https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/KeyBlob-secure-boot/m-p/1451090#M19383 <P>Hello community,</P><P>I am checking the operation of the i.MXRT600 OTFAD boot.</P><P>[Question]<BR />Q1.<BR />If the Key written to the shadow register of the i.MX6xx and the KeyBlob written of the QSPI Flash are successfully authenticated, the boot is successful. Is my understand correct ?<BR />Q2.<BR />I have a question about KeyBlob(0x0). the keyBlob is changed in the secure binary built image with SPT, even though the key is the same. How can I understand this ?<BR />I attached file. (FILE NAME: 220429_KeyBlob_v2.pdf)<BR />Please help you understand my question.</P><P>Best Regards,<BR />Issey</P> Fri, 29 Apr 2022 06:43:23 GMT otaissey 2022-04-29T06:43:23Z https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/KeyBlob-secure-boot/m-p/1451090#M19383 <P>Hello community,</P><P>I am checking the operation of the i.MXRT600 OTFAD boot.</P><P>[Question]<BR />Q1.<BR />If the Key written to the shadow register of the i.MX6xx and the KeyBlob written of the QSPI Flash are successfully authenticated, the boot is successful. Is my understand correct ?<BR />Q2.<BR />I have a question about KeyBlob(0x0). the keyBlob is changed in the secure binary built image with SPT, even though the key is the same. How can I understand this ?<BR />I attached file. (FILE NAME: 220429_KeyBlob_v2.pdf)<BR />Please help you understand my question.</P><P>Best Regards,<BR />Issey</P> Fri, 29 Apr 2022 06:43:23 GMT https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/KeyBlob-secure-boot/m-p/1451090#M19383 otaissey 2022-04-29T06:43:23Z https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/KeyBlob-secure-boot/m-p/1454412#M19473 <P>Hi,<BR />Thank you for your interest in NXP Semiconductor products and for the opportunity to serve you.<BR />To provide the fastest possible support, I'd highly recommend you refer to the application to learn the details on the OTFAD module.<BR />Have a great day,<BR />TIC</P> <P>-------------------------------------------------------------------------------<BR />Note:<BR />- If this post answers your question, please click the "Mark Correct" button. Thank you!</P> <P>&nbsp;</P> <P>- We are following threads for 7 weeks after the last post, later replies are ignored<BR />Please open a new thread and refer to the closed one, if you have a related question at a later point in time.<BR />-------------------------------------------------------------------------------</P> Sat, 07 May 2022 00:31:26 GMT https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/KeyBlob-secure-boot/m-p/1454412#M19473 jeremyzhou 2022-05-07T00:31:26Z