[svn-upgrade] Integrating new upstream version, strongswan (4.3.2)

1 files changed, 306 insertions, 0 deletions

diff --git a/src/libstrongswan/plugins/blowfish/bf_enc.c b/src/libstrongswan/plugins/blowfish/bf_enc.c
new file mode 100644
index 000000000..c2f3ce2e8
--- /dev/null
+++ b/src/libstrongswan/plugins/blowfish/bf_enc.c
@@ -0,0 +1,306 @@
+/* crypto/bf/bf_enc.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.]
+ */
+
+#include "blowfish.h"
+#include "bf_locl.h"
+
+/* Blowfish as implemented from 'Blowfish: Springer-Verlag paper'
+ * (From LECTURE NOTES IN COMPUTER SCIENCE 809, FAST SOFTWARE ENCRYPTION,
+ * CAMBRIDGE SECURITY WORKSHOP, CAMBRIDGE, U.K., DECEMBER 9-11, 1993)
+ */
+
+#if (BF_ROUNDS != 16) && (BF_ROUNDS != 20)
+#error If you set BF_ROUNDS to some value other than 16 or 20, you will have \
+to modify the code.
+#endif
+
+void BF_encrypt(BF_LONG *data, const BF_KEY *key)
+{
+#ifndef BF_PTR2
+	const BF_LONG *p,*s;
+	BF_LONG l,r;
+
+	p=key->P;
+	s= &(key->S[0]);
+	l=data[0];
+	r=data[1];
+
+	l^=p[0];
+	BF_ENC(r,l,s,p[ 1]);
+	BF_ENC(l,r,s,p[ 2]);
+	BF_ENC(r,l,s,p[ 3]);
+	BF_ENC(l,r,s,p[ 4]);
+	BF_ENC(r,l,s,p[ 5]);
+	BF_ENC(l,r,s,p[ 6]);
+	BF_ENC(r,l,s,p[ 7]);
+	BF_ENC(l,r,s,p[ 8]);
+	BF_ENC(r,l,s,p[ 9]);
+	BF_ENC(l,r,s,p[10]);
+	BF_ENC(r,l,s,p[11]);
+	BF_ENC(l,r,s,p[12]);
+	BF_ENC(r,l,s,p[13]);
+	BF_ENC(l,r,s,p[14]);
+	BF_ENC(r,l,s,p[15]);
+	BF_ENC(l,r,s,p[16]);
+#if BF_ROUNDS == 20
+	BF_ENC(r,l,s,p[17]);
+	BF_ENC(l,r,s,p[18]);
+	BF_ENC(r,l,s,p[19]);
+	BF_ENC(l,r,s,p[20]);
+#endif
+	r^=p[BF_ROUNDS+1];
+
+	data[1]=l&0xffffffffL;
+	data[0]=r&0xffffffffL;
+#else
+	BF_LONG l,r,t,*k;
+
+	l=data[0];
+	r=data[1];
+	k=(BF_LONG*)key;
+
+	l^=k[0];
+	BF_ENC(r,l,k, 1);
+	BF_ENC(l,r,k, 2);
+	BF_ENC(r,l,k, 3);
+	BF_ENC(l,r,k, 4);
+	BF_ENC(r,l,k, 5);
+	BF_ENC(l,r,k, 6);
+	BF_ENC(r,l,k, 7);
+	BF_ENC(l,r,k, 8);
+	BF_ENC(r,l,k, 9);
+	BF_ENC(l,r,k,10);
+	BF_ENC(r,l,k,11);
+	BF_ENC(l,r,k,12);
+	BF_ENC(r,l,k,13);
+	BF_ENC(l,r,k,14);
+	BF_ENC(r,l,k,15);
+	BF_ENC(l,r,k,16);
+#if BF_ROUNDS == 20
+	BF_ENC(r,l,k,17);
+	BF_ENC(l,r,k,18);
+	BF_ENC(r,l,k,19);
+	BF_ENC(l,r,k,20);
+#endif
+	r^=k[BF_ROUNDS+1];
+
+	data[1]=l&0xffffffffL;
+	data[0]=r&0xffffffffL;
+#endif
+}
+
+#ifndef BF_DEFAULT_OPTIONS
+
+void BF_decrypt(BF_LONG *data, const BF_KEY *key)
+{
+#ifndef BF_PTR2
+	const BF_LONG *p,*s;
+	BF_LONG l,r;
+
+	p=key->P;
+	s= &(key->S[0]);
+	l=data[0];
+	r=data[1];
+
+	l^=p[BF_ROUNDS+1];
+#if BF_ROUNDS == 20
+	BF_ENC(r,l,s,p[20]);
+	BF_ENC(l,r,s,p[19]);
+	BF_ENC(r,l,s,p[18]);
