Ben Hung enhanced cross-platform cryptographic infrastructure in the expressvpn/wolfssl-rs and expressvpn/lightway repositories by implementing RISC-V target support, expanding 4096-bit key capabilities, and improving CI reliability. He introduced new runner and linker configurations, standardized build systems, and aligned architecture naming to streamline cross-compilation and deployment. Using Rust, C, and shell scripting, Ben addressed architecture-specific challenges, such as adaptive test timeouts for riscv64 and certificate expiration updates to maintain test validity. His work demonstrated depth in build system configuration, cryptography, and CI/CD, resulting in more robust, reproducible testing and deployment pipelines across embedded and low-level systems.