Worked on strengthening the user authentication system in the NVIDIA/edk2-platforms repository, focusing on embedded systems and firmware development with an emphasis on security. Addressed a critical bug by validating return values for random number generation and salt creation functions, ensuring that password storage only proceeds when salts are securely generated. Introduced explicit return-status checks throughout the cryptographic path, which eliminated silent failures and improved both reliability and debuggability. The work was implemented in C, leveraging expertise in low-level firmware and secure coding practices. This targeted fix enhanced the overall security posture of the authentication flow without introducing new features.