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[FAQ] F29H850TU: SDK Crypto Examples don't work when loading through CCS debugger in HSFS.

Aditya Singal
Intellectual 1770 points

Part Number: F29H850TU

When i load a crypto example from the SDK through the ccs debugger and run it from the same, it doesn't work until i give an XRSn or a PORSn.

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    TI__Intellectual 1770 points

    The explanation why the CRC Example doesn’t work and why you cannot modify the crypto registers through the memory view from C29

    before flashing the required example built in Flash build configuration is the following:

     

    1. By default the crypto engines are mapped to the HSM.
    2. When using a flash built example with a crypto unlock certificate, the crypto engines are mapped to C29 on the next reset/boot.
    3. This mapping happens during the initial boot up flow of the device and hence after erasing flash, the crypto engines are no longer mapped to C29.