cv
Last Updated 3/20/2025
Basics
| Name | Xisen Tian |
| Title | PhD Student | Naval Engineering Duty Officer |
| xisen.tian1@nps.edu | |
| Url | https://xisentian.github.io |
| Summary | US Naval Officer studying secure and resilient communications at the Naval Postgraduate School. I am currently researching post quantum cryptography and secure group communications. |
Work
-
2020 - Present Engineering Duty Officer - Information Warfare Systems
United States Navy
Program officer specializing in space communications, security analysis, and cryptographic systems
-
2015 - 2020 Cryptologic Warfare Officer
United States Navy
Triaged and analyzed cyber attacks on DoD Information Networks and deployed as a Information Operations Watch Officer in the Pacific
Volunteer
-
2022 - Present Monterey, California
Outdoors Club President
NPS Foundation
Plan and led various recreational outdoors activities to build relationships between NPS students and the local community and environment.
- Kayaking in the Monterey Bay
- Snowboarding in Lake Tahoe
- Mushroom foraging in Pacific Grove
-
2019 - 2020 Monterey, California
Running Club President
NPS Foundation
Led and planned weekely runs around the Monterey Peninsula to promote physical fitness and camaraderie among NPS students and faculty.
- Tuesday Brewsday Runs
- Partnership with local Wednesday Night Laundry Runners
Education
-
2022 - 2025 -
2018 - 2020 Masters of Science (M.S.)
Naval Postgraduate School, Monterey, California, US
Electrical and Computer Engineering
Awards
- 2020.09.31
John Wozencraft Award for Outstanding Research in Electrical and Computer Engineering
Naval Postgraduate School
Certificates
| Certified Information Systems Security Professional | ||
| ISC2 | 2018-01-01 |
| Certified Ethical Hacker | ||
| EC-Council | 2016-07-25 |
Publications
-
2025.01.13 Analysis of BPSec
Communications in Cryptography
We provide the first formal analysis of BPSec, a delay tolerant network security protocol standardized by the Internet Engineering Task Force and adopted by NASA and ESA that is used in deep space communications.
-
2024.07.29 Post Quantum Hybrid Combiner
Internet Engineering Task Force
A flexible hybrid combiner for MLS that amortizes PQ computations while maintaing PQ security guarantees.
-
2023.11.14 Guardianship in Group Key Exchange for Limited Environments
Cryptology ePrint Archive
We address how devices operating in limited environments (e.g. receive-only modes) can heal from compromises in secure group communications.
-
2015.09.17 Identifying political sentiment between nation states with social media
Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing
We describe an approach to large-scale modeling of sentiment analysis for the social sciences to model relations between nation states.
-
2015.07.10 Parallel sparse interpolation using small primes
Proceedings of the 2015 International Worksop on Parallel Symbolic Computation
We present a parallel algorithm for sparse interpolation that uses small primes to reduce the number of operations required to interpolate a polynomial.
Skills
| Security Analysis | |
| Cryptography | |
| Risk Management Framework | |
| Security Engineering |
Languages
| Chinese | |
| Elementary Proficiency (native speaker) |
| English | |
| Fluent |