Import of old SSLeay release: SSLeay 0.8.1b

11 files changed, 1439 insertions, 0 deletions

diff --git a/crypto/idea/Makefile.ssl b/crypto/idea/Makefile.ssl
new file mode 100644
index 0000000000..41b42ce03b
--- /dev/null
+++ b/crypto/idea/Makefile.ssl
@@ -0,0 +1,80 @@
+#
+# SSLeay/crypto/idea/Makefile
+#
+
+DIR=	idea
+TOP=	../..
+CC=	cc
+INCLUDES=
+CFLAG=-g
+INSTALLTOP=/usr/local/ssl
+MAKE=		make -f Makefile.ssl
+MAKEDEPEND=	makedepend -f Makefile.ssl
+MAKEFILE=	Makefile.ssl
+AR=		ar r
+
+CFLAGS= $(INCLUDES) $(CFLAG)
+
+GENERAL=Makefile
+TEST=ideatest.c
+APPS=
+
+LIB=$(TOP)/libcrypto.a
+LIBSRC=i_cbc.c i_cfb64.c i_ofb64.c i_ecb.c i_skey.c
+LIBOBJ=i_cbc.o i_cfb64.o i_ofb64.o i_ecb.o i_skey.o
+
+SRC= $(LIBSRC)
+
+EXHEADER= idea.h
+HEADER=	idea_lcl.h $(EXHEADER)
+
+ALL=    $(GENERAL) $(SRC) $(HEADER)
+
+top:
+	(cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all)
+
+all:	lib
+
+lib:	$(LIBOBJ)
+	$(AR) $(LIB) $(LIBOBJ)
+	sh $(TOP)/util/ranlib.sh $(LIB)
+	@touch lib
+
+files:
+	perl $(TOP)/util/files.pl Makefile.ssl >> $(TOP)/MINFO
+
+links:
+	/bin/rm -f Makefile
+	$(TOP)/util/point.sh Makefile.ssl Makefile ;
+	$(TOP)/util/mklink.sh ../../include $(EXHEADER)
+	$(TOP)/util/mklink.sh ../../test $(TEST)
+	$(TOP)/util/mklink.sh ../../apps $(APPS)
+
+install:
+	@for i in $(EXHEADER) ; \
+	do  \
+	(cp $$i $(INSTALLTOP)/include/$$i; \
+	chmod 644 $(INSTALLTOP)/include/$$i ); \
+	done;
+
+tags:
+	ctags $(SRC)
+
+tests:
+
+lint:
+	lint -DLINT $(INCLUDES) $(SRC)>fluff
+
+depend:
+	$(MAKEDEPEND) $(INCLUDES) $(PROGS) $(LIBSRC)
+
+dclean:
+	perl -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new
+	mv -f Makefile.new $(MAKEFILE)
+
+clean:
+	/bin/rm -f *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff
+
+errors:
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
diff --git a/crypto/idea/i_cbc.c b/crypto/idea/i_cbc.c
new file mode 100644
index 0000000000..d17e9f29e0
--- /dev/null
+++ b/crypto/idea/i_cbc.c
@@ -0,0 +1,140 @@
+/* crypto/idea/i_cbc.c */
+/* Copyright (C) 1995-1997 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 "idea.h"
+#include "idea_lcl.h"
+
+void idea_cbc_encrypt(in, out, length, ks, iv, encrypt)
+unsigned char *in;
+unsigned char *out;
+long length;
+IDEA_KEY_SCHEDULE *ks;
+unsigned char *iv;
+int encrypt;
+	{
+	register unsigned long tin0,tin1;
+	register unsigned long tout0,tout1,xor0,xor1;
+	register long l=length;
+	unsigned long tin[2];
+
+	if (encrypt)
+		{
+		n2l(iv,tout0);
+		n2l(iv,tout1);
+		iv-=8;
+		for (l-=8; l>=0; l-=8)
+			{
+			n2l(in,tin0);
