Zhan, J., Zhang, W., Zhang, Z., Xue, H., Zhang, Y., & Wu, Y. (2025). Portcullis: A Scalable and Verifiable Privacy Gateway for Third-Party LLM Inference. Proceedings of the AAAI Conference on Artificial Intelligence, 39(1), 1022-1030. https://doi.org/10.1609/aaai.v39i1.32088