nuttxpr commented on PR #15470:
URL: https://github.com/apache/nuttx/pull/15470#issuecomment-2577464980

   [**\[Experimental Bot, please feedback 
here\]**](https://github.com/search?q=repo%3Aapache%2Fnuttx+13552&type=issues)
   
   
   
   This PR appears to mostly meet the NuttX requirements, but is missing some 
key information.
   
   **Missing/Needs Improvement:**
   
   * **Summary:** While the summary provides a title of the change, it lacks 
crucial details.  It needs to explicitly state *why* this change is necessary. 
Is it fixing a bug, adding a new feature, or an optimization? What problem does 
it solve?  The summary should also mention the functional part of the code 
being changed (e.g., the OTA update mechanism).
   * **Impact:** While it mentions adding a new interface, it lacks specifics.
       * **User Impact:** Does this change the way users interact with OTA 
updates?  If so, how?
       * **Build Impact:** Are there any build system changes required (e.g., 
new Kconfig options)?
       * **Hardware Impact:** It mentions esp32s3, but is it *only* for 
esp32s3?  Are any specific peripherals involved?
       * **Documentation:** Does this require documentation updates?  If so, 
have they been included in the PR?  If not, why not?
       * **Security:** Decryption is mentioned.  *This is crucial*. The PR 
*must* explain the security implications thoroughly. What encryption algorithm 
is used?  How are keys managed? What are the potential vulnerabilities?
       * **Compatibility:** Does this break any existing functionality?
   * **Testing:** The provided logs only show the "after" scenario.  Logs from 
*before* the change are needed to demonstrate the difference and prove the 
fix/feature works.  The testing also needs more detail:
       * **Build Host:** Specify the OS, CPU architecture, and compiler version 
used for building NuttX.
       * **Target:** More details are needed. "sim, RISC-V, ARM" isn't 
sufficient. Specify the *specific* board and configuration used (e.g., 
`esp32s3-devkitc:default`).  Was the test performed on real hardware or a 
simulator (QEMU)?
   
   
   **Example of Improved Summary and Impact Sections:**
   
   **Summary:** This PR adds support for reading encrypted OTA partitions on 
the esp32s3. Previously, reading OTA partitions with decryption was not 
possible, preventing secure OTA updates. This change adds a new interface to 
the MTD subsystem specifically for the esp32s3, enabling secure access to 
firmware updates.  This addresses [NuttX Issue #XXXX] (if applicable).
   
   **Impact:**
   * **New Feature:** Adds support for reading encrypted OTA partitions on 
esp32s3.
   * **User Impact:** YES. Users can now perform secure OTA updates.  They will 
need to use the new `tc_ota_test --read_partion_decrypt` command to validate 
the decrypted data.
   * **Build Impact:** NO.
   * **Hardware Impact:** YES. Only affects esp32s3. Uses the SPI flash 
peripheral and the esp32s3's hardware encryption engine.
   * **Documentation Impact:** YES. Documentation updates included in this PR 
explaining the new interface and its usage.
   * **Security Impact:** YES. This change implements AES-256 decryption for 
OTA partitions. Keys are stored in efuse and are provisioned during 
manufacturing. (Expand on key management and potential vulnerabilities).
   * **Compatibility Impact:** NO. This is a new feature and does not break 
existing functionality.
   
   
   
   By adding this missing information, the PR will be much clearer and easier 
to review.  This will significantly improve the chances of it being merged.
   


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