+			n2l(in,tin1);
+			tin0^=tout0;
+			tin1^=tout1;
+			tin[0]=tin0;
+			tin[1]=tin1;
+			idea_encrypt(tin,ks);
+			tout0=tin[0]; l2n(tout0,out);
+			tout1=tin[1]; l2n(tout1,out);
+			}
+		if (l != -8)
+			{
+			n2ln(in,tin0,tin1,l+8);
+			tin0^=tout0;
+			tin1^=tout1;
+			tin[0]=tin0;
+			tin[1]=tin1;
+			idea_encrypt(tin,ks);
+			tout0=tin[0]; l2n(tout0,out);
+			tout1=tin[1]; l2n(tout1,out);
+			}
+		l2n(tout0,iv);
+		l2n(tout1,iv);
+		}
+	else
+		{
+		n2l(iv,xor0);
+		n2l(iv,xor1);
+		iv-=8;
+		for (l-=8; l>=0; l-=8)
+			{
+			n2l(in,tin0); tin[0]=tin0;
+			n2l(in,tin1); tin[1]=tin1;
+			idea_encrypt(tin,ks);
+			tout0=tin[0]^xor0;
+			tout1=tin[1]^xor1;
+			l2n(tout0,out);
+			l2n(tout1,out);
+			xor0=tin0;
+			xor1=tin1;
+			}
+		if (l != -8)
+			{
+			n2l(in,tin0); tin[0]=tin0;
+			n2l(in,tin1); tin[1]=tin1;
+			idea_encrypt(tin,ks);
+			tout0=tin[0]^xor0;
+			tout1=tin[1]^xor1;
+			l2nn(tout0,tout1,out,l+8);
+			xor0=tin0;
+			xor1=tin1;
+			}
+		l2n(xor0,iv);
+		l2n(xor1,iv);
+		}
+	tin0=tin1=tout0=tout1=xor0=xor1=0;
+	tin[0]=tin[1]=0;
+	}
+
diff --git a/crypto/idea/i_cfb64.c b/crypto/idea/i_cfb64.c
new file mode 100644
index 0000000000..366f2d19cf
--- /dev/null
+++ b/crypto/idea/i_cfb64.c
@@ -0,0 +1,127 @@
+/* crypto/idea/i_cfb64.c */
+/* Copyright (C) 1995-1997 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 "idea.h"
+#include "idea_lcl.h"
+
+/* The input and output encrypted as though 64bit cfb mode is being
+ * used.  The extra state information to record how much of the
+ * 64bit block we have used is contained in *num;
+ */
+
+void idea_cfb64_encrypt(in, out, length, schedule, ivec, num, encrypt)
+unsigned char *in;
+unsigned char *out;
+long length;
+IDEA_KEY_SCHEDULE *schedule;
+unsigned char *ivec;
+int *num;
+int encrypt;
+	{
+	register unsigned long v0,v1,t;
+	register int n= *num;
+	register long l=length;
+	unsigned long ti[2];
+	unsigned char *iv,c,cc;
+
+	iv=(unsigned char *)ivec;
+	if (encrypt)
+		{
+		while (l--)
+			{
+			if (n == 0)
+				{
+				n2l(iv,v0); ti[0]=v0;
+				n2l(iv,v1); ti[1]=v1;
+				idea_encrypt((unsigned long *)ti,schedule);
+				iv=(unsigned char *)ivec;
+				t=ti[0]; l2n(t,iv);
+				t=ti[1]; l2n(t,iv);
+				iv=(unsigned char *)ivec;
+				}
+			c= *(in++)^iv[n];
+			*(out++)=c;
+			iv[n]=c;
+			n=(n+1)&0x07;
+			}
+		}
+	else
+		{
+		while (l--)
+			{
+			if (n == 0)
+				{
+				n2l(iv,v0); ti[0]=v0;
+				n2l(iv,v1); ti[1]=v1;
+				idea_encrypt((unsigned long *)ti,schedule);
+				iv=(unsigned char *)ivec;
