During October 2024, Danh Doan developed initial support for SCE7 hardware IP within the ZephyrProject-RTOS hal_renesas repository, focusing on enabling cryptographic functionalities for Renesas RA platforms. He integrated new C source files and updated CMake build configurations to add SCE7-specific include directories, laying the groundwork for secure crypto operations. His work involved build system enhancements and driver development, ensuring the codebase is ready for future SCE7 integration. Although the feature was foundational and did not address bug fixes, it aligned with the product’s security roadmap and demonstrated depth in embedded systems and hardware abstraction layer engineering for secure applications.