Worked on the grafana/falco repository to modernize cryptographic operations by addressing a critical security bug. Migrated SHA256 checksum computation in falco_utils from deprecated OpenSSL functions to the EVP API, ensuring compatibility with OpenSSL 3.x and aligning with current cryptographic standards. The approach involved implementing the EVP digest workflow, including initialization, update, and finalization steps, to maintain accurate digest calculations. This change reduced maintenance risks and improved long-term security without introducing any user-facing regressions. Utilized C++ and cryptography expertise to deliver a maintainable solution, preserving repository stability while preparing the codebase for future OpenSSL upgrades and audits.