+				t=ti[0]; l2n(t,iv);
+				t=ti[1]; l2n(t,iv);
+				iv=(unsigned char *)ivec;
+				}
+			cc= *(in++);
+			c=iv[n];
+			iv[n]=cc;
+			*(out++)=c^cc;
+			n=(n+1)&0x07;
+			}
+		}
+	v0=v1=ti[0]=ti[1]=t=c=cc=0;
+	*num=n;
+	}
+
diff --git a/crypto/idea/i_ecb.c b/crypto/idea/i_ecb.c
new file mode 100644
index 0000000000..b3b694b0c6
--- /dev/null
+++ b/crypto/idea/i_ecb.c
@@ -0,0 +1,138 @@
+/* crypto/idea/i_ecb.c */
+/* Copyright (C) 1995-1997 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 "idea.h"
+#include "idea_lcl.h"
+
+char *IDEA_version="IDEA part of SSLeay 0.8.1b 29-Jun-1998";
+
+char *idea_options()
+	{
+	if (sizeof(short) != sizeof(IDEA_INT))
+		return("idea(int)");
+	else
+		return("idea(short)");
+	}
+
+void idea_ecb_encrypt(in, out, ks)
+unsigned char *in;
+unsigned char *out;
+IDEA_KEY_SCHEDULE *ks;
+	{
+	unsigned long l0,l1,d[2];
+
+	n2l(in,l0); d[0]=l0;
+	n2l(in,l1); d[1]=l1;
+	idea_encrypt(d,ks);
+	l0=d[0]; l2n(l0,out);
+	l1=d[1]; l2n(l1,out);
+	l0=l1=d[0]=d[1]=0;
+	}
+
+void idea_encrypt(d,key)
+unsigned long *d;
+IDEA_KEY_SCHEDULE *key;
+	{
+	int i;
+	register IDEA_INT *p;
+	register unsigned long x1,x2,x3,x4,t0,t1,ul;
+
+	x2=d[0];
+	x1=(x2>>16);
+	x4=d[1];
+	x3=(x4>>16);
+
+	p= &(key->data[0][0]);
+	for (i=0; i<8; i++)
+		{
+		x1&=0xffff;
+		idea_mul(x1,x1,*p,ul); p++;
+
+		x2+= *(p++);
+		x3+= *(p++);
+
+		x4&=0xffff;
+		idea_mul(x4,x4,*p,ul); p++;
+
+		t0=(x1^x3)&0xffff;
+		idea_mul(t0,t0,*p,ul); p++;
+
+		t1=(t0+(x2^x4))&0xffff;
+		idea_mul(t1,t1,*p,ul); p++;
+
+		t0+=t1;
+
+		x1^=t1;
+		x4^=t0;
+		ul=x2^t0;		/* do the swap to x3 */
+		x2=x3^t1;
+		x3=ul;
+		}
+
+	x1&=0xffff;
+	idea_mul(x1,x1,*p,ul); p++;
+
+	t0= x3+ *(p++);
+	t1= x2+ *(p++);
+
+	x4&=0xffff;
+	idea_mul(x4,x4,*p,ul);
+
+	d[0]=(t0&0xffff)|((x1&0xffff)<<16);
+	d[1]=(x4&0xffff)|((t1&0xffff)<<16);
+	}
diff --git a/crypto/idea/i_ofb64.c b/crypto/idea/i_ofb64.c
new file mode 100644
index 0000000000..43a9584a37
--- /dev/null
+++ b/crypto/idea/i_ofb64.c
@@ -0,0 +1,115 @@
+/* crypto/idea/i_ofb64.c */
+/* Copyright (C) 1995-1997 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 "idea.h"
+#include "idea_lcl.h"
+
+/* The input and output encrypted as though 64bit ofb mode is being
+ * used.  The extra state information to record how much of the
+ * 64bit block we have used is contained in *num;
+ */
+void idea_ofb64_encrypt(in, out, length, schedule, ivec, num)
+unsigned char *in;
+unsigned char *out;
+long length;
+IDEA_KEY_SCHEDULE *schedule;
+unsigned char *ivec;
+int *num;
+	{
+	register unsigned long v0,v1,t;
