Otsca test #398
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Otsca test #398
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siemen11
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andrea-caforio,
nasahlpa and
vogelpi
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nasahlpa
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Jul 21, 2025
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Thanks Siemen for working this, having a test framework for ot-sca <-> pentest framework does have a huge impact on the maintainability of the pentesting infrastructure :)
I've dropped a couple of comments. It seems that your changes broke the current SCA capture scripts (please see the CI). In order to merge this we would need to make sure that they still work.
nasahlpa
reviewed
Jul 21, 2025
nasahlpa
reviewed
Jul 22, 2025
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Thanks Siemen. I'd suggest a couple of points before we can merge this:
- Can you please rebase the PR such that we see that CI passes?
- Would it be possible to add a very brief documentation to
test/penetrationtests, i.e., a brief how to run this? - Could you please squash some of the commits? E.g., creating a new communication folder and then moving it again at the end?
- Would it be possible to move the default configs for the target/communication scripts outside of these functions?
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nasahlpa
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target/cw_fpga.py
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| # Initialize ChipWhisperer scope. This is needed to program the binary. | ||
| # Note that the actual scope config for capturing traces is later | ||
| # initialized. | ||
| self.scope = cw.scope(sn=self.husky_serial) |
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We need to keep passing the husky_serial as somehow the CW driver needs that. Now, when having attached multiple CW Huskies, the CW driver asserts that multiple are attached and it needs the serial number.
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Will add it by updating your commit.
Bitstreams were generated with: ./bazelisk.sh build //hw/bitstream/vivado:fpga_cw310_test_rom ot-sca_cw310 binaries & bitstreams & opentitantool: commit: lowRISC/opentitan@867c06a ot-sca_cw310_aes binaries & bitstreams: commit: lowRISC/opentitan@51a8f50 ot-sca_cw310_otbn binaries & bitstreams: commit: lowRISC/opentitan@2898576 ot-sca_cw310_kmac binaries & bitstreams: commit: lowRISC/opentitan@a288f62 Signed-off-by: Pascal Nasahl <[email protected]>
Update the yaml files to version v1.0.3 of OpenTitan's pentest framework. Signed-off-by: Siemen Dhooghe <[email protected]>
Integrate the capture and fault injection scripts to the latest pentest framework v1.0.3. This also deprecates the CW305 board and removes the output_len and input_len values in the cfg. Signed-off-by: Siemen Dhooghe <[email protected]> Co-authored-by: Pascal Nasahl <[email protected]>
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Update ot-sca to latest pentestOS on OT.
To do: