Next step: compile jni sources correctly.

1 files changed, 0 insertions, 1166 deletions

diff --git a/openssl/crypto/bn/bn_mul.c b/openssl/crypto/bn/bn_mul.c
deleted file mode 100644
index 12e5be80..00000000
--- a/openssl/crypto/bn/bn_mul.c
+++ /dev/null
@@ -1,1166 +0,0 @@
-/* crypto/bn/bn_mul.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.]
- */
-
-#ifndef BN_DEBUG
-# undef NDEBUG /* avoid conflicting definitions */
-# define NDEBUG
-#endif
-
-#include <stdio.h>
-#include <assert.h>
-#include "cryptlib.h"
-#include "bn_lcl.h"
-
-#if defined(OPENSSL_NO_ASM) || !defined(OPENSSL_BN_ASM_PART_WORDS)
-/* Here follows specialised variants of bn_add_words() and
-   bn_sub_words().  They have the property performing operations on
-   arrays of different sizes.  The sizes of those arrays is expressed through
-   cl, which is the common length ( basicall, min(len(a),len(b)) ), and dl,
-   which is the delta between the two lengths, calculated as len(a)-len(b).
-   All lengths are the number of BN_ULONGs...  For the operations that require
-   a result array as parameter, it must have the length cl+abs(dl).
-   These functions should probably end up in bn_asm.c as soon as there are
-   assembler counterparts for the systems that use assembler files.  */
-
-BN_ULONG bn_sub_part_words(BN_ULONG *r,
-	const BN_ULONG *a, const BN_ULONG *b,
-	int cl, int dl)
-	{
-	BN_ULONG c, t;
-
-	assert(cl >= 0);
-	c = bn_sub_words(r, a, b, cl);
-
-	if (dl == 0)
-		return c;
-
-	r += cl;
-	a += cl;
-	b += cl;
-
-	if (dl < 0)
-		{
-#ifdef BN_COUNT
-		fprintf(stderr, "  bn_sub_part_words %d + %d (dl < 0, c = %d)\n", cl, dl, c);
-#endif
-		for (;;)
-			{
-			t = b[0];
-			r[0] = (0-t-c)&BN_MASK2;
-			if (t != 0) c=1;
-			if (++dl >= 0) break;
-
-			t = b[1];
-			r[1] = (0-t-c)&BN_MASK2;
-			if (t != 0) c=1;
-			if (++dl >= 0) break;
-
-			t = b[2];
-			r[2] = (0-t-c)&BN_MASK2;
-			if (t != 0) c=1;
-			if (++dl >= 0) break;
-
-			t = b[3];
-			r[3] = (0-t-c)&BN_MASK2;
-			if (t != 0) c=1;
-			if (++dl >= 0) break;
-
-			b += 4;
-			r += 4;
-			}
-		}
-	else
-		{
-		int save_dl = dl;
-#ifdef BN_COUNT
-		fprintf(stderr, "  bn_sub_part_words %d + %d (dl > 0, c = %d)\n", cl, dl, c);
-#endif
-		while(c)
-			{
-			t = a[0];
-			r[0] = (t-c)&BN_MASK2;
-			if (t != 0) c=0;
-			if (--dl <= 0) break;
-
-			t = a[1];
-			r[1] = (t-c)&BN_MASK2;
-			if (t != 0) c=0;
-			if (--dl <= 0) break;
-
-			t = a[2];
-			r[2] = (t-c)&BN_MASK2;
-			if (t != 0) c=0;
-			if (--dl <= 0) break;
-
-			t = a[3];
-			r[3] = (t-c)&BN_MASK2;
-			if (t != 0) c=0;
-			if (--dl <= 0) break;
-
-			save_dl = dl;
-			a += 4;
-			r += 4;
-			}
-		if (dl > 0)
-			{
-#ifdef BN_COUNT
-			fprintf(stderr, "  bn_sub_part_words %d + %d (dl > 0, c == 0)\n", cl, dl);
-#endif
-			if (save_dl > dl)
-				{
-				switch (save_dl - dl)
-					{
-				case 1:
-					r[1] = a[1];
-					if (--dl <= 0) break;
-				case 2:
-					r[2] = a[2];
-					if (--dl <= 0) break;
-				case 3:
-					r[3] = a[3];
-					if (--dl <= 0) break;
-					}
-				a += 4;
-				r += 4;
-				}
-			}
-		if (dl > 0)
-			{
-#ifdef BN_COUNT
-			fprintf(stderr, "  bn_sub_part_words %d + %d (dl > 0, copy)\n", cl, dl);
-#endif
-			for(;;)
-				{
-				r[0] = a[0];
-				if (--dl <= 0) break;
-				r[1] = a[1];
