3 papers
cs.CR2025
Confidential Prompting: Privacy-preserving LLM Inference on Cloud
Caihua Li, In Gim, Lin Zhong
This paper introduces a vision of confidential prompting: securing user prompts from an untrusted, cloud-hosted large language model (LLM) while preserving model confidentiality, o…
cs.PL2025
MappedTrace: Tracing Pointer Remotely with Compiler-generated Maps
Zhiyao Ma, Caihua Li, Lin Zhong
Existing precise pointer tracing methods introduce substantial runtime overhead to the program being traced and are applicable only at specific program execution points. We propose…
cs.CR2024
Blindfold: Confidential Memory Management by Untrusted Operating System
Caihua Li, Seung-seob Lee, Lin Zhong
Confidential Computing (CC) has received increasing attention in recent years as a mechanism to protect user data from untrusted operating systems (OSes). Existing CC solutions hid…