topic Re: Storage for AES Keys in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/Storage-for-AES-Keys/m-p/150004#M175 <HTML><HEAD></HEAD><BODY><P>Setting certain bitfields at 0x0_040C will prevent the chip's flash from being read by debug devices Look for the Flash Security register FSEC. This data is also mirror in the register FTFL_FSEC. This will effect the entire flash of the chip, but this is good practice if there are security concerns.</P></BODY></HTML> Mon, 25 Jun 2012 04:24:33 GMT BenGartner 2012-06-25T04:24:33Z Storage for AES Keys https://community.nxp.com/t5/Kinetis-Microcontrollers/Storage-for-AES-Keys/m-p/150003#M174 <HTML><HEAD></HEAD><BODY><P>AN4235 mentions secure storage of encryption keys in the MPC564 via the CSE (Crytpographic Services Engine). Does the Kinetis have any such write-only storage that could be used to securely store AES encryption keys for use with the CAU (Cryptographic Acceleration Unit)?</P><P>&nbsp;</P><P>It seems counterintuitive to encrypt when the keys can simply be read from flash...</P></BODY></HTML> Thu, 29 Mar 2012 06:59:23 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Storage-for-AES-Keys/m-p/150003#M174 dspNeil 2012-03-29T06:59:23Z Re: Storage for AES Keys https://community.nxp.com/t5/Kinetis-Microcontrollers/Storage-for-AES-Keys/m-p/150004#M175 <HTML><HEAD></HEAD><BODY><P>Setting certain bitfields at 0x0_040C will prevent the chip's flash from being read by debug devices Look for the Flash Security register FSEC. This data is also mirror in the register FTFL_FSEC. This will effect the entire flash of the chip, but this is good practice if there are security concerns.</P></BODY></HTML> Mon, 25 Jun 2012 04:24:33 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Storage-for-AES-Keys/m-p/150004#M175 BenGartner 2012-06-25T04:24:33Z