John Bland focused on enhancing the security and reliability of the TLS handshake process in the wolfSSL/wolfssl repository, specifically targeting the Encrypted Client Hello (ECH) flow. Working in C and leveraging expertise in cryptography and network security, he addressed a critical bug by refining hash calculations, input validation, and null-pointer checks within the ECH handshake logic. His work introduced explicit initialization and robust acceptance logic, reducing the risk of runtime errors and improving handshake correctness. By prioritizing secure defaults and code safety, John ensured that ECH-enabled TLS connections maintained both performance and compatibility while preparing the codebase for safer deployment.