2263247_en-US

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S32K312, VKMS, Specify the output parameters of Csm_KeyElementGet

Hi CRT team:

The original ticket is: VKMS-HSE-Specify-the-output-parameters-of-Csm-KeyElementGet

customer: Yanfeng

project: VW project

Our customer Yanfeng is using the VKMS HSE FW + S32K312 in their project.

During VKMS functional testing at VW Auto, one of the test results did not match the theoretical value. Based on an initial assessment by the local team and customer, the issue appears to be related to the output parameters of Csm_KeyElementGet().

A similar phenomenon also occurred in the VKMS Demo within RTD 400P21, as shown in the figure below.

The customer’s current question is:

why does the return value of Vkms_u32ResponseLength = 3 after executing Csm_KeyElementGet(CsmConf_CsmKey_CsmKey_0xF0010002, 0xF0010002U, Vkms_au8Response, &Vkms_u32ResponseLength );to get training counter ?

According to the customer’s description, theoretically, this return value should be the following:

If meta data of one key are required: 5
If meta data if all keys are required: 1+ * 6

Could you please help to have a check?

Best Regards,

Zheng Lin

Board: S32K312

Component: HSE FW

Component: Security Crytpo

Priority: MEDIUM

SW Variant: CUSTOM

Type: ISSUE

Re: S32K312, VKMS, Specify the output parameters of Csm_KeyElementGet

Hi Cuong,

Please find below info:

- S32K3 RTD version: RTD 4.0.0 P21
- Platform: S32K312
- HSE FW Version: 9.2.26.0
- Crypto configuration files: As mentioned in the ticket, test with the VKMS demo project of RTD

- What is stored in CsmKey_0xF0010002, and what is the expected theoretical value? As mentioned in the ticket, test with the VKMS demo project of RTD, CTM want to have a clarify of the result of the RTD demo.

Best Regards,

Zheng Lin

Re: S32K312, VKMS, Specify the output parameters of Csm_KeyElementGet

Hi @ZhengLin
Could you specify more information about customer environment:
- S32K3 RTD version
- HSE FW Version
- Crypto configuration files
- What is stored in CsmKey_0xF0010002, and what is the expected theoretical value?

Re: S32K312, VKMS, Specify the output parameters of Csm_KeyElementGet

Hi Cuong,

Is there any update about this case?

Best Regards,

Zheng Lin

Re: S32K312, VKMS, Specify the output parameters of Csm_KeyElementGet

Hi Cuong,

The customer got below theoretical info from the document provided by Audi, which cannot share with us, but we can set a online meeting with the customer if needed.

Best Regards,

Zheng Lin