logsem/clutch
Nov 2024 – Jun 2025
3 Months active
Languages Used
Coq
Technical Skills
Formal VerificationFunctional ProgrammingProof EngineeringAbstract AlgebraCoqCryptographic Proofs
Philipp G. Haselwarter
PROFILE
Philipp G. Haselwarter
Philipp Haselwarter developed formal verification frameworks and cryptographic proofs in the logsem/clutch repository, focusing on the security of cryptographic primitives such as ElGamal and KEM/DEM. Using Coq and leveraging skills in functional programming and proof engineering, Philipp introduced new definitions, lemmas, and tactics to strengthen the reliability and maintainability of security proofs. His work included refactoring probabilistic constructs for clarity, enhancing documentation, and establishing quantitative bounds on algorithm performance. By improving proof modularity and automating verification workflows, Philipp enabled reproducible, auditable results, laying a robust foundation for future formal audits and long-term security assurance in cryptographic software.
Overall Statistics
Feature vs Bugs
80%Features
Repository Contributions
18Total
Bugs
1
Commits
18
Features
4
Lines of code
8,056
Activity Months3
Your Network
6 people
Work History
June 2025
2 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for logsem/clutch: Delivered substantial groundwork for security assurance through a formal verification framework for CPA security of KEM/DEM, and made a targeted documentation improvement. These efforts strengthen cryptographic properties proofability, improve maintainability, and set the stage for future formal proofs and audits.
2 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for logsem/clutch: Delivered substantial groundwork for security assurance through a formal verification framework for CPA security of KEM/DEM, and made a targeted documentation improvement. These efforts strengthen cryptographic properties proofability, improve maintainability, and set the stage for future formal proofs and audits.
June 2025
April 2025
15 Commits • 2 Features
Apr 1, 2025April 2025 monthly performance highlights for logsem/clutch. Delivered substantive formal verification work strengthening cryptographic proofs and improved proof engineering stability. Two main feature streams were advanced: (1) formal verification enhancements for ElGamal security proofs and PRF-CPA framework, and (2) LR intro tactic and coupling proof enhancements within the relational verification framework. The work encompassed 15 commits across these streams, driving higher assurance for cryptographic primitives and improving maintainability of the verification codebase.
April 2025
15 Commits • 2 Features
Apr 1, 2025April 2025 monthly performance highlights for logsem/clutch. Delivered substantive formal verification work strengthening cryptographic proofs and improved proof engineering stability. Two main feature streams were advanced: (1) formal verification enhancements for ElGamal security proofs and PRF-CPA framework, and (2) LR intro tactic and coupling proof enhancements within the relational verification framework. The work encompassed 15 commits across these streams, driving higher assurance for cryptographic primitives and improving maintainability of the verification codebase.
November 2024
1 Commits • 1 Features
Nov 1, 2024November 2024 — logsem/clutch delivered concrete quantitative enhancements to Tachis appendix: added an expected value example with a reference, refactored the toss definition for clarity, and introduced a new op_ert fact to bound the expected running time of a targeted operation. No major bugs reported; improvements strengthen analytical rigor and performance forecasting, setting a foundation for reliable math-based decisions and faster contributor onboarding.
1 Commits • 1 Features
Nov 1, 2024November 2024 — logsem/clutch delivered concrete quantitative enhancements to Tachis appendix: added an expected value example with a reference, refactored the toss definition for clarity, and introduced a new op_ert fact to bound the expected running time of a targeted operation. No major bugs reported; improvements strengthen analytical rigor and performance forecasting, setting a foundation for reliable math-based decisions and faster contributor onboarding.
November 2024
Activity
Loading activity data...
Quality Metrics
Correctness91.6%
Maintainability85.6%
Architecture84.8%
Performance70.6%
AI Usage21.2%
Skills & Technologies
Programming Languages
Coq
Technical Skills
Abstract AlgebraCode ReviewCoqCryptographic ProofsCryptographyDocumentationFormal VerificationFunctional ProgrammingMathematical LogicNumber TheoryProbabilistic ProgrammingProof EngineeringRelational ReasoningSoftware EngineeringTheorem Proving
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline