openssl/openssl
Mar 2025 – May 2025
2 Months active
Languages Used
C
Technical Skills
C programmingCryptographySecurityC Programming
pohsingwu
PROFILE
Pohsingwu
Worked on the openssl/openssl repository to enhance the security and compliance of the PBKDF2 key derivation function. Delivered a refactor aligning PBKDF2 indicator behavior with other implementations and consolidated validation logic using C programming and cryptography expertise. Introduced FIPS-specific checks to ensure consistent application across the PBKDF2 KDF, improving readiness for automated validation. Later, implemented validation to reject zero or invalid iteration counts, added regression tests, and improved error handling in the default provider path. These contributions strengthened the robustness and compliance of PBKDF2, demonstrating a methodical approach to security hardening and test-driven development within OpenSSL.
Overall Statistics
Feature vs Bugs
50%Features
Repository Contributions
2Total
Bugs
1
Commits
2
Features
1
Lines of code
70
Activity Months2
Your Network
372 peopleSame Organization
@synology.com7
Shared Repositories
365
Work History
May 2025
1 Commits
May 1, 2025May 2025 monthly summary for openssl/openssl focused on security hardening of the PBKDF2 key derivation path. Delivered a validation to reject zero/invalid iteration counts, added regression tests, and hardened default provider error handling. The work enhances robustness, reduces risk of weak keys, and improves compliance with security expectations. Demonstrates proficiency with cryptographic code, C development, and test automation within the OpenSSL project.
1 Commits
May 1, 2025May 2025 monthly summary for openssl/openssl focused on security hardening of the PBKDF2 key derivation path. Delivered a validation to reject zero/invalid iteration counts, added regression tests, and hardened default provider error handling. The work enhances robustness, reduces risk of weak keys, and improves compliance with security expectations. Demonstrates proficiency with cryptographic code, C development, and test automation within the OpenSSL project.
May 2025
March 2025
1 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for openssl/openssl focusing on PBKDF2 FIPS compliance and validation. Delivered a refactor to align PBKDF2 indicator behavior with other implementations, introduced consolidated validation logic via lower_bound_check_passed, and ensured FIPS-specific checks are correctly applied across the PBKDF2 KDF. These changes improve security posture, consistency, and readiness for automated validation tests.
March 2025
1 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for openssl/openssl focusing on PBKDF2 FIPS compliance and validation. Delivered a refactor to align PBKDF2 indicator behavior with other implementations, introduced consolidated validation logic via lower_bound_check_passed, and ensured FIPS-specific checks are correctly applied across the PBKDF2 KDF. These changes improve security posture, consistency, and readiness for automated validation tests.
Activity
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Quality Metrics
Correctness95.0%
Maintainability90.0%
Architecture90.0%
Performance80.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
C
Technical Skills
C ProgrammingC programmingCryptographySecurity
Repositories Contributed To
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