Crypto-TII/claasp
Mar 2025 – Jun 2025
4 Months active
Languages Used
PythonDockerfileMarkdownYAMLC
Technical Skills
Block CiphersCryptographyPython DevelopmentBlock Cipher ImplementationCipher ImplementationCode Formatting
Alessandro De Piccoli
PROFILE
Alessandro De Piccoli
Alessandro De Piccoli contributed to the Crypto-TII/claasp repository by engineering and refining cryptographic modules, focusing on block cipher implementations and SAT solver workflows. Over four months, he delivered features and fixes that improved code readability, maintainability, and cryptographic correctness, using Python and C alongside Docker for containerized builds. His work included modularizing SAT constraint handling, standardizing code formatting with tools like Ruff, and enhancing test coverage for block ciphers such as SKINNY. By decoupling model dependencies and improving output formatting, Alessandro reduced maintenance overhead and enabled more deterministic CI results, demonstrating depth in cryptography, code quality, and build system optimization.
Overall Statistics
Feature vs Bugs
60%Features
Repository Contributions
51Total
Bugs
6
Commits
51
Features
9
Lines of code
13,554
Activity Months4
Work History
June 2025
5 Commits • 1 Features
Jun 1, 2025June 2025 monthly performance for Crypto-TII/claasp. Focused on refactoring SAT constraint handling and hardening the test suite. Key outcomes include decoupling SAT constraint construction from the model, encapsulating SBOX templates and LAT within the SBOX class to enable cleaner interfaces and potential performance gains, and delivering targeted fixes to hex handling and test expectations to improve reliability across the CP module. These changes reduce coupling, increase maintainability, and set the stage for faster iteration on SAT-related features while delivering measurable business value through more deterministic builds and fewer regressions.
5 Commits • 1 Features
Jun 1, 2025June 2025 monthly performance for Crypto-TII/claasp. Focused on refactoring SAT constraint handling and hardening the test suite. Key outcomes include decoupling SAT constraint construction from the model, encapsulating SBOX templates and LAT within the SBOX class to enable cleaner interfaces and potential performance gains, and delivering targeted fixes to hex handling and test expectations to improve reliability across the CP module. These changes reduce coupling, increase maintainability, and set the stage for faster iteration on SAT-related features while delivering measurable business value through more deterministic builds and fewer regressions.
June 2025
May 2025
10 Commits • 1 Features
May 1, 2025May 2025 Monthly Summary for Crypto-TII/claasp: Delivered a code quality and maintainability overhaul for cryptographic modules and the Docker/build environment, preserving cryptographic behavior while improving readability, consistency, and long-term maintainability. Implemented standardized naming mappings, comprehensive linting, and formatting across cryptographic modules (stream/toy ciphers, permutations) and build scripts; integrated Ruff formatter; updated Dockerfile and build prompts to improve developer experience. Fixed a SAT model hexadecimal output formatting bug to ensure all solution values are 0x-prefixed for readability and downstream tooling compatibility. These changes reduce future maintenance effort, accelerate onboarding, and strengthen CI reliability. Demonstrated skills include code quality tooling, static analysis, formatting standards, Docker-based build optimization, and careful attention to output formatting with tangible business impact on reliability and developer productivity.
May 2025
10 Commits • 1 Features
May 1, 2025May 2025 Monthly Summary for Crypto-TII/claasp: Delivered a code quality and maintainability overhaul for cryptographic modules and the Docker/build environment, preserving cryptographic behavior while improving readability, consistency, and long-term maintainability. Implemented standardized naming mappings, comprehensive linting, and formatting across cryptographic modules (stream/toy ciphers, permutations) and build scripts; integrated Ruff formatter; updated Dockerfile and build prompts to improve developer experience. Fixed a SAT model hexadecimal output formatting bug to ensure all solution values are 0x-prefixed for readability and downstream tooling compatibility. These changes reduce future maintenance effort, accelerate onboarding, and strengthen CI reliability. Demonstrated skills include code quality tooling, static analysis, formatting standards, Docker-based build optimization, and careful attention to output formatting with tangible business impact on reliability and developer productivity.
April 2025
35 Commits • 7 Features
Apr 1, 2025April 2025 (Crypto-TII/claasp) monthly summary highlighting key features, bugs fixed, impact, and technologies demonstrated. The period focused on expanding test coverage for SKINNY, hardening cipher implementations, and improving code quality across a broad set of block ciphers, alongside container readiness for solver tooling.
35 Commits • 7 Features
Apr 1, 2025April 2025 (Crypto-TII/claasp) monthly summary highlighting key features, bugs fixed, impact, and technologies demonstrated. The period focused on expanding test coverage for SKINNY, hardening cipher implementations, and improving code quality across a broad set of block ciphers, alongside container readiness for solver tooling.
April 2025
March 2025
1 Commits
Mar 1, 2025March 2025 monthly summary for Crypto-TII/claasp. Focused on correctness and cryptographic integrity. Delivered a critical bug fix for the Skinny Block Cipher, correcting 64-bit block and 64-bit key parameter handling to ensure the 64-64 variant operates with proper parameters and logic. This fix reduces cryptographic risk, improves interoperability with dependent modules, and sets the stage for additional hardening and testing. No new features released this month; emphasis on stability and reliability of the crypto core.
March 2025
1 Commits
Mar 1, 2025March 2025 monthly summary for Crypto-TII/claasp. Focused on correctness and cryptographic integrity. Delivered a critical bug fix for the Skinny Block Cipher, correcting 64-bit block and 64-bit key parameter handling to ensure the 64-64 variant operates with proper parameters and logic. This fix reduces cryptographic risk, improves interoperability with dependent modules, and sets the stage for additional hardening and testing. No new features released this month; emphasis on stability and reliability of the crypto core.
Activity
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Quality Metrics
Correctness96.4%
Maintainability96.4%
Architecture91.8%
Performance91.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
CDockerfileMarkdownPythonYAML
Technical Skills
Block Cipher ImplementationBlock CiphersBuild SystemsCipher ImplementationCode FormattingCode OrganizationCode ReadabilityCode RefactoringCode StandardizationComponent DesignConstraint ProgrammingCryptographyDevOpsDockerDocumentation
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