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<li>Adapting sandboxing to modern TEEs; this project is my current focus. Inspired by papers like <a href="https://dl.acm.org/doi/pdf/10.1145/3231594">Ryoan</a>, I am exploring an alternative threat model, where an application is not trusted to not leak or retain sensitive data. We are exploring covert channels between an application and hypervisor, defenses for them, and how our model might interact across a heterogeneous computational environment. The current direction is very WIP, but there will be more updates soon!</li>
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<li>"SATerm" - eBPF Termination. Under <a href="https://people.cs.vt.edu/djwillia/">Professor Dan Williams</a> (<a href="https://rosalab.github.io/">ROSA</a>), I contributed to a project exploring the termination of long-running eBPF extensions. We submitted to USENIX ATC '25 with mixed reviews; currently the paper is paused, but the work is being upstreamed to Linux.</li>
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<li>Media Attestation. This project is being lead by <a href="https://jessewei.dev/">Jesse Wei</a>. Under <a href="https://andrewkwong.org/">Professor Andrew Kwong</a>, we are exploring using ARM CCA and the <a href="https://c2pa.org/">C2PA standard</a> to prove the authencity of images generated by a mobile camera.</li>
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<li>Media Attestation. This project is being lead by <a href="https://jessewei.dev/">Jesse Wei</a>. Under <a href="https://andrewkwong.org/">Professor Andrew Kwong</a>, we are exploring using ARM CCA and the <a href="https://c2pa.org/">C2PA standard</a> to prove the authenticity of images generated by a mobile camera.</li>
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<li>"Native Enclave" - for our <a href="https://andrewkwong.org/comp790-185.html">Research in Security</a> class project, I worked with Yulu Pan on porting <a href="https://github.com/keystone-enclave/keystone">Keystone</a>, a RISC-V TEE implementation, to uClinux (Linux without virtual memory), to try to explore how the idea of TEEs could be extended to become a first-class memory protection mechanism in a "native enclave" system. Unfortunately, Keystone is pretty tied to virtual memory, but I hope to revisit this idea for a future project.</li>
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<li><a href="https://github.com/ac-freeman/adder-codec-rs">ADΔER</a>. Under <a href="https://acfreeman.dev/">Andrew Freeman</a>, Professor Ketan Mayer-Patel, and <a href="https://www.cs.unc.edu/~montek/">Professor Montek Singh</a>, I contributed towards the ADΔER asyncronous video research software suite. In Rust, I contributed a transcoder bandwidth limiting feature, implemented an event logging feature for the Rust implementation of the DVS Fast algorithm, fixed a couple Windows-related ADΔER issues, and updated the CI (with GitHub Actions). I also did a survey paper. In summer 2023, I was funded by the Laboratory for Analytical Sciences (LAS) for this work.</li>
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<li><a href="https://github.com/NIRALUser/NeuroRuler">NeuroRuler</a>. Under <a href="https://www.cs.unc.edu/~styner/">Professor Martin Styner</a> (<a href="https://www.med.unc.edu/psych/research/niral/">NIRAL</a>), with a few other students, I helped create this research software, written in Python. Basically, using MRI data, it will calculate head circumference given a particular "slice" of the brain. The software has some options for rotation, smoothing, threshold, and a batch API via the command line. It is being used by some neuro imaging researchers in Martin's lab.</li>

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