simplify EC_KEY_dup

	return dest;

	}

EC_KEY *EC_KEY_dup(const EC_KEY *eckey)

EC_KEY *EC_KEY_dup(const EC_KEY *ec_key)

	{

	EC_KEY *ret = NULL;

	int	ok = 1;

	ret = EC_KEY_new();

	EC_KEY *ret = EC_KEY_new();

	if (ret == NULL)

		return NULL;

	/* copy the parameters */

	if (eckey->group)

		{

		ret->group = EC_GROUP_dup(eckey->group);

		if (ret->group == NULL)

			ok = 0;

		}

	/*  copy the public key */

	if (eckey->pub_key && eckey->group)

		{

		ret->pub_key = EC_POINT_dup(eckey->pub_key, eckey->group);

		if (ret->pub_key == NULL)

			ok = 0;

		}

	/* copy the private key */

	if (eckey->priv_key)

		{

		ret->priv_key = BN_dup(eckey->priv_key);

		if (ret->priv_key == NULL)

			ok = 0;

		}

	/* copy the rest */

	ret->enc_flag  = eckey->enc_flag;

	ret->conv_form = eckey->conv_form;

	ret->version   = eckey->version;

	if (!ok)

	if (EC_KEY_copy(ret, ec_key) == NULL)

		{

		EC_KEY_free(ret);

		ret = NULL;

		return NULL;

		}

	return ret;

	}