+	BF_ENC(l,r,s,p[17]);
+#endif
+	BF_ENC(r,l,s,p[16]);
+	BF_ENC(l,r,s,p[15]);
+	BF_ENC(r,l,s,p[14]);
+	BF_ENC(l,r,s,p[13]);
+	BF_ENC(r,l,s,p[12]);
+	BF_ENC(l,r,s,p[11]);
+	BF_ENC(r,l,s,p[10]);
+	BF_ENC(l,r,s,p[ 9]);
+	BF_ENC(r,l,s,p[ 8]);
+	BF_ENC(l,r,s,p[ 7]);
+	BF_ENC(r,l,s,p[ 6]);
+	BF_ENC(l,r,s,p[ 5]);
+	BF_ENC(r,l,s,p[ 4]);
+	BF_ENC(l,r,s,p[ 3]);
+	BF_ENC(r,l,s,p[ 2]);
+	BF_ENC(l,r,s,p[ 1]);
+	r^=p[0];
+
+	data[1]=l&0xffffffffL;
+	data[0]=r&0xffffffffL;
+#else
+	BF_LONG l,r,t,*k;
+
+	l=data[0];
+	r=data[1];
+	k=(BF_LONG *)key;
+
+	l^=k[BF_ROUNDS+1];
+#if BF_ROUNDS == 20
+	BF_ENC(r,l,k,20);
+	BF_ENC(l,r,k,19);
+	BF_ENC(r,l,k,18);
+	BF_ENC(l,r,k,17);
+#endif
+	BF_ENC(r,l,k,16);
+	BF_ENC(l,r,k,15);
+	BF_ENC(r,l,k,14);
+	BF_ENC(l,r,k,13);
+	BF_ENC(r,l,k,12);
+	BF_ENC(l,r,k,11);
+	BF_ENC(r,l,k,10);
+	BF_ENC(l,r,k, 9);
+	BF_ENC(r,l,k, 8);
+	BF_ENC(l,r,k, 7);
+	BF_ENC(r,l,k, 6);
+	BF_ENC(l,r,k, 5);
+	BF_ENC(r,l,k, 4);
+	BF_ENC(l,r,k, 3);
+	BF_ENC(r,l,k, 2);
+	BF_ENC(l,r,k, 1);
+	r^=k[0];
+
+	data[1]=l&0xffffffffL;
+	data[0]=r&0xffffffffL;
+#endif
+}
+
+void BF_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
+					const BF_KEY *schedule, unsigned char *ivec, int encrypt)
+{
+	BF_LONG tin0,tin1;
+	BF_LONG tout0,tout1,xor0,xor1;
+	long l=length;
+	BF_LONG tin[2];
+
+	if (encrypt)
+	{
+		n2l(ivec,tout0);
+		n2l(ivec,tout1);
+		ivec-=8;
+		for (l-=8; l>=0; l-=8)
+		{
+			n2l(in,tin0);
+			n2l(in,tin1);
+			tin0^=tout0;
+			tin1^=tout1;
+			tin[0]=tin0;
+			tin[1]=tin1;
+			BF_encrypt(tin,schedule);
+			tout0=tin[0];
+			tout1=tin[1];
+			l2n(tout0,out);
+			l2n(tout1,out);
+		}
+		if (l != -8)
+		{
+			n2ln(in,tin0,tin1,l+8);
+			tin0^=tout0;
+			tin1^=tout1;
+			tin[0]=tin0;
+			tin[1]=tin1;
+			BF_encrypt(tin,schedule);
+			tout0=tin[0];
+			tout1=tin[1];
+			l2n(tout0,out);
+			l2n(tout1,out);
+		}
+		l2n(tout0,ivec);
+		l2n(tout1,ivec);
+	}
+	else
+	{
+		n2l(ivec,xor0);
+		n2l(ivec,xor1);
+		ivec-=8;
+		for (l-=8; l>=0; l-=8)
+		{
+			n2l(in,tin0);
+			n2l(in,tin1);
+			tin[0]=tin0;
+			tin[1]=tin1;
+			BF_decrypt(tin,schedule);
+			tout0=tin[0]^xor0;
+			tout1=tin[1]^xor1;
+			l2n(tout0,out);
+			l2n(tout1,out);
+			xor0=tin0;
+			xor1=tin1;
+		}
+		if (l != -8)
+		{
+			n2l(in,tin0);
+			n2l(in,tin1);
+			tin[0]=tin0;
+			tin[1]=tin1;
+			BF_decrypt(tin,schedule);
+			tout0=tin[0]^xor0;
+			tout1=tin[1]^xor1;
+			l2nn(tout0,tout1,out,l+8);
+			xor0=tin0;
+			xor1=tin1;
+		}
+		l2n(xor0,ivec);
+		l2n(xor1,ivec);
+	}
+	tin0=tin1=tout0=tout1=xor0=xor1=0;
+	tin[0]=tin[1]=0;
+}
+
+#endif