OK, I've amused myself with making sure the engines that have been

contributed TO WORK WITH 0.9.7 can be built as dynamically loadable
libraries.

For now, they're not included in crypto/engine/ since 0.9.7 is in
feature freeze.  Further discussion might change that, but don't hold
your breath.

18 files changed, 4865 insertions, 0 deletions

diff --git a/demos/engines/cluster_labs/Makefile b/demos/engines/cluster_labs/Makefile
new file mode 100644
index 0000000000..956193f093
--- /dev/null
+++ b/demos/engines/cluster_labs/Makefile
@@ -0,0 +1,114 @@
+LIBNAME=	libclabs
+SRC=		hw_cluster_labs.c
+OBJ=		hw_cluster_labs.o
+HEADER=		hw_cluster_labs.h
+
+CC=		gcc
+PIC=		-fPIC
+CFLAGS=		-g -I../../../include $(PIC) -DENGINE_DYNAMIC_SUPPORT -DFLAT_INC
+AR=		ar r
+RANLIB=		ranlib
+
+LIB=		$(LIBNAME).a
+SHLIB=		$(LIBNAME).so
+
+all:
+		@echo 'Please choose a system to build on:'
+		@echo ''
+		@echo 'tru64:    Tru64 Unix, Digital Unix, Digital OSF/1'
+		@echo 'solaris:  Solaris'
+		@echo 'irix:     IRIX'
+		@echo 'hpux32:   32-bit HP/UX'
+		@echo 'hpux64:   64-bit HP/UX'
+		@echo 'aix:      AIX'
+		@echo 'gnu:      Generic GNU-based system (gcc and GNU ld)'
+		@echo ''
+
+FORCE.update:
+update:		FORCE.update
+		perl ../../../util/mkerr.pl -conf hw_cluster_labs.ec \
+			-nostatic -staticloader -write hw_cluster_labs.c
+
+gnu:		$(SHLIB).gnu
+tru64:		$(SHLIB).tru64
+solaris:	$(SHLIB).solaris
+irix:		$(SHLIB).irix
+hpux32:		$(SHLIB).hpux32
+hpux64:		$(SHLIB).hpux64
+aix:		$(SHLIB).aix
+
+$(LIB):		$(OBJ)
+		$(AR) $(LIB) $(OBJ)
+		- $(RANLIB) $(LIB)
+
+LINK_SO=	\
+  ld -r -o $(LIBNAME).o $$ALLSYMSFLAGS $(LIB) && \
+  (nm -Pg $(LIBNAME).o | grep ' [BDT] ' | cut -f1 -d' ' > $(LIBNAME).exp; \
+   $$SHAREDCMD $$SHAREDFLAGS -o $(SHLIB) $(LIBNAME).o -L ../../.. -lcrypto -lc)
+
+$(SHLIB).gnu:	$(LIB)
+		ALLSYMSFLAGS='--whole-archive' \
+		SHAREDFLAGS='-shared -Wl,-soname=$(SHLIB)' \
+		SHAREDCMD='$(CC)'; \
+		$(LINK_SO)
+		touch $(SHLIB).gnu
+$(SHLIB).tru64:	$(LIB)
+		ALLSYMSFLAGS='-all' \
+		SHAREDFLAGS='-shared' \
+		SHAREDCMD='$(CC)'; \
+		$(LINK_SO)
+		touch $(SHLIB).tru64
+$(SHLIB).solaris:	$(LIB)
+		ALLSYMSFLAGS='-z allextract' \
+		SHAREDFLAGS='-G -h $(SHLIB)' \
+		SHAREDCMD='$(CC)'; \
+		$(LINK_SO)
+		touch $(SHLIB).solaris
+$(SHLIB).irix:	$(LIB)
+		ALLSYMSFLAGS='-all' \
+		SHAREDFLAGS='-shared -Wl,-soname,$(SHLIB)' \
+		SHAREDCMD='$(CC)'; \
+		$(LINK_SO)
+		touch $(SHLIB).irix
+$(SHLIB).hpux32:	$(LIB)
+		ALLSYMSFLAGS='-Fl' \
+		SHAREDFLAGS='+vnocompatwarnings -b -z +s +h $(SHLIB)' \
+		SHAREDCMD='/usr/ccs/bin/ld'; \
+		$(LINK_SO)
+		touch $(SHLIB).hpux32
+$(SHLIB).hpux64:	$(LIB)
+		ALLSYMSFLAGS='+forceload' \
+		SHAREDFLAGS='-b -z +h $(SHLIB)' \
+		SHAREDCMD='/usr/ccs/bin/ld'; \
+		$(LINK_SO)
+		touch $(SHLIB).hpux64
+$(SHLIB).aix:	$(LIB)
+		ALLSYMSFLAGS='-bnogc' \
+		SHAREDFLAGS='-G -bE:$(LIBNAME).exp -bM:SRE' \
+		SHAREDCMD='$(CC)'; \
+		$(LINK_SO)
+		touch $(SHLIB).aix
+
+depend:
+		sed -e '/^# DO NOT DELETE.*/,$$d' < Makefile > Makefile.tmp
+		echo '# DO NOT DELETE THIS LINE -- make depend depends on it.' >> Makefile.tmp
+		gcc -M $(CFLAGS) $(SRC) >> Makefile.tmp
+		perl ../../../util/clean-depend.pl < Makefile.tmp > Makefile.new
+		rm -f Makefile.tmp Makefile
+		mv Makefile.new Makefile
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+rsaref.o: ../../../include/openssl/asn1.h ../../../include/openssl/bio.h
+rsaref.o: ../../../include/openssl/bn.h ../../../include/openssl/crypto.h
+rsaref.o: ../../../include/openssl/dh.h ../../../include/openssl/dsa.h
+rsaref.o: ../../../include/openssl/e_os2.h ../../../include/openssl/engine.h
+rsaref.o: ../../../include/openssl/err.h ../../../include/openssl/lhash.h
+rsaref.o: ../../../include/openssl/opensslconf.h
+rsaref.o: ../../../include/openssl/opensslv.h
+rsaref.o: ../../../include/openssl/ossl_typ.h ../../../include/openssl/rand.h
+rsaref.o: ../../../include/openssl/rsa.h ../../../include/openssl/safestack.h
+rsaref.o: ../../../include/openssl/stack.h ../../../include/openssl/symhacks.h
+rsaref.o: ../../../include/openssl/ui.h rsaref.c rsaref_err.c rsaref_err.h
+rsaref.o: source/des.h source/global.h source/md2.h source/md5.h source/rsa.h
+rsaref.o: source/rsaref.h
diff --git a/demos/engines/cluster_labs/cluster_labs.h b/demos/engines/cluster_labs/cluster_labs.h
new file mode 100644
index 0000000000..d0926796f0
--- /dev/null
+++ b/demos/engines/cluster_labs/cluster_labs.h
@@ -0,0 +1,35 @@
+typedef int cl_engine_init(void);
+typedef int cl_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+			const BIGNUM *m, BN_CTX *cgx);
+typedef int cl_mod_exp_crt(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
+		const BIGNUM *q, const BIGNUM *dmp1, const BIGNUM *dmq1,
+		const BIGNUM *iqmp, BN_CTX *ctx);
+typedef int cl_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
+typedef int cl_rsa_pub_enc(int flen, const unsigned char *from,
+	     unsigned char *to, RSA *rsa, int padding);
+typedef int cl_rsa_pub_dec(int flen, const unsigned char *from,
+	     unsigned char *to, RSA *rsa, int padding);
+typedef int cl_rsa_priv_enc(int flen, const unsigned char *from, 
+		unsigned char *to, RSA *rsa, int padding);
+typedef int cl_rsa_priv_dec(int flen, const unsigned char *from, 
+		unsigned char *to, RSA *rsa, int padding);		
+typedef int cl_rand_bytes(unsigned char *buf, int num);
+typedef DSA_SIG *cl_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa);
+typedef int cl_dsa_verify(const unsigned char *dgst, int dgst_len,
+				DSA_SIG *sig, DSA *dsa);
+
+
+static const char *CLUSTER_LABS_LIB_NAME = "cluster_labs";
+static const char *CLUSTER_LABS_F1	 = "hw_engine_init";
+static const char *CLUSTER_LABS_F2	 = "hw_mod_exp";
+static const char *CLUSTER_LABS_F3	 = "hw_mod_exp_crt";
+static const char *CLUSTER_LABS_F4	 = "hw_rsa_mod_exp";
+static const char *CLUSTER_LABS_F5	 = "hw_rsa_priv_enc";
+static const char *CLUSTER_LABS_F6	 = "hw_rsa_priv_dec";
+static const char *CLUSTER_LABS_F7	 = "hw_rsa_pub_enc";
+static const char *CLUSTER_LABS_F8	 = "hw_rsa_pub_dec";
+static const char *CLUSTER_LABS_F20	 = "hw_rand_bytes";
+static const char *CLUSTER_LABS_F30	 = "hw_dsa_sign";
+static const char *CLUSTER_LABS_F31	 = "hw_dsa_verify";
+
+
diff --git a/demos/engines/cluster_labs/hw_cluster_labs.c b/demos/engines/cluster_labs/hw_cluster_labs.c
new file mode 100644
index 0000000000..00c14f2755
--- /dev/null
+++ b/demos/engines/cluster_labs/hw_cluster_labs.c
@@ -0,0 +1,718 @@
+/* crypto/engine/hw_cluster_labs.c */
+/* Written by Jan Tschirschwitz (jan.tschirschwitz@cluster-labs.com
+ * for the OpenSSL project 2000.
+ */
+/* ====================================================================
+ * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#define MSC_VER   /* only used cryptic.h */
+
+#include <stdio.h>
+#include <openssl/crypto.h>
+#include <openssl/dso.h>
+#include <openssl/des.h>
+#include <openssl/engine.h>
+
+#ifndef NO_HW
+#ifndef NO_HW_CLUSTER_LABS
+
+#ifdef FLAT_INC
+#include "cluster_labs.h"
+#else
+#include "vendor_defns/cluster_labs.h"
+#endif
+
+#define CL_LIB_NAME "cluster_labs engine"
+#include "hw_cluster_labs_err.c"
+
+
+static int cluster_labs_destroy(ENGINE *e);
+static int cluster_labs_init(ENGINE *e);
+static int cluster_labs_finish(ENGINE *e);
+static int cluster_labs_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)());
+
+
+/* BIGNUM stuff */
+/* This function is aliased to mod_exp (with the mont stuff dropped). */
+static int cluster_labs_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+		const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
+		
+/* RSA stuff */
+#ifndef OPENSSL_NO_RSA
+static int cluster_labs_rsa_pub_enc(int flen, const unsigned char *from,
+	     unsigned char *to, RSA *rsa, int padding);
+static int cluster_labs_rsa_pub_dec(int flen, const unsigned char *from,
+	     unsigned char *to, RSA *rsa, int padding);
+static int cluster_labs_rsa_priv_enc(int flen, const unsigned char *from, 
+		unsigned char *to, RSA *rsa, int padding);
+static int cluster_labs_rsa_priv_dec(int flen, const unsigned char *from, 
+		unsigned char *to, RSA *rsa, int padding);
+static int cluster_labs_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
+#endif
+
+/* DSA stuff */
+#ifndef OPENSSL_NO_DSA
+DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa);
+static int cluster_labs_dsa_verify(const unsigned char *dgst, int dgst_len,
+				DSA_SIG *sig, DSA *dsa);
+static int cluster_labs_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
+		BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
+		BN_CTX *ctx, BN_MONT_CTX *in_mont);
+static int cluster_labs_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
+		const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+		BN_MONT_CTX *m_ctx);
+#endif
+								
+/* DH stuff */
+#ifndef OPENSSL_NO_DH
+/* This function is alised to mod_exp (with the DH and mont dropped). */
+static int cluster_labs_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p, 
+		const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
+#endif
+		
+/* RANDOM stuff */						
+static int cluster_labs_rand_bytes(unsigned char *buf, int num);
+
+/* The definitions for control commands specific to this engine */
+#define CLUSTER_LABS_CMD_SO_PATH		ENGINE_CMD_BASE
+static const ENGINE_CMD_DEFN cluster_labs_cmd_defns[] =
+	{
+	{ CLUSTER_LABS_CMD_SO_PATH,
+	  "SO_PATH",
+	  "Specifies the path to the 'cluster labs' shared library",
+	  ENGINE_CMD_FLAG_STRING
+	},
+	{0, NULL, NULL, 0}
+	};
+
+/* Our internal RSA_METHOD that we provide pointers to */
+#ifndef OPENSSL_NO_RSA
+static RSA_METHOD cluster_labs_rsa =
+	{
+	"Cluster Labs RSA method",
+	cluster_labs_rsa_pub_enc,	/* rsa_pub_enc */
+	cluster_labs_rsa_pub_dec,	/* rsa_pub_dec */
+	cluster_labs_rsa_priv_enc,	/* rsa_priv_enc */
+	cluster_labs_rsa_priv_dec,	/* rsa_priv_dec */
+	cluster_labs_rsa_mod_exp,	/* rsa_mod_exp */
+	cluster_labs_mod_exp_mont,	/* bn_mod_exp */
+	NULL,				/* init */
+	NULL,				/* finish */
+	0, 				/* flags */
+	NULL,				/* apps_data */
+	NULL,				/* rsa_sign */
+	NULL				/* rsa_verify */
+	};
+#endif
+
+/* Our internal DSA_METHOD that we provide pointers to */
+#ifndef OPENSSL_NO_DSA
+static DSA_METHOD cluster_labs_dsa =
+	{
+	"Cluster Labs DSA method",
+	cluster_labs_dsa_sign,  	/* dsa_do_sign */
+	NULL, 				/* dsa_sign_setup */
+	cluster_labs_dsa_verify,	/* dsa_do_verify */
+	cluster_labs_dsa_mod_exp, 	/* dsa_mod_exp */
+	cluster_labs_mod_exp_dsa, 	/* bn_mod_exp */
+	NULL, 				/* init */
+	NULL, 				/* finish */
+	0, 				/* flags */
+	NULL 				/* app_data */
+	};
+#endif	
+
+/* Our internal DH_METHOD that we provide pointers to */
+#ifndef OPENSSL_NO_DH
+static DH_METHOD cluster_labs_dh =
+	{
+	"Cluster Labs DH method",
+	NULL,				/* generate key */
+	NULL,				/* compute key */
+	cluster_labs_mod_exp_dh,	/* bn_mod_exp */
+	NULL,				/* init */
+	NULL,				/* finish */
+	0,				/* flags */
+	NULL				/* app_data */
+	};
+#endif	
+	
+static RAND_METHOD cluster_labs_rand =
+	{
+	/* "Cluster Labs RAND method", */
+	NULL,				/* seed */
+	cluster_labs_rand_bytes,	/* bytes */
+	NULL,				/* cleanup */
+	NULL,				/* add */
+	cluster_labs_rand_bytes,	/* pseudorand */
+	NULL,				/* status */
+	};	
+
+static const char *engine_cluster_labs_id = "cluster_labs";
+static const char *engine_cluster_labs_name = "Cluster Labs hardware engine support";
+
+/* engine implementation */
+/*-----------------------*/
+static int bind_helper(ENGINE *e)
+	{
+	
+	if(!ENGINE_set_id(e, engine_cluster_labs_id) ||
+			!ENGINE_set_name(e, engine_cluster_labs_name) ||
+#ifndef OPENSSL_NO_RSA
+			!ENGINE_set_RSA(e, &cluster_labs_rsa) ||
+#endif
+#ifndef OPENSSL_NO_DSA
+			!ENGINE_set_DSA(e, &cluster_labs_dsa) ||
+#endif
+#ifndef OPENSSL_NO_DH
+			!ENGINE_set_DH(e, &cluster_labs_dh) ||
+#endif
+			!ENGINE_set_RAND(e, &cluster_labs_rand) ||
+			!ENGINE_set_destroy_function(e, cluster_labs_destroy) ||
+			!ENGINE_set_init_function(e, cluster_labs_init) ||
+			!ENGINE_set_finish_function(e, cluster_labs_finish) ||
+			!ENGINE_set_ctrl_function(e, cluster_labs_ctrl) ||
+			!ENGINE_set_cmd_defns(e, cluster_labs_cmd_defns))
+		return 0;
+	/* Ensure the error handling is set up */
+	ERR_load_CL_strings();
+	return 1;
+	}
+	
+#ifndef ENGINE_DYNAMIC_SUPPORT
+static ENGINE *engine_cluster_labs(void)
+	{
+	ENGINE *ret = ENGINE_new();
+
+	if(!ret)
+		return NULL;
+	if(!bind_helper(ret))
+		{
+		ENGINE_free(ret);
+		return NULL;
+		}
+	return ret;
+	}
+
+void ENGINE_load_cluster_labs(void)
+	{
+
+	ENGINE *cluster_labs = engine_cluster_labs();
+	
+	if(!cluster_labs) return;
+	ENGINE_add(cluster_labs);
+	ENGINE_free(cluster_labs);
+	ERR_clear_error();
+	}
+#endif /* !ENGINE_DYNAMIC_SUPPORT */
+
+static int cluster_labs_destroy(ENGINE *e)
+	{
+	
+	ERR_unload_CL_strings();
+	return 1;
+	}
+
+
+
+/* This is a process-global DSO handle used for loading and unloading
+ * the Cluster Labs library. NB: This is only set (or unset) during an
+ * init() or finish() call (reference counts permitting) and they're
+ * operating with global locks, so this should be thread-safe
+ * implicitly. */
+static DSO *cluster_labs_dso = NULL;
+
+/* These are the function pointers that are (un)set when the library has
+ * successfully (un)loaded. */
+static cl_engine_init	  	*p_cl_engine_init 		 = NULL;
+static cl_mod_exp	 	*p_cl_mod_exp 			 = NULL;
+static cl_mod_exp_crt		*p_cl_mod_exp_crt 		 = NULL;
+static cl_rsa_mod_exp		*p_cl_rsa_mod_exp 		 = NULL;
+static cl_rsa_priv_enc		*p_cl_rsa_priv_enc 		 = NULL;
+static cl_rsa_priv_dec		*p_cl_rsa_priv_dec 		 = NULL;
+static cl_rsa_pub_enc		*p_cl_rsa_pub_enc 		 = NULL;
+static cl_rsa_pub_dec		*p_cl_rsa_pub_dec 		 = NULL;
+static cl_rand_bytes		*p_cl_rand_bytes	 	 = NULL;
+static cl_dsa_sign		*p_cl_dsa_sign		 	 = NULL;
+static cl_dsa_verify		*p_cl_dsa_verify	 	 = NULL;
+
+
+int cluster_labs_init(ENGINE *e)
+	{
+
+	cl_engine_init			*p1;
+	cl_mod_exp			*p2;
+	cl_mod_exp_crt			*p3;
+	cl_rsa_mod_exp			*p4;
+	cl_rsa_priv_enc			*p5;
+	cl_rsa_priv_dec			*p6;	
+	cl_rsa_pub_enc			*p7;
+	cl_rsa_pub_dec			*p8;
+	cl_rand_bytes			*p20;
+	cl_dsa_sign			*p30;	
+	cl_dsa_verify			*p31;		
+	
+	/* engine already loaded */
+	if(cluster_labs_dso != NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_ALREADY_LOADED);
+		goto err;
+		}
+	/* try to load engine	 */	
+	cluster_labs_dso = DSO_load(NULL, CLUSTER_LABS_LIB_NAME, NULL,0);
+	if(cluster_labs_dso == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_DSO_FAILURE);
+		goto err;
+		}
+	/* bind functions */
+	if(	!(p1 = (cl_engine_init *)DSO_bind_func(
+				cluster_labs_dso, CLUSTER_LABS_F1)) ||
+		!(p2 = (cl_mod_exp *)DSO_bind_func(
+				cluster_labs_dso, CLUSTER_LABS_F2)) ||			
+		!(p3 = (cl_mod_exp_crt *)DSO_bind_func(
+				cluster_labs_dso, CLUSTER_LABS_F3)) ||				
+		!(p4 = (cl_rsa_mod_exp *)DSO_bind_func(
+				cluster_labs_dso, CLUSTER_LABS_F4)) ||				
+		!(p5 = (cl_rsa_priv_enc *)DSO_bind_func(
+				cluster_labs_dso, CLUSTER_LABS_F5)) ||
+		!(p6 = (cl_rsa_priv_dec *)DSO_bind_func(
+				cluster_labs_dso, CLUSTER_LABS_F6)) ||
+		!(p7 = (cl_rsa_pub_enc *)DSO_bind_func(
+				cluster_labs_dso, CLUSTER_LABS_F7)) ||
+		!(p8 = (cl_rsa_pub_dec *)DSO_bind_func(
+				cluster_labs_dso, CLUSTER_LABS_F8)) ||
+		!(p20= (cl_rand_bytes *)DSO_bind_func(
+				cluster_labs_dso, CLUSTER_LABS_F20)) ||
+		!(p30= (cl_dsa_sign *)DSO_bind_func(
+				cluster_labs_dso, CLUSTER_LABS_F30)) ||
+		!(p31= (cl_dsa_verify *)DSO_bind_func(
+				cluster_labs_dso, CLUSTER_LABS_F31)))
+		{
+		CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_DSO_FAILURE);
+		goto err;
+		}
+		
+	/* copy function pointers */
+	p_cl_engine_init		= p1;
+	p_cl_mod_exp			= p2;
+	p_cl_mod_exp_crt		= p3;	
+	p_cl_rsa_mod_exp 		= p4;
+	p_cl_rsa_priv_enc	 	= p5;
+	p_cl_rsa_priv_dec	 	= p6;
+	p_cl_rsa_pub_enc	 	= p7;
+	p_cl_rsa_pub_dec	 	= p8;
+	p_cl_rand_bytes			= p20;	
+	p_cl_dsa_sign			= p30;
+	p_cl_dsa_verify			= p31;	
+	
+	
+	
+	/* cluster labs engine init */
+	if(p_cl_engine_init()== 0){
+		CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_INIT_FAILED);		
+		goto err;
+	}
+
+	return(1);
+
+err:	
+	/* reset all pointers */
+	if(cluster_labs_dso)
+		DSO_free(cluster_labs_dso);
+
+	cluster_labs_dso		= NULL;
+	p_cl_engine_init		= NULL;	
+	p_cl_mod_exp			= NULL;
+	p_cl_mod_exp_crt		= NULL;
+	p_cl_rsa_mod_exp		= NULL;
+	p_cl_rsa_priv_enc		= NULL;
+	p_cl_rsa_priv_dec		= NULL;	
+	p_cl_rsa_pub_enc		= NULL;
+	p_cl_rsa_pub_dec		= NULL;	
+	p_cl_rand_bytes			= NULL;	
+	p_cl_dsa_sign			= NULL;
+	p_cl_dsa_verify			= NULL;	
+	
+	return(0);
+	}
+	
+
+static int cluster_labs_finish(ENGINE *e)
+	{
+
+	if(cluster_labs_dso == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_FINISH,CL_R_NOT_LOADED);
+		return 0;
+		}
+	if(!DSO_free(cluster_labs_dso))
+		{
+		CLerr(CL_F_CLUSTER_LABS_FINISH,CL_R_DSO_FAILURE);
+		return 0;
+		}
+		
+	cluster_labs_dso 		= NULL;
+	p_cl_engine_init		= NULL;		
+	p_cl_mod_exp			= NULL;
+	p_cl_rsa_mod_exp		= NULL;	
+	p_cl_mod_exp_crt		= NULL;	
+	p_cl_rsa_priv_enc		= NULL;	
+	p_cl_rsa_priv_dec		= NULL;	
+	p_cl_rsa_pub_enc		= NULL;
+	p_cl_rsa_pub_dec		= NULL;	
+	p_cl_rand_bytes			= NULL;		
+	p_cl_dsa_sign			= NULL;
+	p_cl_dsa_verify			= NULL;	
+	
+	return(1);	
+	
+	}
+	