+	register int n= *num;
+	register long l=length;
+	unsigned char d[8];
+	register char *dp;
+	unsigned long ti[2];
+	unsigned char *iv;
+	int save=0;
+
+	iv=(unsigned char *)ivec;
+	n2l(iv,v0);
+	n2l(iv,v1);
+	ti[0]=v0;
+	ti[1]=v1;
+	dp=(char *)d;
+	l2n(v0,dp);
+	l2n(v1,dp);
+	while (l--)
+		{
+		if (n == 0)
+			{
+			idea_encrypt((unsigned long *)ti,schedule);
+			dp=(char *)d;
+			t=ti[0]; l2n(t,dp);
+			t=ti[1]; l2n(t,dp);
+			save++;
+			}
+		*(out++)= *(in++)^d[n];
+		n=(n+1)&0x07;
+		}
+	if (save)
+		{
+		v0=ti[0];
+		v1=ti[1];
+		iv=(unsigned char *)ivec;
+		l2n(v0,iv);
+		l2n(v1,iv);
+		}
+	t=v0=v1=ti[0]=ti[1]=0;
+	*num=n;
+	}
+
diff --git a/crypto/idea/i_skey.c b/crypto/idea/i_skey.c
new file mode 100644
index 0000000000..fcbdb691e2
--- /dev/null
+++ b/crypto/idea/i_skey.c
@@ -0,0 +1,166 @@
+/* crypto/idea/i_skey.c */
+/* Copyright (C) 1995-1997 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 "idea.h"
+#include "idea_lcl.h"
+
+#ifndef NOPROTO
+static IDEA_INT inverse(unsigned int xin);
+#else
+static IDEA_INT inverse();
+#endif
+
+void idea_set_encrypt_key(key, ks)
+unsigned char *key;
+IDEA_KEY_SCHEDULE *ks;
+	{
+	int i;
+	register IDEA_INT *kt,*kf,r0,r1,r2;
+
+	kt= &(ks->data[0][0]);
+	n2s(key,kt[0]); n2s(key,kt[1]); n2s(key,kt[2]); n2s(key,kt[3]);
+	n2s(key,kt[4]); n2s(key,kt[5]); n2s(key,kt[6]); n2s(key,kt[7]);
+
+	kf=kt;
+	kt+=8;
+	for (i=0; i<6; i++)
+		{
+		r2= kf[1];
+		r1= kf[2];
+		*(kt++)= ((r2<<9) | (r1>>7))&0xffff;
+		r0= kf[3];
+		*(kt++)= ((r1<<9) | (r0>>7))&0xffff;
+		r1= kf[4];
+		*(kt++)= ((r0<<9) | (r1>>7))&0xffff;
+		r0= kf[5];
+		*(kt++)= ((r1<<9) | (r0>>7))&0xffff;
+		r1= kf[6];
+		*(kt++)= ((r0<<9) | (r1>>7))&0xffff;
+		r0= kf[7];
+		*(kt++)= ((r1<<9) | (r0>>7))&0xffff;
+		r1= kf[0];
+		if (i >= 5) break;
+		*(kt++)= ((r0<<9) | (r1>>7))&0xffff;
+		*(kt++)= ((r1<<9) | (r2>>7))&0xffff;
+		kf+=8;
+		}
+	}
+
+void idea_set_decrypt_key(ek, dk)
+IDEA_KEY_SCHEDULE *ek;
+IDEA_KEY_SCHEDULE *dk;
+	{
+	int r;
+	register IDEA_INT *fp,*tp,t;
+
+	tp= &(dk->data[0][0]);
+	fp= &(ek->data[8][0]);
+	for (r=0; r<9; r++)
+		{
+		*(tp++)=inverse(fp[0]);
+		*(tp++)=((int)(0x10000L-fp[2])&0xffff);
+		*(tp++)=((int)(0x10000L-fp[1])&0xffff);
+		*(tp++)=inverse(fp[3]);
+		if (r == 8) break;
+		fp-=6;
+		*(tp++)=fp[4];
+		*(tp++)=fp[5];
+		}
+
+	tp= &(dk->data[0][0]);
+	t=tp[1];
+	tp[1]=tp[2];
+	tp[2]=t;
+
+	t=tp[49];
+	tp[49]=tp[50];
+	tp[50]=t;
+	}
+
+/* taken directly from the 'paper' I'll have a look at it later */
+static IDEA_INT inverse(xin)
