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[rom] fix bug in ROM that computes OTP measurements #25975

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timothytrippel
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This fixes a bug in the ROM that computes OTP measurements to populate the keymgr attestation binding CSRs, if the OTP fuse (OWNER_SW_CFG_ROM_KEYMGR_OTP_MEAS_EN) to request this is set. Additionally, this fixes the corresponding ROM E2E test as well, and enhances its robustness.

@timothytrippel timothytrippel marked this pull request as ready for review January 22, 2025 19:20
@timothytrippel timothytrippel requested a review from a team as a code owner January 22, 2025 19:20
@timothytrippel timothytrippel marked this pull request as draft January 22, 2025 19:20
@timothytrippel timothytrippel removed the request for review from a team January 22, 2025 19:20
@timothytrippel timothytrippel marked this pull request as ready for review January 22, 2025 22:52
This fixes a bug in the ROM that computes OTP measurements to populate
the keymgr attestation binding CSRs, if the OTP fuse
(`OWNER_SW_CFG_ROM_KEYMGR_OTP_MEAS_EN`) to request this is set.
Additionally, this fixes the corresponding ROM E2E test as well, and
enhances its robustness.

Signed-off-by: Tim Trippel <[email protected]>
@timothytrippel timothytrippel merged commit d1e4892 into lowRISC:earlgrey_1.0.0 Jan 23, 2025
36 checks passed
@timothytrippel timothytrippel deleted the fix-otp-hash-bug branch January 23, 2025 18:33
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3 participants