+static int cluster_labs_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
+	{
+	int initialised = ((cluster_labs_dso == NULL) ? 0 : 1);
+
+	switch(cmd)
+		{
+	case CLUSTER_LABS_CMD_SO_PATH:
+		if(p == NULL)
+			{
+			CLerr(CL_F_CLUSTER_LABS_CTRL,ERR_R_PASSED_NULL_PARAMETER);
+			return 0;
+			}
+		if(initialised)
+			{
+			CLerr(CL_F_CLUSTER_LABS_CTRL,CL_R_ALREADY_LOADED);
+			return 0;
+			}
+		CLUSTER_LABS_LIB_NAME = (const char *)p;
+		return 1;
+	default:
+		break;
+		}
+	CLerr(CL_F_CLUSTER_LABS_CTRL,CL_R_COMMAND_NOT_IMPLEMENTED);
+	return 0;
+	}
+	
+
+static int cluster_labs_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+		const BIGNUM *m, BN_CTX *ctx)
+	{
+
+	if(cluster_labs_dso == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_MOD_EXP,CL_R_NOT_LOADED);
+		return 0;
+		}	
+	if(p_cl_mod_exp == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_MOD_EXP,CL_R_FUNCTION_NOT_BINDED);
+		return 0;
+		}
+
+	return	p_cl_mod_exp(r, a, p, m, ctx);
+
+	}
+	
+static int cluster_labs_mod_exp_crt(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
+		const BIGNUM *q, const BIGNUM *dmp1, const BIGNUM *dmq1,
+		const BIGNUM *iqmp, BN_CTX *ctx)
+	{
+
+	if(cluster_labs_dso == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_MOD_EXP_CRT,CL_R_NOT_LOADED);		
+		return 0;
+		}
+	if(p_cl_mod_exp_crt == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_MOD_EXP_CRT,CL_R_FUNCTION_NOT_BINDED);		
+		return 0;
+		}
+	
+	return	p_cl_mod_exp_crt(r, a, p, q,dmp1, dmq1, iqmp, ctx);
+	
+	}
+	
+static int cluster_labs_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)
+	{
+
+	if(cluster_labs_dso == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_RSA_MOD_EXP,CL_R_NOT_LOADED);		
+		return 0;
+		}
+	if(p_cl_rsa_mod_exp == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_RSA_MOD_EXP,CL_R_FUNCTION_NOT_BINDED);				
+		return 0;
+		}
+
+	return p_cl_rsa_mod_exp(r0, I, rsa);
+
+	}
+	
+DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa)
+	{
+
+	if(cluster_labs_dso == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_DSA_SIGN,CL_R_NOT_LOADED);		
+		return 0;
+		}
+	if(p_cl_dsa_sign == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_DSA_SIGN,CL_R_FUNCTION_NOT_BINDED);				
+		return 0;
+		}
+
+	return p_cl_dsa_sign(dgst, dlen, dsa);
+	
+	}
+	
+static int cluster_labs_dsa_verify(const unsigned char *dgst, int dgst_len,
+				DSA_SIG *sig, DSA *dsa)
+	{
+
+	if(cluster_labs_dso == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_DSA_VERIFY,CL_R_NOT_LOADED);		
+		return 0;
+		}
+	
+	if(p_cl_dsa_verify == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_DSA_VERIFY,CL_R_FUNCTION_NOT_BINDED);				
+		return 0;
+		}
+
+	return p_cl_dsa_verify(dgst, dgst_len, sig, dsa);
+	
+	}			
+
+static int cluster_labs_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
+		BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
+		BN_CTX *ctx, BN_MONT_CTX *in_mont)
+	{
+	BIGNUM t;
+	int status = 0;
+		
+	BN_init(&t);
+	/* let rr = a1 ^ p1 mod m */
+	if (!cluster_labs_mod_exp(rr,a1,p1,m,ctx)) goto end;
+	/* let t = a2 ^ p2 mod m */
+	if (!cluster_labs_mod_exp(&t,a2,p2,m,ctx)) goto end;
+	/* let rr = rr * t mod m */
+	if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;
+	status = 1;
+end:
+	BN_free(&t);
+	
+	return(1);
+
+	}
+
+static int cluster_labs_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
+		const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+		BN_MONT_CTX *m_ctx)
+	{
+	return 	cluster_labs_mod_exp(r, a, p, m, ctx);
+	}
+	
+/* This function is aliased to mod_exp (with the mont stuff dropped). */
+static int cluster_labs_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+		const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
+	{
+	return	cluster_labs_mod_exp(r, a, p, m, ctx);
+	}
+	
+
+/* This function is aliased to mod_exp (with the dh and mont dropped). */
+static int cluster_labs_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+		const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
+	{
+	return 	cluster_labs_mod_exp(r, a, p, m, ctx);
+	}
+
+
+static int cluster_labs_rsa_pub_enc(int flen, const unsigned char *from,
+	     unsigned char *to, RSA *rsa, int padding)
+	{
+
+	if(cluster_labs_dso == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_RSA_PUB_ENC,CL_R_NOT_LOADED);		
+		return 0;
+		}
+	if(p_cl_rsa_priv_enc == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_RSA_PUB_ENC,CL_R_FUNCTION_NOT_BINDED);				
+		return 0;
+		}
+		
+	return 	p_cl_rsa_pub_enc(flen, from, to, rsa, padding);
+	
+	}  
+	     
+static int cluster_labs_rsa_pub_dec(int flen, const unsigned char *from,
+	     unsigned char *to, RSA *rsa, int padding)
+	{
+
+	if(cluster_labs_dso == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_RSA_PUB_DEC,CL_R_NOT_LOADED);		
+		return 0;
+		}
+	if(p_cl_rsa_priv_enc == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_RSA_PUB_DEC,CL_R_FUNCTION_NOT_BINDED);				
+		return 0;
+		}
+		
+	return 	p_cl_rsa_pub_dec(flen, from, to, rsa, padding);
+	
+	}  
+
+
+static int cluster_labs_rsa_priv_enc(int flen, const unsigned char *from, 
+		unsigned char *to, RSA *rsa, int padding)
+	{
+
+	if(cluster_labs_dso == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_ENC,CL_R_NOT_LOADED);		
+		return 0;
+		}
+
+	if(p_cl_rsa_priv_enc == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_ENC,CL_R_FUNCTION_NOT_BINDED);				
+		return 0;
+		}
+		
+	return 	p_cl_rsa_priv_enc(flen, from, to, rsa, padding);
+	
+	}  
+
+static int cluster_labs_rsa_priv_dec(int flen, const unsigned char *from, 
+		unsigned char *to, RSA *rsa, int padding)
+	{
+	
+	if(cluster_labs_dso == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_DEC,CL_R_NOT_LOADED);		
+		return 0;
+		}
+	if(p_cl_rsa_priv_dec == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_DEC,CL_R_FUNCTION_NOT_BINDED);				
+		return 0;
+		}
+
+	return 	p_cl_rsa_priv_dec(flen, from, to, rsa, padding);
+		
+	}  
+
+/************************************************************************************
+* Symmetric algorithms
+************************************************************************************/
+/* this will be come soon! */
+
+/************************************************************************************
+* Random generator
+************************************************************************************/
+
+static int cluster_labs_rand_bytes(unsigned char *buf, int num){
+
+	if(cluster_labs_dso == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_RAND_BYTES,CL_R_NOT_LOADED);		
+		return 0;
+		}
+	if(p_cl_mod_exp_crt == NULL)
+		{
+		CLerr(CL_F_CLUSTER_LABS_RAND_BYTES,CL_R_FUNCTION_NOT_BINDED);				
+		return 0;
+		}
+
+	return 	p_cl_rand_bytes(buf, num);
+
+}
+
+
+/* This stuff is needed if this ENGINE is being compiled into a self-contained
+ * shared-library. */
+#ifdef ENGINE_DYNAMIC_SUPPORT
+static int bind_fn(ENGINE *e, const char *id)
+	{
+	fprintf(stderr, "bind_fn CLUSTER_LABS\n");
+	if(id && (strcmp(id, engine_cluster_labs_id) != 0)) {
+		fprintf(stderr, "bind_fn return(0) first\n");
+		return 0;
+		}
+	if(!bind_helper(e)) {
+		fprintf(stderr, "bind_fn return(1) first\n");
+		return 0;
+		}
+	fprintf(stderr, "bind_fn return(1)\n");		
+	return 1;
+	}
+IMPLEMENT_DYNAMIC_CHECK_FN()
+IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
+#endif /* ENGINE_DYNAMIC_SUPPORT */
+						
+#endif /* !NO_HW_CLUSTER_LABS */
+#endif /* !NO_HW */
+
diff --git a/demos/engines/cluster_labs/hw_cluster_labs.ec b/demos/engines/cluster_labs/hw_cluster_labs.ec
new file mode 100644
index 0000000000..1f64786542
--- /dev/null
+++ b/demos/engines/cluster_labs/hw_cluster_labs.ec
@@ -0,0 +1,8 @@
+# configuration file for util/mkerr.pl
+#
+# use like this:
+#
+#	perl ../../../util/mkerr.pl -conf hw_cluster_labs.ec \
+#		-nostatic -staticloader -write *.c
+
+L CL		hw_cluster_labs_err.h		hw_cluster_labs_err.c
diff --git a/demos/engines/cluster_labs/hw_cluster_labs_err.c b/demos/engines/cluster_labs/hw_cluster_labs_err.c
new file mode 100644
index 0000000000..a7fa4083b1
--- /dev/null
+++ b/demos/engines/cluster_labs/hw_cluster_labs_err.c
@@ -0,0 +1,151 @@
+/* hw_cluster_labs_err.c */
+/* ====================================================================
+ * Copyright (c) 1999-2002 The OpenSSL Project.  All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+/* NOTE: this file was auto generated by the mkerr.pl script: any changes
+ * made to it will be overwritten when the script next updates this file,
+ * only reason strings will be preserved.
+ */
+
+#include <stdio.h>
+#include <openssl/err.h>
+#include "hw_cluster_labs_err.h"
+
+/* BEGIN ERROR CODES */
+#ifndef OPENSSL_NO_ERR
+static ERR_STRING_DATA CL_str_functs[]=
+	{
+{ERR_PACK(0,CL_F_CLUSTER_LABS_CTRL,0),	"CLUSTER_LABS_CTRL"},
+{ERR_PACK(0,CL_F_CLUSTER_LABS_DSA_SIGN,0),	"CLUSTER_LABS_DSA_SIGN"},
+{ERR_PACK(0,CL_F_CLUSTER_LABS_DSA_VERIFY,0),	"CLUSTER_LABS_DSA_VERIFY"},
+{ERR_PACK(0,CL_F_CLUSTER_LABS_FINISH,0),	"CLUSTER_LABS_FINISH"},
+{ERR_PACK(0,CL_F_CLUSTER_LABS_INIT,0),	"CLUSTER_LABS_INIT"},
+{ERR_PACK(0,CL_F_CLUSTER_LABS_MOD_EXP,0),	"CLUSTER_LABS_MOD_EXP"},
+{ERR_PACK(0,CL_F_CLUSTER_LABS_MOD_EXP_CRT,0),	"CLUSTER_LABS_MOD_EXP_CRT"},
+{ERR_PACK(0,CL_F_CLUSTER_LABS_RAND_BYTES,0),	"CLUSTER_LABS_RAND_BYTES"},
+{ERR_PACK(0,CL_F_CLUSTER_LABS_RSA_MOD_EXP,0),	"CLUSTER_LABS_RSA_MOD_EXP"},
+{ERR_PACK(0,CL_F_CLUSTER_LABS_RSA_PRIV_DEC,0),	"CLUSTER_LABS_RSA_PRIV_DEC"},
+{ERR_PACK(0,CL_F_CLUSTER_LABS_RSA_PRIV_ENC,0),	"CLUSTER_LABS_RSA_PRIV_ENC"},
+{ERR_PACK(0,CL_F_CLUSTER_LABS_RSA_PUB_DEC,0),	"CLUSTER_LABS_RSA_PUB_DEC"},
+{ERR_PACK(0,CL_F_CLUSTER_LABS_RSA_PUB_ENC,0),	"CLUSTER_LABS_RSA_PUB_ENC"},
+{0,NULL}
+	};
+
+static ERR_STRING_DATA CL_str_reasons[]=
+	{
+{CL_R_ALREADY_LOADED                     ,"already loaded"},
+{CL_R_COMMAND_NOT_IMPLEMENTED            ,"command not implemented"},
+{CL_R_DSO_FAILURE                        ,"dso failure"},
+{CL_R_FUNCTION_NOT_BINDED                ,"function not binded"},
+{CL_R_INIT_FAILED                        ,"init failed"},
+{CL_R_NOT_LOADED                         ,"not loaded"},
+{0,NULL}
+	};
+
+#endif
+
+#ifdef CL_LIB_NAME
+static ERR_STRING_DATA CL_lib_name[]=
+        {
+{0	,CL_LIB_NAME},
+{0,NULL}
+	};
+#endif
+
+
+static int CL_lib_error_code=0;
+static int CL_error_init=1;
+
+static void ERR_load_CL_strings(void)
+	{
+	if (CL_lib_error_code == 0)
+		CL_lib_error_code=ERR_get_next_error_library();
+
+	if (CL_error_init)
+		{
+		CL_error_init=0;
+#ifndef OPENSSL_NO_ERR
+		ERR_load_strings(CL_lib_error_code,CL_str_functs);
+		ERR_load_strings(CL_lib_error_code,CL_str_reasons);
+#endif
+
+#ifdef CL_LIB_NAME
+		CL_lib_name->error = ERR_PACK(CL_lib_error_code,0,0);
+		ERR_load_strings(0,CL_lib_name);
+#endif
+		}
+	}
+
+static void ERR_unload_CL_strings(void)
+	{
+	if (CL_error_init == 0)
+		{
+#ifndef OPENSSL_NO_ERR
+		ERR_unload_strings(CL_lib_error_code,CL_str_functs);
+		ERR_unload_strings(CL_lib_error_code,CL_str_reasons);
+#endif
+
+#ifdef CL_LIB_NAME
+		ERR_unload_strings(0,CL_lib_name);
+#endif
+		CL_error_init=1;
+		}
+	}
+
+static void ERR_CL_error(int function, int reason, char *file, int line)
+	{
+	if (CL_lib_error_code == 0)
+		CL_lib_error_code=ERR_get_next_error_library();
+	ERR_PUT_error(CL_lib_error_code,function,reason,file,line);
+	}
diff --git a/demos/engines/cluster_labs/hw_cluster_labs_err.h b/demos/engines/cluster_labs/hw_cluster_labs_err.h
new file mode 100644
index 0000000000..afc175b133
--- /dev/null
+++ b/demos/engines/cluster_labs/hw_cluster_labs_err.h
@@ -0,0 +1,95 @@
+/* ====================================================================
+ * Copyright (c) 2001-2002 The OpenSSL Project.  All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#ifndef HEADER_CL_ERR_H
+#define HEADER_CL_ERR_H
+
+/* BEGIN ERROR CODES */
+/* The following lines are auto generated by the script mkerr.pl. Any changes
+ * made after this point may be overwritten when the script is next run.
+ */
+static void ERR_load_CL_strings(void);
+static void ERR_unload_CL_strings(void);
+static void ERR_CL_error(int function, int reason, char *file, int line);
+#define CLerr(f,r) ERR_CL_error((f),(r),__FILE__,__LINE__)
+
+/* Error codes for the CL functions. */
+
+/* Function codes. */
+#define CL_F_CLUSTER_LABS_CTRL				 100
+#define CL_F_CLUSTER_LABS_DSA_SIGN			 101
+#define CL_F_CLUSTER_LABS_DSA_VERIFY			 102
+#define CL_F_CLUSTER_LABS_FINISH			 103
+#define CL_F_CLUSTER_LABS_INIT				 104
+#define CL_F_CLUSTER_LABS_MOD_EXP			 105
+#define CL_F_CLUSTER_LABS_MOD_EXP_CRT			 106
+#define CL_F_CLUSTER_LABS_RAND_BYTES			 107
+#define CL_F_CLUSTER_LABS_RSA_MOD_EXP			 108
+#define CL_F_CLUSTER_LABS_RSA_PRIV_DEC			 109
+#define CL_F_CLUSTER_LABS_RSA_PRIV_ENC			 110
+#define CL_F_CLUSTER_LABS_RSA_PUB_DEC			 111
+#define CL_F_CLUSTER_LABS_RSA_PUB_ENC			 112
+
+/* Reason codes. */
+#define CL_R_ALREADY_LOADED				 100
+#define CL_R_COMMAND_NOT_IMPLEMENTED			 101
+#define CL_R_DSO_FAILURE				 102
+#define CL_R_FUNCTION_NOT_BINDED			 103
+#define CL_R_INIT_FAILED				 104
+#define CL_R_NOT_LOADED					 105
+
+#ifdef  __cplusplus
+}
+#endif
+#endif
diff --git a/demos/engines/ibmca/Makefile b/demos/engines/ibmca/Makefile
new file mode 100644
index 0000000000..72f3546359
--- /dev/null
+++ b/demos/engines/ibmca/Makefile
@@ -0,0 +1,114 @@
+LIBNAME=	libibmca
+SRC=		hw_ibmca.c
+OBJ=		hw_ibmca.o
+HEADER=		hw_ibmca.h
+
+CC=		gcc
+PIC=		-fPIC
+CFLAGS=		-g -I../../../include $(PIC) -DENGINE_DYNAMIC_SUPPORT -DFLAT_INC
+AR=		ar r
+RANLIB=		ranlib
+
+LIB=		$(LIBNAME).a
+SHLIB=		$(LIBNAME).so
+
+all:
+		@echo 'Please choose a system to build on:'
+		@echo ''
+		@echo 'tru64:    Tru64 Unix, Digital Unix, Digital OSF/1'
+		@echo 'solaris:  Solaris'
+		@echo 'irix:     IRIX'
+		@echo 'hpux32:   32-bit HP/UX'
+		@echo 'hpux64:   64-bit HP/UX'
+		@echo 'aix:      AIX'
+		@echo 'gnu:      Generic GNU-based system (gcc and GNU ld)'
+		@echo ''
+
+FORCE.update:
+update:		FORCE.update
+		perl ../../../util/mkerr.pl -conf hw_ibmca.ec \
+			-nostatic -staticloader -write hw_ibmca.c
+
+gnu:		$(SHLIB).gnu
+tru64:		$(SHLIB).tru64
+solaris:	$(SHLIB).solaris
+irix:		$(SHLIB).irix
+hpux32:		$(SHLIB).hpux32
+hpux64:		$(SHLIB).hpux64
+aix:		$(SHLIB).aix
+
+$(LIB):		$(OBJ)
+		$(AR) $(LIB) $(OBJ)
+		- $(RANLIB) $(LIB)
+
+LINK_SO=	\
+  ld -r -o $(LIBNAME).o $$ALLSYMSFLAGS $(LIB) && \
+  (nm -Pg $(LIBNAME).o | grep ' [BDT] ' | cut -f1 -d' ' > $(LIBNAME).exp; \
+   $$SHAREDCMD $$SHAREDFLAGS -o $(SHLIB) $(LIBNAME).o -L ../../.. -lcrypto -lc)
+
+$(SHLIB).gnu:	$(LIB)
+		ALLSYMSFLAGS='--whole-archive' \
+		SHAREDFLAGS='-shared -Wl,-soname=$(SHLIB)' \
+		SHAREDCMD='$(CC)'; \
+		$(LINK_SO)
+		touch $(SHLIB).gnu
+$(SHLIB).tru64:	$(LIB)
+		ALLSYMSFLAGS='-all' \
+		SHAREDFLAGS='-shared' \
+		SHAREDCMD='$(CC)'; \
+		$(LINK_SO)
+		touch $(SHLIB).tru64
+$(SHLIB).solaris:	$(LIB)
+		ALLSYMSFLAGS='-z allextract' \
+		SHAREDFLAGS='-G -h $(SHLIB)' \
+		SHAREDCMD='$(CC)'; \
+		$(LINK_SO)
+		touch $(SHLIB).solaris
+$(SHLIB).irix:	$(LIB)
+		ALLSYMSFLAGS='-all' \
+		SHAREDFLAGS='-shared -Wl,-soname,$(SHLIB)' \
+		SHAREDCMD='$(CC)'; \
+		$(LINK_SO)
+		touch $(SHLIB).irix
+$(SHLIB).hpux32:	$(LIB)
+		ALLSYMSFLAGS='-Fl' \
+		SHAREDFLAGS='+vnocompatwarnings -b -z +s +h $(SHLIB)' \
+		SHAREDCMD='/usr/ccs/bin/ld'; \
+		$(LINK_SO)
+		touch $(SHLIB).hpux32
+$(SHLIB).hpux64:	$(LIB)
+		ALLSYMSFLAGS='+forceload' \
+		SHAREDFLAGS='-b -z +h $(SHLIB)' \
+		SHAREDCMD='/usr/ccs/bin/ld'; \
+		$(LINK_SO)
+		touch $(SHLIB).hpux64
+$(SHLIB).aix:	$(LIB)
+		ALLSYMSFLAGS='-bnogc' \
+		SHAREDFLAGS='-G -bE:$(LIBNAME).exp -bM:SRE' \
+		SHAREDCMD='$(CC)'; \
+		$(LINK_SO)
+		touch $(SHLIB).aix
+
+depend:
+		sed -e '/^# DO NOT DELETE.*/,$$d' < Makefile > Makefile.tmp
+		echo '# DO NOT DELETE THIS LINE -- make depend depends on it.' >> Makefile.tmp
+		gcc -M $(CFLAGS) $(SRC) >> Makefile.tmp
+		perl ../../../util/clean-depend.pl < Makefile.tmp > Makefile.new
+		rm -f Makefile.tmp Makefile
+		mv Makefile.new Makefile
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+rsaref.o: ../../../include/openssl/asn1.h ../../../include/openssl/bio.h
+rsaref.o: ../../../include/openssl/bn.h ../../../include/openssl/crypto.h
+rsaref.o: ../../../include/openssl/dh.h ../../../include/openssl/dsa.h
+rsaref.o: ../../../include/openssl/e_os2.h ../../../include/openssl/engine.h
+rsaref.o: ../../../include/openssl/err.h ../../../include/openssl/lhash.h
+rsaref.o: ../../../include/openssl/opensslconf.h
+rsaref.o: ../../../include/openssl/opensslv.h
+rsaref.o: ../../../include/openssl/ossl_typ.h ../../../include/openssl/rand.h
+rsaref.o: ../../../include/openssl/rsa.h ../../../include/openssl/safestack.h
+rsaref.o: ../../../include/openssl/stack.h ../../../include/openssl/symhacks.h
+rsaref.o: ../../../include/openssl/ui.h rsaref.c rsaref_err.c rsaref_err.h
+rsaref.o: source/des.h source/global.h source/md2.h source/md5.h source/rsa.h
+rsaref.o: source/rsaref.h
diff --git a/demos/engines/ibmca/hw_ibmca.c b/demos/engines/ibmca/hw_ibmca.c
new file mode 100644
index 0000000000..881b16a7cb
--- /dev/null
+++ b/demos/engines/ibmca/hw_ibmca.c
@@ -0,0 +1,917 @@
+/* crypto/engine/hw_ibmca.c */

+/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL

+ * project 2000.

