During this period, contributed a security-focused enhancement to the golang/go repository by implementing EncryptOAEPWithOptions in the crypto/rsa package. This feature enables developers to specify separate hash functions for OAEP padding and MGF1 mask generation, increasing cryptographic configurability and aligning with evolving security standards. The work involved backend development in Go, with careful attention to cryptography best practices and backward compatibility to minimize risk for downstream users. Collaboration included design and review coordination to ensure correctness and maintainability. No major bugs were addressed during this time, with efforts concentrated on delivering robust, flexible RSA encryption options for Go’s cryptographic APIs.