1 files changed, 452 insertions, 0 deletions

diff --git a/lib/libmd/sha0c.c b/lib/libmd/sha0c.c
new file mode 100644
index 000000000000..727bee329cfc
--- /dev/null
+++ b/lib/libmd/sha0c.c
@@ -0,0 +1,452 @@
+/* crypto/sha/sha_dgst.c */
+/* 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.]
+ *
+ *	$Id$
+ */
+
+#include <sys/types.h>
+
+#include <stdio.h>
+#include <string.h>
+
+#if 0
+#include <machine/ansi.h>	/* we use the __ variants of bit-sized types */
+#endif
+#include <machine/endian.h>
+
+#define  SHA_0
+#undef SHA_1
+#include "sha.h"
+#include "sha_locl.h"
+
+char *SHA_version="SHA part of SSLeay 0.9.0b 11-Oct-1998";
+
+/* Implemented from SHA-0 document - The Secure Hash Algorithm
+ */
+
+#define INIT_DATA_h0 (unsigned long)0x67452301L
+#define INIT_DATA_h1 (unsigned long)0xefcdab89L
+#define INIT_DATA_h2 (unsigned long)0x98badcfeL
+#define INIT_DATA_h3 (unsigned long)0x10325476L
+#define INIT_DATA_h4 (unsigned long)0xc3d2e1f0L
+
+#define K_00_19	0x5a827999L
+#define K_20_39 0x6ed9eba1L
+#define K_40_59 0x8f1bbcdcL
+#define K_60_79 0xca62c1d6L
+
+#ifndef NOPROTO
+   void sha_block(SHA_CTX *c, const u_int32_t *p, int num);
+#else
+   void sha_block();
+#endif
+
+#define	M_c2nl 		c2nl
+#define	M_p_c2nl	p_c2nl
+#define	M_c2nl_p	c2nl_p
+#define	M_p_c2nl_p	p_c2nl_p
+#define	M_nl2c		nl2c
+
+void SHA_Init(c)
+SHA_CTX *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;
+	c->Nl=0;
+	c->Nh=0;
+	c->num=0;
+	}
+
+void SHA_Update(c, data, len)
+SHA_CTX *c;
+const unsigned char *data;
+u_int32_t len;
+	{
+	register u_int32_t *p;
+	int ew,ec,sw,sc;
+	u_int32_t l;
+
+	if (len == 0) return;
+
+	l=(c->Nl+(len<<3))&0xffffffffL;
+	if (l < c->Nl) /* overflow */
+		c->Nh++;
+	c->Nh+=(len>>29);
+	c->Nl=l;
+
+	if (c->num != 0)
+		{
+		p=c->data;
+		sw=c->num>>2;
+		sc=c->num&0x03;
+
+		if ((c->num+len) >= SHA_CBLOCK)
+			{
+			l= p[sw];
+			M_p_c2nl(data,l,sc);
+			p[sw++]=l;
+			for (; sw<SHA_LBLOCK; sw++)
+				{
+				M_c2nl(data,l);
+				p[sw]=l;
+				}
+			len-=(SHA_CBLOCK-c->num);
+
+			sha_block(c,p,64);
+			c->num=0;
+			/* drop through and do the rest */
+			}
+		else
+			{
+			c->num+=(int)len;
+			if ((sc+len) < 4) /* ugly, add char's to a word */
+				{
+				l= p[sw];
+				M_p_c2nl_p(data,l,sc,len);
+				p[sw]=l;
+				}
+			else
+				{
+				ew=(c->num>>2);
+				ec=(c->num&0x03);
+				l= p[sw];
+				M_p_c2nl(data,l,sc);
+				p[sw++]=l;
+				for (; sw < ew; sw++)
+					{ M_c2nl(data,l); p[sw]=l; }
+				if (ec)
+					{
+					M_c2nl_p(data,l,ec);
+					p[sw]=l;
+					}
+				}
+			return;
+			}
+		}
+	/* We can only do the following code for assember, the reason
+	 * being that the sha_block 'C' version changes the values
+	 * in the 'data' array.  The assember code avoids this and
+	 * copies it to a local array.  I should be able to do this for
+	 * the C version as well....