+ */

+/* ====================================================================

+ * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.

+ *

+ * 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 above 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 acknowledgment:

+ *    "This product includes software developed by the OpenSSL Project

+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"

+ *

+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to

+ *    endorse or promote products derived from this software without

+ *    prior written permission. For written permission, please contact

+ *    licensing@OpenSSL.org.

+ *

+ * 5. Products derived from this software may not be called "OpenSSL"

+ *    nor may "OpenSSL" appear in their names without prior written

+ *    permission of the OpenSSL Project.

+ *

+ * 6. Redistributions of any form whatsoever must retain the following

+ *    acknowledgment:

+ *    "This product includes software developed by the OpenSSL Project

+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"

+ *

+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY

+ * EXPRESSED 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 OpenSSL PROJECT OR

+ * ITS 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.

+ * ====================================================================

+ *

+ * This product includes cryptographic software written by Eric Young

+ * (eay@cryptsoft.com).  This product includes software written by Tim

+ * Hudson (tjh@cryptsoft.com).

+ *

+ */

+

+/* (C) COPYRIGHT International Business Machines Corp. 2001 */

+

+#include <stdio.h>

+#include <openssl/crypto.h>

+#include <openssl/dso.h>

+#include <openssl/engine.h>

+

+#ifndef OPENSSL_NO_HW

+#ifndef OPENSSL_NO_HW_IBMCA

+

+#ifdef FLAT_INC

+#include "ica_openssl_api.h"

+#else

+#include "vendor_defns/ica_openssl_api.h"

+#endif

+

+#define IBMCA_LIB_NAME "ibmca engine"

+#include "hw_ibmca_err.c"

+

+static int ibmca_destroy(ENGINE *e);

+static int ibmca_init(ENGINE *e);

+static int ibmca_finish(ENGINE *e);

+static int ibmca_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)());

+

+static const char *IBMCA_F1 = "icaOpenAdapter";

+static const char *IBMCA_F2 = "icaCloseAdapter";

+static const char *IBMCA_F3 = "icaRsaModExpo";

+static const char *IBMCA_F4 = "icaRandomNumberGenerate";

+static const char *IBMCA_F5 = "icaRsaCrt";

+

+ICA_ADAPTER_HANDLE handle=0;

+

+/* BIGNUM stuff */

+static int ibmca_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,

+        const BIGNUM *m, BN_CTX *ctx);

+

+static int ibmca_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,

+        const BIGNUM *q, const BIGNUM *dmp1, const BIGNUM *dmq1,

+        const BIGNUM *iqmp, BN_CTX *ctx);

+

+#ifndef OPENSSL_NO_RSA  

+/* RSA stuff */

+static int ibmca_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);

+#endif

+

+/* This function is aliased to mod_exp (with the mont stuff dropped). */

+static int ibmca_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,

+        const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);

+

+#ifndef OPENSSL_NO_DSA 

+/* DSA stuff */

+static int ibmca_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,

+        BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,

+        BN_CTX *ctx, BN_MONT_CTX *in_mont);

+static int ibmca_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,

+        const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,

+        BN_MONT_CTX *m_ctx);

+#endif

+

+#ifndef OPENSSL_NO_DH 

+/* DH stuff */

+/* This function is alised to mod_exp (with the DH and mont dropped). */

+static int ibmca_mod_exp_dh(const DH *dh, BIGNUM *r, 

+	const BIGNUM *a, const BIGNUM *p,

+	const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);

+#endif

+

+/* RAND stuff */

+static int ibmca_rand_bytes(unsigned char *buf, int num);

+static int ibmca_rand_status(void);

+

+

+/* WJH - check for more commands, like in nuron */

+

+/* The definitions for control commands specific to this engine */

+#define IBMCA_CMD_SO_PATH		ENGINE_CMD_BASE

+static const ENGINE_CMD_DEFN ibmca_cmd_defns[] = {

+	{IBMCA_CMD_SO_PATH,

+		"SO_PATH",

+		"Specifies the path to the 'atasi' shared library",

+		ENGINE_CMD_FLAG_STRING},

+	{0, NULL, NULL, 0}

+	};

+

+#ifndef OPENSSL_NO_RSA  

+/* Our internal RSA_METHOD that we provide pointers to */

+static RSA_METHOD ibmca_rsa =

+        {

+        "Ibmca RSA method",

+        NULL,

+        NULL,

+        NULL,

+        NULL,

+        ibmca_rsa_mod_exp,

+        ibmca_mod_exp_mont,

+        NULL,

+        NULL,

+        0,

+        NULL,

+        NULL,

+        NULL

+        };

+#endif

+

+#ifndef OPENSSL_NO_DSA

+/* Our internal DSA_METHOD that we provide pointers to */

+static DSA_METHOD ibmca_dsa =

+        {

+        "Ibmca DSA method",

+        NULL, /* dsa_do_sign */

+        NULL, /* dsa_sign_setup */

+        NULL, /* dsa_do_verify */

+        ibmca_dsa_mod_exp, /* dsa_mod_exp */

+        ibmca_mod_exp_dsa, /* bn_mod_exp */

+        NULL, /* init */

+        NULL, /* finish */

+        0, /* flags */

+        NULL /* app_data */

+        };

+#endif

+

+#ifndef OPENSSL_NO_DH

+/* Our internal DH_METHOD that we provide pointers to */

+static DH_METHOD ibmca_dh =

+        {

+        "Ibmca DH method",

+        NULL,

+        NULL,

+        ibmca_mod_exp_dh,

+        NULL,

+        NULL,

+        0,

+        NULL

+        };

+#endif

+

+static RAND_METHOD ibmca_rand =

+        {

+        /* "IBMCA RAND method", */

+        NULL,

+        ibmca_rand_bytes,

+        NULL,

+        NULL,

+        ibmca_rand_bytes,

+        ibmca_rand_status,

+        };

+

+/* Constants used when creating the ENGINE */

+static const char *engine_ibmca_id = "ibmca";

+static const char *engine_ibmca_name = "Ibmca hardware engine support";

+

+/* This internal function is used by ENGINE_ibmca() and possibly by the

+ * "dynamic" ENGINE support too */

+static int bind_helper(ENGINE *e)

+	{

+#ifndef OPENSSL_NO_RSA

+	const RSA_METHOD *meth1;

+#endif

+#ifndef OPENSSL_NO_DSA

+	const DSA_METHOD *meth2;

+#endif

+#ifndef OPENSSL_NO_DH

+	const DH_METHOD *meth3;

+#endif

+	if(!ENGINE_set_id(e, engine_ibmca_id) ||

+		!ENGINE_set_name(e, engine_ibmca_name) ||

+#ifndef OPENSSL_NO_RSA

+		!ENGINE_set_RSA(e, &ibmca_rsa) ||

+#endif

+#ifndef OPENSSL_NO_DSA

+		!ENGINE_set_DSA(e, &ibmca_dsa) ||

+#endif

+#ifndef OPENSSL_NO_DH

+		!ENGINE_set_DH(e, &ibmca_dh) ||

+#endif

+		!ENGINE_set_RAND(e, &ibmca_rand) ||

+		!ENGINE_set_destroy_function(e, ibmca_destroy) ||

+		!ENGINE_set_init_function(e, ibmca_init) ||

+		!ENGINE_set_finish_function(e, ibmca_finish) ||

+		!ENGINE_set_ctrl_function(e, ibmca_ctrl) ||

+		!ENGINE_set_cmd_defns(e, ibmca_cmd_defns))

+		return 0;

+

+#ifndef OPENSSL_NO_RSA

+	/* We know that the "PKCS1_SSLeay()" functions hook properly

+	 * to the ibmca-specific mod_exp and mod_exp_crt so we use

+	 * those functions. NB: We don't use ENGINE_openssl() or

+	 * anything "more generic" because something like the RSAref

+	 * code may not hook properly, and if you own one of these

+	 * cards then you have the right to do RSA operations on it

+	 * anyway! */ 

+	meth1 = RSA_PKCS1_SSLeay();

+	ibmca_rsa.rsa_pub_enc = meth1->rsa_pub_enc;

+	ibmca_rsa.rsa_pub_dec = meth1->rsa_pub_dec;

+	ibmca_rsa.rsa_priv_enc = meth1->rsa_priv_enc;

+	ibmca_rsa.rsa_priv_dec = meth1->rsa_priv_dec;

+#endif

+

+#ifndef OPENSSL_NO_DSA

+	/* Use the DSA_OpenSSL() method and just hook the mod_exp-ish

+	 * bits. */

+	meth2 = DSA_OpenSSL();

+	ibmca_dsa.dsa_do_sign = meth2->dsa_do_sign;

+	ibmca_dsa.dsa_sign_setup = meth2->dsa_sign_setup;

+	ibmca_dsa.dsa_do_verify = meth2->dsa_do_verify;

+#endif

+

+#ifndef OPENSSL_NO_DH

+	/* Much the same for Diffie-Hellman */

+	meth3 = DH_OpenSSL();

+	ibmca_dh.generate_key = meth3->generate_key;

+	ibmca_dh.compute_key = meth3->compute_key;

+#endif

+

+	/* Ensure the ibmca error handling is set up */

+	ERR_load_IBMCA_strings(); 

+	return 1;

+	}

+

+static ENGINE *engine_ibmca(void)

+	{

+	ENGINE *ret = ENGINE_new();

+	if(!ret)

+		return NULL;

+	if(!bind_helper(ret))

+		{

+		ENGINE_free(ret);

+		return NULL;

+		}

+	return ret;

+	}

+

+void ENGINE_load_ibmca(void)

+	{

+	/* Copied from eng_[openssl|dyn].c */

+	ENGINE *toadd = engine_ibmca();

+	if(!toadd) return;

+	ENGINE_add(toadd);

+	ENGINE_free(toadd);

+	ERR_clear_error();

+	}

+

+/* Destructor (complements the "ENGINE_ibmca()" constructor) */

+static int ibmca_destroy(ENGINE *e)

+	{

+	/* Unload the ibmca error strings so any error state including our

+	 * functs or reasons won't lead to a segfault (they simply get displayed

+	 * without corresponding string data because none will be found). */

+        ERR_unload_IBMCA_strings(); 

+	return 1;

+	}

+

+

+/* This is a process-global DSO handle used for loading and unloading

+ * the Ibmca library. NB: This is only set (or unset) during an

+ * init() or finish() call (reference counts permitting) and they're

+ * operating with global locks, so this should be thread-safe

+ * implicitly. */

+

+static DSO *ibmca_dso = NULL;

+

+/* These are the function pointers that are (un)set when the library has

+ * successfully (un)loaded. */

+

+static unsigned int    (ICA_CALL *p_icaOpenAdapter)();

+static unsigned int    (ICA_CALL *p_icaCloseAdapter)();

+static unsigned int    (ICA_CALL *p_icaRsaModExpo)();

+static unsigned int    (ICA_CALL *p_icaRandomNumberGenerate)();

+static unsigned int    (ICA_CALL *p_icaRsaCrt)();

+

+/* utility function to obtain a context */

+static int get_context(ICA_ADAPTER_HANDLE *p_handle)

+        {

+        unsigned int status=0;

+

+        status = p_icaOpenAdapter(0, p_handle);

+        if(status != 0)

+                return 0;

+        return 1;

+        }

+

+/* similarly to release one. */

+static void release_context(ICA_ADAPTER_HANDLE handle)

+        {

+        p_icaCloseAdapter(handle);

+        }

+

+/* (de)initialisation functions. */

+static int ibmca_init(ENGINE *e)

+        {

+

+        void          (*p1)();

+        void          (*p2)();

+        void          (*p3)();

+        void          (*p4)();

+        void          (*p5)();

+

+        if(ibmca_dso != NULL)

+                {

+                IBMCAerr(IBMCA_F_IBMCA_INIT,IBMCA_R_ALREADY_LOADED);

+                goto err;

+                }

+        /* Attempt to load libatasi.so/atasi.dll/whatever. Needs to be

+         * changed unfortunately because the Ibmca drivers don't have

+         * standard library names that can be platform-translated well. */

+        /* TODO: Work out how to actually map to the names the Ibmca

+         * drivers really use - for now a symbollic link needs to be

+         * created on the host system from libatasi.so to atasi.so on

+         * unix variants. */

+

+	/* WJH XXX check name translation */

+

+        ibmca_dso = DSO_load(NULL, IBMCA_LIBNAME, NULL,

+			     /* DSO_FLAG_NAME_TRANSLATION */ 0);

+        if(ibmca_dso == NULL)

+                {

+                IBMCAerr(IBMCA_F_IBMCA_INIT,IBMCA_R_DSO_FAILURE);

+                goto err;

+                }

+

+        if(!(p1 = DSO_bind_func(

+                ibmca_dso, IBMCA_F1)) ||

+                !(p2 = DSO_bind_func(

+                        ibmca_dso, IBMCA_F2)) ||

+                !(p3 = DSO_bind_func(

+                        ibmca_dso, IBMCA_F3)) ||

+                !(p4 = DSO_bind_func(

+                        ibmca_dso, IBMCA_F4)) ||

+                !(p5 = DSO_bind_func(

+                        ibmca_dso, IBMCA_F5)))

+                {

+                IBMCAerr(IBMCA_F_IBMCA_INIT,IBMCA_R_DSO_FAILURE);

+                goto err;

+                }

+

+        /* Copy the pointers */

+

+	p_icaOpenAdapter =           (unsigned int (ICA_CALL *)())p1;

+	p_icaCloseAdapter =          (unsigned int (ICA_CALL *)())p2;

+	p_icaRsaModExpo =            (unsigned int (ICA_CALL *)())p3;

+	p_icaRandomNumberGenerate =  (unsigned int (ICA_CALL *)())p4;

+	p_icaRsaCrt =                (unsigned int (ICA_CALL *)())p5;

+

+        if(!get_context(&handle))

+                {

+                IBMCAerr(IBMCA_F_IBMCA_INIT,IBMCA_R_UNIT_FAILURE);

+                goto err;

+                }

+

+        return 1;

+ err:

+        if(ibmca_dso)

+                DSO_free(ibmca_dso);

+

+        p_icaOpenAdapter = NULL;

+        p_icaCloseAdapter = NULL;

+        p_icaRsaModExpo = NULL;

+        p_icaRandomNumberGenerate = NULL;

+

+        return 0;

+        }

+

+static int ibmca_finish(ENGINE *e)

+        {

+        if(ibmca_dso == NULL)

+                {

+                IBMCAerr(IBMCA_F_IBMCA_FINISH,IBMCA_R_NOT_LOADED);

+                return 0;

+                }

+        release_context(handle);

+        if(!DSO_free(ibmca_dso))

+                {

+                IBMCAerr(IBMCA_F_IBMCA_FINISH,IBMCA_R_DSO_FAILURE);

+                return 0;

+                }

+        ibmca_dso = NULL;

+

+        return 1;

+        }

+

+static int ibmca_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())

+	{

+	int initialised = ((ibmca_dso == NULL) ? 0 : 1);

+	switch(cmd)

+		{

+	case IBMCA_CMD_SO_PATH:

+		if(p == NULL)

+			{

+			IBMCAerr(IBMCA_F_IBMCA_CTRL,ERR_R_PASSED_NULL_PARAMETER);

+			return 0;

+			}

+		if(initialised)

+			{

+			IBMCAerr(IBMCA_F_IBMCA_CTRL,IBMCA_R_ALREADY_LOADED);

+			return 0;

+			}

+		IBMCA_LIBNAME = (const char *)p;

+		return 1;

+	default:

+		break;

+		}

+	IBMCAerr(IBMCA_F_IBMCA_CTRL,IBMCA_R_CTRL_COMMAND_NOT_IMPLEMENTED);

+	return 0;

+	}

+

+

+static int ibmca_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,

+        const BIGNUM *m, BN_CTX *ctx)

+        {

+        /* I need somewhere to store temporary serialised values for

+         * use with the Ibmca API calls. A neat cheat - I'll use

+         * BIGNUMs from the BN_CTX but access their arrays directly as

+         * byte arrays <grin>. This way I don't have to clean anything

+         * up. */

+

+        BIGNUM *argument=NULL;

+        BIGNUM *result=NULL;

+        BIGNUM *key=NULL;

+        int to_return;

+	int inLen, outLen, tmpLen;

+

+

+        ICA_KEY_RSA_MODEXPO *publKey=NULL;

+        unsigned int rc;

+

+        to_return = 0; /* expect failure */

+

+        if(!ibmca_dso)

+                {

+                IBMCAerr(IBMCA_F_IBMCA_MOD_EXP,IBMCA_R_NOT_LOADED);

+                goto err;

+                }

+        /* Prepare the params */

+	BN_CTX_start(ctx);

+        argument = BN_CTX_get(ctx);

+        result = BN_CTX_get(ctx);

+        key = BN_CTX_get(ctx);

+

+        if( !argument || !result || !key)

+                {

+                IBMCAerr(IBMCA_F_IBMCA_MOD_EXP,IBMCA_R_BN_CTX_FULL);

+                goto err;

+                }

+

+

+	if(!bn_wexpand(argument, m->top) || !bn_wexpand(result, m->top) ||

+                !bn_wexpand(key, sizeof(*publKey)/BN_BYTES))

+

+                {

+                IBMCAerr(IBMCA_F_IBMCA_MOD_EXP,IBMCA_R_BN_EXPAND_FAIL);

+                goto err;

+                }

+

+        publKey = (ICA_KEY_RSA_MODEXPO *)key->d;

+

+        if (publKey == NULL)

+                {

+                goto err;

+                }

+        memset(publKey, 0, sizeof(ICA_KEY_RSA_MODEXPO));

+

+        publKey->keyType   =  CORRECT_ENDIANNESS(ME_KEY_TYPE);

+        publKey->keyLength =  CORRECT_ENDIANNESS(sizeof(ICA_KEY_RSA_MODEXPO));

+        publKey->expOffset =  (char *) publKey->keyRecord - (char *) publKey;

+

+        /* A quirk of the card: the exponent length has to be the same

+     as the modulus (key) length */

+

+	outLen = BN_num_bytes(m);

+

+/* check for modulus length SAB*/

+	if (outLen > 256 ) {

+		IBMCAerr(IBMCA_F_IBMCA_MOD_EXP,IBMCA_R_MEXP_LENGTH_TO_LARGE);

+		goto err;

+	}

+/* check for modulus length SAB*/

+

+

+	publKey->expLength = publKey->nLength = outLen;

+/* SAB Check for underflow condition

+    the size of the exponent is less than the size of the parameter

+    then we have a big problem and will underflow the keyRecord

+   buffer.  Bad stuff could happen then

+*/

+if (outLen < BN_num_bytes(p)){

+	IBMCAerr(IBMCA_F_IBMCA_MOD_EXP,IBMCA_R_UNDERFLOW_KEYRECORD);

+	goto err;

+}

+/* SAB End check for underflow */

+

+

+        BN_bn2bin(p, &publKey->keyRecord[publKey->expLength -

+                BN_num_bytes(p)]);

+        BN_bn2bin(m, &publKey->keyRecord[publKey->expLength]);

+

+

+

+        publKey->modulusBitLength = CORRECT_ENDIANNESS(publKey->nLength * 8);

+        publKey->nOffset   = CORRECT_ENDIANNESS(publKey->expOffset + 

+						publKey->expLength);

+

+        publKey->expOffset = CORRECT_ENDIANNESS((char *) publKey->keyRecord - 

+						(char *) publKey);

+

+	tmpLen = outLen;

+	publKey->expLength = publKey->nLength = CORRECT_ENDIANNESS(tmpLen);

+

+  /* Prepare the argument */

+

+	memset(argument->d, 0, outLen);

+	BN_bn2bin(a, (unsigned char *)argument->d + outLen -

+                 BN_num_bytes(a));

+

+	inLen = outLen;

+

+  /* Perform the operation */

+

+          if( (rc = p_icaRsaModExpo(handle, inLen,(unsigned char *)argument->d,

+                publKey, &outLen, (unsigned char *)result->d))

+                !=0 )

+

+                {

+                printf("rc = %d\n", rc);

+                IBMCAerr(IBMCA_F_IBMCA_MOD_EXP,IBMCA_R_REQUEST_FAILED);

+                goto err;

+                }

+

+

+        /* Convert the response */

+        BN_bin2bn((unsigned char *)result->d, outLen, r);

+        to_return = 1;

+ err:

+	BN_CTX_end(ctx);

+        return to_return;

+        }

+

+#ifndef OPENSSL_NO_RSA 

+static int ibmca_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)

+        {

+        BN_CTX *ctx;

+        int to_return = 0;

+

+        if((ctx = BN_CTX_new()) == NULL)

+                goto err;

+        if(!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp)

+                {

+                if(!rsa->d || !rsa->n)

+                        {

+                        IBMCAerr(IBMCA_F_IBMCA_RSA_MOD_EXP,

+                                IBMCA_R_MISSING_KEY_COMPONENTS);

+                        goto err;

+                        }

+                to_return = ibmca_mod_exp(r0, I, rsa->d, rsa->n, ctx);

+                }

+        else

+                {

+                to_return = ibmca_mod_exp_crt(r0, I, rsa->p, rsa->q, rsa->dmp1,

+                        rsa->dmq1, rsa->iqmp, ctx);

+                }

+ err:

+        if(ctx)

+                BN_CTX_free(ctx);

+        return to_return;

+        }

+#endif

+

+/* Ein kleines chinesisches "Restessen"  */

+static int ibmca_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,

+        const BIGNUM *q, const BIGNUM *dmp1,

+        const BIGNUM *dmq1, const BIGNUM *iqmp, BN_CTX *ctx)

+        {

+

+        BIGNUM *argument = NULL;

+        BIGNUM *result = NULL;

+        BIGNUM *key = NULL;

+

+        int to_return = 0; /* expect failure */

+

+        char                *pkey=NULL;

+        ICA_KEY_RSA_CRT     *privKey=NULL;

+        int inLen, outLen;

+

+        int rc;

+        unsigned int        offset, pSize, qSize;

+/* SAB New variables */

+	unsigned int keyRecordSize;

+	unsigned int pbytes = BN_num_bytes(p);

+	unsigned int qbytes = BN_num_bytes(q);

