Nandan Ghildiyal developed cryptographic hashing utilities for the fledge-iot/fledge repository, focusing on secure data processing and storage. He implemented a dedicated cryptography utilities module in C++ that provides both SHA-256 and MD5 hashing, ensuring compatibility across different OpenSSL versions. By integrating these hashing mechanisms, Nandan enhanced the platform’s data integrity and security posture, laying groundwork for future cryptographic features. His work involved careful attention to OpenSSL integration and reusable code design, allowing consistent use of cryptographic functions throughout the codebase. This contribution addressed the need for standardized, reliable hashing within the project, improving overall platform reliability and maintainability.