TC_084_CS — Downgrade security profile - Rejected

TC_084_CS — Downgrade security profile - Rejected

Source: OCPP 1.6 — Compliancy Testing Tool — Test Case Document (Trial 2025-06, Draft). System Under Test: Charge Point, page 107.

Identification

Field	Value
Test case name	Downgrade security profile - Rejected
Test case Id	TC_084_CS
System under test	Charge Point

Description

The Central System can upgrade the connection using a higher Security Profile. It is not possible to downgrade to a lower Security Profile.

Purpose

To check if the Charge Point rejects downgrading the Security Profile.

Prerequisite(s)

The Charge Point is connected with SecurityProfile 2 or 3.

Before (Preparations)

Configuration State(s):

• N/a

Memory State(s):

• N/a

Reusable State(s):

• N/a

Scenario Detail(s)

Charge Point (SUT)	Central System (Tool)
2. The Charge Point responds with a ChangeConfiguration.conf	1. The Central System sends a ChangeConfiguration.req

Tool validation(s)

Charge Point side:

Step 2:

(Message: ChangeConfiguration.conf)

• status is Rejected

Central System side:

Step 1:

(Message: ChangeConfiguration.req)

• key is SecurityProfile
• value is <One level lower than the configured security profile.>

Expected result(s) / behaviour

Charge Point side:

• N/a

Central System side:

• N/a