+	unsigned int dmp1bytes = BN_num_bytes(dmp1);

+	unsigned int dmq1bytes = BN_num_bytes(dmq1);

+	unsigned int iqmpbytes = BN_num_bytes(iqmp);

+

+        /* Prepare the params */

+

+	BN_CTX_start(ctx);

+        argument = BN_CTX_get(ctx);

+        result = BN_CTX_get(ctx);

+        key = BN_CTX_get(ctx);

+

+        if(!argument || !result || !key)

+                {

+                IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_BN_CTX_FULL);

+                goto err;

+                }

+

+	if(!bn_wexpand(argument, p->top + q->top) ||

+                !bn_wexpand(result, p->top + q->top) ||

+                !bn_wexpand(key, sizeof(*privKey)/BN_BYTES ))

+                {

+                IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_BN_EXPAND_FAIL);

+                goto err;

+                }

+

+

+        privKey = (ICA_KEY_RSA_CRT *)key->d;

+/* SAB Add check for total size in bytes of the parms does not exceed

+   the buffer space we have

+   do this first

+*/

+      keyRecordSize = pbytes+qbytes+dmp1bytes+dmq1bytes+iqmpbytes;

+     if (  keyRecordSize > sizeof(privKey->keyRecord )) {

+	 IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_OPERANDS_TO_LARGE);

+         goto err;

+     }

+

+     if ( (qbytes + dmq1bytes)  > 256 ){

+	 IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_OPERANDS_TO_LARGE);

+         goto err;

+     }

+

+     if ( pbytes + dmp1bytes > 256 ) {

+	 IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_OPERANDS_TO_LARGE);

+         goto err;

+     }

+

+/* end SAB additions */

+  

+        memset(privKey, 0, sizeof(ICA_KEY_RSA_CRT));

+        privKey->keyType =  CORRECT_ENDIANNESS(CRT_KEY_TYPE);

+        privKey->keyLength = CORRECT_ENDIANNESS(sizeof(ICA_KEY_RSA_CRT));

+        privKey->modulusBitLength = 

+	  CORRECT_ENDIANNESS(BN_num_bytes(q) * 2 * 8);

+

+        /*

+         * p,dp & qInv are 1 QWORD Larger

+         */

+        privKey->pLength = CORRECT_ENDIANNESS(BN_num_bytes(p)+8);

+        privKey->qLength = CORRECT_ENDIANNESS(BN_num_bytes(q));

+        privKey->dpLength = CORRECT_ENDIANNESS(BN_num_bytes(dmp1)+8);

+        privKey->dqLength = CORRECT_ENDIANNESS(BN_num_bytes(dmq1));

+        privKey->qInvLength = CORRECT_ENDIANNESS(BN_num_bytes(iqmp)+8);

+

+        offset = (char *) privKey->keyRecord

+                  - (char *) privKey;

+

+        qSize = BN_num_bytes(q);

+        pSize = qSize + 8;   /*  1 QWORD larger */

+

+

+/* SAB  probably aittle redundant, but we'll verify that each of the

+   components which make up a key record sent ot the card does not exceed

+   the space that is allocated for it.  this handles the case where even if

+   the total length does not exceed keyrecord zied, if the operands are funny sized

+they could cause potential side affects on either the card or the result */

+

+     if ( (pbytes > pSize) || (dmp1bytes > pSize) ||

+          (iqmpbytes > pSize) || ( qbytes >qSize) ||

+          (dmq1bytes > qSize) ) {

+		IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_OPERANDS_TO_LARGE);

+		goto err;

+

+	}

+     

+

+        privKey->dpOffset = CORRECT_ENDIANNESS(offset);

+

+	offset += pSize;

+	privKey->dqOffset = CORRECT_ENDIANNESS(offset);

+

+	offset += qSize;

+	privKey->pOffset = CORRECT_ENDIANNESS(offset);

+

+	offset += pSize;

+	privKey->qOffset = CORRECT_ENDIANNESS(offset);

+

+	offset += qSize;

+	privKey->qInvOffset = CORRECT_ENDIANNESS(offset);

+

+        pkey = (char *) privKey->keyRecord;

+

+

+/* SAB first check that we don;t under flow the buffer */

+	if ( pSize < pbytes ) {

+		IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT, IBMCA_R_UNDERFLOW_CONDITION);

+		goto err;

+	}

+

+        /* pkey += pSize - BN_num_bytes(p); WROING this should be dmp1) */

+        pkey += pSize - BN_num_bytes(dmp1);

+        BN_bn2bin(dmp1, pkey);   

+        pkey += BN_num_bytes(dmp1);  /* move the pointer */

+

+        BN_bn2bin(dmq1, pkey);  /* Copy over dmq1 */

+

+        pkey += qSize;     /* move pointer */

+	pkey += pSize - BN_num_bytes(p);  /* set up for zero padding of next field */

+

+        BN_bn2bin(p, pkey);

+        pkey += BN_num_bytes(p);  /* increment pointer by number of bytes moved  */

+

+        BN_bn2bin(q, pkey);

+        pkey += qSize ;  /* move the pointer */

+	pkey +=  pSize - BN_num_bytes(iqmp); /* Adjust for padding */

+        BN_bn2bin(iqmp, pkey);

+

+        /* Prepare the argument and response */

+

+	outLen = CORRECT_ENDIANNESS(privKey->qLength) * 2;  /* Correct endianess is used 

+						because the fields were converted above */

+

+        if (outLen > 256) {

+		IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_OUTLEN_TO_LARGE);

+		goto err;

+	}

+

+	/* SAB check for underflow here on the argeument */

+	if ( outLen < BN_num_bytes(a)) {

+		IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_UNDERFLOW_CONDITION);

+		goto err;

+	}

+

+        BN_bn2bin(a, (unsigned char *)argument->d + outLen -

+                          BN_num_bytes(a));

+        inLen = outLen;

+

+        memset(result->d, 0, outLen);

+

+        /* Perform the operation */

+

+        if ( (rc = p_icaRsaCrt(handle, inLen, (unsigned char *)argument->d,

+                privKey, &outLen, (unsigned char *)result->d)) != 0)

+                {

+                printf("rc = %d\n", rc);

+                IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_REQUEST_FAILED);

+                goto err;

+                }

+

+        /* Convert the response */

+

+        BN_bin2bn((unsigned char *)result->d, outLen, r);

+        to_return = 1;

+

+ err:

+	BN_CTX_end(ctx);

+        return to_return;

+

+        }

+

+#ifndef OPENSSL_NO_DSA

+/* This code was liberated and adapted from the commented-out code in

+ * dsa_ossl.c. Because of the unoptimised form of the Ibmca acceleration

+ * (it doesn't have a CRT form for RSA), this function means that an

+ * Ibmca system running with a DSA server certificate can handshake

+ * around 5 or 6 times faster/more than an equivalent system running with

+ * RSA. Just check out the "signs" statistics from the RSA and DSA parts

+ * of "openssl speed -engine ibmca dsa1024 rsa1024". */

+static int ibmca_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,

+        BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,

+        BN_CTX *ctx, BN_MONT_CTX *in_mont)

+        {

+        BIGNUM t;

+        int to_return = 0;

+

+        BN_init(&t);

+        /* let rr = a1 ^ p1 mod m */

+        if (!ibmca_mod_exp(rr,a1,p1,m,ctx)) goto end;

+        /* let t = a2 ^ p2 mod m */

+        if (!ibmca_mod_exp(&t,a2,p2,m,ctx)) goto end;

+        /* let rr = rr * t mod m */

+        if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;

+        to_return = 1;

+ end:

+        BN_free(&t);

+        return to_return;

+        }

+

+

+static int ibmca_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,

+        const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,

+        BN_MONT_CTX *m_ctx)

+        {

+        return ibmca_mod_exp(r, a, p, m, ctx);

+        }

+#endif

+

+/* This function is aliased to mod_exp (with the mont stuff dropped). */

+static int ibmca_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,

+        const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)

+        {

+        return ibmca_mod_exp(r, a, p, m, ctx);

+        }

+

+#ifndef OPENSSL_NO_DH 

+/* This function is aliased to mod_exp (with the dh and mont dropped). */

+static int ibmca_mod_exp_dh(DH const *dh, BIGNUM *r, 

+	const BIGNUM *a, const BIGNUM *p, 

+	const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)

+        {

+        return ibmca_mod_exp(r, a, p, m, ctx);

+        }

+#endif

+

+/* Random bytes are good */

+static int ibmca_rand_bytes(unsigned char *buf, int num)

+        {

+        int to_return = 0; /* assume failure */

+        unsigned int ret;

+

+

+        if(handle == 0)

+                {

+                IBMCAerr(IBMCA_F_IBMCA_RAND_BYTES,IBMCA_R_NOT_INITIALISED);

+                goto err;

+                }

+

+        ret = p_icaRandomNumberGenerate(handle, num, buf);

+        if (ret < 0)

+                {

+                IBMCAerr(IBMCA_F_IBMCA_RAND_BYTES,IBMCA_R_REQUEST_FAILED);

+                goto err;

+                }

+        to_return = 1;

+ err:

+        return to_return;

+        }

+

+static int ibmca_rand_status(void)

+        {

+        return 1;

+        }

+

+/* This stuff is needed if this ENGINE is being compiled into a self-contained

+ * shared-library. */

+#ifdef ENGINE_DYNAMIC_SUPPORT

+static int bind_fn(ENGINE *e, const char *id)

+	{

+	if(id && (strcmp(id, engine_ibmca_id) != 0))  /* WJH XXX */

+		return 0;

+	if(!bind_helper(e))

+		return 0;

+	return 1;

+	}

+IMPLEMENT_DYNAMIC_CHECK_FN()

+IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)

