hide the definition of ECDSA_METHOD and ECDSA_DATA (and mutatis mutandis
for ecdh)
diff --git a/crypto/ecdh/Makefile b/crypto/ecdh/Makefile
index 17d8883..5bf5904 100644
--- a/crypto/ecdh/Makefile
+++ b/crypto/ecdh/Makefile
@@ -30,7 +30,7 @@
 SRC= $(LIBSRC)
 
 EXHEADER= ecdh.h
-HEADER=	$(EXHEADER)
+HEADER=	ech_locl.h $(EXHEADER)
 
 ALL=    $(GENERAL) $(SRC) $(HEADER)
 
diff --git a/crypto/ecdh/ecdh.h b/crypto/ecdh/ecdh.h
index 747d92e..98b8bb2 100644
--- a/crypto/ecdh/ecdh.h
+++ b/crypto/ecdh/ecdh.h
@@ -85,41 +85,13 @@
 extern "C" {
 #endif
 
-/* Already defined in ossl_typ.h */
-/* typedef struct ecdh_method ECDH_METHOD; */
-
-struct ecdh_method 
-	{
-	const char *name;
-	int (*compute_key)(void *key, size_t outlen, const EC_POINT *pub_key, EC_KEY *ecdh,
-	                   void *(*KDF)(const void *in, size_t inlen, void *out, size_t *outlen));
-#if 0
-	int (*init)(EC_KEY *eckey);
-	int (*finish)(EC_KEY *eckey);
-#endif
-	int flags;
-	char *app_data;
-	};
-
-typedef struct ecdh_data_st {
-	/* EC_KEY_METH_DATA part */
-	int (*init)(EC_KEY *);
-	void (*finish)(EC_KEY *);
-	/* method specific part */
-	ENGINE	*engine;
-	int	flags;
-	const ECDH_METHOD *meth;
-	CRYPTO_EX_DATA ex_data;
-} ECDH_DATA; 
+typedef struct ecdh_data_st ECDH_DATA;
 
 /* ECDH_DATA functions */
 ECDH_DATA *ECDH_DATA_new(void);
 ECDH_DATA *ECDH_DATA_new_method(ENGINE *);
 void ECDH_DATA_free(ECDH_DATA *);
 
-ECDH_DATA *ecdh_check(EC_KEY *);
-
-
 const ECDH_METHOD *ECDH_OpenSSL(void);
 
 void	  ECDH_set_default_method(const ECDH_METHOD *);
diff --git a/crypto/ecdh/ech_key.c b/crypto/ecdh/ech_key.c
index ea23a0d..f44da92 100644
--- a/crypto/ecdh/ech_key.c
+++ b/crypto/ecdh/ech_key.c
@@ -67,7 +67,7 @@
  *
  */
 
-#include "ecdh.h"
+#include "ech_locl.h"
 #ifndef OPENSSL_NO_ENGINE
 #include <openssl/engine.h>
 #endif
diff --git a/crypto/ecdh/ech_lib.c b/crypto/ecdh/ech_lib.c
index 7e36cbd..a6392bc 100644
--- a/crypto/ecdh/ech_lib.c
+++ b/crypto/ecdh/ech_lib.c
@@ -67,7 +67,7 @@
  *
  */
 
-#include "ecdh.h"
+#include "ech_locl.h"
 #include <string.h>
 #ifndef OPENSSL_NO_ENGINE
 #include <openssl/engine.h>
diff --git a/crypto/ecdh/ech_locl.h b/crypto/ecdh/ech_locl.h
new file mode 100644
index 0000000..1a2db43
--- /dev/null
+++ b/crypto/ecdh/ech_locl.h
@@ -0,0 +1,95 @@
+/* crypto/ecdh/ech_locl.h */
+/* ====================================================================
+ * Copyright (c) 2000-2005 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).
+ *
+ */
+
+#ifndef HEADER_ECH_LOCL_H
+#define HEADER_ECH_LOCL_H
+
+#include <openssl/ecdh.h>
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+struct ecdh_method 
+	{
+	const char *name;
+	int (*compute_key)(void *key, size_t outlen, const EC_POINT *pub_key, EC_KEY *ecdh,
+	                   void *(*KDF)(const void *in, size_t inlen, void *out, size_t *outlen));
+#if 0
+	int (*init)(EC_KEY *eckey);
+	int (*finish)(EC_KEY *eckey);
+#endif
+	int flags;
+	char *app_data;
+	};
+
+struct ecdh_data_st {
+	/* EC_KEY_METH_DATA part */
+	int (*init)(EC_KEY *);
+	void (*finish)(EC_KEY *);
+	/* method specific part */
+	ENGINE	*engine;
+	int	flags;
+	const ECDH_METHOD *meth;
+	CRYPTO_EX_DATA ex_data;
+};
+
+ECDH_DATA *ecdh_check(EC_KEY *);
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif /* HEADER_ECH_LOCL_H */
diff --git a/crypto/ecdh/ech_ossl.c b/crypto/ecdh/ech_ossl.c
index b1c634b..dab7e8e 100644
--- a/crypto/ecdh/ech_ossl.c
+++ b/crypto/ecdh/ech_ossl.c
@@ -73,7 +73,7 @@
 
