Move ECDH_KDF_X9_62 to crypto/ec

Reviewed-by: NRichard Levitte <levitte@openssl.org>

crypto/ec/Makefile

@@ -21,13 +21,13 @@ LIBSRC=	ec_lib.c ecp_smpl.c ecp_mont.c ecp_nist.c ec_cvt.c ec_mult.c\
 	ec_err.c ec_curve.c ec_check.c ec_print.c ec_asn1.c ec_key.c\
 	ec2_smpl.c ec2_mult.c ec_ameth.c ec_pmeth.c eck_prn.c \
 	ecp_nistp224.c ecp_nistp256.c ecp_nistp521.c ecp_nistputil.c \
-	ecp_oct.c ec2_oct.c ec_oct.c ec_kmeth.c
+	ecp_oct.c ec2_oct.c ec_oct.c ec_kmeth.c ecdh_kdf.c
 
 LIBOBJ=	ec_lib.o ecp_smpl.o ecp_mont.o ecp_nist.o ec_cvt.o ec_mult.o\
 	ec_err.o ec_curve.o ec_check.o ec_print.o ec_asn1.o ec_key.o\
 	ec2_smpl.o ec2_mult.o ec_ameth.o ec_pmeth.o eck_prn.o \
 	ecp_nistp224.o ecp_nistp256.o ecp_nistp521.o ecp_nistputil.o \
-	ecp_oct.o ec2_oct.o ec_oct.o ec_kmeth.o $(EC_ASM)
+	ecp_oct.o ec2_oct.o ec_oct.o ec_kmeth.o ecdh_kdf.o $(EC_ASM)
 
 SRC= $(LIBSRC)
 

crypto/ecdh/ech_kdf.c → crypto/ec/ecdh_kdf.c

-/* crypto/ecdh/ec_kdf.c */
+/* crypto/ec/ecdh_kdf.c */
 /*
  * Written by Stephen Henson for the OpenSSL project.
  */
@@ -52,7 +52,7 @@
  */
 
 #include <string.h>
-#include <openssl/ecdh.h>
+#include <openssl/ec.h>
 #include <openssl/evp.h>
 
 /* Key derivation function from X9.62/SECG */

crypto/ecdh/Makefile

@@ -15,9 +15,9 @@ CFLAGS= $(INCLUDES) $(CFLAG)
 GENERAL=Makefile
 
 LIB=$(TOP)/libcrypto.a
-LIBSRC=	ech_lib.c ech_ossl.c ech_key.c ech_err.c ech_kdf.c
+LIBSRC=	ech_lib.c ech_ossl.c ech_key.c ech_err.c
 
-LIBOBJ=	ech_lib.o ech_ossl.o ech_key.o ech_err.o ech_kdf.o
+LIBOBJ=	ech_lib.o ech_ossl.o ech_key.o ech_err.o
 
 SRC= $(LIBSRC)
 
@@ -69,14 +69,6 @@ ech_err.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h
 ech_err.o: ../../include/openssl/ossl_typ.h ../../include/openssl/safestack.h
 ech_err.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
 ech_err.o: ech_err.c
-ech_kdf.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
-ech_kdf.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
-ech_kdf.o: ../../include/openssl/ec.h ../../include/openssl/ecdh.h
-ech_kdf.o: ../../include/openssl/evp.h ../../include/openssl/obj_mac.h
-ech_kdf.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h
-ech_kdf.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
-ech_kdf.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
-ech_kdf.o: ../../include/openssl/symhacks.h ech_kdf.c
 ech_key.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
 ech_key.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
 ech_key.o: ../../include/openssl/ec.h ../../include/openssl/ecdh.h

include/openssl/ec.h

@@ -989,6 +989,11 @@ const EC_KEY_METHOD *EC_KEY_get_default_method(void);
 void EC_KEY_set_default_method(const EC_KEY_METHOD *meth);
 EC_KEY *EC_KEY_new_method(ENGINE *engine);
 
+int ECDH_KDF_X9_62(unsigned char *out, size_t outlen,
+                   const unsigned char *Z, size_t Zlen,
+                   const unsigned char *sinfo, size_t sinfolen,
+                   const EVP_MD *md);
+
 # define ECParameters_dup(x) ASN1_dup_of(EC_KEY,i2d_ECParameters,d2i_ECParameters,x)
 
 # ifndef __cplusplus