Confidential Attestation: Efficient in-Enclave Verification of Privacy Policy Compliance. - Weijie Liu 004; Wenhao Wang 001; XiaoFeng Wang 001; Xiaozhu Meng; Yaosong Lu; Hongbo Chen; Xinyu Wang; Qingtao Shen; Kai Chen 012; Haixu Tang; Yi Chen 024; Luyi Xing (CoRR, 2020)