Worked on enhancing certificate verification flows in the cloudflare/boring repository by improving the X509_STORE_CTX API. Focused on enabling more robust PKI verification, the developer introduced interfaces to reliably access the current certificate and inspect untrusted certificates within the verification context. These changes, implemented using C and Rust with a focus on bindings and SSL/TLS, allow for greater certificate-chain visibility and more flexible verification configuration. The updates facilitate easier debugging and lay the foundation for future policy-driven security improvements, reflecting a deep understanding of cryptography and certificate management in secure communications environments. No bug fixes were recorded during this period.