Add 7 additional Microsoft Surface KEK update packages: - #437
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SochiOgbuanya merged 2 commits intoJun 30, 2026
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- PK19: 4484F86E (SH2 2022 UEFI PK Signer) - PK20: 999B48E3 (AFF UEFI PK CA 2015) - PK21: CB8F3251 (LFF 3 Firmware CA 2016) - PK22: 5EAE312B (LFF 3 UEFI PK Signer) - PK23: C35BFE0D (NFF UEFI PK Signer) - PK24: E8DFD45C (LFF 2 UEFI PK CA 2014) - PK25: F4BC8D56 (XLFF UEFI PK CA 2014)
- PK26: F7CE1657 (LFF UEFI PK CA 2014)
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Description
Add KEK update binaries for the following Surface PK thumbprints:
PK19: 4484F86E (SH2 2022 UEFI PK Signer)
PK20: 999B48E3 (AFF UEFI PK CA 2015)
PK21: CB8F3251 (LFF 3 Firmware CA 2016)
PK22: 5EAE312B (LFF 3 UEFI PK Signer)
PK23: C35BFE0D (NFF UEFI PK Signer)
PK24: E8DFD45C (LFF 2 UEFI PK CA 2014)
PK25: F4BC8D56 (XLFF UEFI PK CA 2014)
Impacts functionality?
Impacts security?
Breaking change?
Includes tests?
Includes documentation?
How This Was Tested
Tested on Surface devices associated with each thumbprint. No adverse effects to SecureBoot, Secured Core, or Bitlocker.
Integration Instructions
N/A