openssl/openssl
Nov 2024 – Aug 2025
2 Months active
Languages Used
CAssemblyPerl
Technical Skills
Bug FixingMemory ManagementAssemblyBuild System ConfigurationGitignore ManagementLow-level programming
Holger Dengler
PROFILE
Holger Dengler
During their two-month contribution to the openssl/openssl repository, Dengler focused on stabilizing cryptographic routines and improving system compatibility. They addressed memory management bugs in C and Assembly, implementing centralized cleanup paths to prevent leaks in error-prone crypto code and ensuring proper resource deallocation. Dengler also enhanced architecture support by initializing KMA parameter block memory for s390x using efficient Assembly instructions, reducing false positives from memory checkers. Additionally, they improved repository hygiene by updating .gitignore rules to exclude generated assembler files. Their work demonstrated depth in low-level programming, bug fixing, and build system configuration, resulting in more robust and maintainable code.
Overall Statistics
Feature vs Bugs
0%Features
Repository Contributions
4Total
Bugs
3
Commits
4
Features
0
Lines of code
18
Activity Months2
Your Network
304 people
Work History
August 2025
2 Commits
Aug 1, 2025OpenSSL module improvements for Aug 2025 focusing on architecture compatibility and repo hygiene. Key deliverables include KMA parameter block memory initialization for s390x and .gitignore updates to ignore generated assembler files.
2 Commits
Aug 1, 2025OpenSSL module improvements for Aug 2025 focusing on architecture compatibility and repo hygiene. Key deliverables include KMA parameter block memory initialization for s390x and .gitignore updates to ignore generated assembler files.
August 2025
November 2024
2 Commits
Nov 1, 2024Month: 2024-11 — Focused on stabilizing cryptographic code in openssl/openssl by correcting memory management and improving error-path cleanup. The work reduces memory leak risk in core crypto routines and improves runtime reliability under error conditions.
November 2024
2 Commits
Nov 1, 2024Month: 2024-11 — Focused on stabilizing cryptographic code in openssl/openssl by correcting memory management and improving error-path cleanup. The work reduces memory leak risk in core crypto routines and improves runtime reliability under error conditions.
Activity
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Quality Metrics
Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
AssemblyCPerl
Technical Skills
AssemblyBug FixingBuild System ConfigurationGitignore ManagementLow-level programmingMemory ManagementSystem programming
Repositories Contributed To
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