+unsigned int xin;
+	{
+	long n1,n2,q,r,b1,b2,t;
+
+	if (xin == 0)
+		b2=0;
+	else
+		{
+		n1=0x10001;
+		n2=xin;
+		b2=1;
+		b1=0;
+
+		do	{
+			r=(n1%n2);
+			q=(n1-r)/n2;
+			if (r == 0)
+				{ if (b2 < 0) b2=0x10001+b2; }
+			else
+				{
+				n1=n2;
+				n2=r;
+				t=b2;
+				b2=b1-q*b2;
+				b1=t;
+				}
+			} while (r != 0);
+		}
+	return((IDEA_INT)b2);
+	}
diff --git a/crypto/idea/idea.h b/crypto/idea/idea.h
new file mode 100644
index 0000000000..e0eb4e0d63
--- /dev/null
+++ b/crypto/idea/idea.h
@@ -0,0 +1,116 @@
+/* crypto/idea/idea.org */
+/* Copyright (C) 1995-1997 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.]
+ */
+
+/* WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
+ *
+ * Always modify idea.org since idea.h is automatically generated from 
+ * it during SSLeay configuration.
+ *
+ * WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
+ */
+
+
+#ifndef HEADER_IDEA_H
+#define HEADER_IDEA_H
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define IDEA_ENCRYPT	1
+#define IDEA_DECRYPT	0
+
+#define IDEA_INT unsigned int
+#define IDEA_BLOCK	8
+#define IDEA_KEY_LENGTH	16
+
+typedef struct idea_key_st
+	{
+	IDEA_INT data[9][6];
+	} IDEA_KEY_SCHEDULE;
+
+#ifndef NOPROTO
+char *idea_options(void);
+void idea_ecb_encrypt(unsigned char *in, unsigned char *out,
+	IDEA_KEY_SCHEDULE *ks);
+void idea_set_encrypt_key(unsigned char *key, IDEA_KEY_SCHEDULE *ks);
+void idea_set_decrypt_key(IDEA_KEY_SCHEDULE *ek, IDEA_KEY_SCHEDULE *dk);
+void idea_cbc_encrypt(unsigned char *in, unsigned char *out,
+	long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv,int enc);
+void idea_cfb64_encrypt(unsigned char *in, unsigned char *out,
+	long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv,
+	int *num,int enc);
+void idea_ofb64_encrypt(unsigned char *in, unsigned char *out,
+	long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv, int *num);
+void idea_encrypt(unsigned long *in, IDEA_KEY_SCHEDULE *ks);
+#else
+char *idea_options();
+void idea_ecb_encrypt();
+void idea_set_encrypt_key();
+void idea_set_decrypt_key();
+void idea_cbc_encrypt();
+void idea_cfb64_encrypt();
+void idea_ofb64_encrypt();
+void idea_encrypt();
+#endif
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif
diff --git a/crypto/idea/idea.org b/crypto/idea/idea.org
new file mode 100644
index 0000000000..e0eb4e0d63
--- /dev/null
+++ b/crypto/idea/idea.org
@@ -0,0 +1,116 @@
+/* crypto/idea/idea.org */
+/* Copyright (C) 1995-1997 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.
+ *