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Kacper Stojek

PROFILE

Kacper Stojek

Kacper Stojek developed boot-time security and virtualization configurability features for Dasharo platforms, focusing on the Dasharo/edk2 and Dasharo/coreboot repositories. He implemented DMA protection and IOMMU handoff options in DasharoModulePkg and introduced a VT-d policy property mask in DasharoPayloadPkg, enabling granular virtualization configuration. In Dasharo/coreboot, he enabled DMA protection during the boot process based on configuration, enhancing hardware isolation and reducing the risk of DMA-based attacks. His work demonstrated expertise in UEFI development, low-level system programming, and configuration management using C and Dsc, delivering targeted improvements in secure boot and virtualization policy flexibility.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

3Total
Bugs
0
Commits
3
Features
2
Lines of code
115
Activity Months1

Work History

February 2023

3 Commits • 2 Features

Feb 1, 2023

February 2023 monthly performance summary focusing on boot-time security and virtualization configurability across Dasharo platforms. Delivered critical enhancements in Dasharo/edk2: implemented DMA Protection and IOMMU handoff options in DasharoModulePkg and introduced a VT-d policy property mask in DasharoPayloadPkg to expand virtualization configuration options. In Dasharo/coreboot, enabled DMA protection during boot based on configuration to strengthen boot-time security. No major bugs documented as fixed in this period. Overall impact centers on strengthened hardware isolation, reduced risk of DMA-based attacks during boot, and clearer, configurable secure-boot capabilities. Technologies demonstrated include UEFI/EDK II development, Coreboot integration, DMA protection, IOMMU, VT-d policy configuration, and PCD management for boot-time settings.

Activity

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Quality Metrics

Correctness86.6%
Maintainability86.6%
Architecture86.6%
Performance86.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

CDsc

Technical Skills

Configuration ManagementEmbedded SystemsFirmware DevelopmentUEFI developmentembedded systemslow-level programmingsecurity featuressystem programming

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

Dasharo/edk2

Feb 2023 Feb 2023
1 Month active

Languages Used

CDsc

Technical Skills

Configuration ManagementEmbedded SystemsFirmware DevelopmentUEFI developmentembedded systemssystem programming

Dasharo/coreboot

Feb 2023 Feb 2023
1 Month active

Languages Used

C

Technical Skills

embedded systemslow-level programmingsecurity features

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