Dan contributed to the aws/aws-lc repository by enabling IFMA-based RSA acceleration on Windows, focusing on performance optimization and platform parity. He updated the cryptographic backend to recognize IFMA support through enhanced CPU capability checks and adjusted memory allocation to resolve issues in the RSAZABI test harness. Working primarily in C++ and leveraging expertise in cryptography and low-level optimization, Dan improved Windows-specific RSA performance and test reliability. His work addressed both speed and stability, ensuring that cryptographic operations on Windows matched those on other platforms. This contribution demonstrated depth in Windows development and a strong understanding of AVX-512 and memory management.