-				if (--dl <= 0) break;
-				r[2] = a[2];
-				if (--dl <= 0) break;
-				r[3] = a[3];
-				if (--dl <= 0) break;
-
-				a += 4;
-				r += 4;
-				}
-			}
-		}
-	return c;
-	}
-#endif
-
-BN_ULONG bn_add_part_words(BN_ULONG *r,
-	const BN_ULONG *a, const BN_ULONG *b,
-	int cl, int dl)
-	{
-	BN_ULONG c, l, t;
-
-	assert(cl >= 0);
-	c = bn_add_words(r, a, b, cl);
-
-	if (dl == 0)
-		return c;
-
-	r += cl;
-	a += cl;
-	b += cl;
-
-	if (dl < 0)
-		{
-		int save_dl = dl;
-#ifdef BN_COUNT
-		fprintf(stderr, "  bn_add_part_words %d + %d (dl < 0, c = %d)\n", cl, dl, c);
-#endif
-		while (c)
-			{
-			l=(c+b[0])&BN_MASK2;
-			c=(l < c);
-			r[0]=l;
-			if (++dl >= 0) break;
-
-			l=(c+b[1])&BN_MASK2;
-			c=(l < c);
-			r[1]=l;
-			if (++dl >= 0) break;
-
-			l=(c+b[2])&BN_MASK2;
-			c=(l < c);
-			r[2]=l;
-			if (++dl >= 0) break;
-
-			l=(c+b[3])&BN_MASK2;
-			c=(l < c);
-			r[3]=l;
-			if (++dl >= 0) break;
-
-			save_dl = dl;
-			b+=4;
-			r+=4;
-			}
-		if (dl < 0)
-			{
-#ifdef BN_COUNT
-			fprintf(stderr, "  bn_add_part_words %d + %d (dl < 0, c == 0)\n", cl, dl);
-#endif
-			if (save_dl < dl)
-				{
-				switch (dl - save_dl)
-					{
-				case 1:
-					r[1] = b[1];
-					if (++dl >= 0) break;
-				case 2:
-					r[2] = b[2];
-					if (++dl >= 0) break;
-				case 3:
-					r[3] = b[3];
-					if (++dl >= 0) break;
-					}
-				b += 4;
-				r += 4;
-				}
-			}
-		if (dl < 0)
-			{
-#ifdef BN_COUNT
-			fprintf(stderr, "  bn_add_part_words %d + %d (dl < 0, copy)\n", cl, dl);
-#endif
-			for(;;)
-				{
-				r[0] = b[0];
-				if (++dl >= 0) break;
-				r[1] = b[1];
-				if (++dl >= 0) break;
-				r[2] = b[2];
-				if (++dl >= 0) break;
-				r[3] = b[3];
-				if (++dl >= 0) break;
-
-				b += 4;
-				r += 4;
-				}
-			}
-		}
-	else
-		{
-		int save_dl = dl;
-#ifdef BN_COUNT
-		fprintf(stderr, "  bn_add_part_words %d + %d (dl > 0)\n", cl, dl);
-#endif
-		while (c)
-			{
-			t=(a[0]+c)&BN_MASK2;
-			c=(t < c);
-			r[0]=t;
-			if (--dl <= 0) break;
-
-			t=(a[1]+c)&BN_MASK2;
-			c=(t < c);
-			r[1]=t;
-			if (--dl <= 0) break;
-
-			t=(a[2]+c)&BN_MASK2;
-			c=(t < c);
-			r[2]=t;
-			if (--dl <= 0) break;
-
-			t=(a[3]+c)&BN_MASK2;
-			c=(t < c);
-			r[3]=t;
-			if (--dl <= 0) break;
-
-			save_dl = dl;
-			a+=4;
-			r+=4;
-			}
-#ifdef BN_COUNT
-		fprintf(stderr, "  bn_add_part_words %d + %d (dl > 0, c == 0)\n", cl, dl);
-#endif
-		if (dl > 0)
-			{
-			if (save_dl > dl)
-				{
-				switch (save_dl - dl)
-					{
-				case 1:
-					r[1] = a[1];
-					if (--dl <= 0) break;
-				case 2:
-					r[2] = a[2];
-					if (--dl <= 0) break;
-				case 3:
-					r[3] = a[3];
-					if (--dl <= 0) break;
-					}
-				a += 4;
-				r += 4;
-				}
-			}
-		if (dl > 0)
-			{
-#ifdef BN_COUNT
-			fprintf(stderr, "  bn_add_part_words %d + %d (dl > 0, copy)\n", cl, dl);
-#endif
-			for(;;)
-				{
-				r[0] = a[0];
-				if (--dl <= 0) break;
-				r[1] = a[1];
-				if (--dl <= 0) break;
-				r[2] = a[2];
-				if (--dl <= 0) break;
-				r[3] = a[3];
-				if (--dl <= 0) break;
-
-				a += 4;
-				r += 4;
-				}
-			}
-		}
-	return c;
-	}
-
-#ifdef BN_RECURSION
-/* Karatsuba recursive multiplication algorithm
- * (cf. Knuth, The Art of Computer Programming, Vol. 2) */
-
-/* r is 2*n2 words in size,
- * a and b are both n2 words in size.
