https://community.nxp.com/t5/Kinetis-Microcontrollers/km34/m-p/1892786#M66468 <P>I have a KM34 microcontroller, and I want to enable secure boot, which performs encryption and decryption operations using AES-128</P> Mon, 24 Jun 2024 09:50:14 GMT RajPadmani 2024-06-24T09:50:14Z https://community.nxp.com/t5/Kinetis-Microcontrollers/km34/m-p/1892786#M66468 <P>I have a KM34 microcontroller, and I want to enable secure boot, which performs encryption and decryption operations using AES-128</P> Mon, 24 Jun 2024 09:50:14 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/km34/m-p/1892786#M66468 RajPadmani 2024-06-24T09:50:14Z https://community.nxp.com/t5/Kinetis-Microcontrollers/km34/m-p/1893223#M66471 <P>Hi,</P> <P>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.</P> <P>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.</P> <P>The boot code verify the signed message with public key and verify if the code is modified...</P> <P>I suppose that the KM34 does not support secure boot.</P> <P>Hope it can help you</P> <P>BR</P> <P>XiangJun Rong</P> Tue, 25 Jun 2024 02:02:25 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/km34/m-p/1893223#M66471 xiangjun_rong 2024-06-25T02:02:25Z