Update Key

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Update Key

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youxi
Contributor IV

Hello:

How to update the Nvm key and the Master key? 

Do I need super user rights?

How to authorize super user rights with SHE MASTER _ ECU _ KEY.

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lukaszadrapa
NXP TechSupport
NXP TechSupport

Hi @youxi 

How to update the Nvm key and the Master key?
- Standard Memory Update Protocol defined by SHE specification should be used. You can take a look at function MemoryUpdateProtocol() in HSE DEMO APP or in HSE examples.

Do I need super user rights?
- No, these rights do not apply to SHE Memory Update Protocol.

How to authorize super user rights with SHE MASTER _ ECU _ KEY.
- I didn't find an example directly for SHE version, so it's just necessary to follow section 9.5 Request for Super User rights in the HSE FW RM.

 

Regards,

Lukas

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1,519 次查看
lukaszadrapa
NXP TechSupport
NXP TechSupport

Hi @youxi 

How to update the Nvm key and the Master key?
- Standard Memory Update Protocol defined by SHE specification should be used. You can take a look at function MemoryUpdateProtocol() in HSE DEMO APP or in HSE examples.

Do I need super user rights?
- No, these rights do not apply to SHE Memory Update Protocol.

How to authorize super user rights with SHE MASTER _ ECU _ KEY.
- I didn't find an example directly for SHE version, so it's just necessary to follow section 9.5 Request for Super User rights in the HSE FW RM.

 

Regards,

Lukas

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