Backend Software Engineer @ TikTok Shop, Content E-commerce

• Developed CLI (command line interface) of an internal device attestation library (SPDM) for the team’s device testing environment.

• Implemented functions to compute a fixed-length hash value of the device’s certificate chain for device authentication purposes.

• Edited next generation Samsung SSD whitepaper regarding new SPDM capabilities.

• Implemented a machine learning based detecting algorithm with accuracy of 99.23% for cache

side-channel attacks using Intel PCM. (C++/Python)

• Researched on vulnerability of CPU microarchitecture and constructed a covert channel attack

with 2.7Kbps of bandwidth and 3.64% of bit error rate on heterogeneous processor platforms.

• Conducted security analysis on ECG/EEG-based authentication protocols and verified privacy

leakage by extracting gender/age/disease in average of 98.1% of accuracy using Random Forest.

• Led a 3-person team developing core framework components for an application

• Currently launched in Google Play Store as “8 constitution, Health advisor” (translated) with 10k+ downloads and is being used by the medical institution.