AN5056 Rev 8 39/49
AN5056 Adapting SBSFU
48
7.4 How to improve boot time
To resist a basic fault injection attack, some critical actions are duplicated thus are impacting
the time to start the user application. If such protections are not needed, for example, if
there is no physical access to the device, these counter-measures can be removed as
shown in
Figure 34.
Figure 34. Boot time
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