+	 */
+#if 1
+#if BYTE_ORDER == BIG_ENDIAN || defined(SHA_ASM)
+	if ((((unsigned int)data)%sizeof(u_int32_t)) == 0)
+		{
+		sw=len/SHA_CBLOCK;
+		if (sw)
+			{
+			sw*=SHA_CBLOCK;
+			sha_block(c,(u_int32_t *)data,sw);
+			data+=sw;
+			len-=sw;
+			}
+		}
+#endif
+#endif
+	/* we now can process the input data in blocks of SHA_CBLOCK
+	 * chars and save the leftovers to c->data. */
+	p=c->data;
+	while (len >= SHA_CBLOCK)
+		{
+#if BYTE_ORDER == BIG_ENDIAN || BYTE_ORDER == LITTLE_ENDIAN
+		if (p != (u_int32_t *)data)
+			memcpy(p,data,SHA_CBLOCK);
+		data+=SHA_CBLOCK;
+#  if BYTE_ORDER == LITTLE_ENDIAN
+#    ifndef SHA_ASM /* Will not happen */
+		for (sw=(SHA_LBLOCK/4); sw; sw--)
+			{
+			Endian_Reverse32(p[0]);
+			Endian_Reverse32(p[1]);
+			Endian_Reverse32(p[2]);
+			Endian_Reverse32(p[3]);
+			p+=4;
+			}
+		p=c->data;
+#    endif
+#  endif
+#else
+		for (sw=(SHA_BLOCK/4); sw; sw--)
+			{
+			M_c2nl(data,l); *(p++)=l;
+			M_c2nl(data,l); *(p++)=l;
+			M_c2nl(data,l); *(p++)=l;
+			M_c2nl(data,l); *(p++)=l;
+			}
+		p=c->data;
+#endif
+		sha_block(c,p,64);
+		len-=SHA_CBLOCK;
+		}
+	ec=(int)len;
+	c->num=ec;
+	ew=(ec>>2);
+	ec&=0x03;
+
+	for (sw=0; sw < ew; sw++)
+		{ M_c2nl(data,l); p[sw]=l; }
+	M_c2nl_p(data,l,ec);
+	p[sw]=l;
+	}
+
+void SHA_Transform(c,b)
+SHA_CTX *c;
+unsigned char *b;
+	{
+	u_int32_t p[16];
+#if BYTE_ORDER == LITTLE_ENDIAN
+	u_int32_t *q;
+	int i;
+#endif
+
+#if BYTE_ORDER == BIG_ENDIAN || BYTE_ORDER == LITTLE_ENDIAN
+	memcpy(p,b,64);
+#if BYTE_ORDER == LITTLE_ENDIAN
+	q=p;
+	for (i=(SHA_LBLOCK/4); i; i--)
+		{
+		Endian_Reverse32(q[0]);
+		Endian_Reverse32(q[1]);
+		Endian_Reverse32(q[2]);
+		Endian_Reverse32(q[3]);
+		q+=4;
+		}
+#endif
+#else
+	q=p;
+	for (i=(SHA_LBLOCK/4); i; i--)
+		{
+		u_int32_t l;
+		c2nl(b,l); *(q++)=l;
+		c2nl(b,l); *(q++)=l;
+		c2nl(b,l); *(q++)=l;
+		c2nl(b,l); *(q++)=l; 
+		} 
+#endif
+	sha_block(c,p,64);
+	}
+
+void sha_block(c, W, num)
+SHA_CTX *c;
+const u_int32_t *W;
+int num;
+	{
+	register u_int32_t A,B,C,D,E,T;
+	u_int32_t X[16];
+
+	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);
+	BODY_00_15( 1,T,A,B,C,D,E,W);
+	BODY_00_15( 2,E,T,A,B,C,D,W);
+	BODY_00_15( 3,D,E,T,A,B,C,W);
+	BODY_00_15( 4,C,D,E,T,A,B,W);
+	BODY_00_15( 5,B,C,D,E,T,A,W);
+	BODY_00_15( 6,A,B,C,D,E,T,W);
+	BODY_00_15( 7,T,A,B,C,D,E,W);
+	BODY_00_15( 8,E,T,A,B,C,D,W);
+	BODY_00_15( 9,D,E,T,A,B,C,W);
+	BODY_00_15(10,C,D,E,T,A,B,W);
+	BODY_00_15(11,B,C,D,E,T,A,W);
+	BODY_00_15(12,A,B,C,D,E,T,W);
+	BODY_00_15(13,T,A,B,C,D,E,W);
+	BODY_00_15(14,E,T,A,B,C,D,W);
+	BODY_00_15(15,D,E,T,A,B,C,W);
+	BODY_16_19(16,C,D,E,T,A,B,W,W,W,W);
+	BODY_16_19(17,B,C,D,E,T,A,W,W,W,W);
+	BODY_16_19(18,A,B,C,D,E,T,W,W,W,W);
+	BODY_16_19(19,T,A,B,C,D,E,W,W,W,X);
+
+	BODY_20_31(20,E,T,A,B,C,D,W,W,W,X);
+	BODY_20_31(21,D,E,T,A,B,C,W,W,W,X);
+	BODY_20_31(22,C,D,E,T,A,B,W,W,W,X);
+	BODY_20_31(23,B,C,D,E,T,A,W,W,W,X);
+	BODY_20_31(24,A,B,C,D,E,T,W,W,X,X);
