Lukas Pühringer
Software Engineer at eclipse
Linz, Upper Austria
Summary
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RockstarLukas Pühringer is a security-focused software engineer based in Linz, Austria, with 13 years of hands-on experience building robust back-end systems. He specializes in supply chain security and has made notable open-source contributions to high-profile projects like in-toto and The Update Framework (TUF), improving signature parsing, metadata APIs, and key management. Lukas has a track record of replacing ad-hoc crypto code with established libraries (securesystemslib), fixing vulnerabilities, and tightening dependency and test configurations to raise project-wide security posture. Comfortable across implementation and design, he blends practical engineering with a deep appreciation for auditable, verifiable workflows. Colleagues rely on him for pragmatic security improvements that integrate cleanly into existing codebases rather than theoretical-only solutions.
13 years of coding experience
Github Skills (12)
it-security10
gnupg10
python10
cryptography10
pg10
security10
testing9
data-structure9
py9
data-structures9
configuration-management8
api-design8
Programming languages (14)
Github contributions (5)
in-toto/in-toto
Jun 2016 - Jan 2023
in-toto is a framework to protect supply chain integrity.
Role in this project:
Back-end Developer & Security Engineer
Back-end Developer & Security EngineerContributions:13 releases, 209 reviews, 1059 commits in 6 years 7 months
Contributions summary:Lukas contributed to the project by adding a new subdirectory common to toto and tuf, which houses the schema.py and other relevant files, potentially for shared functionality. The commits indicate a focus on security-related components and formats, as the user worked with data structures, and with gpg signing. Furthermore, the user implemented a function to parse a signature.
protectnew-york-universitytotosecure-systems-labsecurity
theupdateframework/python-tuf
Jan 2017 - Jan 2023
Python reference implementation of The Update Framework (TUF)
Role in this project:Back-end & Security Engineer
Back-end & Security EngineerContributions:4 releases, 567 reviews, 527 commits in 6 years
Contributions summary:Lukas primarily contributed to enhancing the security of the TUF Python implementation. They refactored the `repository_lib` module to utilize `securesystemslib` for key generation and management, replacing custom implementations with calls to the more secure library. The user also fixed vulnerabilities, updated dependencies and test configurations (e.g., coverage paths, installing TUF in editable mode), and added the correct PGP fingerprint, which enhanced the security of the project. Furthermore, they have made enhancements to the metadata API in the project.
pythonsecuritycompromiserevocationupdate
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