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km34

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RajPadmani
Contributor II

I have a KM34 microcontroller, and I want to enable secure boot, which performs encryption and decryption operations using AES-128

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xiangjun_rong
NXP TechSupport
NXP TechSupport

Hi,

The KM34 has MMCAU module, it supports AES-128, in other words, it can encrypt plain message with key and generate cipher message, it can also decrypt the cipher message with key and generate plain message.

but the secure boot is another concept, based on asymmetric encryption algorithms, the public/private key are generated for example RSA, eCC, the code is hashed and generate hash value, the hash value is signed with private key, and generate signed message.

The boot code verify the signed message with public key and verify if the code is modified...

I suppose that the KM34 does not support secure boot.

Hope it can help you

BR

XiangJun Rong