static int tls1_set_ec_id(unsigned char *curve_id, unsigned char *comp_id,
				EC_KEY *ec)
	{
	int is_prime, id;
	const EC_GROUP *grp;
	const EC_METHOD *meth;
	if (!ec)
		return 0;
	/* Determine if it is a prime field */
	grp = EC_KEY_get0_group(ec);
	if (!grp)
		return 0;
        meth = EC_GROUP_method_of(grp);
	if (!meth)
		return 0;
        if (EC_METHOD_get_field_type(meth) == NID_X9_62_prime_field)
		is_prime = 1;
	else
		is_prime = 0;
	/* Determine curve ID */
	id = EC_GROUP_get_curve_name(grp);
	id = tls1_ec_nid2curve_id(id);
	/* If we have an ID set it, otherwise set arbitrary explicit curve */
	if (id)
		{
		curve_id[0] = 0;
		curve_id[1] = (unsigned char)id;
		}
	else
		{
		curve_id[0] = 0xff;
		if (is_prime)
			curve_id[1] = 0x01;
		else
			curve_id[1] = 0x02;
		}
	if (comp_id)
		{
        	if (EC_KEY_get0_public_key(ec) == NULL)
			return 0;
		if (EC_KEY_get_conv_form(ec) == POINT_CONVERSION_COMPRESSED)
			{
			if (is_prime)
				*comp_id = TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime;
			else
				*comp_id = TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2;
			}
		else
			*comp_id = TLSEXT_ECPOINTFORMAT_uncompressed;
		}
	return 1;
	}

static int tls1_set_ec_id(unsigned char *curve_id, unsigned char *comp_id,
				EC_KEY *ec)
	{
	int is_prime, id;
	const EC_GROUP *grp;
	const EC_METHOD *meth;
	if (!ec)
		return 0;
	/* Determine if it is a prime field */
	grp = EC_KEY_get0_group(ec);
	if (!grp)
		return 0;
        meth = EC_GROUP_method_of(grp);
	if (!meth)
		return 0;
        if (EC_METHOD_get_field_type(meth) == NID_X9_62_prime_field)
		is_prime = 1;
	else
		is_prime = 0;
	/* Determine curve ID */
	id = EC_GROUP_get_curve_name(grp);
	id = tls1_ec_nid2curve_id(id);
	/* If we have an ID set it, otherwise set arbitrary explicit curve */
	if (id)
		{
		curve_id[0] = 0;
		curve_id[1] = (unsigned char)id;
		}
	else
		{
		curve_id[0] = 0xff;
		if (is_prime)
			curve_id[1] = 0x01;
		else
			curve_id[1] = 0x02;
		}
	if (comp_id)
		{
        	if (EC_KEY_get0_public_key(ec) == NULL)
			return 0;
		if (EC_KEY_get_conv_form(ec) == POINT_CONVERSION_COMPRESSED)
			{
			if (is_prime)
				*comp_id = TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime;
			else
				*comp_id = TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2;
			}
		else
			*comp_id = TLSEXT_ECPOINTFORMAT_uncompressed;
		}
	return 1;
	}