+	BODY_20_31(25,T,A,B,C,D,E,W,W,X,X);
+	BODY_20_31(26,E,T,A,B,C,D,W,W,X,X);
+	BODY_20_31(27,D,E,T,A,B,C,W,W,X,X);
+	BODY_20_31(28,C,D,E,T,A,B,W,W,X,X);
+	BODY_20_31(29,B,C,D,E,T,A,W,W,X,X);
+	BODY_20_31(30,A,B,C,D,E,T,W,X,X,X);
+	BODY_20_31(31,T,A,B,C,D,E,W,X,X,X);
+	BODY_32_39(32,E,T,A,B,C,D,X);
+	BODY_32_39(33,D,E,T,A,B,C,X);
+	BODY_32_39(34,C,D,E,T,A,B,X);
+	BODY_32_39(35,B,C,D,E,T,A,X);
+	BODY_32_39(36,A,B,C,D,E,T,X);
+	BODY_32_39(37,T,A,B,C,D,E,X);
+	BODY_32_39(38,E,T,A,B,C,D,X);
+	BODY_32_39(39,D,E,T,A,B,C,X);
+
+	BODY_40_59(40,C,D,E,T,A,B,X);
+	BODY_40_59(41,B,C,D,E,T,A,X);
+	BODY_40_59(42,A,B,C,D,E,T,X);
+	BODY_40_59(43,T,A,B,C,D,E,X);
+	BODY_40_59(44,E,T,A,B,C,D,X);
+	BODY_40_59(45,D,E,T,A,B,C,X);
+	BODY_40_59(46,C,D,E,T,A,B,X);
+	BODY_40_59(47,B,C,D,E,T,A,X);
+	BODY_40_59(48,A,B,C,D,E,T,X);
+	BODY_40_59(49,T,A,B,C,D,E,X);
+	BODY_40_59(50,E,T,A,B,C,D,X);
+	BODY_40_59(51,D,E,T,A,B,C,X);
+	BODY_40_59(52,C,D,E,T,A,B,X);
+	BODY_40_59(53,B,C,D,E,T,A,X);
+	BODY_40_59(54,A,B,C,D,E,T,X);
+	BODY_40_59(55,T,A,B,C,D,E,X);
+	BODY_40_59(56,E,T,A,B,C,D,X);
+	BODY_40_59(57,D,E,T,A,B,C,X);
+	BODY_40_59(58,C,D,E,T,A,B,X);
+	BODY_40_59(59,B,C,D,E,T,A,X);
+
+	BODY_60_79(60,A,B,C,D,E,T,X);
+	BODY_60_79(61,T,A,B,C,D,E,X);
+	BODY_60_79(62,E,T,A,B,C,D,X);
+	BODY_60_79(63,D,E,T,A,B,C,X);
+	BODY_60_79(64,C,D,E,T,A,B,X);
+	BODY_60_79(65,B,C,D,E,T,A,X);
+	BODY_60_79(66,A,B,C,D,E,T,X);
+	BODY_60_79(67,T,A,B,C,D,E,X);
+	BODY_60_79(68,E,T,A,B,C,D,X);
+	BODY_60_79(69,D,E,T,A,B,C,X);
+	BODY_60_79(70,C,D,E,T,A,B,X);
+	BODY_60_79(71,B,C,D,E,T,A,X);
+	BODY_60_79(72,A,B,C,D,E,T,X);
+	BODY_60_79(73,T,A,B,C,D,E,X);
+	BODY_60_79(74,E,T,A,B,C,D,X);
+	BODY_60_79(75,D,E,T,A,B,C,X);
+	BODY_60_79(76,C,D,E,T,A,B,X);
+	BODY_60_79(77,B,C,D,E,T,A,X);
+	BODY_60_79(78,A,B,C,D,E,T,X);
+	BODY_60_79(79,T,A,B,C,D,E,X);
+	
+	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;
+
+	num-=64;
+	if (num <= 0) break;
+
+	A=c->h0;
+	B=c->h1;
+	C=c->h2;
+	D=c->h3;
+	E=c->h4;
+
+	W+=16;
+		}
+	}
+
+void SHA_Final(md, c)
+unsigned char *md;
+SHA_CTX *c;
+	{
+	register int i,j;
+	register u_int32_t l;
+	register u_int32_t *p;
+	static unsigned char end[4]={0x80,0x00,0x00,0x00};
+	unsigned char *cp=end;
+
+	/* c->num should definitly have room for at least one more byte. */
+	p=c->data;
+	j=c->num;
+	i=j>>2;
+#ifdef PURIFY
+	if ((j&0x03) == 0) p[i]=0;
+#endif
+	l=p[i];
+	M_p_c2nl(cp,l,j&0x03);
+	p[i]=l;
+	i++;
+	/* i is the next 'undefined word' */
+	if (c->num >= SHA_LAST_BLOCK)
+		{
+		for (; i<SHA_LBLOCK; i++)
+			p[i]=0;
+		sha_block(c,p,64);
+		i=0;
+		}
+	for (; i<(SHA_LBLOCK-2); i++)
+		p[i]=0;
+	p[SHA_LBLOCK-2]=c->Nh;
+	p[SHA_LBLOCK-1]=c->Nl;
+	sha_block(c,p,64);
+	cp=md;
+	l=c->h0; nl2c(l,cp);
+	l=c->h1; nl2c(l,cp);
+	l=c->h2; nl2c(l,cp);
+	l=c->h3; nl2c(l,cp);
+	l=c->h4; nl2c(l,cp);
+
+	/* clear stuff, sha_block may be leaving some stuff on the stack
+	 * but I'm not worried :-) */
+	c->num=0;
+/*	memset((char *)&c,0,sizeof(c));*/
+	}
+