- * n2 must be a power of 2.
- * We multiply and return the result.
- * t must be 2*n2 words in size
- * We calculate
- * a[0]*b[0]
- * a[0]*b[0]+a[1]*b[1]+(a[0]-a[1])*(b[1]-b[0])
- * a[1]*b[1]
- */
-/* dnX may not be positive, but n2/2+dnX has to be */
-void bn_mul_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n2,
-	int dna, int dnb, BN_ULONG *t)
-	{
-	int n=n2/2,c1,c2;
-	int tna=n+dna, tnb=n+dnb;
-	unsigned int neg,zero;
-	BN_ULONG ln,lo,*p;
-
-# ifdef BN_COUNT
-	fprintf(stderr," bn_mul_recursive %d%+d * %d%+d\n",n2,dna,n2,dnb);
-# endif
-# ifdef BN_MUL_COMBA
-#  if 0
-	if (n2 == 4)
-		{
-		bn_mul_comba4(r,a,b);
-		return;
-		}
-#  endif
-	/* Only call bn_mul_comba 8 if n2 == 8 and the
-	 * two arrays are complete [steve]
-	 */
-	if (n2 == 8 && dna == 0 && dnb == 0)
-		{
-		bn_mul_comba8(r,a,b);
-		return; 
-		}
-# endif /* BN_MUL_COMBA */
-	/* Else do normal multiply */
-	if (n2 < BN_MUL_RECURSIVE_SIZE_NORMAL)
-		{
-		bn_mul_normal(r,a,n2+dna,b,n2+dnb);
-		if ((dna + dnb) < 0)
-			memset(&r[2*n2 + dna + dnb], 0,
-				sizeof(BN_ULONG) * -(dna + dnb));
-		return;
-		}
-	/* r=(a[0]-a[1])*(b[1]-b[0]) */
-	c1=bn_cmp_part_words(a,&(a[n]),tna,n-tna);
-	c2=bn_cmp_part_words(&(b[n]),b,tnb,tnb-n);
-	zero=neg=0;
-	switch (c1*3+c2)
-		{
-	case -4:
-		bn_sub_part_words(t,      &(a[n]),a,      tna,tna-n); /* - */
-		bn_sub_part_words(&(t[n]),b,      &(b[n]),tnb,n-tnb); /* - */
-		break;
-	case -3:
-		zero=1;
-		break;
-	case -2:
-		bn_sub_part_words(t,      &(a[n]),a,      tna,tna-n); /* - */
-		bn_sub_part_words(&(t[n]),&(b[n]),b,      tnb,tnb-n); /* + */
-		neg=1;
-		break;
-	case -1:
-	case 0:
-	case 1:
-		zero=1;
-		break;
-	case 2:
-		bn_sub_part_words(t,      a,      &(a[n]),tna,n-tna); /* + */
-		bn_sub_part_words(&(t[n]),b,      &(b[n]),tnb,n-tnb); /* - */
-		neg=1;
-		break;
-	case 3:
-		zero=1;
-		break;
-	case 4:
-		bn_sub_part_words(t,      a,      &(a[n]),tna,n-tna);
-		bn_sub_part_words(&(t[n]),&(b[n]),b,      tnb,tnb-n);
-		break;
-		}
-
-# ifdef BN_MUL_COMBA
-	if (n == 4 && dna == 0 && dnb == 0) /* XXX: bn_mul_comba4 could take
-					       extra args to do this well */
-		{
-		if (!zero)
-			bn_mul_comba4(&(t[n2]),t,&(t[n]));
-		else
-			memset(&(t[n2]),0,8*sizeof(BN_ULONG));
-		
-		bn_mul_comba4(r,a,b);
-		bn_mul_comba4(&(r[n2]),&(a[n]),&(b[n]));
-		}
-	else if (n == 8 && dna == 0 && dnb == 0) /* XXX: bn_mul_comba8 could
-						    take extra args to do this
-						    well */
-		{
-		if (!zero)
-			bn_mul_comba8(&(t[n2]),t,&(t[n]));
-		else
-			memset(&(t[n2]),0,16*sizeof(BN_ULONG));
-		
-		bn_mul_comba8(r,a,b);
-		bn_mul_comba8(&(r[n2]),&(a[n]),&(b[n]));
-		}
-	else
-# endif /* BN_MUL_COMBA */
-		{
-		p= &(t[n2*2]);
-		if (!zero)
-			bn_mul_recursive(&(t[n2]),t,&(t[n]),n,0,0,p);
-		else
-			memset(&(t[n2]),0,n2*sizeof(BN_ULONG));
-		bn_mul_recursive(r,a,b,n,0,0,p);
-		bn_mul_recursive(&(r[n2]),&(a[n]),&(b[n]),n,dna,dnb,p);
-		}
-
-	/* t[32] holds (a[0]-a[1])*(b[1]-b[0]), c1 is the sign