+#endif /* ENGINE_DYNAMIC_SUPPORT */

+

+

+#endif /* !OPENSSL_NO_HW_IBMCA */

+#endif /* !OPENSSL_NO_HW */

diff --git a/demos/engines/ibmca/hw_ibmca.ec b/demos/engines/ibmca/hw_ibmca.ec
new file mode 100644
index 0000000000..f68646d237
--- /dev/null
+++ b/demos/engines/ibmca/hw_ibmca.ec
@@ -0,0 +1,8 @@
+# configuration file for util/mkerr.pl
+#
+# use like this:
+#
+#	perl ../../../util/mkerr.pl -conf hw_ibmca.ec \
+#		-nostatic -staticloader -write *.c
+
+L IBMCA		hw_ibmca_err.h			hw_ibmca_err.c
diff --git a/demos/engines/ibmca/hw_ibmca_err.c b/demos/engines/ibmca/hw_ibmca_err.c
new file mode 100644
index 0000000000..c4053f6d30
--- /dev/null
+++ b/demos/engines/ibmca/hw_ibmca_err.c
@@ -0,0 +1,154 @@
+/* hw_ibmca_err.c */
+/* ====================================================================
+ * Copyright (c) 1999-2002 The OpenSSL Project.  All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+/* NOTE: this file was auto generated by the mkerr.pl script: any changes
+ * made to it will be overwritten when the script next updates this file,
+ * only reason strings will be preserved.
+ */
+
+#include <stdio.h>
+#include <openssl/err.h>
+#include "hw_ibmca_err.h"
+
+/* BEGIN ERROR CODES */
+#ifndef OPENSSL_NO_ERR
+static ERR_STRING_DATA IBMCA_str_functs[]=
+	{
+{ERR_PACK(0,IBMCA_F_IBMCA_CTRL,0),	"IBMCA_CTRL"},
+{ERR_PACK(0,IBMCA_F_IBMCA_FINISH,0),	"IBMCA_FINISH"},
+{ERR_PACK(0,IBMCA_F_IBMCA_INIT,0),	"IBMCA_INIT"},
+{ERR_PACK(0,IBMCA_F_IBMCA_MOD_EXP,0),	"IBMCA_MOD_EXP"},
+{ERR_PACK(0,IBMCA_F_IBMCA_MOD_EXP_CRT,0),	"IBMCA_MOD_EXP_CRT"},
+{ERR_PACK(0,IBMCA_F_IBMCA_RAND_BYTES,0),	"IBMCA_RAND_BYTES"},
+{ERR_PACK(0,IBMCA_F_IBMCA_RSA_MOD_EXP,0),	"IBMCA_RSA_MOD_EXP"},
+{0,NULL}
+	};
+
+static ERR_STRING_DATA IBMCA_str_reasons[]=
+	{
+{IBMCA_R_ALREADY_LOADED                  ,"already loaded"},
+{IBMCA_R_BN_CTX_FULL                     ,"bn ctx full"},
+{IBMCA_R_BN_EXPAND_FAIL                  ,"bn expand fail"},
+{IBMCA_R_CTRL_COMMAND_NOT_IMPLEMENTED    ,"ctrl command not implemented"},
+{IBMCA_R_DSO_FAILURE                     ,"dso failure"},
+{IBMCA_R_MEXP_LENGTH_TO_LARGE            ,"mexp length to large"},
+{IBMCA_R_MISSING_KEY_COMPONENTS          ,"missing key components"},
+{IBMCA_R_NOT_INITIALISED                 ,"not initialised"},
+{IBMCA_R_NOT_LOADED                      ,"not loaded"},
+{IBMCA_R_OPERANDS_TO_LARGE               ,"operands to large"},
+{IBMCA_R_OUTLEN_TO_LARGE                 ,"outlen to large"},
+{IBMCA_R_REQUEST_FAILED                  ,"request failed"},
+{IBMCA_R_UNDERFLOW_CONDITION             ,"underflow condition"},
+{IBMCA_R_UNDERFLOW_KEYRECORD             ,"underflow keyrecord"},
+{IBMCA_R_UNIT_FAILURE                    ,"unit failure"},
+{0,NULL}
+	};
+
+#endif
+
+#ifdef IBMCA_LIB_NAME
+static ERR_STRING_DATA IBMCA_lib_name[]=
+        {
+{0	,IBMCA_LIB_NAME},
+{0,NULL}
+	};
+#endif
+
+
+static int IBMCA_lib_error_code=0;
+static int IBMCA_error_init=1;
+
+static void ERR_load_IBMCA_strings(void)
+	{
+	if (IBMCA_lib_error_code == 0)
+		IBMCA_lib_error_code=ERR_get_next_error_library();
+
+	if (IBMCA_error_init)
+		{
+		IBMCA_error_init=0;
+#ifndef OPENSSL_NO_ERR
+		ERR_load_strings(IBMCA_lib_error_code,IBMCA_str_functs);
+		ERR_load_strings(IBMCA_lib_error_code,IBMCA_str_reasons);
+#endif
+
+#ifdef IBMCA_LIB_NAME
+		IBMCA_lib_name->error = ERR_PACK(IBMCA_lib_error_code,0,0);
+		ERR_load_strings(0,IBMCA_lib_name);
+#endif
+		}
+	}
+
+static void ERR_unload_IBMCA_strings(void)
+	{
+	if (IBMCA_error_init == 0)
+		{
+#ifndef OPENSSL_NO_ERR
+		ERR_unload_strings(IBMCA_lib_error_code,IBMCA_str_functs);
+		ERR_unload_strings(IBMCA_lib_error_code,IBMCA_str_reasons);
+#endif
+
+#ifdef IBMCA_LIB_NAME
+		ERR_unload_strings(0,IBMCA_lib_name);
+#endif
+		IBMCA_error_init=1;
+		}
+	}
+
+static void ERR_IBMCA_error(int function, int reason, char *file, int line)
+	{
+	if (IBMCA_lib_error_code == 0)
+		IBMCA_lib_error_code=ERR_get_next_error_library();
+	ERR_PUT_error(IBMCA_lib_error_code,function,reason,file,line);
+	}
diff --git a/demos/engines/ibmca/hw_ibmca_err.h b/demos/engines/ibmca/hw_ibmca_err.h
new file mode 100644
index 0000000000..da64bde5f2
--- /dev/null
+++ b/demos/engines/ibmca/hw_ibmca_err.h
@@ -0,0 +1,98 @@
+/* ====================================================================
+ * Copyright (c) 2001-2002 The OpenSSL Project.  All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#ifndef HEADER_IBMCA_ERR_H
+#define HEADER_IBMCA_ERR_H
+
+/* BEGIN ERROR CODES */
+/* The following lines are auto generated by the script mkerr.pl. Any changes
+ * made after this point may be overwritten when the script is next run.
+ */
+static void ERR_load_IBMCA_strings(void);
+static void ERR_unload_IBMCA_strings(void);
+static void ERR_IBMCA_error(int function, int reason, char *file, int line);
+#define IBMCAerr(f,r) ERR_IBMCA_error((f),(r),__FILE__,__LINE__)
+
+/* Error codes for the IBMCA functions. */
+
+/* Function codes. */
+#define IBMCA_F_IBMCA_CTRL				 100
+#define IBMCA_F_IBMCA_FINISH				 101
+#define IBMCA_F_IBMCA_INIT				 102
+#define IBMCA_F_IBMCA_MOD_EXP				 103
+#define IBMCA_F_IBMCA_MOD_EXP_CRT			 104
+#define IBMCA_F_IBMCA_RAND_BYTES			 105
+#define IBMCA_F_IBMCA_RSA_MOD_EXP			 106
+
+/* Reason codes. */
+#define IBMCA_R_ALREADY_LOADED				 100
+#define IBMCA_R_BN_CTX_FULL				 101
+#define IBMCA_R_BN_EXPAND_FAIL				 102
+#define IBMCA_R_CTRL_COMMAND_NOT_IMPLEMENTED		 103
+#define IBMCA_R_DSO_FAILURE				 104
+#define IBMCA_R_MEXP_LENGTH_TO_LARGE			 105
+#define IBMCA_R_MISSING_KEY_COMPONENTS			 106
+#define IBMCA_R_NOT_INITIALISED				 107
+#define IBMCA_R_NOT_LOADED				 108
+#define IBMCA_R_OPERANDS_TO_LARGE			 109
+#define IBMCA_R_OUTLEN_TO_LARGE				 110
+#define IBMCA_R_REQUEST_FAILED				 111
+#define IBMCA_R_UNDERFLOW_CONDITION			 112
+#define IBMCA_R_UNDERFLOW_KEYRECORD			 113
+#define IBMCA_R_UNIT_FAILURE				 114
+
+#ifdef  __cplusplus
+}
+#endif
+#endif
diff --git a/demos/engines/ibmca/ica_openssl_api.h b/demos/engines/ibmca/ica_openssl_api.h
new file mode 100644
index 0000000000..c77e0fd5c0
--- /dev/null
+++ b/demos/engines/ibmca/ica_openssl_api.h
@@ -0,0 +1,189 @@
+
+#ifndef __ICA_OPENSSL_API_H__
+#define __ICA_OPENSSL_API_H__
+
+/**
+ ** abstract data types for API
+ **/
+
+#define ICA_ADAPTER_HANDLE int
+
+#if defined(linux) || defined (_AIX)
+#define ICA_CALL 
+#endif
+
+#if defined(WIN32) || defined(_WIN32)
+#define ICA_CALL  __stdcall
+#endif
+
+/*------------------------------------------------*
+ | RSA defines and typedefs                       |
+ *------------------------------------------------*/
+ /*
+ * All data elements of the RSA key are in big-endian format
+ * Modulus-Exponent form of key
+ *
+ */
+ #define MAX_EXP_SIZE 256
+ #define MAX_MODULUS_SIZE 256
+ #define MAX_MODEXP_SIZE  (MAX_EXP_SIZE + MAX_MODULUS_SIZE)
+
+ #define MAX_OPERAND_SIZE  MAX_EXP_SIZE
+
+ typedef unsigned char ICA_KEY_RSA_MODEXPO_REC[MAX_MODEXP_SIZE];
+ /*
+ * All data elements of the RSA key are in big-endian format
+ * Chinese Remainder Thereom(CRT) form of key
+ * Used only for Decrypt, the encrypt form is typically Modulus-Exponent
+ *
+ */
+ #define MAX_BP_SIZE 136
+ #define MAX_BQ_SIZE 128
+ #define MAX_NP_SIZE 136
+ #define MAX_NQ_SIZE 128
+ #define MAX_QINV_SIZE 136
+ #define MAX_RSACRT_SIZE (MAX_BP_SIZE+MAX_BQ_SIZE+MAX_NP_SIZE+MAX_NQ_SIZE+MAX_QINV_SIZE)
+
+#define RSA_GEN_OPERAND_MAX   256 /* bytes */
+
+typedef unsigned char ICA_KEY_RSA_CRT_REC[MAX_RSACRT_SIZE];
+/*------------------------------------------------*
+ | RSA key token types                            |
+ *------------------------------------------------*/
+
+#define  RSA_PUBLIC_MODULUS_EXPONENT        3
+#define  RSA_PKCS_PRIVATE_CHINESE_REMAINDER 6
+
+#define KEYTYPE_MODEXPO         1
+#define KEYTYPE_PKCSCRT         2
+
+
+/*------------------------------------------------*
+ | RSA Key Token format                           |
+ *------------------------------------------------*/
+
+/*
+ * NOTE:  All the fields in the ICA_KEY_RSA_MODEXPO structure
+ *        (lengths, offsets, exponents, modulus, etc.) are
+ *        stored in big-endian format
+ */
+
+typedef struct _ICA_KEY_RSA_MODEXPO
+{   unsigned int  keyType;             /* RSA key type.               */
+    unsigned int  keyLength;           /* Total length of the token.  */
+    unsigned int  modulusBitLength;    /* Modulus n bit length.       */
+                                       /* -- Start of the data length.*/
+    unsigned int  nLength;             /* Modulus n = p * q           */
+    unsigned int  expLength;           /* exponent (public or private)*/
+                                       /*   e = 1/d * mod(p-1)(q-1)   */
+                                       /* -- Start of the data offsets*/
+    unsigned int  nOffset;             /* Modulus n .                 */
+    unsigned int  expOffset;           /* exponent (public or private)*/
+    unsigned char reserved[112];       /* reserved area               */
+                                       /* -- Start of the variable -- */
+                                       /* -- length token data.    -- */
+    ICA_KEY_RSA_MODEXPO_REC keyRecord;
+} ICA_KEY_RSA_MODEXPO;
+#define SZ_HEADER_MODEXPO (sizeof(ICA_KEY_RSA_MODEXPO) - sizeof(ICA_KEY_RSA_MODEXPO_REC))
+
+/*
+ * NOTE:  All the fields in the ICA_KEY_RSA_CRT structure
+ *        (lengths, offsets, exponents, modulus, etc.) are
+ *        stored in big-endian format
+ */
+
+typedef struct _ICA_KEY_RSA_CRT
+{   unsigned int  keyType;             /* RSA key type.               */
+    unsigned int  keyLength;           /* Total length of the token.  */
+    unsigned int  modulusBitLength;    /* Modulus n bit length.       */
+                                       /* -- Start of the data length.*/
+#if _AIX
+    unsigned int  nLength;             /* Modulus n = p * q           */
+#endif
+    unsigned int  pLength;             /* Prime number p .            */
+    unsigned int  qLength;             /* Prime number q .            */
+    unsigned int  dpLength;            /* dp = d * mod(p-1) .         */
+    unsigned int  dqLength;            /* dq = d * mod(q-1) .         */
+    unsigned int  qInvLength;          /* PKCS: qInv = Ap/q           */
+                                       /* -- Start of the data offsets*/
+#if _AIX
+    unsigned int  nOffset;             /* Modulus n .                 */
+#endif
+    unsigned int  pOffset;             /* Prime number p .            */
+    unsigned int  qOffset;             /* Prime number q .            */
+    unsigned int  dpOffset;            /* dp .                        */
+    unsigned int  dqOffset;            /* dq .                        */
+    unsigned int  qInvOffset;          /* qInv for PKCS               */
+#if _AIX
+    unsigned char reserved[80];        /* reserved area               */
+#else
+    unsigned char reserved[88];        /* reserved area               */
+#endif
+                                       /* -- Start of the variable -- */
+                                       /* -- length token data.    -- */
+    ICA_KEY_RSA_CRT_REC keyRecord;
+} ICA_KEY_RSA_CRT;
+#define SZ_HEADER_CRT (sizeof(ICA_KEY_RSA_CRT) - sizeof(ICA_KEY_RSA_CRT_REC))
+
+unsigned int
+icaOpenAdapter( unsigned int        adapterId,
+	        ICA_ADAPTER_HANDLE *pAdapterHandle );
+
+unsigned int
+icaCloseAdapter( ICA_ADAPTER_HANDLE adapterHandle );
+
+unsigned int
+icaRsaModExpo( ICA_ADAPTER_HANDLE    hAdapterHandle,
+	       unsigned int          inputDataLength,
+	       unsigned char        *pInputData,
+	       ICA_KEY_RSA_MODEXPO  *pKeyModExpo,
+	       unsigned int         *pOutputDataLength,
+	       unsigned char        *pOutputData );
+
+unsigned int
+icaRsaCrt( ICA_ADAPTER_HANDLE     hAdapterHandle,
+	   unsigned int           inputDataLength,
+	   unsigned char         *pInputData,
+	   ICA_KEY_RSA_CRT       *pKeyCrt,
+	   unsigned int          *pOutputDataLength,
+	   unsigned char         *pOutputData );
+
+unsigned int
+icaRandomNumberGenerate( ICA_ADAPTER_HANDLE  hAdapterHandle,
+			 unsigned int        outputDataLength,
+			 unsigned char      *pOutputData );
+
+/* Specific macros and definitions to not have IFDEF;s all over the
+   main code */
+
+#if (_AIX)
+static const char *IBMCA_LIBNAME = "/lib/libica.a(shr.o)";
+#elif (WIN32)
+static const char *IBMCA_LIBNAME = "cryptica";
+#else
+static const char *IBMCA_LIBNAME = "ica";
+#endif
+
+#if (WIN32)
+/*
+ The ICA_KEY_RSA_MODEXPO & ICA_KEY_RSA_CRT lengths and
+ offsets must be in big-endian format.
+
+*/
+#define CORRECT_ENDIANNESS(b) (  \
+                             (((unsigned long) (b) & 0x000000ff) << 24) |  \
+                             (((unsigned long) (b) & 0x0000ff00) <<  8) |  \
+                             (((unsigned long) (b) & 0x00ff0000) >>  8) |  \
+                             (((unsigned long) (b) & 0xff000000) >> 24)    \
+                             )
+#define CRT_KEY_TYPE   RSA_PKCS_PRIVATE_CHINESE_REMAINDER
+#define ME_KEY_TYPE    RSA_PUBLIC_MODULUS_EXPONENT
+#else
+#define CORRECT_ENDIANNESS(b) (b)
+#define CRT_KEY_TYPE       KEYTYPE_PKCSCRT
+#define ME_KEY_TYPE        KEYTYPE_MODEXPO
+#endif
+
+
+
+#endif   /* __ICA_OPENSSL_API_H__ */
diff --git a/demos/engines/zencod/Makefile b/demos/engines/zencod/Makefile
new file mode 100644
index 0000000000..5b6a339ab2
--- /dev/null
+++ b/demos/engines/zencod/Makefile
@@ -0,0 +1,114 @@
+LIBNAME=	libzencod
+SRC=		hw_zencod.c
+OBJ=		hw_zencod.o
+HEADER=		hw_zencod.h
+
+CC=		gcc
+PIC=		-fPIC
+CFLAGS=		-g -I../../../include $(PIC) -DENGINE_DYNAMIC_SUPPORT -DFLAT_INC
+AR=		ar r
+RANLIB=		ranlib
+
+LIB=		$(LIBNAME).a
+SHLIB=		$(LIBNAME).so
+
+all:
+		@echo 'Please choose a system to build on:'
+		@echo ''
+		@echo 'tru64:    Tru64 Unix, Digital Unix, Digital OSF/1'
+		@echo 'solaris:  Solaris'
+		@echo 'irix:     IRIX'
+		@echo 'hpux32:   32-bit HP/UX'
+		@echo 'hpux64:   64-bit HP/UX'
+		@echo 'aix:      AIX'
+		@echo 'gnu:      Generic GNU-based system (gcc and GNU ld)'
+		@echo ''
+
+FORCE.update:
+update:		FORCE.update
+		perl ../../../util/mkerr.pl -conf hw_zencod.ec \
+			-nostatic -staticloader -write hw_zencod.c
+
+gnu:		$(SHLIB).gnu
+tru64:		$(SHLIB).tru64
+solaris:	$(SHLIB).solaris
+irix:		$(SHLIB).irix
+hpux32:		$(SHLIB).hpux32
+hpux64:		$(SHLIB).hpux64
+aix:		$(SHLIB).aix
+
+$(LIB):		$(OBJ)
+		$(AR) $(LIB) $(OBJ)
+		- $(RANLIB) $(LIB)
+
+LINK_SO=	\
+  ld -r -o $(LIBNAME).o $$ALLSYMSFLAGS $(LIB) && \
+  (nm -Pg $(LIBNAME).o | grep ' [BDT] ' | cut -f1 -d' ' > $(LIBNAME).exp; \
+   $$SHAREDCMD $$SHAREDFLAGS -o $(SHLIB) $(LIBNAME).o -L ../../.. -lcrypto -lc)
+
+$(SHLIB).gnu:	$(LIB)
+		ALLSYMSFLAGS='--whole-archive' \
+		SHAREDFLAGS='-shared -Wl,-soname=$(SHLIB)' \
+		SHAREDCMD='$(CC)'; \
+		$(LINK_SO)
+		touch $(SHLIB).gnu
+$(SHLIB).tru64:	$(LIB)
+		ALLSYMSFLAGS='-all' \
+		SHAREDFLAGS='-shared' \
+		SHAREDCMD='$(CC)'; \
+		$(LINK_SO)
+		touch $(SHLIB).tru64
+$(SHLIB).solaris:	$(LIB)
+		ALLSYMSFLAGS='-z allextract' \
+		SHAREDFLAGS='-G -h $(SHLIB)' \
+		SHAREDCMD='$(CC)'; \
+		$(LINK_SO)
+		touch $(SHLIB).solaris
+$(SHLIB).irix:	$(LIB)
+		ALLSYMSFLAGS='-all' \
+		SHAREDFLAGS='-shared -Wl,-soname,$(SHLIB)' \
+		SHAREDCMD='$(CC)'; \
+		$(LINK_SO)
+		touch $(SHLIB).irix
+$(SHLIB).hpux32:	$(LIB)
+		ALLSYMSFLAGS='-Fl' \
+		SHAREDFLAGS='+vnocompatwarnings -b -z +s +h $(SHLIB)' \
+		SHAREDCMD='/usr/ccs/bin/ld'; \
+		$(LINK_SO)
+		touch $(SHLIB).hpux32
+$(SHLIB).hpux64:	$(LIB)
+		ALLSYMSFLAGS='+forceload' \
+		SHAREDFLAGS='-b -z +h $(SHLIB)' \
+		SHAREDCMD='/usr/ccs/bin/ld'; \
+		$(LINK_SO)
+		touch $(SHLIB).hpux64
+$(SHLIB).aix:	$(LIB)
+		ALLSYMSFLAGS='-bnogc' \
+		SHAREDFLAGS='-G -bE:$(LIBNAME).exp -bM:SRE' \
+		SHAREDCMD='$(CC)'; \
+		$(LINK_SO)
+		touch $(SHLIB).aix
+
+depend:
+		sed -e '/^# DO NOT DELETE.*/,$$d' < Makefile > Makefile.tmp
+		echo '# DO NOT DELETE THIS LINE -- make depend depends on it.' >> Makefile.tmp
+		gcc -M $(CFLAGS) $(SRC) >> Makefile.tmp
+		perl ../../../util/clean-depend.pl < Makefile.tmp > Makefile.new
+		rm -f Makefile.tmp Makefile
+		mv Makefile.new Makefile
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+rsaref.o: ../../../include/openssl/asn1.h ../../../include/openssl/bio.h
+rsaref.o: ../../../include/openssl/bn.h ../../../include/openssl/crypto.h
+rsaref.o: ../../../include/openssl/dh.h ../../../include/openssl/dsa.h
+rsaref.o: ../../../include/openssl/e_os2.h ../../../include/openssl/engine.h
+rsaref.o: ../../../include/openssl/err.h ../../../include/openssl/lhash.h
+rsaref.o: ../../../include/openssl/opensslconf.h
+rsaref.o: ../../../include/openssl/opensslv.h
+rsaref.o: ../../../include/openssl/ossl_typ.h ../../../include/openssl/rand.h
+rsaref.o: ../../../include/openssl/rsa.h ../../../include/openssl/safestack.h
+rsaref.o: ../../../include/openssl/stack.h ../../../include/openssl/symhacks.h
+rsaref.o: ../../../include/openssl/ui.h rsaref.c rsaref_err.c rsaref_err.h
+rsaref.o: source/des.h source/global.h source/md2.h source/md5.h source/rsa.h
+rsaref.o: source/rsaref.h
diff --git a/demos/engines/zencod/hw_zencod.c b/demos/engines/zencod/hw_zencod.c
new file mode 100644
index 0000000000..308e18710f
--- /dev/null
+++ b/demos/engines/zencod/hw_zencod.c
@@ -0,0 +1,1736 @@
+/* crypto/engine/hw_zencod.c */
+ /* Written by Fred Donnat (frederic.donnat@zencod.com) for "zencod"
+ * engine integration in order to redirect crypto computing on a crypto
+ * hardware accelerator zenssl32  ;-)
+ *
+ * Date : 25 jun 2002
+ * Revision : 17 Ju7 2002
+ * Version : zencod_engine-0.9.7
+ */
+
+/* ====================================================================
+ * Copyright (c) 1999-2001 The OpenSSL Project.  All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+
+/* ENGINE general include */
+#include <stdio.h>
+#include <openssl/crypto.h>
+#include <openssl/dso.h>
+#include <openssl/engine.h>
+
+#ifndef OPENSSL_NO_HW
+#ifndef OPENSSL_NO_HW_ZENCOD
+
+#ifdef FLAT_INC
+#  include "hw_zencod.h"
+#else
+#  include "vendor_defns/hw_zencod.h"
+#endif
+
+#define ZENCOD_LIB_NAME "zencod engine"
+#include "hw_zencod_err.c"
+
+#define FAIL_TO_SOFTWARE		-15
+
+#define	ZEN_LIBRARY	"zenbridge"
+
+#if 0
+#  define PERROR(s)	perror(s)
+#  define CHEESE()	fputs("## [ZenEngine] ## " __FUNCTION__ "\n", stderr)
+#else
+#  define PERROR(s)
+#  define CHEESE()
+#endif
+
+
+/* Sorry ;) */
+#ifndef WIN32
+static inline void esrever ( unsigned char *d, int l )
+{
+	for(;--l>0;--l,d++){*d^=*(d+l);*(d+l)^=*d;*d^=*(d+l);}
+}
+
+static inline void ypcmem ( unsigned char *d, const unsigned char *s, int l )
+{
+	for(d+=l;l--;)*--d=*s++;
+}
+#else
+static __inline void esrever ( unsigned char *d, int l )
+{
+	for(;--l>0;--l,d++){*d^=*(d+l);*(d+l)^=*d;*d^=*(d+l);}
+}
+
