP5(A,B,C,D,E,WL75,SL75,KL4);
355	RIP5(E,A,B,C,D,WL76,SL76,KL4);
356	RIP5(D,E,A,B,C,WL77,SL77,KL4);
357	RIP5(C,D,E,A,B,WL78,SL78,KL4);
358	RIP5(B,C,D,E,A,WL79,SL79,KL4);
359
360	a=A; b=B; c=C; d=D; e=E;
361	/* Do other half */
362	A=ctx->A; B=ctx->B; C=ctx->C; D=ctx->D; E=ctx->E;
363
364	RIP5(A,B,C,D,E,WR00,SR00,KR0);
365	RIP5(E,A,B,C,D,WR01,SR01,KR0);
366	RIP5(D,E,A,B,C,WR02,SR02,KR0);
367	RIP5(C,D,E,A,B,WR03,SR03,KR0);
368	RIP5(B,C,D,E,A,WR04,SR04,KR0);
369	RIP5(A,B,C,D,E,WR05,SR05,KR0);
370	RIP5(E,A,B,C,D,WR06,SR06,KR0);
371	RIP5(D,E,A,B,C,WR07,SR07,KR0);
372	RIP5(C,D,E,A,B,WR08,SR08,KR0);
373	RIP5(B,C,D,E,A,WR09,SR09,KR0);
374	RIP5(A,B,C,D,E,WR10,SR10,KR0);
375	RIP5(E,A,B,C,D,WR11,SR11,KR0);
376	RIP5(D,E,A,B,C,WR12,SR12,KR0);
377	RIP5(C,D,E,A,B,WR13,SR13,KR0);
378	RIP5(B,C,D,E,A,WR14,SR14,KR0);
379	RIP5(A,B,C,D,E,WR15,SR15,KR0);
380
381	RIP4(E,A,B,C,D,WR16,SR16,KR1);
382	RIP4(D,E,A,B,C,WR17,SR17,KR1);
383	RIP4(C,D,E,A,B,WR18,SR18,KR1);
384	RIP4(B,C,D,E,A,WR19,SR19,KR1);
385	RIP4(A,B,C,D,E,WR20,SR20,KR1);
386	RIP4(E,A,B,C,D,WR21,SR21,KR1);
387	RIP4(D,E,A,B,C,WR22,SR22,KR1);
388	RIP4(C,D,E,A,B,WR23,SR23,KR1);
389	RIP4(B,C,D,E,A,WR24,SR24,KR1);
390	RIP4(A,B,C,D,E,WR25,SR25,KR1);
391	RIP4(E,A,B,C,D,WR26,SR26,KR1);
392	RIP4(D,E,A,B,C,WR27,SR27,KR1);
393	RIP4(C,D,E,A,B,WR28,SR28,KR1);
394	RIP4(B,C,D,E,A,WR29,SR29,KR1);
395	RIP4(A,B,C,D,E,WR30,SR30,KR1);
396	RIP4(E,A,B,C,D,WR31,SR31,KR1);
397
398	RIP3(D,E,A,B,C,WR32,SR32,KR2);
399	RIP3(C,D,E,A,B,WR33,SR33,KR2);
400	RIP3(B,C,D,E,A,WR34,SR34,KR2);
401	RIP3(A,B,C,D,E,WR35,SR35,KR2);
402	RIP3(E,A,B,C,D,WR36,SR36,KR2);
403	RIP3(D,E,A,B,C,WR37,SR37,KR2);
404	RIP3(C,D,E,A,B,WR38,SR38,KR2);
405	RIP3(B,C,D,E,A,WR39,SR39,KR2);
406	RIP3(A,B,C,D,E,WR40,SR40,KR2);
407	RIP3(E,A,B,C,D,WR41,SR41,KR2);
408	RIP3(D,E,A,B,C,WR42,SR42,KR2);
409	RIP3(C,D,E,A,B,WR43,SR43,KR2);
410	RIP3(B,C,D,E,A,WR44,SR44,KR2);
411	RIP3(A,B,C,D,E,WR45,SR45,KR2);
412	RIP3(E,A,B,C,D,WR46,SR46,KR2);
413	RIP3(D,E,A,B,C,WR47,SR47,KR2);
414
415	RIP2(C,D,E,A,B,WR48,SR48,KR3);
416	RIP2(B,C,D,E,A,WR49,SR49,KR3);
417	RIP2(A,B,C,D,E,WR50,SR50,KR3);
418	RIP2(E,A,B,C,D,WR51,SR51,KR3);
419	RIP2(D,E,A,B,C,WR52,SR52,KR3);
420	RIP2(C,D,E,A,B,WR53,SR53,KR3);
421	RIP2(B,C,D,E,A,WR54,SR54,KR3);
422	RIP2(A,B,C,D,E,WR55,SR55,KR3);
423	RIP2(E,A,B,C,D,WR56,SR56,KR3);
424	RIP2(D,E,A,B,C,WR57,SR57,KR3);
425	RIP2(C,D,E,A,B,WR58,SR58,KR3);
426	RIP2(B,C,D,E,A,WR59,SR59,KR3);
427	RIP2(A,B,C,D,E,WR60,SR60,KR3);
428	RIP2(E,A,B,C,D,WR61,SR61,KR3);
429	RIP2(D,E,A,B,C,WR62,SR62,KR3);
430	RIP2(C,D,E,A,B,WR63,SR63,KR3);
431
432	RIP1(B,C,D,E,A,WR64,SR64);
433	RIP1(A,B,C,D,E,WR65,SR65);
434	RIP1(E,A,B,C,D,WR66,SR66);
435	RIP1(D,E,A,B,C,WR67,SR67);
436	RIP1(C,D,E,A,B,WR68,SR68);
437	RIP1(B,C,D,E,A,WR69,SR69);
438	RIP1(A,B,C,D,E,WR70,SR70);
439	RIP1(E,A,B,C,D,WR71,SR71);
440	RIP1(D,E,A,B,C,WR72,SR72);
441	RIP1(C,D,E,A,B,WR73,SR73);
