In January 2025, bbb@iki.fi focused on enhancing the correctness and RFC compliance of AES-GCM-SIV within the openssl/openssl repository. They addressed a critical bug by refining zero-length message handling according to RFC 8452, ensuring both software and hardware input validations were consistent and robust. Using C and leveraging expertise in algorithm implementation and cryptography, they removed redundant checks to streamline the code and reduce edge-case complexity. Their work included expanding regression test coverage for AES-128-GCM-SIV and AES-256-GCM-SIV, improving reliability and interoperability. This targeted engineering effort demonstrated depth in cryptographic protocol compliance and careful attention to secure, maintainable code.