branch Attitude Adjustment

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@33625 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 382 insertions, 0 deletions

diff --git a/package/ead/src/tinysrp/bn_asm.c b/package/ead/src/tinysrp/bn_asm.c
new file mode 100644
index 000000000..b24c9af7c
--- /dev/null
+++ b/package/ead/src/tinysrp/bn_asm.c
@@ -0,0 +1,382 @@
+/* crypto/bn/bn_asm.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 "bn_lcl.h"
+
+#if defined(BN_LLONG) || defined(BN_UMULT_HIGH)
+
+BN_ULONG bn_mul_add_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w)
+	{
+	BN_ULONG c1=0;
+
+	assert(num >= 0);
+	if (num <= 0) return(c1);
+
+	while (num&~3)
+		{
+		mul_add(rp[0],ap[0],w,c1);
+		mul_add(rp[1],ap[1],w,c1);
+		mul_add(rp[2],ap[2],w,c1);
+		mul_add(rp[3],ap[3],w,c1);
+		ap+=4; rp+=4; num-=4;
+		}
+	if (num)
+		{
+		mul_add(rp[0],ap[0],w,c1); if (--num==0) return c1;
+		mul_add(rp[1],ap[1],w,c1); if (--num==0) return c1;
+		mul_add(rp[2],ap[2],w,c1); return c1;
+		}
+
+	return(c1);
+	}
+
+BN_ULONG bn_mul_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w)
+	{
+	BN_ULONG c1=0;
+
+	assert(num >= 0);
+	if (num <= 0) return(c1);
+
+	while (num&~3)
+		{
+		mul(rp[0],ap[0],w,c1);
+		mul(rp[1],ap[1],w,c1);
+		mul(rp[2],ap[2],w,c1);
+		mul(rp[3],ap[3],w,c1);
+		ap+=4; rp+=4; num-=4;
+		}
+	if (num)
+		{
+		mul(rp[0],ap[0],w,c1); if (--num == 0) return c1;
+		mul(rp[1],ap[1],w,c1); if (--num == 0) return c1;
+		mul(rp[2],ap[2],w,c1);
+		}
+	return(c1);
+	}
+
+void bn_sqr_words(BN_ULONG *r, BN_ULONG *a, int n)
+	{
+	assert(n >= 0);
+	if (n <= 0) return;
+	while (n&~3)
+		{
+		sqr(r[0],r[1],a[0]);
+		sqr(r[2],r[3],a[1]);
+		sqr(r[4],r[5],a[2]);
+		sqr(r[6],r[7],a[3]);
+		a+=4; r+=8; n-=4;
+		}
+	if (n)
+		{
+		sqr(r[0],r[1],a[0]); if (--n == 0) return;
+		sqr(r[2],r[3],a[1]); if (--n == 0) return;
+		sqr(r[4],r[5],a[2]);
+		}
+	}
+
+#else /* !(defined(BN_LLONG) || defined(BN_UMULT_HIGH)) */
+
+BN_ULONG bn_mul_add_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w)
+	{
+	BN_ULONG c=0;
+	BN_ULONG bl,bh;
+
+	assert(num >= 0);
+	if (num <= 0) return((BN_ULONG)0);
+
+	bl=LBITS(w);
+	bh=HBITS(w);
+
+	for (;;)
+		{
+		mul_add(rp[0],ap[0],bl,bh,c);
+		if (--num == 0) break;
+		mul_add(rp[1],ap[1],bl,bh,c);
+		if (--num == 0) break;
+		mul_add(rp[2],ap[2],bl,bh,c);
+		if (--num == 0) break;
+		mul_add(rp[3],ap[3],bl,bh,c);
+		if (--num == 0) break;
+		ap+=4;
+		rp+=4;
+		}
+	return(c);
+	}
+
+BN_ULONG bn_mul_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w)
+	{
+	BN_ULONG carry=0;
+	BN_ULONG bl,bh;
+
+	assert(num >= 0);
+	if (num <= 0) return((BN_ULONG)0);
+
+	bl=LBITS(w);
+	bh=HBITS(w);
+
+	for (;;)
+		{
+		mul(rp[0],ap[0],bl,bh,carry);
+		if (--num == 0) break;
+		mul(rp[1],ap[1],bl,bh,carry);
+		if (--num == 0) break;
+		mul(rp[2],ap[2],bl,bh,carry);
+		if (--num == 0) break;
+		mul(rp[3],ap[3],bl,bh,carry);
+		if (--num == 0) break;
+		ap+=4;
+		rp+=4;
+		}
+	return(carry);
+	}
+
+void bn_sqr_words(BN_ULONG *r, BN_ULONG *a, int n)
+	{
+	assert(n >= 0);
+	if (n <= 0) return;
+	for (;;)
