Worked on the openssl/openssl repository, focusing on enhancing reliability and maintainability in cryptographic and SSL/TLS code paths using C. Addressed a critical bug in the KEM encapsulation flow by refining error handling for NULL output buffers, ensuring more accurate error classification and improving diagnostic clarity for production scenarios. Additionally, implemented a targeted memory management fix in SSL certificate and key handling by resolving a memory leak in error paths within ssl_set_cert_and_key, which improved runtime stability for long-running servers. Demonstrated expertise in bug fixing, cryptography, and error handling, delivering clean, reviewable patches that strengthened OpenSSL’s robustness and maintainability.