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Basil Hess

PROFILE

Basil Hess

Basil Hess contributed to open-quantum-safe/liboqs and pq-code-package/mlkem-c-aarch64, focusing on cryptographic algorithm integration, CI reliability, and cross-platform build stability. He implemented ML-KEM and ML-DSA updates aligned with FIPS and NIST standards, optimized for ARM NEON and AVX2, and enhanced test coverage using C and Assembly. Basil addressed low-level bugs, such as matrix entry correctness and Windows inlining issues, improving reliability on AArch64 and MSVC. He restored and stabilized CI workflows, re-enabled comprehensive ACVP testing, and maintained documentation and contributor governance. His work demonstrated depth in cryptography, build systems, and performance optimization across diverse architectures and environments.

Overall Statistics

Feature vs Bugs

40%Features

Repository Contributions

12Total
Bugs
6
Commits
12
Features
4
Lines of code
139,314
Activity Months8

Work History

October 2025

1 Commits

Oct 1, 2025

October 2025: Delivered reliability and test-stability improvements for SLH-DSA in liboqs, addressing weekly test failures and memory safety concerns, tuning CI pipelines, and updating templates for correct address sizes and constant-time tests. These changes reduced flaky tests, improved CI throughput, and reinforced cryptographic correctness.

September 2025

1 Commits

Sep 1, 2025

In September 2025, completed the re-enablement of the full ACVP test suite in open-quantum-safe/liboqs, restoring pytest.main as the test driver to run all ACVP tests. This fix ensures complete test coverage, earlier detection of regressions, and more reliable validation of ACVP workflows. The change is captured in commit dd942d434463872193ba282250532ac0be15f1e3 with message 'Re-enable all ACVP tests [full tests] (#2283)'. Key impact includes improved CI reliability, higher quality gates, and faster feedback for developers working on ACVP-related validation.

April 2025

1 Commits • 1 Features

Apr 1, 2025

April 2025 delivered governance and attribution improvements in the mlkem-c-aarch64 repo, including adding Basil Hess to the RELICENSE.md contributor list, aligning with license compliance practices, and reinforcing project transparency.

March 2025

3 Commits • 1 Features

Mar 1, 2025

March 2025 monthly summary focusing on delivering NIST Round 2 aligned updates for MAYO and UOV with ARM64 NEON optimizations, plus documentation and spec version changes. These efforts enhance compliance, performance, and platform coverage for liboqs, supporting faster validation and broader adoption.

February 2025

2 Commits • 1 Features

Feb 1, 2025

February 2025 monthly summary for open-quantum-safe/liboqs. Focused on stabilizing CI workflows and delivering significant cryptographic feature work. Highlights include a CI reliability improvement and the introduction of ML-KEM integration with optimized native backends and comprehensive testing across architectures, aligning with performance and standards goals.

January 2025

1 Commits

Jan 1, 2025

January 2025: Focused on stabilizing cross-platform builds for pq-code-package/mlkem-c-aarch64. Implemented a Windows MSVC inline compatibility fix by replacing generic inline attributes with MSVC-specific __forceinline and __inline in sys.h, addressing compile-time inlining issues and ensuring consistent optimization across Windows. This change reduces Windows build failures, simplifies maintenance, and strengthens the repository's cross-compiler reliability. The work preserves inlining semantics and aligns with performance goals. Commit reference: 9001b42d0d14c79499a6ab8626e8498ec69a1d2e.

December 2024

1 Commits

Dec 1, 2024

December 2024 monthly summary for pq-code-package/mlkem-c-aarch64 focusing on a targeted correctness fix in matrix entry generation and overall reliability improvements. Delivered a high-impact bug fix with clear commits and increased confidence in low-level cryptographic computation.

November 2024

2 Commits • 1 Features

Nov 1, 2024

2024-11 Monthly summary for open-quantum-safe/liboqs focusing on reliability, compliance, and technical delivery. Key actions included restoring CI build workflow, s390x cross-compilation policy, and delivering ML-DSA update per FIPS 204 with API/ACVP test enhancements. These efforts improved release confidence, reduced risk, and strengthened interoperability.

Activity

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Quality Metrics

Correctness91.6%
Maintainability93.4%
Architecture88.4%
Performance88.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

AssemblyCCMakeMarkdownPythonShellYAML

Technical Skills

ARM NEONAssembly LanguageAssembly Language ProgrammingBuild SystemsCC ProgrammingCI/CDCMakeCompiler DirectivesConfiguration ManagementCross-Platform DevelopmentCross-compilationCryptographyDigital SignaturesDocumentation

Repositories Contributed To

2 repos

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

open-quantum-safe/liboqs

Nov 2024 Oct 2025
5 Months active

Languages Used

AssemblyCCMakePythonShellYAMLMarkdown

Technical Skills

Assembly LanguageBuild SystemsC ProgrammingCI/CDCMakeCross-compilation

pq-code-package/mlkem-c-aarch64

Dec 2024 Apr 2025
3 Months active

Languages Used

C

Technical Skills

CryptographyLow-level programmingCCompiler DirectivesCross-Platform Development

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