Redirection of ECDSA, ECDH operations to FIPS module.

Also use FIPS EC methods unconditionally for now: might want to use them
only in FIPS mode or with a switch later.

crypto/ec/ecp_nist.c

@@ -67,8 +67,15 @@
 #include <openssl/obj_mac.h>
 #include "ec_lcl.h"
 
+#ifdef OPENSSL_FIPS
+#include <openssl/fips.h>
+#endif
+
 const EC_METHOD *EC_GFp_nist_method(void)
 	{
+#ifdef OPENSSL_FIPS
+	return fips_ec_gfp_nist_method();
+#else
 	static const EC_METHOD ret = {
 		EC_FLAGS_DEFAULT_OCT,
 		NID_X9_62_prime_field,
@@ -109,6 +116,7 @@ const EC_METHOD *EC_GFp_nist_method(void)
 		0 /* field_set_to_one */ };
 
 	return &ret;
+#endif
 	}
 
 int ec_GFp_nist_group_copy(EC_GROUP *dest, const EC_GROUP *src)