 #include "cryptlib.h"
 
-#include <openssl/ecdh.h>
+#include "ech_locl.h"
 #include <openssl/err.h>
 #include <openssl/sha.h>
 #include <openssl/obj_mac.h>
diff --git a/crypto/ecdsa/Makefile b/crypto/ecdsa/Makefile
index f63dc2e..6e36bb1 100644
--- a/crypto/ecdsa/Makefile
+++ b/crypto/ecdsa/Makefile
@@ -30,7 +30,7 @@
 SRC= $(LIBSRC)
 
 EXHEADER= ecdsa.h
-HEADER=	$(EXHEADER)
+HEADER=	ecs_locl.h $(EXHEADER)
 
 ALL=    $(GENERAL) $(SRC) $(HEADER)
 
diff --git a/crypto/ecdsa/ecdsa.h b/crypto/ecdsa/ecdsa.h
index c59b35c..14bb363 100644
--- a/crypto/ecdsa/ecdsa.h
+++ b/crypto/ecdsa/ecdsa.h
@@ -75,44 +75,14 @@
 extern "C" {
 #endif
 
-/* Already defined in ossl_typ.h */
-/* typedef struct ecdsa_method ECDSA_METHOD; */
-
 typedef struct ECDSA_SIG_st
 	{
 	BIGNUM *r;
 	BIGNUM *s;
 	} ECDSA_SIG;
 
-struct ecdsa_method 
-	{
-	const char *name;
-	ECDSA_SIG *(*ecdsa_do_sign)(const unsigned char *dgst, int dgst_len, 
-			EC_KEY *eckey);
-	int (*ecdsa_sign_setup)(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, 
-			BIGNUM **r);
-	int (*ecdsa_do_verify)(const unsigned char *dgst, int dgst_len, 
-			const ECDSA_SIG *sig, EC_KEY *eckey);
-#if 0
-	int (*init)(EC_KEY *eckey);
-	int (*finish)(EC_KEY *eckey);
-#endif
-	int flags;
-	char *app_data;
-	};
-
-typedef struct ecdsa_data_st {
-	/* EC_KEY_METH_DATA part */
-	int (*init)(EC_KEY *);
-	void (*finish)(EC_KEY *);
-	/* method (ECDSA) specific part */
-	BIGNUM	*kinv;	/* signing pre-calc */
-	BIGNUM	*r;	/* signing pre-calc */
-	ENGINE	*engine;
-	int	flags;
-	const ECDSA_METHOD *meth;
-	CRYPTO_EX_DATA ex_data;
-} ECDSA_DATA; 
+/* ecdsa_data_st is defined in ecs_locl.h  */
+typedef struct ecdsa_data_st ECDSA_DATA;
 
 /** ECDSA_SIG *ECDSA_SIG_new(void)
  * allocates and initialize a ECDSA_SIG structure
@@ -164,14 +134,6 @@
  */
 void ECDSA_DATA_free(ECDSA_DATA *data);
 
-/** ecdsa_check
- * checks whether ECKEY->meth_data is a pointer to a ECDSA_DATA structure
- * and if not it removes the old meth_data and creates a ECDSA_DATA structure.
- * \param  eckey pointer to a EC_KEY object
- * \return pointer to a ECDSA_DATA structure
- */
-ECDSA_DATA *ecdsa_check(EC_KEY *eckey);
-
 /** ECDSA_do_sign
  * computes the ECDSA signature of the given hash value using
  * the supplied private key and returns the created signature.
diff --git a/crypto/ecdsa/ecs_asn1.c b/crypto/ecdsa/ecs_asn1.c
index e9e1c2b..b295489 100644
--- a/crypto/ecdsa/ecs_asn1.c
+++ b/crypto/ecdsa/ecs_asn1.c
@@ -53,7 +53,7 @@
  *
  */
 
