Worked on the openssl/openssl repository to enhance security and reliability by addressing a memory management issue in the TLS/ASN.1 handling code. Focused on C programming, the developer implemented an INT_MAX bounds check in the d2i_ASN1_UINTEGER function to prevent heap buffer overflows on LP64 platforms, ensuring safer memory allocations and copies. This approach aligned with existing safety patterns in related ASN.1 decoders, maintaining consistency across the codebase. By carefully considering the differences between long and int sizing on 64-bit systems, the work contributed to security hardening and reduced the risk of memory corruption in critical cryptographic routines.