+		{
+		sqr64(r[0],r[1],a[0]);
+		if (--n == 0) break;
+
+		sqr64(r[2],r[3],a[1]);
+		if (--n == 0) break;
+
+		sqr64(r[4],r[5],a[2]);
+		if (--n == 0) break;
+
+		sqr64(r[6],r[7],a[3]);
+		if (--n == 0) break;
+
+		a+=4;
+		r+=8;
+		}
+	}
+
+#endif /* !(defined(BN_LLONG) || defined(BN_UMULT_HIGH)) */
+
+#if defined(BN_LLONG) && defined(BN_DIV2W)
+
+BN_ULONG bn_div_words(BN_ULONG h, BN_ULONG l, BN_ULONG d)
+	{
+	return((BN_ULONG)(((((BN_ULLONG)h)<<BN_BITS2)|l)/(BN_ULLONG)d));
+	}
+
+#else
+
+/* Divide h,l by d and return the result. */
+/* I need to test this some more :-( */
+BN_ULONG bn_div_words(BN_ULONG h, BN_ULONG l, BN_ULONG d)
+	{
+	BN_ULONG dh,dl,q,ret=0,th,tl,t;
+	int i,count=2;
+
+	if (d == 0) return(BN_MASK2);
+
+	i=BN_num_bits_word(d);
+	assert((i == BN_BITS2) || (h > (BN_ULONG)1<<i));
+
+	i=BN_BITS2-i;
+	if (h >= d) h-=d;
+
+	if (i)
+		{
+		d<<=i;
+		h=(h<<i)|(l>>(BN_BITS2-i));
+		l<<=i;
+		}
+	dh=(d&BN_MASK2h)>>BN_BITS4;
+	dl=(d&BN_MASK2l);
+	for (;;)
+		{
+		if ((h>>BN_BITS4) == dh)
+			q=BN_MASK2l;
+		else
+			q=h/dh;
+
+		th=q*dh;
+		tl=dl*q;
+		for (;;)
+			{
+			t=h-th;
+			if ((t&BN_MASK2h) ||
+				((tl) <= (
+					(t<<BN_BITS4)|
+					((l&BN_MASK2h)>>BN_BITS4))))
+				break;
+			q--;
+			th-=dh;
+			tl-=dl;
+			}
+		t=(tl>>BN_BITS4);
+		tl=(tl<<BN_BITS4)&BN_MASK2h;
+		th+=t;
+
+		if (l < tl) th++;
+		l-=tl;
+		if (h < th)
+			{
+			h+=d;
+			q--;
+			}
+		h-=th;
+
+		if (--count == 0) break;
+
+		ret=q<<BN_BITS4;
+		h=((h<<BN_BITS4)|(l>>BN_BITS4))&BN_MASK2;
+		l=(l&BN_MASK2l)<<BN_BITS4;
+		}
+	ret|=q;
+	return(ret);
+	}
+#endif /* !defined(BN_LLONG) && defined(BN_DIV2W) */
+
+#ifdef BN_LLONG
+BN_ULONG bn_add_words(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n)
+	{
+	BN_ULLONG ll=0;
+
+	assert(n >= 0);
+	if (n <= 0) return((BN_ULONG)0);
+
+	for (;;)
+		{
+		ll+=(BN_ULLONG)a[0]+b[0];
+		r[0]=(BN_ULONG)ll&BN_MASK2;
+		ll>>=BN_BITS2;
+		if (--n <= 0) break;
+
+		ll+=(BN_ULLONG)a[1]+b[1];
+		r[1]=(BN_ULONG)ll&BN_MASK2;
+		ll>>=BN_BITS2;
+		if (--n <= 0) break;
+
+		ll+=(BN_ULLONG)a[2]+b[2];
+		r[2]=(BN_ULONG)ll&BN_MASK2;
+		ll>>=BN_BITS2;
+		if (--n <= 0) break;
+
+		ll+=(BN_ULLONG)a[3]+b[3];
+		r[3]=(BN_ULONG)ll&BN_MASK2;
+		ll>>=BN_BITS2;
+		if (--n <= 0) break;
+
+		a+=4;
+		b+=4;
+		r+=4;
+		}
+	return((BN_ULONG)ll);
+	}
+#else /* !BN_LLONG */
+BN_ULONG bn_add_words(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n)
+	{
+	BN_ULONG c,l,t;
+
+	assert(n >= 0);
+	if (n <= 0) return((BN_ULONG)0);
+
+	c=0;
+	for (;;)
+		{
+		t=a[0];
+		t=(t+c)&BN_MASK2;
+		c=(t < c);
+		l=(t+b[0])&BN_MASK2;
+		c+=(l < t);
+		r[0]=l;
+		if (--n <= 0) break;
+
+		t=a[1];
+		t=(t+c)&BN_MASK2;
+		c=(t < c);
+		l=(t+b[1])&BN_MASK2;
+		c+=(l < t);
+		r[1]=l;
+		if (--n <= 0) break;
+
+		t=a[2];
+		t=(t+c)&BN_MASK2;
+		c=(t < c);
+		l=(t+b[2])&BN_MASK2;
+		c+=(l < t);
+		r[2]=l;
+		if (--n <= 0) break;
+
+		t=a[3];
+		t=(t+c)&BN_MASK2;
+		c=(t < c);
+		l=(t+b[3])&BN_MASK2;
+		c+=(l < t);
+		r[3]=l;
+		if (--n <= 0) break;
+
+		a+=4;
+		b+=4;
+		r+=4;
+		}
+	return((BN_ULONG)c);
+	}
+#endif /* !BN_LLONG */