+static __inline void ypcmem ( unsigned char *d, const unsigned char *s, int l )
+{
+	for(d+=l;l--;)*--d=*s++;
+}
+#endif
+
+
+#define BIGNUM2ZEN(n, bn)	(ptr_zencod_init_number((n), \
+					(unsigned long) ((bn)->top * BN_BITS2), \
+					(unsigned char *) ((bn)->d)))
+
+#define ZEN_BITS(n, bytes)	(ptr_zencod_bytes2bits((unsigned char *) (n), (unsigned long) (bytes)))
+#define ZEN_BYTES(bits)	(ptr_zencod_bits2bytes((unsigned long) (bits)))
+
+
+/* Function for ENGINE detection and control */
+static int zencod_destroy ( ENGINE *e ) ;
+static int zencod_init ( ENGINE *e ) ;
+static int zencod_finish ( ENGINE *e ) ;
+static int zencod_ctrl ( ENGINE *e, int cmd, long i, void *p, void (*f) () ) ;
+
+/* BIGNUM stuff */
+static int zencod_bn_mod_exp ( BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx ) ;
+
+/* RSA stuff */
+#ifndef OPENSSL_NO_RSA
+static int RSA_zencod_rsa_mod_exp ( BIGNUM *r0, const BIGNUM *I, RSA *rsa ) ;
+static int RSA_zencod_bn_mod_exp ( BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+		const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx ) ;
+#endif
+
+/* DSA stuff */
+#ifndef OPENSSL_NO_DSA
+static int DSA_zencod_bn_mod_exp ( DSA *dsa, BIGNUM *r, BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+		BN_MONT_CTX *m_ctx ) ;
+
+static DSA_SIG *DSA_zencod_do_sign ( const unsigned char *dgst, int dlen, DSA *dsa ) ;
+static int DSA_zencod_do_verify ( const unsigned char *dgst, int dgst_len, DSA_SIG *sig,
+		DSA *dsa ) ;
+#endif
+
+/* DH stuff */
+#ifndef OPENSSL_NO_DH
+static int DH_zencod_bn_mod_exp ( const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+		BN_MONT_CTX *m_ctx ) ;
+static int DH_zencod_generate_key ( DH *dh ) ;
+static int DH_zencod_compute_key ( unsigned char *key, const BIGNUM *pub_key, DH *dh ) ;
+#endif
+
+/* Rand stuff */
+static void RAND_zencod_seed ( const void *buf, int num ) ;
+static int RAND_zencod_rand_bytes ( unsigned char *buf, int num ) ;
+static int RAND_zencod_rand_status ( void ) ;
+
+/* Digest Stuff */
+static int engine_digests ( ENGINE *e, const EVP_MD **digest, const int **nids, int nid ) ;
+
+/* Cipher Stuff */
+static int engine_ciphers ( ENGINE *e, const EVP_CIPHER **cipher, const int **nids, int nid ) ;
+
+
+#define ZENCOD_CMD_SO_PATH			ENGINE_CMD_BASE
+static const ENGINE_CMD_DEFN zencod_cmd_defns [ ] =
+{
+	{ ZENCOD_CMD_SO_PATH,
+	  "SO_PATH",
+	  "Specifies the path to the 'zenbridge' shared library",
+	  ENGINE_CMD_FLAG_STRING},
+	{ 0, NULL, NULL, 0 }
+} ;
+
+
+#ifndef OPENSSL_NO_RSA
+/* Our internal RSA_METHOD specific to zencod ENGINE providing pointers to our function */
+static RSA_METHOD zencod_rsa =
+{
+	"ZENCOD RSA method",
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	RSA_zencod_rsa_mod_exp,
+	RSA_zencod_bn_mod_exp,
+	NULL,
+	NULL,
+	0,
+	NULL,
+	NULL,
+	NULL
+} ;
+#endif
+
+#ifndef OPENSSL_NO_DSA
+/* Our internal DSA_METHOD specific to zencod ENGINE providing pointers to our function */
+static DSA_METHOD zencod_dsa =
+{
+	"ZENCOD DSA method",
+	DSA_zencod_do_sign,
+	NULL,
+	DSA_zencod_do_verify,
+	NULL,
+	DSA_zencod_bn_mod_exp,
+	NULL,
+	NULL,
+	0,
+	NULL
+} ;
+#endif
+
+#ifndef OPENSSL_NO_DH
+/* Our internal DH_METHOD specific to zencod ENGINE providing pointers to our function */
+static DH_METHOD zencod_dh =
+{
+	"ZENCOD DH method",
+	DH_zencod_generate_key,
+	DH_zencod_compute_key,
+	DH_zencod_bn_mod_exp,
+	NULL,
+	NULL,
+	0,
+	NULL
+} ;
+#endif
+
+/* Our internal RAND_meth specific to zencod ZNGINE providing pointers to  our function */
+static RAND_METHOD zencod_rand =
+{
+	RAND_zencod_seed,
+	RAND_zencod_rand_bytes,
+	NULL,
+	NULL,
+	RAND_zencod_rand_bytes,
+	RAND_zencod_rand_status
+} ;
+
+
+/* Constants used when creating the ENGINE */
+static const char *engine_zencod_id = "zencod";
+static const char *engine_zencod_name = "ZENCOD hardware engine support";
+
+
+/* This internal function is used by ENGINE_zencod () and possibly by the
+ * "dynamic" ENGINE support too   ;-)
+ */
+static int bind_helper ( ENGINE *e )
+{
+
+#ifndef OPENSSL_NO_RSA
+	const RSA_METHOD *meth_rsa ;
+#endif
+#ifndef OPENSSL_NO_DSA
+	const DSA_METHOD *meth_dsa ;
+#endif
+#ifndef OPENSSL_NO_DH
+	const DH_METHOD *meth_dh ;
+#endif
+
+	const RAND_METHOD *meth_rand ;
+
+
+	if ( !ENGINE_set_id ( e, engine_zencod_id ) ||
+			!ENGINE_set_name ( e, engine_zencod_name ) ||
+#ifndef OPENSSL_NO_RSA
+			!ENGINE_set_RSA ( e, &zencod_rsa ) ||
+#endif
+#ifndef OPENSSL_NO_DSA
+			!ENGINE_set_DSA ( e, &zencod_dsa ) ||
+#endif
+#ifndef OPENSSL_NO_DH
+			!ENGINE_set_DH ( e, &zencod_dh ) ||
+#endif
+			!ENGINE_set_RAND ( e, &zencod_rand ) ||
+
+			!ENGINE_set_destroy_function ( e, zencod_destroy ) ||
+			!ENGINE_set_init_function ( e, zencod_init ) ||
+			!ENGINE_set_finish_function ( e, zencod_finish ) ||
+			!ENGINE_set_ctrl_function ( e, zencod_ctrl ) ||
+			!ENGINE_set_cmd_defns ( e, zencod_cmd_defns ) ||
+			!ENGINE_set_digests ( e, engine_digests ) ||
+			!ENGINE_set_ciphers ( e, engine_ciphers ) ) {
+		return 0 ;
+	}
+
+#ifndef OPENSSL_NO_RSA
+	/* We know that the "PKCS1_SSLeay()" functions hook properly
+	 * to the Zencod-specific mod_exp and mod_exp_crt so we use
+	 * those functions. NB: We don't use ENGINE_openssl() or
+	 * anything "more generic" because something like the RSAref
+	 * code may not hook properly, and if you own one of these
+	 * cards then you have the right to do RSA operations on it
+	 * anyway!
+	 */
+	meth_rsa = RSA_PKCS1_SSLeay () ;
+
+	zencod_rsa.rsa_pub_enc = meth_rsa->rsa_pub_enc ;
+	zencod_rsa.rsa_pub_dec = meth_rsa->rsa_pub_dec ;
+	zencod_rsa.rsa_priv_enc = meth_rsa->rsa_priv_enc ;
+	zencod_rsa.rsa_priv_dec = meth_rsa->rsa_priv_dec ;
+	/* meth_rsa->rsa_mod_exp */
+	/* meth_rsa->bn_mod_exp */
+	zencod_rsa.init = meth_rsa->init ;
+	zencod_rsa.finish = meth_rsa->finish ;
+#endif
+
+#ifndef OPENSSL_NO_DSA
+	/* We use OpenSSL meth to supply what we don't provide ;-*)
+	 */
+	meth_dsa = DSA_OpenSSL () ;
+
+	/* meth_dsa->dsa_do_sign */
+	zencod_dsa.dsa_sign_setup = meth_dsa->dsa_sign_setup ;
+	/* meth_dsa->dsa_do_verify */
+	zencod_dsa.dsa_mod_exp = meth_dsa->dsa_mod_exp ;
+	/* zencod_dsa.bn_mod_exp = meth_dsa->bn_mod_exp ; */
+	zencod_dsa.init = meth_dsa->init ;
+	zencod_dsa.finish = meth_dsa->finish ;
+#endif
+
+#ifndef OPENSSL_NO_DH
+	/* We use OpenSSL meth to supply what we don't provide ;-*)
+	 */
+	meth_dh = DH_OpenSSL () ;
+
+	/* zencod_dh.generate_key = meth_dh->generate_key ; */
+	/* zencod_dh.compute_key = meth_dh->compute_key ; */
+	/* zencod_dh.bn_mod_exp = meth_dh->bn_mod_exp ; */
+	zencod_dh.init = meth_dh->init ;
+	zencod_dh.finish = meth_dh->finish ;
+
+#endif
+
+	/* We use OpenSSL (SSLeay) meth to supply what we don't provide ;-*)
+	 */
+	meth_rand = RAND_SSLeay () ;
+
+	/* meth_rand->seed ; */
+	/* zencod_rand.seed = meth_rand->seed ; */
+	/* meth_rand->bytes ; */
+	/* zencod_rand.bytes = meth_rand->bytes ; */
+	zencod_rand.cleanup = meth_rand->cleanup ;
+	zencod_rand.add = meth_rand->add ;
+	/* meth_rand->pseudorand ; */
+	/* zencod_rand.pseudorand = meth_rand->pseudorand ; */
+	/* zencod_rand.status = meth_rand->status ; */
+	/* meth_rand->status ; */
+
+	/* Ensure the zencod error handling is set up */
+	ERR_load_ZENCOD_strings () ;
+	return 1 ;
+}
+
+
+/* As this is only ever called once, there's no need for locking
+ * (indeed - the lock will already be held by our caller!!!)
+ */
+ENGINE *ENGINE_zencod ( void )
+{
+
+	ENGINE *eng = ENGINE_new () ;
+
+	if ( !eng ) {
+		return NULL ;
+	}
+	if ( !bind_helper ( eng ) ) {
+		ENGINE_free ( eng ) ;
+		return NULL ;
+	}
+
+	return eng ;
+}
+
+
+void ENGINE_load_zencod ( void )
+{
+	/* Copied from eng_[openssl|dyn].c */
+	ENGINE *toadd = ENGINE_zencod ( ) ;
+	if ( !toadd ) return ;
+	ENGINE_add ( toadd ) ;
+	ENGINE_free ( toadd ) ;
+	ERR_clear_error ( ) ;
+}
+
+
+/* This is a process-global DSO handle used for loading and unloading
+ * the ZENBRIDGE library.
+ * NB: This is only set (or unset) during an * init () or finish () call
+ * (reference counts permitting) and they're  * operating with global locks,
+ * so this should be thread-safe * implicitly.
+ */
+static DSO *zencod_dso = NULL ;
+
+static t_zencod_test *ptr_zencod_test = NULL ;
+static t_zencod_bytes2bits *ptr_zencod_bytes2bits = NULL ;
+static t_zencod_bits2bytes *ptr_zencod_bits2bytes = NULL ;
+static t_zencod_new_number *ptr_zencod_new_number = NULL ;
+static t_zencod_init_number *ptr_zencod_init_number = NULL ;
+
+static t_zencod_rsa_mod_exp *ptr_zencod_rsa_mod_exp = NULL ;
+static t_zencod_rsa_mod_exp_crt *ptr_zencod_rsa_mod_exp_crt = NULL ;
+static t_zencod_dsa_do_sign *ptr_zencod_dsa_do_sign = NULL ;
+static t_zencod_dsa_do_verify *ptr_zencod_dsa_do_verify = NULL ;
+static t_zencod_dh_generate_key *ptr_zencod_dh_generate_key = NULL ;
+static t_zencod_dh_compute_key *ptr_zencod_dh_compute_key = NULL ;
+static t_zencod_rand_bytes *ptr_zencod_rand_bytes = NULL ;
+static t_zencod_math_mod_exp *ptr_zencod_math_mod_exp = NULL ;
+
+static t_zencod_md5_init *ptr_zencod_md5_init = NULL ;
+static t_zencod_md5_update *ptr_zencod_md5_update = NULL ;
+static t_zencod_md5_do_final *ptr_zencod_md5_do_final = NULL ;
+static t_zencod_sha1_init *ptr_zencod_sha1_init = NULL ;
+static t_zencod_sha1_update *ptr_zencod_sha1_update = NULL ;
+static t_zencod_sha1_do_final *ptr_zencod_sha1_do_final = NULL ;
+
+static t_zencod_xdes_cipher *ptr_zencod_xdes_cipher = NULL ;
+static t_zencod_rc4_cipher *ptr_zencod_rc4_cipher = NULL ;
+
+/* These are the static string constants for the DSO file name and the function
+ * symbol names to bind to.
+ */
+static const char *ZENCOD_LIBNAME = ZEN_LIBRARY ;
+
+static const char *ZENCOD_Fct_0 = "test_device" ;
+static const char *ZENCOD_Fct_1 = "zenbridge_bytes2bits" ;
+static const char *ZENCOD_Fct_2 = "zenbridge_bits2bytes" ;
+static const char *ZENCOD_Fct_3 = "zenbridge_new_number" ;
+static const char *ZENCOD_Fct_4 = "zenbridge_init_number" ;
+
+static const char *ZENCOD_Fct_exp_1 = "zenbridge_rsa_mod_exp" ;
+static const char *ZENCOD_Fct_exp_2 = "zenbridge_rsa_mod_exp_crt" ;
+static const char *ZENCOD_Fct_dsa_1 = "zenbridge_dsa_do_sign" ;
+static const char *ZENCOD_Fct_dsa_2 = "zenbridge_dsa_do_verify" ;
+static const char *ZENCOD_Fct_dh_1 = "zenbridge_dh_generate_key" ;
+static const char *ZENCOD_Fct_dh_2 = "zenbridge_dh_compute_key" ;
+static const char *ZENCOD_Fct_rand_1 = "zenbridge_rand_bytes" ;
+static const char *ZENCOD_Fct_math_1 = "zenbridge_math_mod_exp" ;
+
+static const char *ZENCOD_Fct_md5_1 = "zenbridge_md5_init" ;
+static const char *ZENCOD_Fct_md5_2 = "zenbridge_md5_update" ;
+static const char *ZENCOD_Fct_md5_3 = "zenbridge_md5_do_final" ;
+static const char *ZENCOD_Fct_sha1_1 = "zenbridge_sha1_init" ;
+static const char *ZENCOD_Fct_sha1_2 = "zenbridge_sha1_update" ;
+static const char *ZENCOD_Fct_sha1_3 = "zenbridge_sha1_do_final" ;
+
+static const char *ZENCOD_Fct_xdes_1 = "zenbridge_xdes_cipher" ;
+static const char *ZENCOD_Fct_rc4_1 = "zenbridge_rc4_cipher" ;
+
+/* Destructor (complements the "ENGINE_zencod ()" constructor)
+ */
+static int zencod_destroy (ENGINE *e )
+{
+
+	ERR_unload_ZENCOD_strings () ;
+
+	return 1 ;
+}
+
+
+/* (de)initialisation functions. Control Function
+ */
+static int zencod_init ( ENGINE *e )
+{
+
+	t_zencod_test *ptr_0 ;
+	t_zencod_bytes2bits *ptr_1 ;
+	t_zencod_bits2bytes *ptr_2 ;
+	t_zencod_new_number *ptr_3 ;
+	t_zencod_init_number *ptr_4 ;
+	t_zencod_rsa_mod_exp *ptr_exp_1 ;
+	t_zencod_rsa_mod_exp_crt *ptr_exp_2 ;
+	t_zencod_dsa_do_sign *ptr_dsa_1 ;
+	t_zencod_dsa_do_verify *ptr_dsa_2 ;
+	t_zencod_dh_generate_key *ptr_dh_1 ;
+	t_zencod_dh_compute_key *ptr_dh_2 ;
+	t_zencod_rand_bytes *ptr_rand_1 ;
+	t_zencod_math_mod_exp *ptr_math_1 ;
+	t_zencod_md5_init *ptr_md5_1 ;
+	t_zencod_md5_update *ptr_md5_2 ;
+	t_zencod_md5_do_final *ptr_md5_3 ;
+	t_zencod_sha1_init *ptr_sha1_1 ;
+	t_zencod_sha1_update *ptr_sha1_2 ;
+	t_zencod_sha1_do_final *ptr_sha1_3 ;
+	t_zencod_xdes_cipher *ptr_xdes_1 ;
+	t_zencod_rc4_cipher *ptr_rc4_1 ;
+
+	CHEESE () ;
+
+	/*
+	 * We Should add some tests for non NULL parameters or bad value !!
+	 * Stuff to be done ...
+	 */
+
+	if ( zencod_dso != NULL ) {
+		ZENCODerr ( ZENCOD_F_ZENCOD_INIT, ZENCOD_R_ALREADY_LOADED ) ;
+		goto err ;
+	}
+	/* Trying to load the Library "cryptozen"
+	 */
+	zencod_dso = DSO_load ( NULL, ZENCOD_LIBNAME, NULL, 0 ) ;
+	if ( zencod_dso == NULL ) {
+		ZENCODerr ( ZENCOD_F_ZENCOD_INIT, ZENCOD_R_DSO_FAILURE ) ;
+		goto err ;
+	}
+
+	/* Trying to load Function from the Library
+	 */
+	if ( ! ( ptr_1 = (t_zencod_bytes2bits*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_1 ) ) ||
+			! ( ptr_2 = (t_zencod_bits2bytes*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_2 ) ) ||
+			! ( ptr_3 = (t_zencod_new_number*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_3 ) ) ||
+			! ( ptr_4 = (t_zencod_init_number*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_4 ) ) ||
+			! ( ptr_exp_1 = (t_zencod_rsa_mod_exp*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_exp_1 ) ) ||
+			! ( ptr_exp_2 = (t_zencod_rsa_mod_exp_crt*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_exp_2 ) ) ||
+			! ( ptr_dsa_1 = (t_zencod_dsa_do_sign*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_dsa_1 ) ) ||
+			! ( ptr_dsa_2 = (t_zencod_dsa_do_verify*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_dsa_2 ) ) ||
+			! ( ptr_dh_1 = (t_zencod_dh_generate_key*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_dh_1 ) ) ||
+			! ( ptr_dh_2 = (t_zencod_dh_compute_key*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_dh_2 ) ) ||
+			! ( ptr_rand_1 = (t_zencod_rand_bytes*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_rand_1 ) ) ||
+			! ( ptr_math_1 = (t_zencod_math_mod_exp*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_math_1 ) ) ||
+			! ( ptr_0 = (t_zencod_test *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_0 ) ) ||
+			! ( ptr_md5_1 = (t_zencod_md5_init *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_md5_1 ) ) ||
+			! ( ptr_md5_2 = (t_zencod_md5_update *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_md5_2 ) ) ||
+			! ( ptr_md5_3 = (t_zencod_md5_do_final *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_md5_3 ) ) ||
+			! ( ptr_sha1_1 = (t_zencod_sha1_init *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_sha1_1 ) ) ||
+			! ( ptr_sha1_2 = (t_zencod_sha1_update *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_sha1_2 ) ) ||
+			! ( ptr_sha1_3 = (t_zencod_sha1_do_final *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_sha1_3 ) ) ||
+			! ( ptr_xdes_1 = (t_zencod_xdes_cipher *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_xdes_1 ) ) ||
+			! ( ptr_rc4_1 = (t_zencod_rc4_cipher *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_rc4_1 ) ) ) {
+
+		ZENCODerr ( ZENCOD_F_ZENCOD_INIT, ZENCOD_R_DSO_FAILURE ) ;
+		goto err ;
+	}
+
+	/* The function from "cryptozen" Library have been correctly loaded so copy them
+	 */
+	ptr_zencod_test = ptr_0 ;
+	ptr_zencod_bytes2bits = ptr_1 ;
+	ptr_zencod_bits2bytes = ptr_2 ;
+	ptr_zencod_new_number = ptr_3 ;
+	ptr_zencod_init_number = ptr_4 ;
+	ptr_zencod_rsa_mod_exp = ptr_exp_1 ;
+	ptr_zencod_rsa_mod_exp_crt = ptr_exp_2 ;
+	ptr_zencod_dsa_do_sign = ptr_dsa_1 ;
+	ptr_zencod_dsa_do_verify = ptr_dsa_2 ;
+	ptr_zencod_dh_generate_key = ptr_dh_1 ;
+	ptr_zencod_dh_compute_key = ptr_dh_2 ;
+	ptr_zencod_rand_bytes = ptr_rand_1 ;
+	ptr_zencod_math_mod_exp = ptr_math_1 ;
+	ptr_zencod_test = ptr_0 ;
+	ptr_zencod_md5_init = ptr_md5_1 ;
+	ptr_zencod_md5_update = ptr_md5_2 ;
+	ptr_zencod_md5_do_final = ptr_md5_3 ;
+	ptr_zencod_sha1_init = ptr_sha1_1 ;
+	ptr_zencod_sha1_update = ptr_sha1_2 ;
+	ptr_zencod_sha1_do_final = ptr_sha1_3 ;
+	ptr_zencod_xdes_cipher = ptr_xdes_1 ;
+	ptr_zencod_rc4_cipher = ptr_rc4_1 ;
+
+	/* We should peform a test to see if there is actually any unit runnig on the system ...
+	 * Even if the cryptozen library is loaded the module coul not be loaded on the system ...
+	 * For now we may just open and close the device !!
+	 */
+
+	if ( ptr_zencod_test () != 0 ) {
+		ZENCODerr ( ZENCOD_F_ZENCOD_INIT, ZENCOD_R_UNIT_FAILURE ) ;
+		goto err ;
+	}
+
+	return 1 ;
+err :
+	if ( zencod_dso ) {
+		DSO_free ( zencod_dso ) ;
+	}
+	zencod_dso = NULL ;
+	ptr_zencod_bytes2bits = NULL ;
+	ptr_zencod_bits2bytes = NULL ;
+	ptr_zencod_new_number = NULL ;
+	ptr_zencod_init_number = NULL ;
+	ptr_zencod_rsa_mod_exp = NULL ;
+	ptr_zencod_rsa_mod_exp_crt = NULL ;
+	ptr_zencod_dsa_do_sign = NULL ;
+	ptr_zencod_dsa_do_verify = NULL ;
+	ptr_zencod_dh_generate_key = NULL ;
+	ptr_zencod_dh_compute_key = NULL ;
+	ptr_zencod_rand_bytes = NULL ;
+	ptr_zencod_math_mod_exp = NULL ;
+	ptr_zencod_test = NULL ;
+	ptr_zencod_md5_init = NULL ;
+	ptr_zencod_md5_update = NULL ;
+	ptr_zencod_md5_do_final = NULL ;
+	ptr_zencod_sha1_init = NULL ;
+	ptr_zencod_sha1_update = NULL ;
+	ptr_zencod_sha1_do_final = NULL ;
+	ptr_zencod_xdes_cipher = NULL ;
+	ptr_zencod_rc4_cipher = NULL ;
+
+	return 0 ;
+}
+
+
+static int zencod_finish ( ENGINE *e )
+{
+
+	CHEESE () ;
+
+	/*
+	 * We Should add some tests for non NULL parameters or bad value !!
+	 * Stuff to be done ...
+	 */
+	if ( zencod_dso == NULL ) {
+		ZENCODerr ( ZENCOD_F_ZENCOD_FINISH, ZENCOD_R_NOT_LOADED ) ;
+		return 0 ;
+	}
+	if ( !DSO_free ( zencod_dso ) ) {
+		ZENCODerr ( ZENCOD_F_ZENCOD_FINISH, ZENCOD_R_DSO_FAILURE ) ;
+		return 0 ;
+	}
+
+	zencod_dso = NULL ;
+
+	ptr_zencod_bytes2bits = NULL ;
+	ptr_zencod_bits2bytes = NULL ;
+	ptr_zencod_new_number = NULL ;
+	ptr_zencod_init_number = NULL ;
+	ptr_zencod_rsa_mod_exp = NULL ;
+	ptr_zencod_rsa_mod_exp_crt = NULL ;
+	ptr_zencod_dsa_do_sign = NULL ;
+	ptr_zencod_dsa_do_verify = NULL ;
+	ptr_zencod_dh_generate_key = NULL ;
+	ptr_zencod_dh_compute_key = NULL ;
+	ptr_zencod_rand_bytes = NULL ;
+	ptr_zencod_math_mod_exp = NULL ;
+	ptr_zencod_test = NULL ;
+	ptr_zencod_md5_init = NULL ;
+	ptr_zencod_md5_update = NULL ;
+	ptr_zencod_md5_do_final = NULL ;
+	ptr_zencod_sha1_init = NULL ;
+	ptr_zencod_sha1_update = NULL ;
+	ptr_zencod_sha1_do_final = NULL ;
+	ptr_zencod_xdes_cipher = NULL ;
+	ptr_zencod_rc4_cipher = NULL ;
+
+	return 1 ;
+}
+
+
+static int zencod_ctrl ( ENGINE *e, int cmd, long i, void *p, void (*f) () )
+{
+
+	int initialised = ( ( zencod_dso == NULL ) ? 0 : 1 ) ;
+
+	CHEESE () ;
+
+	/*
+	 * We Should add some tests for non NULL parameters or bad value !!
+	 * Stuff to be done ...
+	 */
+	switch ( cmd ) {
+	case ZENCOD_CMD_SO_PATH :
+		if ( p == NULL ) {
+			ZENCODerr ( ZENCOD_F_ZENCOD_CTRL, ERR_R_PASSED_NULL_PARAMETER ) ;
+			return 0 ;
+		}
+		if ( initialised ) {
+			ZENCODerr ( ZENCOD_F_ZENCOD_CTRL, ZENCOD_R_ALREADY_LOADED ) ;
+			return 0 ;
+		}
+		ZENCOD_LIBNAME = (const char *) p ;
+		return 1 ;
+	default :
+		break ;
+	}
+
+	ZENCODerr ( ZENCOD_F_ZENCOD_CTRL, ZENCOD_R_CTRL_COMMAND_NOT_IMPLEMENTED ) ;
