During December 2025, contributed to the openssl/openssl repository by implementing Certificate Revocation List (CRL) Scoring for certificate validation. This feature introduced a scoring mechanism for CRLs retrieved via a get_crl callback, ensuring that issuer and reason fields are accurately set to strengthen the certificate verification process. The work involved close collaboration through code review and pull request workflows, integrating seamlessly with the existing OpenSSL validation framework. Utilizing C programming, cryptography, and security expertise, the developer focused on enhancing CRL handling and testing, resulting in a more robust and reliable certificate validation mechanism within the OpenSSL codebase.