-	 * r[10] holds (a[0]*b[0])
-	 * r[32] holds (b[1]*b[1])
-	 */
-
-	c1=(int)(bn_add_words(t,r,&(r[n2]),n2));
-
-	if (neg) /* if t[32] is negative */
-		{
-		c1-=(int)(bn_sub_words(&(t[n2]),t,&(t[n2]),n2));
-		}
-	else
-		{
-		/* Might have a carry */
-		c1+=(int)(bn_add_words(&(t[n2]),&(t[n2]),t,n2));
-		}
-
-	/* t[32] holds (a[0]-a[1])*(b[1]-b[0])+(a[0]*b[0])+(a[1]*b[1])
-	 * r[10] holds (a[0]*b[0])
-	 * r[32] holds (b[1]*b[1])
-	 * c1 holds the carry bits
-	 */
-	c1+=(int)(bn_add_words(&(r[n]),&(r[n]),&(t[n2]),n2));
-	if (c1)
-		{
-		p= &(r[n+n2]);
-		lo= *p;
-		ln=(lo+c1)&BN_MASK2;
-		*p=ln;
-
-		/* The overflow will stop before we over write
-		 * words we should not overwrite */
-		if (ln < (BN_ULONG)c1)
-			{
-			do	{
-				p++;
-				lo= *p;
-				ln=(lo+1)&BN_MASK2;
-				*p=ln;
-				} while (ln == 0);
-			}
-		}
-	}
-
-/* n+tn is the word length
- * t needs to be n*4 is size, as does r */
-/* tnX may not be negative but less than n */
-void bn_mul_part_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n,
-	     int tna, int tnb, BN_ULONG *t)
-	{
-	int i,j,n2=n*2;
-	int c1,c2,neg;
-	BN_ULONG ln,lo,*p;
-
-# ifdef BN_COUNT
-	fprintf(stderr," bn_mul_part_recursive (%d%+d) * (%d%+d)\n",
-		n, tna, n, tnb);
-# endif
-	if (n < 8)
-		{
-		bn_mul_normal(r,a,n+tna,b,n+tnb);
-		return;
-		}
-
-	/* r=(a[0]-a[1])*(b[1]-b[0]) */
-	c1=bn_cmp_part_words(a,&(a[n]),tna,n-tna);
-	c2=bn_cmp_part_words(&(b[n]),b,tnb,tnb-n);
-	neg=0;
-	switch (c1*3+c2)
-		{
-	case -4:
-		bn_sub_part_words(t,      &(a[n]),a,      tna,tna-n); /* - */
-		bn_sub_part_words(&(t[n]),b,      &(b[n]),tnb,n-tnb); /* - */
-		break;
-	case -3:
-		/* break; */
-	case -2:
-		bn_sub_part_words(t,      &(a[n]),a,      tna,tna-n); /* - */
-		bn_sub_part_words(&(t[n]),&(b[n]),b,      tnb,tnb-n); /* + */
-		neg=1;
-		break;
-	case -1:
-	case 0:
-	case 1:
-		/* break; */
-	case 2:
-		bn_sub_part_words(t,      a,      &(a[n]),tna,n-tna); /* + */
-		bn_sub_part_words(&(t[n]),b,      &(b[n]),tnb,n-tnb); /* - */
-		neg=1;
-		break;
-	case 3:
-		/* break; */
-	case 4:
-		bn_sub_part_words(t,      a,      &(a[n]),tna,n-tna);
-		bn_sub_part_words(&(t[n]),&(b[n]),b,      tnb,tnb-n);
-		break;
-		}
-		/* The zero case isn't yet implemented here. The speedup
-		   would probably be negligible. */
-# if 0
-	if (n == 4)
-		{
-		bn_mul_comba4(&(t[n2]),t,&(t[n]));
-		bn_mul_comba4(r,a,b);
-		bn_mul_normal(&(r[n2]),&(a[n]),tn,&(b[n]),tn);
-		memset(&(r[n2+tn*2]),0,sizeof(BN_ULONG)*(n2-tn*2));
-		}
-	else
-# endif
-	if (n == 8)
-		{
-		bn_mul_comba8(&(t[n2]),t,&(t[n]));
-		bn_mul_comba8(r,a,b);
-		bn_mul_normal(&(r[n2]),&(a[n]),tna,&(b[n]),tnb);
-		memset(&(r[n2+tna+tnb]),0,sizeof(BN_ULONG)*(n2-tna-tnb));
-		}
-	else
-		{
-		p= &(t[n2*2]);
-		bn_mul_recursive(&(t[n2]),t,&(t[n]),n,0,0,p);
-		bn_mul_recursive(r,a,b,n,0,0,p);
-		i=n/2;
-		/* If there is only a bottom half to the number,
-		 * just do it */
-		if (tna > tnb)