+
+	return 0 ;
+}
+
+
+/* BIGNUM stuff Functions
+ */
+static int zencod_bn_mod_exp ( BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx )
+{
+	zen_nb_t y, x, e, n;
+	int ret;
+
+	CHEESE () ;
+
+	if ( !zencod_dso ) {
+		ENGINEerr(ZENCOD_F_ZENCOD_BN_MOD_EXP, ZENCOD_R_NOT_LOADED);
+		return 0;
+	}
+
+	if ( !bn_wexpand(r, m->top + 1) ) {
+		ENGINEerr(ZENCOD_F_ZENCOD_BN_MOD_EXP, ZENCOD_R_BN_EXPAND_FAIL);
+		return 0;
+	}
+
+	memset(r->d, 0, BN_num_bytes(m));
+
+	ptr_zencod_init_number ( &y, (r->dmax - 1) * sizeof (BN_ULONG) * 8, (unsigned char *) r->d ) ;
+	BIGNUM2ZEN ( &x, a ) ;
+	BIGNUM2ZEN ( &e, p ) ;
+	BIGNUM2ZEN ( &n, m ) ;
+
+	/* Must invert x and e parameter due to BN mod exp prototype ... */
+	ret = ptr_zencod_math_mod_exp ( &y, &e, &x, &n ) ;
+
+	if ( ret )  {
+		PERROR("zenbridge_math_mod_exp");
+		ENGINEerr(ZENCOD_F_ZENCOD_BN_MOD_EXP, ZENCOD_R_REQUEST_FAILED);
+		return 0;
+	}
+
+	r->top = (BN_num_bits(m) + BN_BITS2 - 1) / BN_BITS2;
+
+	return 1;
+}
+
+
+/* RSA stuff Functions
+ */
+#ifndef OPENSSL_NO_RSA
+static int RSA_zencod_rsa_mod_exp ( BIGNUM *r0, const BIGNUM *i, RSA *rsa )
+{
+
+	CHEESE () ;
+
+	if ( !zencod_dso ) {
+		ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT, ZENCOD_R_NOT_LOADED);
+		return 0;
+	}
+
+	if ( !rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp ) {
+		ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT, ZENCOD_R_BAD_KEY_COMPONENTS);
+		return 0;
+	}
+
+	/* Do in software if argument is too large for hardware */
+	if ( RSA_size(rsa) * 8 > ZENBRIDGE_MAX_KEYSIZE_RSA_CRT ) {
+		const RSA_METHOD *meth;
+
+		meth = RSA_PKCS1_SSLeay();
+		return meth->rsa_mod_exp(r0, i, rsa);
+	} else {
+		zen_nb_t y, x, p, q, dmp1, dmq1, iqmp;
+
+		if ( !bn_expand(r0, RSA_size(rsa) * 8) ) {
+			ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT, ZENCOD_R_BN_EXPAND_FAIL);
+			return 0;
+		}
+		r0->top = (RSA_size(rsa) * 8 + BN_BITS2 - 1) / BN_BITS2;
+
+		BIGNUM2ZEN ( &x, i ) ;
+		BIGNUM2ZEN ( &y, r0 ) ;
+		BIGNUM2ZEN ( &p, rsa->p ) ;
+		BIGNUM2ZEN ( &q, rsa->q ) ;
+		BIGNUM2ZEN ( &dmp1, rsa->dmp1 ) ;
+		BIGNUM2ZEN ( &dmq1, rsa->dmq1 ) ;
+		BIGNUM2ZEN ( &iqmp, rsa->iqmp ) ;
+
+		if ( ptr_zencod_rsa_mod_exp_crt ( &y, &x, &p, &q, &dmp1, &dmq1, &iqmp ) < 0 ) {
+			PERROR("zenbridge_rsa_mod_exp_crt");
+			ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT, ZENCOD_R_REQUEST_FAILED);
+			return 0;
+		}
+
+		return 1;
+	}
+}
+
+
+/* This function is aliased to RSA_mod_exp (with the mont stuff dropped).
+ */
+static int RSA_zencod_bn_mod_exp ( BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+		const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx )
+{
+
+	CHEESE () ;
+
+	if ( !zencod_dso ) {
+		ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP, ZENCOD_R_NOT_LOADED);
+		return 0;
+	}
+
+	/* Do in software if argument is too large for hardware */
+	if ( BN_num_bits(m) > ZENBRIDGE_MAX_KEYSIZE_RSA ) {
+		const RSA_METHOD *meth;
+
+		meth = RSA_PKCS1_SSLeay();
+		return meth->bn_mod_exp(r, a, p, m, ctx, m_ctx);
+	} else {
+		zen_nb_t y, x, e, n;
+
+		if ( !bn_expand(r, BN_num_bits(m)) ) {
+			ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP, ZENCOD_R_BN_EXPAND_FAIL);
+			return 0;
+		}
+		r->top = (BN_num_bits(m) + BN_BITS2 - 1) / BN_BITS2;
+
+		BIGNUM2ZEN ( &x, a ) ;
+		BIGNUM2ZEN ( &y, r ) ;
+		BIGNUM2ZEN ( &e, p ) ;
+		BIGNUM2ZEN ( &n, m ) ;
+
+		if ( ptr_zencod_rsa_mod_exp ( &y, &x, &n, &e ) < 0 ) {
+			PERROR("zenbridge_rsa_mod_exp");
+			ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP, ZENCOD_R_REQUEST_FAILED);
+			return 0;
+		}
+
+		return 1;
+	}
+}
+#endif /* !OPENSSL_NO_RSA */
+
+
+#ifndef OPENSSL_NO_DSA
+/* DSA stuff Functions
+ */
+static DSA_SIG *DSA_zencod_do_sign ( const unsigned char *dgst, int dlen, DSA *dsa )
+{
+	zen_nb_t p, q, g, x, y, r, s, data;
+	DSA_SIG *sig;
+	BIGNUM *bn_r = NULL;
+	BIGNUM *bn_s = NULL;
+	char msg[20];
+
+	CHEESE();
+
+	if ( !zencod_dso ) {
+		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_NOT_LOADED);
+		goto FAILED;
+	}
+
+	if ( dlen > 160 ) {
+		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED);
+		goto FAILED;
+	}
+
+	/* Do in software if argument is too large for hardware */
+	if ( BN_num_bits(dsa->p) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN ||
+		BN_num_bits(dsa->g) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN ) {
+		const DSA_METHOD *meth;
+		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BAD_KEY_COMPONENTS);
+		meth = DSA_OpenSSL();
+		return meth->dsa_do_sign(dgst, dlen, dsa);
+	}
+
+	if ( !(bn_s = BN_new()) || !(bn_r = BN_new()) ) {
+		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BAD_KEY_COMPONENTS);
+		goto FAILED;
+	}
+
+	if ( !bn_expand(bn_r, 160) || !bn_expand(bn_s, 160) ) {
+		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BN_EXPAND_FAIL);
+		goto FAILED;
+	}
+
+	bn_r->top = bn_s->top = (160 + BN_BITS2 - 1) / BN_BITS2;
+	BIGNUM2ZEN ( &p, dsa->p ) ;
+	BIGNUM2ZEN ( &q, dsa->q ) ;
+	BIGNUM2ZEN ( &g, dsa->g ) ;
+	BIGNUM2ZEN ( &x, dsa->priv_key ) ;
+	BIGNUM2ZEN ( &y, dsa->pub_key ) ;
+	BIGNUM2ZEN ( &r, bn_r ) ;
+	BIGNUM2ZEN ( &s, bn_s ) ;
+	q.len = x.len = 160;
+
+	ypcmem(msg, dgst, 20);
+	ptr_zencod_init_number ( &data, 160, msg ) ;
+
+	if ( ptr_zencod_dsa_do_sign ( 0, &data, &y, &p, &q, &g, &x, &r, &s ) < 0 ) {
+		PERROR("zenbridge_dsa_do_sign");
+		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED);
+		goto FAILED;
+	}
+
+	if ( !( sig = DSA_SIG_new () ) ) {
+		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED);
+		goto FAILED;
+	}
+	sig->r = bn_r;
+	sig->s = bn_s;
+	return sig;
+
+ FAILED:
+	if (bn_r)
+		BN_free(bn_r);
+	if (bn_s)
+		BN_free(bn_s);
+	return NULL;
+}
+
+
+static int DSA_zencod_do_verify ( const unsigned char *dgst, int dlen, DSA_SIG *sig, DSA *dsa )
+{
+	zen_nb_t data, p, q, g, y, r, s, v;
+	char msg[20];
+	char v_data[20];
+	int ret;
+
+	CHEESE();
+
+	if ( !zencod_dso ) {
+		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_VERIFY, ZENCOD_R_NOT_LOADED);
+		return 0;
+	}
+
+	if ( dlen > 160 ) {
+		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED);
+		return 0;
+	}
+
+	/* Do in software if argument is too large for hardware */
+	if ( BN_num_bits(dsa->p) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN ||
+		BN_num_bits(dsa->g) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN ) {
+		const DSA_METHOD *meth;
+		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BAD_KEY_COMPONENTS);
+		meth = DSA_OpenSSL();
+		return meth->dsa_do_verify(dgst, dlen, sig, dsa);
+	}
+
+	BIGNUM2ZEN ( &p, dsa->p ) ;
+	BIGNUM2ZEN ( &q, dsa->q ) ;
+	BIGNUM2ZEN ( &g, dsa->g ) ;
+	BIGNUM2ZEN ( &y, dsa->pub_key ) ;
+	BIGNUM2ZEN ( &r, sig->r ) ;
+	BIGNUM2ZEN ( &s, sig->s ) ;
+	ptr_zencod_init_number ( &v, 160, v_data ) ;
+	ypcmem(msg, dgst, 20);
+	ptr_zencod_init_number ( &data, 160, msg ) ;
+
+	if ( ( ret = ptr_zencod_dsa_do_verify ( 0, &data, &p, &q, &g, &y, &r, &s, &v ) ) < 0 ) {
+		PERROR("zenbridge_dsa_do_verify");
+		ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_VERIFY, ZENCOD_R_REQUEST_FAILED);
+		return 0;
+	}
+
+	return ( ( ret == 0 ) ? 1 : ret ) ;
+}
+
+
+static int DSA_zencod_bn_mod_exp ( DSA *dsa, BIGNUM *r, BIGNUM *a, const BIGNUM *p, const BIGNUM *m,
+			     BN_CTX *ctx, BN_MONT_CTX *m_ctx )
+{
+	CHEESE () ;
+
+	return zencod_bn_mod_exp ( r, a, p, m, ctx ) ;
+}
+#endif /* !OPENSSL_NO_DSA */
+
+
+#ifndef OPENSSl_NO_DH
+/* DH stuff Functions
+ */
+static int DH_zencod_generate_key ( DH *dh )
+{
+	BIGNUM *bn_prv = NULL;
+	BIGNUM *bn_pub = NULL;
+	zen_nb_t y, x, g, p;
+	int generate_x;
+
+	CHEESE();
+
+	if ( !zencod_dso ) {
+		ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_NOT_LOADED);
+		return 0;
+	}
+
+	/* Private key */
+	if ( dh->priv_key ) {
+		bn_prv = dh->priv_key;
+		generate_x = 0;
+	} else {
+		if (!(bn_prv = BN_new())) {
+			ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_BN_EXPAND_FAIL);
+			goto FAILED;
+		}
+		generate_x = 1;
+	}
+
+	/* Public key */
+	if ( dh->pub_key )
+		bn_pub = dh->pub_key;
+	else
+		if ( !( bn_pub = BN_new () ) ) {
+			ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_BN_EXPAND_FAIL);
+			goto FAILED;
+		}
+
+	/* Expand */
+	if ( !bn_wexpand ( bn_prv, dh->p->dmax ) ||
+	    !bn_wexpand ( bn_pub, dh->p->dmax ) ) {
+		ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_BN_EXPAND_FAIL);
+		goto FAILED;
+	}
+	bn_prv->top = dh->p->top;
+	bn_pub->top = dh->p->top;
+
+	/* Convert all keys */
+	BIGNUM2ZEN ( &p, dh->p ) ;
+	BIGNUM2ZEN ( &g, dh->g ) ;
+	BIGNUM2ZEN ( &y, bn_pub ) ;
+	BIGNUM2ZEN ( &x, bn_prv ) ;
+	x.len = DH_size(dh) * 8;
+
+	/* Adjust the lengths of P and G */
+	p.len = ptr_zencod_bytes2bits ( p.data, ZEN_BYTES ( p.len ) ) ;
+	g.len = ptr_zencod_bytes2bits ( g.data, ZEN_BYTES ( g.len ) ) ;
+
+	/* Send the request to the driver */
+	if ( ptr_zencod_dh_generate_key ( &y, &x, &g, &p, generate_x ) < 0 ) {
+		perror("zenbridge_dh_generate_key");
+		ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_REQUEST_FAILED);
+		goto FAILED;
+	}
+
+	dh->priv_key = bn_prv;
+	dh->pub_key  = bn_pub;
+
+	return 1;
+
+ FAILED:
+	if (!dh->priv_key && bn_prv)
+		BN_free(bn_prv);
+	if (!dh->pub_key && bn_pub)
+		BN_free(bn_pub);
+
+	return 0;
+}
+
+
+static int DH_zencod_compute_key ( unsigned char *key, const BIGNUM *pub_key, DH *dh )
+{
+	zen_nb_t y, x, p, k;
+
+	CHEESE();
+
+	if ( !zencod_dso ) {
+		ENGINEerr(ZENCOD_F_ZENCOD_DH_COMPUTE, ZENCOD_R_NOT_LOADED);
+		return 0;
+	}
+
+	if ( !dh->priv_key ) {
+		ENGINEerr(ZENCOD_F_ZENCOD_DH_COMPUTE, ZENCOD_R_BAD_KEY_COMPONENTS);
+		return 0;
+	}
+
+	/* Convert all keys */
+	BIGNUM2ZEN ( &y, pub_key ) ;
+	BIGNUM2ZEN ( &x, dh->priv_key ) ;
+	BIGNUM2ZEN ( &p, dh->p ) ;
+	ptr_zencod_init_number ( &k, p.len, key ) ;
+
+	/* Adjust the lengths */
+	p.len = ptr_zencod_bytes2bits ( p.data, ZEN_BYTES ( p.len ) ) ;
+	y.len = ptr_zencod_bytes2bits ( y.data, ZEN_BYTES ( y.len ) ) ;
+	x.len = ptr_zencod_bytes2bits ( x.data, ZEN_BYTES ( x.len ) ) ;
+
+	/* Call the hardware */
+	if ( ptr_zencod_dh_compute_key ( &k, &y, &x, &p ) < 0 ) {
+		ENGINEerr(ZENCOD_F_ZENCOD_DH_COMPUTE, ZENCOD_R_REQUEST_FAILED);
+		return 0;
+	}
+
+	/* The key must be written MSB -> LSB */
+	k.len = ptr_zencod_bytes2bits ( k.data, ZEN_BYTES ( k.len ) ) ;
+	esrever ( key, ZEN_BYTES ( k.len ) ) ;
+
+	return ZEN_BYTES ( k.len ) ;
+}
+
+
+static int DH_zencod_bn_mod_exp ( const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+		BN_MONT_CTX *m_ctx )
+{
+	CHEESE () ;
+
+	return zencod_bn_mod_exp ( r, a, p, m, ctx ) ;
+}
+#endif	/* !OPENSSL_NO_DH */
+
+
+/* RAND stuff Functions
+ */
+static void RAND_zencod_seed ( const void *buf, int num )
+{
+	/* Nothing to do cause our crypto accelerator provide a true random generator */
+}
+
+
+static int RAND_zencod_rand_bytes ( unsigned char *buf, int num )
+{
+	zen_nb_t r;
+
+	CHEESE();
+
+	if ( !zencod_dso ) {
+		ENGINEerr(ZENCOD_F_ZENCOD_RAND, ZENCOD_R_NOT_LOADED);
+		return 0;
+	}
+
+	ptr_zencod_init_number ( &r, num * 8, buf ) ;
+
+	if ( ptr_zencod_rand_bytes ( &r, ZENBRIDGE_RNG_DIRECT ) < 0 ) {
+		PERROR("zenbridge_rand_bytes");
+		ENGINEerr(ZENCOD_F_ZENCOD_RAND, ZENCOD_R_REQUEST_FAILED);
+		return 0;
+	}
+
+	return 1;
+}
+
+
+static int RAND_zencod_rand_status ( void )
+{
+	CHEESE () ;
+
+	return 1;
+}
+
+
+/* This stuff is needed if this ENGINE is being compiled into a self-contained
+ * shared-library.
+ */
+#ifdef ENGINE_DYNAMIC_SUPPORT
+static int bind_fn ( ENGINE *e, const char *id )
+{
+
+	if ( id && ( strcmp ( id, engine_zencod_id ) != 0 ) ) {
+		return 0 ;
+	}
+	if ( !bind_helper ( e ) )  {
+		return 0 ;
+	}
+
+	return 1 ;
+}
+
+IMPLEMENT_DYNAMIC_CHECK_FN ()
+IMPLEMENT_DYNAMIC_BIND_FN ( bind_fn )
+#endif /* ENGINE_DYNAMIC_SUPPORT */
+
+
+
+
+/*
+ * Adding "Digest" and "Cipher" tools ...
+ * This is in development ... ;-)
+ * In orfer to code this, i refer to hw_openbsd_dev_crypto and openssl engine made by Geoff Thorpe (if i'm rigth),
+ * and evp, sha md5 definitions etc ...
+ */
+/* First add some include ... */
+#include <openssl/evp.h>
+#include <openssl/sha.h>
+#include <openssl/md5.h>
+#include <openssl/rc4.h>
+#include <openssl/des.h>
+
+
+/* Some variables declaration ... */
+/* DONS:
+ * Disable symetric computation except DES and 3DES, but let part of the code
+ */
+/* static int engine_digest_nids [ ] = { NID_sha1, NID_md5 } ; */
+static int engine_digest_nids [ ] = {  } ;
+static int engine_digest_nids_num = 0 ;
+/* static int engine_cipher_nids [ ] = { NID_rc4, NID_rc4_40, NID_des_cbc, NID_des_ede3_cbc } ; */
+static int engine_cipher_nids [ ] = { NID_des_cbc, NID_des_ede3_cbc } ;
+static int engine_cipher_nids_num = 2 ;
+
+
+/* Function prototype ... */
+/*  SHA stuff */
+static int engine_sha1_init ( EVP_MD_CTX *ctx ) ;
+static int engine_sha1_update ( EVP_MD_CTX *ctx, const void *data, unsigned long count ) ;
+static int engine_sha1_final ( EVP_MD_CTX *ctx, unsigned char *md ) ;
+
+/*  MD5 stuff */
+static int engine_md5_init ( EVP_MD_CTX *ctx ) ;
+static int engine_md5_update ( EVP_MD_CTX *ctx, const void *data, unsigned long count ) ;
+static int engine_md5_final ( EVP_MD_CTX *ctx, unsigned char *md ) ;
+
+static int engine_md_cleanup ( EVP_MD_CTX *ctx ) ;
+static int engine_md_copy ( EVP_MD_CTX *to, const EVP_MD_CTX *from ) ;
+
+
+/* RC4 Stuff */
+static int engine_rc4_init_key ( EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc ) ;
+static int engine_rc4_cipher ( EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl ) ;
+
+/* DES Stuff */
+static int engine_des_init_key ( EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc ) ;
+static int engine_des_cbc_cipher ( EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl ) ;
+
+/*  3DES Stuff */
+static int engine_des_ede3_init_key ( EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc ) ;
+static int engine_des_ede3_cbc_cipher ( EVP_CIPHER_CTX *ctx, unsigned char *out,const unsigned char *in, unsigned int inl ) ;
+
+static int engine_cipher_cleanup ( EVP_CIPHER_CTX *ctx ) ;	/* cleanup ctx */
+
+
+/* The one for SHA ... */
+static const EVP_MD engine_sha1_md =
+{
+	NID_sha1,
+	NID_sha1WithRSAEncryption,
+	SHA_DIGEST_LENGTH,
+	EVP_MD_FLAG_ONESHOT,
+	/* 0, */			/* EVP_MD_FLAG_ONESHOT = x0001 digest can only handle a single block
+				* XXX: set according to device info ... */
+	engine_sha1_init,
+	engine_sha1_update,
+	engine_sha1_final,
+	engine_md_copy,		/* dev_crypto_sha_copy */
+	engine_md_cleanup,		/* dev_crypto_sha_cleanup */
+	EVP_PKEY_RSA_method,
+	SHA_CBLOCK,
+	/* sizeof ( EVP_MD * ) + sizeof ( SHA_CTX ) */
+	sizeof ( ZEN_MD_DATA )
+	/* sizeof ( MD_CTX_DATA )	The message digest data stucture ... */
+} ;
+
+/* The one for MD5 ... */
+static const EVP_MD engine_md5_md =
+{
+	NID_md5,
+	NID_md5WithRSAEncryption,
+	MD5_DIGEST_LENGTH,
+	EVP_MD_FLAG_ONESHOT,
+	/* 0, */			/* EVP_MD_FLAG_ONESHOT = x0001 digest can only handle a single block
+				* XXX: set according to device info ... */
+	engine_md5_init,
+	engine_md5_update,
+	engine_md5_final,
+	engine_md_copy,		/* dev_crypto_md5_copy */
+	engine_md_cleanup,		/* dev_crypto_md5_cleanup */
+	EVP_PKEY_RSA_method,
+	MD5_CBLOCK,
+	/* sizeof ( EVP_MD * ) + sizeof ( MD5_CTX ) */
+	sizeof ( ZEN_MD_DATA )
+	/* sizeof ( MD_CTX_DATA )	The message digest data stucture ... */
+} ;
+
+
+/* The one for RC4 ... */
+#define EVP_RC4_KEY_SIZE			16
+
+/* Try something static ... */
+typedef struct
+{
+	unsigned int len ;
+	unsigned int first ;
+	unsigned char rc4_state [ 260 ] ;
+} NEW_ZEN_RC4_KEY ;
+
+#define rc4_data(ctx)				( (EVP_RC4_KEY *) ( ctx )->cipher_data )
+
+static const EVP_CIPHER engine_rc4 =
+{
+	NID_rc4,
+	1,
+	16,				/* EVP_RC4_KEY_SIZE should be 128 bits */
+	0,				/* FIXME: key should be up to 256 bytes */
+	EVP_CIPH_VARIABLE_LENGTH,
+	engine_rc4_init_key,
+	engine_rc4_cipher,
+	engine_cipher_cleanup,
+	sizeof ( NEW_ZEN_RC4_KEY ),
+	NULL,
+	NULL,
+	NULL
+} ;
+
+/* The one for RC4_40 ... */
+static const EVP_CIPHER engine_rc4_40 =
+{
+	NID_rc4_40,
+	1,
+	5,				/* 40 bits */
+	0,
+	EVP_CIPH_VARIABLE_LENGTH,
+	engine_rc4_init_key,
+	engine_rc4_cipher,
+	engine_cipher_cleanup,
+	sizeof ( NEW_ZEN_RC4_KEY ),
+	NULL,
+	NULL,
+	NULL
+} ;
+
+/* The one for DES ... */
+
+/* Try something static ... */
+typedef struct
+{
+	unsigned char des_key [ 24 ] ;
+	unsigned char des_iv [ 8 ] ;
+} ZEN_DES_KEY ;
+
+static const EVP_CIPHER engine_des_cbc =
+	{
+	NID_des_cbc,
+	8, 8, 8,
+	0 | EVP_CIPH_CBC_MODE,
+	engine_des_init_key,
+	engine_des_cbc_cipher,
+	engine_cipher_cleanup,
+	sizeof(ZEN_DES_KEY),
+	EVP_CIPHER_set_asn1_iv,
+	EVP_CIPHER_get_asn1_iv,
+	NULL,
+	NULL
+	};
+
+/* The one for 3DES ... */
+
+/* Try something static ... */
+typedef struct
+{
+	unsigned char des3_key [ 24 ] ;
+	unsigned char des3_iv [ 8 ] ;
+} ZEN_3DES_KEY ;
+
+#define des_data(ctx)				 ( (DES_EDE_KEY *) ( ctx )->cipher_data )
+
+static const EVP_CIPHER engine_des_ede3_cbc =
+	{
+	NID_des_ede3_cbc,
+	8, 8, 8,
+	0 | EVP_CIPH_CBC_MODE,
+	engine_des_ede3_init_key,
+	engine_des_ede3_cbc_cipher,
+	engine_cipher_cleanup,
+	sizeof(ZEN_3DES_KEY),
+	EVP_CIPHER_set_asn1_iv,
+	EVP_CIPHER_get_asn1_iv,
+	NULL,
+	NULL
+	};
+
+
+/* General function cloned on hw_openbsd_dev_crypto one ... */
+static int engine_digests ( ENGINE *e, const EVP_MD **digest, const int **nids, int nid )
+{
+
+#ifdef DEBUG_ZENCOD_MD
+	fprintf ( stderr, "\t=>Function : static int engine_digests () called !\n" ) ;
+#endif
+
+	if ( !digest ) {
+		/* We are returning a list of supported nids */
+		*nids = engine_digest_nids ;
+		return engine_digest_nids_num ;
+	}
+	/* We are being asked for a specific digest */
+	if ( nid == NID_md5 ) {
+		*digest = &engine_md5_md ;
+	}
+	else if ( nid == NID_sha1 ) {
+		*digest = &engine_sha1_md ;
+	}
+	else {
+		*digest = NULL ;
+		return 0 ;
+	}
+	return 1 ;
+}
+
+
+/* SHA stuff Functions
+ */
+static int engine_sha1_init ( EVP_MD_CTX *ctx )
+{
+
+	int to_return = 0 ;
+
+	/* Test with zenbridge library ... */
+	to_return = ptr_zencod_sha1_init ( (ZEN_MD_DATA *) ctx->md_data ) ;
+	to_return = !to_return ;
+
+	return to_return ;
+}
+
+
+static int engine_sha1_update ( EVP_MD_CTX *ctx, const void *data, unsigned long count )
+{
+
+	zen_nb_t input ;
+	int to_return = 0 ;
+
+	/* Convert parameters ... */
+	input.len = count ;
+	input.data = (unsigned char *) data ;
+
+	/* Test with zenbridge library ... */
+	to_return = ptr_zencod_sha1_update ( (ZEN_MD_DATA *) ctx->md_data, (const zen_nb_t *) &input ) ;
+	to_return = !to_return ;
+
+	return to_return ;
+}
+
+
+static int engine_sha1_final ( EVP_MD_CTX *ctx, unsigned char *md )
+{
+
+	zen_nb_t output ;
+	int to_return = 0 ;
+
+	/* Convert parameters ... */
+	output.len = SHA_DIGEST_LENGTH ;
+	output.data = md ;
+
+	/* Test with zenbridge library ... */
+	to_return = ptr_zencod_sha1_do_final ( (ZEN_MD_DATA *) ctx->md_data, (zen_nb_t *) &output ) ;
