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claude

PROFILE

Claude

Claude contributed to the GaloisInc/zk-lean repository by developing a foundational formal verification scaffold for cryptographic primitives, focusing on the Keccak hashing algorithm. Using Lean and functional programming techniques, Claude verified the Keccak-f permutation and its round functions, including theta, rho_pi, chi, and iota, and established a sound proof chain for core cryptographic components. The work included correcting SHA3-256 implementation and verification to align with the FIPS 202 standard, ensuring cryptographic correctness. Claude’s approach emphasized incremental proof development and rigorous testing, resulting in a robust base for ongoing verification efforts and demonstrating depth in formal methods and cryptography.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

6Total
Bugs
0
Commits
6
Features
1
Lines of code
725
Activity Months1

Work History

January 2026

6 Commits • 1 Features

Jan 1, 2026

January 2026 monthly summary for GaloisInc/zk-lean focused on strengthening cryptographic correctness and security assurances through formal verification of Keccak components, SHA3-256 alignment with FIPS 202, and incremental-proof discipline. Delivered a foundational verification scaffold for cryptographic primitives with visible evidence of milestone proofs and a maintained aperture for ongoing WIP items.

Activity

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Quality Metrics

Correctness93.4%
Maintainability76.6%
Architecture96.6%
Performance76.6%
AI Usage23.4%

Skills & Technologies

Programming Languages

Lean

Technical Skills

Lean programmingalgorithm designcryptographyformal verificationfunctional programmingproof developmenttesting

Repositories Contributed To

1 repo

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

GaloisInc/zk-lean

Jan 2026 Jan 2026
1 Month active

Languages Used

Lean

Technical Skills

Lean programmingalgorithm designcryptographyformal verificationfunctional programmingproof development

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