-			j = tna - i;
-		else
-			j = tnb - i;
-		if (j == 0)
-			{
-			bn_mul_recursive(&(r[n2]),&(a[n]),&(b[n]),
-				i,tna-i,tnb-i,p);
-			memset(&(r[n2+i*2]),0,sizeof(BN_ULONG)*(n2-i*2));
-			}
-		else if (j > 0) /* eg, n == 16, i == 8 and tn == 11 */
-				{
-				bn_mul_part_recursive(&(r[n2]),&(a[n]),&(b[n]),
-					i,tna-i,tnb-i,p);
-				memset(&(r[n2+tna+tnb]),0,
-					sizeof(BN_ULONG)*(n2-tna-tnb));
-				}
-		else /* (j < 0) eg, n == 16, i == 8 and tn == 5 */
-			{
-			memset(&(r[n2]),0,sizeof(BN_ULONG)*n2);
-			if (tna < BN_MUL_RECURSIVE_SIZE_NORMAL
-				&& tnb < BN_MUL_RECURSIVE_SIZE_NORMAL)
-				{
-				bn_mul_normal(&(r[n2]),&(a[n]),tna,&(b[n]),tnb);
-				}
-			else
-				{
-				for (;;)
-					{
-					i/=2;
-					/* these simplified conditions work
-					 * exclusively because difference
-					 * between tna and tnb is 1 or 0 */
-					if (i < tna || i < tnb)
-						{
-						bn_mul_part_recursive(&(r[n2]),
-							&(a[n]),&(b[n]),
-							i,tna-i,tnb-i,p);
-						break;
-						}
-					else if (i == tna || i == tnb)
-						{
-						bn_mul_recursive(&(r[n2]),
-							&(a[n]),&(b[n]),
-							i,tna-i,tnb-i,p);
-						break;
-						}
-					}
-				}
-			}
-		}
-
-	/* t[32] holds (a[0]-a[1])*(b[1]-b[0]), c1 is the sign
-	 * r[10] holds (a[0]*b[0])
-	 * r[32] holds (b[1]*b[1])
-	 */
-
-	c1=(int)(bn_add_words(t,r,&(r[n2]),n2));
-
-	if (neg) /* if t[32] is negative */
-		{
-		c1-=(int)(bn_sub_words(&(t[n2]),t,&(t[n2]),n2));
-		}
-	else
-		{
-		/* Might have a carry */
-		c1+=(int)(bn_add_words(&(t[n2]),&(t[n2]),t,n2));
-		}
-
-	/* t[32] holds (a[0]-a[1])*(b[1]-b[0])+(a[0]*b[0])+(a[1]*b[1])
-	 * r[10] holds (a[0]*b[0])
-	 * r[32] holds (b[1]*b[1])
-	 * c1 holds the carry bits
-	 */
-	c1+=(int)(bn_add_words(&(r[n]),&(r[n]),&(t[n2]),n2));
-	if (c1)
-		{
-		p= &(r[n+n2]);
-		lo= *p;
-		ln=(lo+c1)&BN_MASK2;
-		*p=ln;
-
-		/* The overflow will stop before we over write
-		 * words we should not overwrite */
-		if (ln < (BN_ULONG)c1)
-			{
-			do	{
-				p++;
-				lo= *p;
-				ln=(lo+1)&BN_MASK2;
-				*p=ln;
-				} while (ln == 0);
-			}
-		}
-	}
-
-/* a and b must be the same size, which is n2.
- * r needs to be n2 words and t needs to be n2*2
- */
-void bn_mul_low_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n2,
-	     BN_ULONG *t)
-	{
-	int n=n2/2;
-
-# ifdef BN_COUNT
-	fprintf(stderr," bn_mul_low_recursive %d * %d\n",n2,n2);
-# endif
-
-	bn_mul_recursive(r,a,b,n,0,0,&(t[0]));
-	if (n >= BN_MUL_LOW_RECURSIVE_SIZE_NORMAL)
-		{
-		bn_mul_low_recursive(&(t[0]),&(a[0]),&(b[n]),n,&(t[n2]));
-		bn_add_words(&(r[n]),&(r[n]),&(t[0]),n);
-		bn_mul_low_recursive(&(t[0]),&(a[n]),&(b[0]),n,&(t[n2]));
-		bn_add_words(&(r[n]),&(r[n]),&(t[0]),n);
-		}
-	else
-		{
-		bn_mul_low_normal(&(t[0]),&(a[0]),&(b[n]),n);
-		bn_mul_low_normal(&(t[n]),&(a[n]),&(b[0]),n);
-		bn_add_words(&(r[n]),&(r[n]),&(t[0]),n);
-		bn_add_words(&(r[n]),&(r[n]),&(t[n]),n);
-		}
-	}
-
-/* a and b must be the same size, which is n2.
- * r needs to be n2 words and t needs to be n2*2
- * l is the low words of the output.
- * t needs to be n2*3
- */
-void bn_mul_high(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, BN_ULONG *l, int n2,
-	     BN_ULONG *t)
-	{
-	int i,n;
-	int c1,c2;
-	int neg,oneg,zero;
-	BN_ULONG ll,lc,*lp,*mp;
-
-# ifdef BN_COUNT
-	fprintf(stderr," bn_mul_high %d * %d\n",n2,n2);
-# endif
-	n=n2/2;
-
-	/* Calculate (al-ah)*(bh-bl) */
-	neg=zero=0;
-	c1=bn_cmp_words(&(a[0]),&(a[n]),n);
-	c2=bn_cmp_words(&(b[n]),&(b[0]),n);
-	switch (c1*3+c2)
-		{
-	case -4:
-		bn_sub_words(&(r[0]),&(a[n]),&(a[0]),n);
-		bn_sub_words(&(r[n]),&(b[0]),&(b[n]),n);
-		break;
-	case -3:
-		zero=1;
-		break;
-	case -2:
-		bn_sub_words(&(r[0]),&(a[n]),&(a[0]),n);
-		bn_sub_words(&(r[n]),&(b[n]),&(b[0]),n);
-		neg=1;
-		break;
-	case -1:
-	case 0:
-	case 1:
-		zero=1;
-		break;
-	case 2:
-		bn_sub_words(&(r[0]),&(a[0]),&(a[n]),n);
-		bn_sub_words(&(r[n]),&(b[0]),&(b[n]),n);
-		neg=1;
-		break;
-	case 3:
-		zero=1;
-		break;
-	case 4:
-		bn_sub_words(&(r[0]),&(a[0]),&(a[n]),n);
-		bn_sub_words(&(r[n]),&(b[n]),&(b[0]),n);
-		break;
-		}
-		
-	oneg=neg;
-	/* t[10] = (a[0]-a[1])*(b[1]-b[0]) */
-	/* r[10] = (a[1]*b[1]) */
-# ifdef BN_MUL_COMBA
-	if (n == 8)
-		{
-		bn_mul_comba8(&(t[0]),&(r[0]),&(r[n]));
-		bn_mul_comba8(r,&(a[n]),&(b[n]));
-		}
-	else
-# endif
-		{
-		bn_mul_recursive(&(t[0]),&(r[0]),&(r[n]),n,0,0,&(t[n2]));
-		bn_mul_recursive(r,&(a[n]),&(b[n]),n,0,0,&(t[n2]));
-		}
-
-	/* s0 == low(al*bl)
-	 * s1 == low(ah*bh)+low((al-ah)*(bh-bl))+low(al*bl)+high(al*bl)
-	 * We know s0 and s1 so the only unknown is high(al*bl)
-	 * high(al*bl) == s1 - low(ah*bh+s0+(al-ah)*(bh-bl))
-	 * high(al*bl) == s1 - (r[0]+l[0]+t[0])
-	 */
-	if (l != NULL)
-		{
-		lp= &(t[n2+n]);
-		c1=(int)(bn_add_words(lp,&(r[0]),&(l[0]),n));
-		}
-	else
-		{
-		c1=0;
-		lp= &(r[0]);
-		}
-
-	if (neg)
-		neg=(int)(bn_sub_words(&(t[n2]),lp,&(t[0]),n));
-	else
-		{
-		bn_add_words(&(t[n2]),lp,&(t[0]),n);
-		neg=0;
-		}
-
-	if (l != NULL)
-		{
-		bn_sub_words(&(t[n2+n]),&(l[n]),&(t[n2]),n);
-		}
-	else
-		{
-		lp= &(t[n2+n]);
-		mp= &(t[n2]);
-		for (i=0; i<n; i++)
-			lp[i]=((~mp[i])+1)&BN_MASK2;
-		}
-
-	/* s[0] = low(al*bl)
-	 * t[3] = high(al*bl)
-	 * t[10] = (a[0]-a[1])*(b[1]-b[0]) neg is the sign
-	 * r[10] = (a[1]*b[1])
-	 */
-	/* R[10] = al*bl
-	 * R[21] = al*bl + ah*bh + (a[0]-a[1])*(b[1]-b[0])
-	 * R[32] = ah*bh
-	 */
-	/* R[1]=t[3]+l[0]+r[0](+-)t[0] (have carry/borrow)
-	 * R[2]=r[0]+t[3]+r[1](+-)t[1] (have carry/borrow)
-	 * R[3]=r[1]+(carry/borrow)
-	 */
-	if (l != NULL)
-		{
-		lp= &(t[n2]);
-		c1= (int)(bn_add_words(lp,&(t[n2+n]),&(l[0]),n));
-		}
-	else
-		{
-		lp= &(t[n2+n]);
-		c1=0;
-		}
-	c1+=(int)(bn_add_words(&(t[n2]),lp,  &(r[0]),n));
-	if (oneg)
-		c1-=(int)(bn_sub_words(&(t[n2]),&(t[n2]),&(t[0]),n));
