AN5056 Rev 8 41/49
AN5056 Adapting the user application
48
For user application encryption, the user application binary file length must be a multiple of
16 bytes.
Figure 36 shows how to update the linker file to verify this constraint.
Figure 36. User application binary file length
Finally, as done in the UserApp example, the IDE configuration must be updated to:
1. Generate a UserApp.bin file
2. Include search path for linker common files
3. Call postbuilb.bat to generate UserApp.sfb and SBFU_UserApp.bin with the correct
slot identification (1/2/3)
4. Integrate se_interface_appli.o to access Secure Engine runtime services if any
Figure 37. IDE adaptations
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