https://community.nxp.com/t5/S32K/Secure-boot-AES-Cipher-Type/m-p/2167958#M52607 <P>Hi&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/254751">@addisonaudette1</a>,</P> <P>HSE includes an AES engine supporting all standard key sizes (128, 192, 256 bits) and various complex ciphering modes (CBC, CTR, GCM, and so on).</P> <P>You can refer to HSE's reference manual, from secure files inside the S32K3 page:&nbsp;<A href="https://www.nxp.com/products/S32K3" target="_blank">S32K3 Auto General-Purpose MCUs.</A></P> <P>Best regards,<BR />Julián</P> Thu, 11 Sep 2025 15:53:59 GMT Julián_AragónM 2025-09-11T15:53:59Z https://community.nxp.com/t5/S32K/Secure-boot-AES-Cipher-Type/m-p/2167903#M52605 <P>What AES cipher type does the secure boot implementation for S32k33 boards use?</P> Thu, 11 Sep 2025 13:35:17 GMT https://community.nxp.com/t5/S32K/Secure-boot-AES-Cipher-Type/m-p/2167903#M52605 addisonaudette1 2025-09-11T13:35:17Z https://community.nxp.com/t5/S32K/Secure-boot-AES-Cipher-Type/m-p/2167958#M52607 <P>Hi&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/254751">@addisonaudette1</a>,</P> <P>HSE includes an AES engine supporting all standard key sizes (128, 192, 256 bits) and various complex ciphering modes (CBC, CTR, GCM, and so on).</P> <P>You can refer to HSE's reference manual, from secure files inside the S32K3 page:&nbsp;<A href="https://www.nxp.com/products/S32K3" target="_blank">S32K3 Auto General-Purpose MCUs.</A></P> <P>Best regards,<BR />Julián</P> Thu, 11 Sep 2025 15:53:59 GMT https://community.nxp.com/t5/S32K/Secure-boot-AES-Cipher-Type/m-p/2167958#M52607 Julián_AragónM 2025-09-11T15:53:59Z