+	to_return = !to_return ;
+
+	return to_return ;
+}
+
+
+
+/* MD5 stuff Functions
+ */
+static int engine_md5_init ( EVP_MD_CTX *ctx )
+{
+
+	int to_return = 0 ;
+
+	/* Test with zenbridge library ... */
+	to_return = ptr_zencod_md5_init ( (ZEN_MD_DATA *) ctx->md_data ) ;
+	to_return = !to_return ;
+
+	return to_return ;
+}
+
+
+static int engine_md5_update ( EVP_MD_CTX *ctx, const void *data, unsigned long count )
+{
+
+	zen_nb_t input ;
+	int to_return = 0 ;
+
+	/* Convert parameters ... */
+	input.len = count ;
+	input.data = (unsigned char *) data ;
+
+	/* Test with zenbridge library ... */
+	to_return = ptr_zencod_md5_update ( (ZEN_MD_DATA *) ctx->md_data, (const zen_nb_t *) &input ) ;
+	to_return = !to_return ;
+
+	return to_return ;
+}
+
+
+static int engine_md5_final ( EVP_MD_CTX *ctx, unsigned char *md )
+{
+
+	zen_nb_t output ;
+	int to_return = 0 ;
+
+	/* Convert parameters ... */
+	output.len = MD5_DIGEST_LENGTH ;
+	output.data = md ;
+
+	/* Test with zenbridge library ... */
+	to_return = ptr_zencod_md5_do_final ( (ZEN_MD_DATA *) ctx->md_data, (zen_nb_t *) &output ) ;
+	to_return = !to_return ;
+
+	return to_return ;
+}
+
+
+static int engine_md_cleanup ( EVP_MD_CTX *ctx )
+{
+
+	ZEN_MD_DATA *zen_md_data = (ZEN_MD_DATA *) ctx->md_data ;
+
+	if ( zen_md_data->HashBuffer != NULL ) {
+		OPENSSL_free ( zen_md_data->HashBuffer ) ;
+		zen_md_data->HashBufferSize = 0 ;
+		ctx->md_data = NULL ;
+	}
+
+	return 1 ;
+}
+
+
+static int engine_md_copy ( EVP_MD_CTX *to, const EVP_MD_CTX *from )
+{
+	const ZEN_MD_DATA *from_md = (ZEN_MD_DATA *) from->md_data ;
+	ZEN_MD_DATA *to_md = (ZEN_MD_DATA *) to->md_data ;
+
+	to_md->HashBuffer = OPENSSL_malloc ( from_md->HashBufferSize ) ;
+	memcpy ( to_md->HashBuffer, from_md->HashBuffer, from_md->HashBufferSize ) ;
+
+	return 1;
+}
+
+
+/* General function cloned on hw_openbsd_dev_crypto one ... */
+static int engine_ciphers ( ENGINE *e, const EVP_CIPHER **cipher, const int **nids, int nid )
+{
+
+	if ( !cipher ) {
+		/* We are returning a list of supported nids */
+		*nids = engine_cipher_nids ;
+		return engine_cipher_nids_num ;
+	}
+	/* We are being asked for a specific cipher */
+	if ( nid == NID_rc4 ) {
+		*cipher = &engine_rc4 ;
+	}
+	else if ( nid == NID_rc4_40 ) {
+		*cipher = &engine_rc4_40 ;
+	}
+	else if ( nid == NID_des_cbc ) {
+		*cipher = &engine_des_cbc ;
+	}
+	else if ( nid == NID_des_ede3_cbc ) {
+		*cipher = &engine_des_ede3_cbc ;
+	}
+	else {
+		*cipher = NULL ;
+		return 0 ;
+	}
+
+	return 1 ;
+}
+
+
+static int engine_rc4_init_key ( EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc )
+{
+	int to_return = 0 ;
+	int i = 0 ;
+	int nb = 0 ;
+	NEW_ZEN_RC4_KEY *tmp_rc4_key = NULL ;
+
+	tmp_rc4_key = (NEW_ZEN_RC4_KEY *) ( ctx->cipher_data ) ;
+	tmp_rc4_key->first = 0 ;
+	tmp_rc4_key->len = ctx->key_len ;
+	tmp_rc4_key->rc4_state [ 0 ] = 0x00 ;
+	tmp_rc4_key->rc4_state [ 2 ] = 0x00 ;
+	nb = 256 / ctx->key_len ;
+	for ( i = 0; i < nb ; i++ ) {
+		memcpy ( &( tmp_rc4_key->rc4_state [ 4 + i*ctx->key_len ] ), key, ctx->key_len ) ;
+	}
+
+	to_return = 1 ;
+
+	return to_return ;
+}
+
+
+static int engine_rc4_cipher ( EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int in_len )
+{
+
+	zen_nb_t output, input ;
+	zen_nb_t rc4key ;
+	int to_return = 0 ;
+	NEW_ZEN_RC4_KEY *tmp_rc4_key = NULL ;
+
+	/* Convert parameters ... */
+	input.len = in_len ;
+	input.data = (unsigned char *) in ;
+	output.len = in_len ;
+	output.data = (unsigned char *) out ;
+
+	tmp_rc4_key = ( (NEW_ZEN_RC4_KEY *) ( ctx->cipher_data ) ) ;
+	rc4key.len = 260 ;
+	rc4key.data = &( tmp_rc4_key->rc4_state [ 0 ] ) ;
+
+	/* Test with zenbridge library ... */
+	to_return = ptr_zencod_rc4_cipher ( &output, &input, (const zen_nb_t *) &rc4key, &( tmp_rc4_key->rc4_state [0] ), &( tmp_rc4_key->rc4_state [3] ), !tmp_rc4_key->first ) ;
+	to_return = !to_return ;
+
+	/* Update encryption state ... */
+	tmp_rc4_key->first = 1 ;
+	tmp_rc4_key = NULL ;
+
+	return to_return ;
+}
+
+
+static int engine_des_init_key ( EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc )
+{
+
+	ZEN_DES_KEY *tmp_des_key = NULL ;
+	int to_return = 0 ;
+
+	tmp_des_key = (ZEN_DES_KEY *) ( ctx->cipher_data ) ;
+	memcpy ( &( tmp_des_key->des_key [ 0 ] ), key, 8 ) ;
+	memcpy ( &( tmp_des_key->des_key [ 8 ] ), key, 8 ) ;
+	memcpy ( &( tmp_des_key->des_key [ 16 ] ), key, 8 ) ;
+	memcpy ( &( tmp_des_key->des_iv [ 0 ] ), iv, 8 ) ;
+
+	to_return = 1 ;
+
+	return to_return ;
+}
+
+
+static int engine_des_cbc_cipher ( EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl )
+{
+
+	zen_nb_t output, input ;
+	zen_nb_t deskey_1, deskey_2, deskey_3, iv ;
+	int to_return = 0 ;
+
+	/* Convert parameters ... */
+	input.len = inl ;
+	input.data = (unsigned char *) in ;
+	output.len = inl ;
+	output.data = out ;
+
+	/* Set key parameters ... */
+	deskey_1.len = 8 ;
+	deskey_2.len = 8 ;
+	deskey_3.len = 8 ;
+	deskey_1.data = (unsigned char *) ( (ZEN_DES_KEY *) ( ctx->cipher_data ) )->des_key ;
+	deskey_2.data =  (unsigned char *) &( (ZEN_DES_KEY *) ( ctx->cipher_data ) )->des_key [ 8 ] ;
+	deskey_3.data =  (unsigned char *) &( (ZEN_DES_KEY *) ( ctx->cipher_data ) )->des_key [ 16 ] ;
+
+	/* Key correct iv ... */
+	memcpy ( ( (ZEN_DES_KEY *) ( ctx->cipher_data ) )->des_iv, ctx->iv, 8 ) ;
+	iv.len = 8 ;
+	iv.data = (unsigned char *) ( (ZEN_DES_KEY *) ( ctx->cipher_data ) )->des_iv ;
+
+	if ( ctx->encrypt == 0 ) {
+		memcpy ( ctx->iv, &( input.data [ input.len - 8 ] ), 8 ) ;
+	}
+
+	/* Test with zenbridge library ... */
+	to_return = ptr_zencod_xdes_cipher ( &output, &input,
+			(zen_nb_t *) &deskey_1, (zen_nb_t *) &deskey_2, (zen_nb_t *) &deskey_3, &iv, ctx->encrypt ) ;
+	to_return = !to_return ;
+
+	/* But we need to set up the rigth iv ...
+	 * Test ENCRYPT or DECRYPT mode to set iv ... */
+	if ( ctx->encrypt == 1 ) {
+		memcpy ( ctx->iv, &( output.data [ output.len - 8 ] ), 8 ) ;
+	}
+
+	return to_return ;
+}
+
+
+static int engine_des_ede3_init_key ( EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc )
+{
+
+	ZEN_3DES_KEY *tmp_3des_key = NULL ;
+	int to_return = 0 ;
+
+	tmp_3des_key = (ZEN_3DES_KEY *) ( ctx->cipher_data ) ;
+	memcpy ( &( tmp_3des_key->des3_key [ 0 ] ), key, 24 ) ;
+	memcpy ( &( tmp_3des_key->des3_iv [ 0 ] ), iv, 8 ) ;
+
+	to_return = 1;
+
+	return to_return ;
+}
+
+
+static int engine_des_ede3_cbc_cipher ( EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in,
+	unsigned int in_len )
+{
+
+	zen_nb_t output, input ;
+	zen_nb_t deskey_1, deskey_2, deskey_3, iv ;
+	int to_return = 0 ;
+
+	/* Convert parameters ... */
+	input.len = in_len ;
+	input.data = (unsigned char *) in ;
+	output.len = in_len ;
+	output.data = out ;
+
+	/* Set key ... */
+	deskey_1.len = 8 ;
+	deskey_2.len = 8 ;
+	deskey_3.len = 8 ;
+	deskey_1.data =  (unsigned char *) ( (ZEN_3DES_KEY *) ( ctx->cipher_data ) )->des3_key ;
+	deskey_2.data =  (unsigned char *) &( (ZEN_3DES_KEY *) ( ctx->cipher_data ) )->des3_key [ 8 ] ;
+	deskey_3.data =  (unsigned char *) &( (ZEN_3DES_KEY *) ( ctx->cipher_data ) )->des3_key [ 16 ] ;
+
+	/* Key correct iv ... */
+	memcpy ( ( (ZEN_3DES_KEY *) ( ctx->cipher_data ) )->des3_iv, ctx->iv, 8 ) ;
+	iv.len = 8 ;
+	iv.data = (unsigned char *) ( (ZEN_3DES_KEY *) ( ctx->cipher_data ) )->des3_iv ;
+
+	if ( ctx->encrypt == 0 ) {
+		memcpy ( ctx->iv, &( input.data [ input.len - 8 ] ), 8 ) ;
+	}
+
+	/* Test with zenbridge library ... */
+	to_return = ptr_zencod_xdes_cipher ( &output, &input,
+			(zen_nb_t *) &deskey_1, (zen_nb_t *) &deskey_2, (zen_nb_t *) &deskey_3, &iv, ctx->encrypt ) ;
+	to_return = !to_return ;
+
+	if ( ctx->encrypt == 1 ) {
+		memcpy ( ctx->iv, &( output.data [ output.len - 8 ] ), 8 ) ;
+	}
+
+	return to_return ;
+}
+
+
+static int engine_cipher_cleanup ( EVP_CIPHER_CTX *ctx )
+{
+
+	/* Set the key pointer ... */
+	if ( ctx->cipher->nid == NID_rc4 || ctx->cipher->nid == NID_rc4_40 ) {
+	}
+	else if ( ctx->cipher->nid == NID_des_cbc ) {
+	}
+	else if ( ctx->cipher->nid == NID_des_ede3_cbc ) {
+	}
+
+	return 1 ;
+}
+
+
+#endif /* !OPENSSL_NO_HW_ZENCOD */
+#endif /* !OPENSSL_NO_HW */
diff --git a/demos/engines/zencod/hw_zencod.ec b/demos/engines/zencod/hw_zencod.ec
new file mode 100644
index 0000000000..1552c79be6
--- /dev/null
+++ b/demos/engines/zencod/hw_zencod.ec
@@ -0,0 +1,8 @@
+# configuration file for util/mkerr.pl
+#
+# use like this:
+#
+#	perl ../../../util/mkerr.pl -conf hw_zencod.ec \
+#		-nostatic -staticloader -write *.c
+
+L ZENCOD	hw_zencod_err.h			hw_zencod_err.c
diff --git a/demos/engines/zencod/hw_zencod.h b/demos/engines/zencod/hw_zencod.h
new file mode 100644
index 0000000000..195345d8c6
--- /dev/null
+++ b/demos/engines/zencod/hw_zencod.h
@@ -0,0 +1,160 @@
+/* File : /crypto/engine/vendor_defns/hw_zencod.h */
+/* ====================================================================
+ * Written by Donnat Frederic (frederic.donnat@zencod.com) from ZENCOD
+ * for "zencod" ENGINE integration in OpenSSL project.
+ */
+
+
+ #ifndef	_HW_ZENCOD_H_
+#define	_HW_ZENCOD_H_
+
+#include <stdio.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif	/* __cplusplus */
+
+#define ZENBRIDGE_MAX_KEYSIZE_RSA	2048
+#define ZENBRIDGE_MAX_KEYSIZE_RSA_CRT	1024
+#define ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN	1024
+#define ZENBRIDGE_MAX_KEYSIZE_DSA_VRFY	1024
+
+/* Library version computation */
+#define	ZENBRIDGE_VERSION_MAJOR(x)	(((x) >> 16) | 0xff)
+#define	ZENBRIDGE_VERSION_MINOR(x)	(((x) >>  8) | 0xff)
+#define	ZENBRIDGE_VERSION_PATCH(x)	(((x) >>  0) | 0xff)
+#define	ZENBRIDGE_VERSION(x, y, z)		((x) << 16 | (y) << 8 | (z))
+
+/*
+ * Memory type
+ */
+typedef struct zencod_number_s {
+	unsigned long len;
+	unsigned char *data;
+} zen_nb_t;
+
+#define KEY	zen_nb_t
+
+
+/*
+ * Misc
+ */
+typedef int t_zencod_lib_version (void);
+typedef int t_zencod_hw_version (void);
+typedef int t_zencod_test (void);
+typedef int t_zencod_dump_key (FILE *stream, char *msg, KEY *key);
+
+
+/*
+ * Key managment tools
+ */
+typedef KEY *t_zencod_new_number (unsigned long len, unsigned char *data);
+typedef int t_zencod_init_number (KEY *n, unsigned long len, unsigned char *data);
+typedef unsigned long t_zencod_bytes2bits (unsigned char *n, unsigned long bytes);
+typedef unsigned long t_zencod_bits2bytes (unsigned long bits);
+
+
+/*
+ * RSA API
+ */
+/* Compute modular exponential : y = x**e | n */
+typedef int t_zencod_rsa_mod_exp (KEY *y, KEY *x, KEY *n, KEY *e);
+/* Compute modular exponential : y1 = (x | p)**edp | p, y2 = (x | p)**edp | p, y = y2 + (qinv * (y1 - y2) | p) * q */
+typedef int t_zencod_rsa_mod_exp_crt (KEY *y, KEY *x, KEY *p, KEY *q,
+					KEY *edp, KEY *edq, KEY *qinv);
+
+
+/*
+ * DSA API
+ */
+typedef int t_zencod_dsa_do_sign (unsigned int hash, KEY *data, KEY *random,
+				    KEY *p, KEY *q, KEY *g, KEY *x, KEY *r, KEY *s);
+typedef int t_zencod_dsa_do_verify (unsigned int hash, KEY *data,
+				      KEY *p, KEY *q, KEY *g, KEY *y,
+				      KEY *r, KEY *s, KEY *v);
+
+
+/*
+ * DH API
+ */
+ /* Key generation : compute public value y = g**x | n */
+typedef int t_zencod_dh_generate_key (KEY *y, KEY *x, KEY *g, KEY *n, int gen_x);
+typedef int t_zencod_dh_compute_key (KEY *k, KEY *y, KEY *x, KEY *n);
+
+
+/*
+ * RNG API
+ */
+#define ZENBRIDGE_RNG_DIRECT		0
+#define ZENBRIDGE_RNG_SHA1		1
+typedef int t_zencod_rand_bytes (KEY *rand, unsigned int flags);
+
+
+/*
+ * Math API
+ */
+typedef int t_zencod_math_mod_exp (KEY *r, KEY *a, KEY *e, KEY *n);
+
+
+
+
+/*
+ * Symetric API
+ */
+/* Define a data structure for digests operations */
+typedef struct ZEN_data_st
+{
+	unsigned int HashBufferSize ;
+	unsigned char *HashBuffer ;
+} ZEN_MD_DATA ;
+
+/*
+ * Functions for Digest (MD5, SHA1) stuff
+ */
+/* output : output data buffer */
+/* input : input data buffer */
+/* algo : hash algorithm, MD5 or SHA1 */
+/* typedef int t_zencod_hash ( KEY *output, const KEY *input, int algo ) ;
+ * typedef int t_zencod_sha_hash ( KEY *output, const KEY *input, int algo ) ;
+ */
+/* For now separate this stuff that mad it easier to test */
+typedef int t_zencod_md5_init ( ZEN_MD_DATA *data ) ;
+typedef int t_zencod_md5_update ( ZEN_MD_DATA *data, const KEY *input ) ;
+typedef int t_zencod_md5_do_final ( ZEN_MD_DATA *data, KEY *output ) ;
+
+typedef int t_zencod_sha1_init ( ZEN_MD_DATA *data ) ;
+typedef int t_zencod_sha1_update ( ZEN_MD_DATA *data, const KEY *input ) ;
+typedef int t_zencod_sha1_do_final ( ZEN_MD_DATA *data, KEY *output ) ;
+
+
+/*
+ * Functions for Cipher (RC4, DES, 3DES) stuff
+ */
+/* output : output data buffer */
+/* input : input data buffer */
+/* key : rc4 key data */
+/* index_1 : value of index x from RC4 key structure */
+/* index_2 : value of index y from RC4 key structure */
+/* Be carefull : RC4 key should be expanded before calling this method (Should we provide an expand function ??) */
+typedef int t_zencod_rc4_cipher ( KEY *output, const KEY *input, const KEY *key,
+		unsigned char *index_1, unsigned char *index_2, int mode ) ;
+
+/* output : output data buffer */
+/* input : input data buffer */
+/* key_1 : des first key data */
+/* key_2 : des second key data */
+/* key_3 : des third key data */
+/* iv : initial vector */
+/* mode : xdes mode (encrypt or decrypt) */
+/* Be carefull : In DES mode key_1 = key_2 = key_3 (as far as i can see !!) */
+typedef int t_zencod_xdes_cipher ( KEY *output, const KEY *input, const KEY *key_1,
+		const KEY *key_2, const KEY *key_3, const KEY *iv, int mode ) ;
+
+
+#undef KEY
+
+#ifdef	__cplusplus
+}
+#endif	/* __cplusplus */
+
+#endif	/* !_HW_ZENCOD_H_ */
diff --git a/demos/engines/zencod/hw_zencod_err.c b/demos/engines/zencod/hw_zencod_err.c
new file mode 100644
index 0000000000..8ed0fffc9c
--- /dev/null
+++ b/demos/engines/zencod/hw_zencod_err.c
@@ -0,0 +1,151 @@
+/* hw_zencod_err.c */
+/* ====================================================================
+ * Copyright (c) 1999-2002 The OpenSSL Project.  All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+/* NOTE: this file was auto generated by the mkerr.pl script: any changes
+ * made to it will be overwritten when the script next updates this file,
+ * only reason strings will be preserved.
+ */
+
+#include <stdio.h>
+#include <openssl/err.h>
+#include "hw_zencod_err.h"
+
+/* BEGIN ERROR CODES */
+#ifndef OPENSSL_NO_ERR
+static ERR_STRING_DATA ZENCOD_str_functs[]=
+	{
+{ERR_PACK(0,ZENCOD_F_ZENCOD_BN_MOD_EXP,0),	"ZENCOD_BN_MOD_EXP"},
+{ERR_PACK(0,ZENCOD_F_ZENCOD_CTRL,0),	"ZENCOD_CTRL"},
+{ERR_PACK(0,ZENCOD_F_ZENCOD_DH_COMPUTE,0),	"ZENCOD_DH_COMPUTE"},
+{ERR_PACK(0,ZENCOD_F_ZENCOD_DH_GENERATE,0),	"ZENCOD_DH_GENERATE"},
+{ERR_PACK(0,ZENCOD_F_ZENCOD_DSA_DO_SIGN,0),	"ZENCOD_DSA_DO_SIGN"},
+{ERR_PACK(0,ZENCOD_F_ZENCOD_DSA_DO_VERIFY,0),	"ZENCOD_DSA_DO_VERIFY"},
+{ERR_PACK(0,ZENCOD_F_ZENCOD_FINISH,0),	"ZENCOD_FINISH"},
+{ERR_PACK(0,ZENCOD_F_ZENCOD_INIT,0),	"ZENCOD_INIT"},
+{ERR_PACK(0,ZENCOD_F_ZENCOD_RAND,0),	"ZENCOD_RAND"},
+{ERR_PACK(0,ZENCOD_F_ZENCOD_RSA_MOD_EXP,0),	"ZENCOD_RSA_MOD_EXP"},
+{ERR_PACK(0,ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT,0),	"ZENCOD_RSA_MOD_EXP_CRT"},
+{0,NULL}
+	};
+
+static ERR_STRING_DATA ZENCOD_str_reasons[]=
+	{
+{ZENCOD_R_ALREADY_LOADED                 ,"already loaded"},
+{ZENCOD_R_BAD_KEY_COMPONENTS             ,"bad key components"},
+{ZENCOD_R_BN_EXPAND_FAIL                 ,"bn expand fail"},
+{ZENCOD_R_CTRL_COMMAND_NOT_IMPLEMENTED   ,"ctrl command not implemented"},
+{ZENCOD_R_DSO_FAILURE                    ,"dso failure"},
+{ZENCOD_R_NOT_LOADED                     ,"not loaded"},
+{ZENCOD_R_REQUEST_FAILED                 ,"request failed"},
+{ZENCOD_R_UNIT_FAILURE                   ,"unit failure"},
+{0,NULL}
+	};
+
+#endif
+
+#ifdef ZENCOD_LIB_NAME
+static ERR_STRING_DATA ZENCOD_lib_name[]=
+        {
+{0	,ZENCOD_LIB_NAME},
+{0,NULL}
+	};
+#endif
+
+
+static int ZENCOD_lib_error_code=0;
+static int ZENCOD_error_init=1;
+
+static void ERR_load_ZENCOD_strings(void)
+	{
+	if (ZENCOD_lib_error_code == 0)
+		ZENCOD_lib_error_code=ERR_get_next_error_library();
+
+	if (ZENCOD_error_init)
+		{
+		ZENCOD_error_init=0;
+#ifndef OPENSSL_NO_ERR
+		ERR_load_strings(ZENCOD_lib_error_code,ZENCOD_str_functs);
+		ERR_load_strings(ZENCOD_lib_error_code,ZENCOD_str_reasons);
+#endif
+
+#ifdef ZENCOD_LIB_NAME
+		ZENCOD_lib_name->error = ERR_PACK(ZENCOD_lib_error_code,0,0);
+		ERR_load_strings(0,ZENCOD_lib_name);
+#endif
+		}
+	}
+
+static void ERR_unload_ZENCOD_strings(void)
+	{
+	if (ZENCOD_error_init == 0)
+		{
+#ifndef OPENSSL_NO_ERR
+		ERR_unload_strings(ZENCOD_lib_error_code,ZENCOD_str_functs);
+		ERR_unload_strings(ZENCOD_lib_error_code,ZENCOD_str_reasons);
+#endif
+
+#ifdef ZENCOD_LIB_NAME
+		ERR_unload_strings(0,ZENCOD_lib_name);
+#endif
+		ZENCOD_error_init=1;
+		}
+	}
+
+static void ERR_ZENCOD_error(int function, int reason, char *file, int line)
+	{
+	if (ZENCOD_lib_error_code == 0)
+		ZENCOD_lib_error_code=ERR_get_next_error_library();
+	ERR_PUT_error(ZENCOD_lib_error_code,function,reason,file,line);
+	}
diff --git a/demos/engines/zencod/hw_zencod_err.h b/demos/engines/zencod/hw_zencod_err.h
new file mode 100644
index 0000000000..1b5dcb5685
--- /dev/null
+++ b/demos/engines/zencod/hw_zencod_err.h
@@ -0,0 +1,95 @@
+/* ====================================================================
+ * Copyright (c) 2001-2002 The OpenSSL Project.  All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#ifndef HEADER_ZENCOD_ERR_H
+#define HEADER_ZENCOD_ERR_H
+
+/* BEGIN ERROR CODES */
+/* The following lines are auto generated by the script mkerr.pl. Any changes
+ * made after this point may be overwritten when the script is next run.
+ */
+static void ERR_load_ZENCOD_strings(void);
+static void ERR_unload_ZENCOD_strings(void);
+static void ERR_ZENCOD_error(int function, int reason, char *file, int line);
+#define ZENCODerr(f,r) ERR_ZENCOD_error((f),(r),__FILE__,__LINE__)
+
+/* Error codes for the ZENCOD functions. */
+
+/* Function codes. */
+#define ZENCOD_F_ZENCOD_BN_MOD_EXP			 100
+#define ZENCOD_F_ZENCOD_CTRL				 101
+#define ZENCOD_F_ZENCOD_DH_COMPUTE			 102
+#define ZENCOD_F_ZENCOD_DH_GENERATE			 103
+#define ZENCOD_F_ZENCOD_DSA_DO_SIGN			 104
+#define ZENCOD_F_ZENCOD_DSA_DO_VERIFY			 105
+#define ZENCOD_F_ZENCOD_FINISH				 106
+#define ZENCOD_F_ZENCOD_INIT				 107
+#define ZENCOD_F_ZENCOD_RAND				 108
+#define ZENCOD_F_ZENCOD_RSA_MOD_EXP			 109
+#define ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT			 110
+
+/* Reason codes. */
+#define ZENCOD_R_ALREADY_LOADED				 100
+#define ZENCOD_R_BAD_KEY_COMPONENTS			 101
+#define ZENCOD_R_BN_EXPAND_FAIL				 102
+#define ZENCOD_R_CTRL_COMMAND_NOT_IMPLEMENTED		 103
+#define ZENCOD_R_DSO_FAILURE				 104
+#define ZENCOD_R_NOT_LOADED				 105
+#define ZENCOD_R_REQUEST_FAILED				 106
+#define ZENCOD_R_UNIT_FAILURE				 107
+
+#ifdef  __cplusplus
+}
+#endif
+#endif