Worked on the openssl/openssl repository to enhance the reliability and determinism of FIPS-related self-tests, focusing on the ECDSA KAT DRBG component. Addressed a bug by disabling both time-based and request-based reseeding during self-tests, which prevents failures caused by system clock changes and reduces test flakiness across different environments. This approach ensures that KAT self-tests, such as those run by fipsinstall, produce consistent results and require less maintenance. The solution was implemented in C, leveraging expertise in cryptography and software testing. The work contributed to more stable continuous integration pipelines and improved the overall reliability of deterministic FIPS testing.