Subhendu Kundu developed a comprehensive usage sample and documentation for the CryptoHeaderModule within the ThalesGroup/CipherTrust_Application_Protection repository. He implemented CryptoHeaderModuleSample.cs in C#, demonstrating end-to-end cryptographic operations such as encryption, decryption, and HMAC generation and verification. By updating the README with clear integration instructions, Subhendu focused on API integration and sample development to streamline onboarding for external developers. His work addressed integration risk by providing practical, ready-to-use examples, ensuring that customers could adopt the CryptoHeaderModule with greater confidence. The depth of the sample and documentation reflects a strong understanding of cryptography and developer enablement.