-	else
-		c1+=(int)(bn_add_words(&(t[n2]),&(t[n2]),&(t[0]),n));
-
-	c2 =(int)(bn_add_words(&(r[0]),&(r[0]),&(t[n2+n]),n));
-	c2+=(int)(bn_add_words(&(r[0]),&(r[0]),&(r[n]),n));
-	if (oneg)
-		c2-=(int)(bn_sub_words(&(r[0]),&(r[0]),&(t[n]),n));
-	else
-		c2+=(int)(bn_add_words(&(r[0]),&(r[0]),&(t[n]),n));
-	
-	if (c1 != 0) /* Add starting at r[0], could be +ve or -ve */
-		{
-		i=0;
-		if (c1 > 0)
-			{
-			lc=c1;
-			do	{
-				ll=(r[i]+lc)&BN_MASK2;
-				r[i++]=ll;
-				lc=(lc > ll);
-				} while (lc);
-			}
-		else
-			{
-			lc= -c1;
-			do	{
-				ll=r[i];
-				r[i++]=(ll-lc)&BN_MASK2;
-				lc=(lc > ll);
-				} while (lc);
-			}
-		}
-	if (c2 != 0) /* Add starting at r[1] */
-		{
-		i=n;
-		if (c2 > 0)
-			{
-			lc=c2;
-			do	{
-				ll=(r[i]+lc)&BN_MASK2;
-				r[i++]=ll;
-				lc=(lc > ll);
-				} while (lc);
-			}
-		else
-			{
-			lc= -c2;
-			do	{
-				ll=r[i];
-				r[i++]=(ll-lc)&BN_MASK2;
-				lc=(lc > ll);
-				} while (lc);
-			}
-		}
-	}
-#endif /* BN_RECURSION */
-
-int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
-	{
-	int ret=0;
-	int top,al,bl;
-	BIGNUM *rr;
-#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)
-	int i;
-#endif
-#ifdef BN_RECURSION
-	BIGNUM *t=NULL;
-	int j=0,k;
-#endif
-
-#ifdef BN_COUNT
-	fprintf(stderr,"BN_mul %d * %d\n",a->top,b->top);
-#endif
-
-	bn_check_top(a);
-	bn_check_top(b);
-	bn_check_top(r);
-
-	al=a->top;
-	bl=b->top;
-
-	if ((al == 0) || (bl == 0))
-		{
-		BN_zero(r);
-		return(1);
-		}
-	top=al+bl;
-
-	BN_CTX_start(ctx);
-	if ((r == a) || (r == b))
-		{
-		if ((rr = BN_CTX_get(ctx)) == NULL) goto err;
-		}
-	else
-		rr = r;
-	rr->neg=a->neg^b->neg;
-
-#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)
-	i = al-bl;
-#endif
-#ifdef BN_MUL_COMBA
-	if (i == 0)
-		{
-# if 0
-		if (al == 4)
-			{
-			if (bn_wexpand(rr,8) == NULL) goto err;
-			rr->top=8;
-			bn_mul_comba4(rr->d,a->d,b->d);
-			goto end;
-			}
-# endif
-		if (al == 8)
-			{
-			if (bn_wexpand(rr,16) == NULL) goto err;
-			rr->top=16;
-			bn_mul_comba8(rr->d,a->d,b->d);
-			goto end;
-			}
-		}
-#endif /* BN_MUL_COMBA */
-#ifdef BN_RECURSION
-	if ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL))
-		{
-		if (i >= -1 && i <= 1)
-			{
-			/* Find out the power of two lower or equal
-			   to the longest of the two numbers */
-			if (i >= 0)
-				{
-				j = BN_num_bits_word((BN_ULONG)al);
-				}
-			if (i == -1)
-				{
-				j = BN_num_bits_word((BN_ULONG)bl);
-				}
-			j = 1<<(j-1);
-			assert(j <= al || j <= bl);
-			k = j+j;
-			t = BN_CTX_get(ctx);
-			if (t == NULL)
-				goto err;
-			if (al > j || bl > j)
-				{
-				if (bn_wexpand(t,k*4) == NULL) goto err;
-				if (bn_wexpand(rr,k*4) == NULL) goto err;
-				bn_mul_part_recursive(rr->d,a->d,b->d,
-					j,al-j,bl-j,t->d);
-				}
