PIC

Lawrence Roy

Ph.D. Student, Oregon State University

Updated:
January 9, 2021

Cryptography Multi-Party Computation Cybersecurity

 ldr709@gmail.com GitHub GitLab Google Scholar

Education

Sep. 2017 – Ongoing

Ph.D. in Computer Science – Cryptography Oregon State University

I research a range of topics related to secure multi-party computation, including oblivious transfer (OT), OT extension, garbled circuits, and homomorphic secret sharing. I am also interested in formal verification and proofs for cryptography and cybersecurity more generally.
Advisor: Mike Rosulek.

Sep. 2017 – Mar. 2020

M.S. in Computer Science – Cryptography Oregon State University

Admitted following high school, undergraduate degree requirement waived.
Project: “A Complete Characterization of Security for Linicrypt Block Cipher Modes”

Conference and Journal Publications

I previously did research in computer graphics, before switching to cryptography. These two fields have different author ordering conventions.

2019 – Present

Cryptography Authors are ordered alphabetically.
1.
Ian McQuoid, Mike Rosulek, and Lawrence Roy. “Batching Base Oblivious Transfers”. Submitted to PKC.
2.
Ian McQuoid, Mike Rosulek, and Lawrence Roy. “Minimal Symmetric PAKE and 1-out-of-N OT from Programmable-Once Public Functions”. In: ACM CCS 20. Ed. by Jay Ligatti, Xinming Ou, Jonathan Katz, and Giovanni Vigna. ACM Press, Nov. 2020, pp. 425–442. doi: 10.1145/3372297.3417870. url: https://eprint.iacr.org/2020/1043

2016 – 2019

Computer Graphics Authors are ordered by contribution.
3.
Yue Zhang, Lawrence Roy, Ritesh Sharma, and Eugene Zhang. “Maximum Number of Transition Points in 3D Linear Symmetric Tensor Fields”. In: Topological Methods in Data Analysis and Visualization V. Ed. by Hamish Carr, Issei Fujishiro, Filip Sadlo, and Shigeo Takahashi. Springer International Publishing, 2020, pp. 237–250. isbn: 978-3-030-43036-8. url: https://yuezhang2016.files.wordpress.com/2018/08/linear_3d_tensor_field_transition_point.pdf
4.
Botong Qu, Lawrence Roy, Yue Zhang, and Eugene Zhang. “Mode Surfaces of Symmetric Tensor Fields: Topological Analysis and Seamless Extraction”. In: IEEE Transactions on Visualization and Computer Graphics (2020). url: https://arxiv.org/pdf/2009.04601
5.
Fariba Khan, Lawrence Roy, Eugene Zhang, Botong Qu, Shih-Hsuan Hung, Harry Yeh, Robert S Laramee, and Yue Zhang. “Multi-Scale Topological Analysis of Asymmetric Tensor Fields on Surfaces”. In: IEEE Transactions on Visualization and Computer Graphics 26.1 (2019), pp. 270–279. url: https://web.engr.oregonstate.edu/~zhange/images/2Dasymmetric_multiscale.pdf
6.
Lawrence Roy, Prashant Kumar, Yue Zhang, and Eugene Zhang. “Robust and Fast Extraction of 3D Symmetric Tensor Field Topology”. In: IEEE Transactions on Visualization and Computer Graphics 25.1 (2018), pp. 1102–1111. url: http://web.engr.oregonstate.edu/~zhange/images/3DTensorTopology_Detection.pdf
7.
Jonathan Palacios, Lawrence Roy, Prashant Kumar, Chen-Yuan Hsu, Weikai Chen, Chongyang Ma, Li-Yi Wei, and Eugene Zhang. “Tensor Field Design in Volumes”. In: ACM Trans. Graph. 36.6 (Nov. 2017). issn: 0730-0301. doi: 10.1145/3130800.3130844. url: https://web.engr.oregonstate.edu/~zhange/images/3Dtensor_design.pdf
8.
Lawrence Roy, Prashant Kumar, Sanaz Golbabaei, Yue Zhang, and Eugene Zhang. “Interactive Design and Visualization of Branched Covering Spaces”. In: IEEE Transactions on Visualization and Computer Graphics 24.1 (2017), pp. 843–852. url: http://web.engr.oregonstate.edu/~zhange/images/Paper_BCSVis.pdf
9.
Sanaz Golbabaei, Lawrence Roy, Prashant Kumar, and Eugene Zhang. “Construction and Visualization of Branched Covering Spaces”. In: SIGGRAPH ASIA 2016 Technical Briefs. SA ’16. Macau: Association for Computing Machinery, 2016. isbn: 9781450345415. doi: 10.1145/3005358.3005367

Presentations

Talks

Nov. 2020

ACM Conference on Computer and Communications Security Virtual

Minimal Symmetric PAKE and 1-out-of-N OT from Programmable-Once Public Functions

Oct. 2017

IEEE Visualization Conference Phoenix, Arizona

Interactive Design and Visualization of Branched Covering Spaces

Posters

Jul. 2019

DOE CSGF Program Review Arlington, Virginia

Characterizing and Synthesizing CPA-Secure Block Cipher Modes

Feb. 2018

Oregon State University Graduate Research Showcase Corvallis, Oregon

Tensor Field Design in Volumes


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