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Lpc55 nethsm - #780

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AdityaMitra5102 wants to merge 12 commits into
Nitrokey:mainfrom
AdityaMitra5102:lpc55-nethsm
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Lpc55 nethsm#780
AdityaMitra5102 wants to merge 12 commits into
Nitrokey:mainfrom
AdityaMitra5102:lpc55-nethsm

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Adds support for LPC55 signing with pynitrokey.

Built on top of code at PR #775

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AdityaMitra5102 requested a review from a team as a code owner August 7, 2026 13:41
@AdityaMitra5102
AdityaMitra5102 requested review from daringer, james-knippes, mmerklinger, robin-nitrokey and sosthene-nitrokey and removed request for a team August 7, 2026 13:41
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AdityaMitra5102 commented Aug 7, 2026

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To test: Setup NetHSM with similar commands as in #775

Then use

nitropy-lpc generate --cert-path lpctest --binary-path lpctest/firmware-nk3xn-lpc55-v1.8.3.bin --commands lpctest/commands.bd --sbkek lpctest/sbkek.txt --rkth rkth.bin --key sk.txt --use-nethsm --use-key-file --nethsm-host nethsmdemo.nitrokey.com --nethsm-username operatoruser --nethsm-password operatoroperator --verify-tls signed_lpc_binary.sb2

(In the above example all DER files are in the folder lpctest)

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