Abhinav Saxena developed External-mu Signatures Support in the pq-code-package/mldsa-native repository, focusing on enhancing cryptographic capabilities for secure signature workflows. He implemented architecture-agnostic parameters and functions in liboqs, enabling external-mu signatures to be generated and verified across multiple platforms. Using YAML configuration and software integration skills, Abhinav ensured the solution was flexible and aligned with cryptographic standards, improving the codebase’s readiness for future enterprise integrations. His work emphasized traceability by integrating standard commit practices and laid the groundwork for broader security features, demonstrating depth in cryptography and thoughtful engineering within a focused, high-impact development cycle.