442	RIP1(B,C,D,E,A,WR74,SR74);
443	RIP1(A,B,C,D,E,WR75,SR75);
444	RIP1(E,A,B,C,D,WR76,SR76);
445	RIP1(D,E,A,B,C,WR77,SR77);
446	RIP1(C,D,E,A,B,WR78,SR78);
447	RIP1(B,C,D,E,A,WR79,SR79);
448
449	D     =ctx->B+c+D;
450	ctx->B=ctx->C+d+E;
451	ctx->C=ctx->D+e+A;
452	ctx->D=ctx->E+a+B;
453	ctx->E=ctx->A+b+C;
454	ctx->A=D;
455
456	X+=16;
457	num-=64;
458	if (num <= 0) break;
459		}
460	}
461#endif
462
463void RIPEMD160_Final(unsigned char *md, RIPEMD160_CTX *c)
464	{
465	int i,j;
466	u_int32_t l;
467	u_int32_t *p;
468	static unsigned char end[4]={0x80,0x00,0x00,0x00};
469	unsigned char *cp=end;
470
471	/* c->num should definitly have room for at least one more byte. */
472	p=c->data;
473	j=c->num;
474	i=j>>2;
475
476	/* purify often complains about the following line as an
477	 * Uninitialized Memory Read.  While this can be true, the
478	 * following p_c2l macro will reset l when that case is true.
479	 * This is because j&0x03 contains the number of 'valid' bytes
480	 * already in p[i].  If and only if j&0x03 == 0, the UMR will
481	 * occur but this is also the only time p_c2l will do
482	 * l= *(cp++) instead of l|= *(cp++)
483	 * Many thanks to Alex Tang <altitude@cic.net> for pickup this
484	 * 'potential bug' */
485#ifdef PURIFY
486	if ((j&0x03) == 0) p[i]=0;
487#endif
488	l=p[i];
489	p_c2l(cp,l,j&0x03);
490	p[i]=l;
491	i++;
492	/* i is the next 'undefined word' */
493	if (c->num >= RIPEMD160_LAST_BLOCK)
494		{
495		for (; i<RIPEMD160_LBLOCK; i++)
496			p[i]=0;
497		ripemd160_block(c,p,64);
498		i=0;
499		}
500	for (; i<(RIPEMD160_LBLOCK-2); i++)
501		p[i]=0;
502	p[RIPEMD160_LBLOCK-2]=c->Nl;
503	p[RIPEMD160_LBLOCK-1]=c->Nh;
504	ripemd160_block(c,p,64);
505	cp=md;
506	l=c->A; l2c(l,cp);
507	l=c->B; l2c(l,cp);
508	l=c->C; l2c(l,cp);
509	l=c->D; l2c(l,cp);
510	l=c->E; l2c(l,cp);
511
512	/* Clear the context state */
513	explicit_bzero(&c, sizeof(c));
514	}
515
516#ifdef undef
517int printit(unsigned long *l)
518	{
519	int i,ii;
520
521	for (i=0; i<2; i++)
522		{
523		for (ii=0; ii<8; ii++)
524			{
525			fprintf(stderr,"%08lx ",l[i*8+ii]);
526			}
527		fprintf(stderr,"\n");
528		}
529	}
530#endif
531
532#ifdef WEAK_REFS
533/* When building libmd, provide weak references. Note: this is not
534   activated in the context of compiling these sources for internal
535   use in libcrypt.
536 */
537#undef RIPEMD160_Init
538__weak_reference(_libmd_RIPEMD160_Init, RIPEMD160_Init);
539#undef RIPEMD160_Update
540__weak_reference(_libmd_RIPEMD160_Update, RIPEMD160_Update);
541#undef RIPEMD160_Final
542__weak_reference(_libmd_RIPEMD160_Final, RIPEMD160_Final);
543#undef RIPEMD160_Transform
544__weak_reference(_libmd_RIPEMD160_Transform, RIPEMD160_Transform);
545#undef RMD160_version
546__weak_reference(_libmd_RMD160_version, RMD160_version);
547#undef ripemd160_block
548__weak_reference(_libmd_ripemd160_block, ripemd160_block);
549#endif
550