-#include "ecdsa.h"
+#include "ecs_locl.h"
 #include <openssl/err.h>
 #include <openssl/asn1t.h>
 
diff --git a/crypto/ecdsa/ecs_lib.c b/crypto/ecdsa/ecs_lib.c
index e7a12f5..645a708 100644
--- a/crypto/ecdsa/ecs_lib.c
+++ b/crypto/ecdsa/ecs_lib.c
@@ -54,7 +54,7 @@
  */
 
 #include <string.h>
-#include "ecdsa.h"
+#include "ecs_locl.h"
 #ifndef OPENSSL_NO_ENGINE
 #include <openssl/engine.h>
 #endif
diff --git a/crypto/ecdsa/ecs_locl.h b/crypto/ecdsa/ecs_locl.h
new file mode 100644
index 0000000..343b866
--- /dev/null
+++ b/crypto/ecdsa/ecs_locl.h
@@ -0,0 +1,110 @@
+/* crypto/ecdsa/ecs_locl.h */
+/*
+ * Written by Nils Larsch for the OpenSSL project
+ */
+/* ====================================================================
+ * Copyright (c) 2000-2005 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).
+ *
+ */
+
+#ifndef HEADER_ECS_LOCL_H
+#define HEADER_ECS_LOCL_H
+
+#include <openssl/ecdsa.h>
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+struct ecdsa_method 
+	{
+	const char *name;
+	ECDSA_SIG *(*ecdsa_do_sign)(const unsigned char *dgst, int dgst_len, 
+			EC_KEY *eckey);
+	int (*ecdsa_sign_setup)(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, 
+			BIGNUM **r);
+	int (*ecdsa_do_verify)(const unsigned char *dgst, int dgst_len, 
+			const ECDSA_SIG *sig, EC_KEY *eckey);
+#if 0
+	int (*init)(EC_KEY *eckey);
+	int (*finish)(EC_KEY *eckey);
+#endif
+	int flags;
+	char *app_data;
+	};
+
+struct ecdsa_data_st {
+	/* EC_KEY_METH_DATA part */
+	int (*init)(EC_KEY *);
+	void (*finish)(EC_KEY *);
+	/* method (ECDSA) specific part */
+	BIGNUM	*kinv;	/* signing pre-calc */
+	BIGNUM	*r;	/* signing pre-calc */
+	ENGINE	*engine;
+	int	flags;
+	const ECDSA_METHOD *meth;
+	CRYPTO_EX_DATA ex_data;
+};
+
+/** ecdsa_check
+ * checks whether ECKEY->meth_data is a pointer to a ECDSA_DATA structure
+ * and if not it removes the old meth_data and creates a ECDSA_DATA structure.
+ * \param  eckey pointer to a EC_KEY object
+ * \return pointer to a ECDSA_DATA structure
+ */
+ECDSA_DATA *ecdsa_check(EC_KEY *eckey);
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif /* HEADER_ECS_LOCL_H */
diff --git a/crypto/ecdsa/ecs_ossl.c b/crypto/ecdsa/ecs_ossl.c
index 3b8adec..ea776db 100644
--- a/crypto/ecdsa/ecs_ossl.c
+++ b/crypto/ecdsa/ecs_ossl.c
@@ -56,7 +56,7 @@
  *
  */
 
-#include "ecdsa.h"
+#include "ecs_locl.h"
 #include <openssl/err.h>
 #include <openssl/obj_mac.h>
 #include <openssl/bn.h>
diff --git a/crypto/ecdsa/ecs_sign.c b/crypto/ecdsa/ecs_sign.c
index 4667c8c..ee6aef8 100644
--- a/crypto/ecdsa/ecs_sign.c
+++ b/crypto/ecdsa/ecs_sign.c
@@ -53,7 +53,7 @@
  *
  */
 
-#include "ecdsa.h"
+#include "ecs_locl.h"
 #ifndef OPENSSL_NO_ENGINE
 #include <openssl/engine.h>
 #endif
diff --git a/crypto/ecdsa/ecs_vrf.c b/crypto/ecdsa/ecs_vrf.c
index 465b602..ef9acf7 100644
--- a/crypto/ecdsa/ecs_vrf.c
+++ b/crypto/ecdsa/ecs_vrf.c
@@ -56,7 +56,7 @@
  *
  */
 
-#include "ecdsa.h"
+#include "ecs_locl.h"
 #ifndef OPENSSL_NO_ENGINE
 #include <openssl/engine.h>
 #endif