-			else	/* al <= j || bl <= j */
-				{
-				if (bn_wexpand(t,k*2) == NULL) goto err;
-				if (bn_wexpand(rr,k*2) == NULL) goto err;
-				bn_mul_recursive(rr->d,a->d,b->d,
-					j,al-j,bl-j,t->d);
-				}
-			rr->top=top;
-			goto end;
-			}
-#if 0
-		if (i == 1 && !BN_get_flags(b,BN_FLG_STATIC_DATA))
-			{
-			BIGNUM *tmp_bn = (BIGNUM *)b;
-			if (bn_wexpand(tmp_bn,al) == NULL) goto err;
-			tmp_bn->d[bl]=0;
-			bl++;
-			i--;
-			}
-		else if (i == -1 && !BN_get_flags(a,BN_FLG_STATIC_DATA))
-			{
-			BIGNUM *tmp_bn = (BIGNUM *)a;
-			if (bn_wexpand(tmp_bn,bl) == NULL) goto err;
-			tmp_bn->d[al]=0;
-			al++;
-			i++;
-			}
-		if (i == 0)
-			{
-			/* symmetric and > 4 */
-			/* 16 or larger */
-			j=BN_num_bits_word((BN_ULONG)al);
-			j=1<<(j-1);
-			k=j+j;
-			t = BN_CTX_get(ctx);
-			if (al == j) /* exact multiple */
-				{
-				if (bn_wexpand(t,k*2) == NULL) goto err;
-				if (bn_wexpand(rr,k*2) == NULL) goto err;
-				bn_mul_recursive(rr->d,a->d,b->d,al,t->d);
-				}
-			else
-				{
-				if (bn_wexpand(t,k*4) == NULL) goto err;
-				if (bn_wexpand(rr,k*4) == NULL) goto err;
-				bn_mul_part_recursive(rr->d,a->d,b->d,al-j,j,t->d);
-				}
-			rr->top=top;
-			goto end;
-			}
-#endif
-		}
-#endif /* BN_RECURSION */
-	if (bn_wexpand(rr,top) == NULL) goto err;
-	rr->top=top;
-	bn_mul_normal(rr->d,a->d,al,b->d,bl);
-
-#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)
-end:
-#endif
-	bn_correct_top(rr);
-	if (r != rr) BN_copy(r,rr);
-	ret=1;
-err:
-	bn_check_top(r);
-	BN_CTX_end(ctx);
-	return(ret);
-	}
-
-void bn_mul_normal(BN_ULONG *r, BN_ULONG *a, int na, BN_ULONG *b, int nb)
-	{
-	BN_ULONG *rr;
-
-#ifdef BN_COUNT
-	fprintf(stderr," bn_mul_normal %d * %d\n",na,nb);
-#endif
-
-	if (na < nb)
-		{
-		int itmp;
-		BN_ULONG *ltmp;
-
-		itmp=na; na=nb; nb=itmp;
-		ltmp=a;   a=b;   b=ltmp;
-
-		}
-	rr= &(r[na]);
-	if (nb <= 0)
-		{
-		(void)bn_mul_words(r,a,na,0);
-		return;
-		}
-	else
-		rr[0]=bn_mul_words(r,a,na,b[0]);
-
-	for (;;)
-		{
-		if (--nb <= 0) return;
-		rr[1]=bn_mul_add_words(&(r[1]),a,na,b[1]);
-		if (--nb <= 0) return;
-		rr[2]=bn_mul_add_words(&(r[2]),a,na,b[2]);
-		if (--nb <= 0) return;
-		rr[3]=bn_mul_add_words(&(r[3]),a,na,b[3]);
-		if (--nb <= 0) return;
-		rr[4]=bn_mul_add_words(&(r[4]),a,na,b[4]);
-		rr+=4;
-		r+=4;
-		b+=4;
-		}
-	}
-
-void bn_mul_low_normal(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n)
-	{
-#ifdef BN_COUNT
-	fprintf(stderr," bn_mul_low_normal %d * %d\n",n,n);
-#endif
-	bn_mul_words(r,a,n,b[0]);
-
-	for (;;)
-		{
-		if (--n <= 0) return;
-		bn_mul_add_words(&(r[1]),a,n,b[1]);
-		if (--n <= 0) return;
-		bn_mul_add_words(&(r[2]),a,n,b[2]);
-		if (--n <= 0) return;
-		bn_mul_add_words(&(r[3]),a,n,b[3]);
-		if (--n <= 0) return;
-		bn_mul_add_words(&(r[4]),a,n,b[4]);
-		r+=4;
-		b+=4;
-		}
-	}