4 papers
Bifrost: Hybrid TEE-FHE Inference for Privacy-Preserving Transformer and LLM Serving
Chenghao Chen, Kailun Qin, Xiaolin Zhang +2
Cloud-hosted transformer and large language model (LLM) inference creates a direct confidentiality problem: user prompts may contain sensitive code, business data, personal informa…
RISecure-PUF: Multipurpose PUF-Driven Security Extensions with Lookaside Buffer in RISC-V
Chenghao Chen, Xiaolin Zhang, Kailun Qin +5
RISC-V's limited security features hinder its use in confidential computing and heterogeneous platforms. This paper introduces RISecure-PUF, a security extension utilizing existing…
Now Let's Make It Physical: Enabling Physically Trusted Certificate Issuance for Keyless Security in CAs
Xiaolin Zhang, Chenghao Chen, Kailun Qin +5
The signing key protection of Certificate Authorities (CAs) remains a critical challenge in PKI. Traditional approaches struggle to eliminate the risk of key exposure due to those…
Teamwork Makes TEE Work: Open and Resilient Remote Attestation on Decentralized Trust
Xiaolin Zhang, Kailun Qin, Shipei Qu +3
Remote Attestation (RA) enables the integrity and authenticity of applications in Trusted Execution Environment (TEE) to be verified. Existing TEE RA designs employ a centralized t…