Gorjan Alagic

Associate Research Scientist

3102 Atlantic Building

(301) 314-1830

Gorjan Alagic is an Associate Research Scientist at QuICS and UMIACS. His research lies at the intersection of theoretical computer science and mathematics, with a particular focus on quantum algorithms and cryptography. In quantum algorithms, he studies computational problems related to topology and algebra. In cryptography, his interests include quantum-secure cryptographic primitives and program obfuscation. Gorjan previously held research positions at Caltech, the University of Waterloo, and the University of Copenhagen. He did his doctorate work with Alexander Russell at the University of Connecticut.

Courses

Introduction to Quantum Computing (CMSC457/PHYS457, Spring 2024)

Introduction to quantum information processing (CMSC657, Fall 2020)

Publications

2023

G. Alagic, Bai, C., Poremba, A., and Shi, K., “On the Two-sided Permutation Inversion Problem”, 2023.

2022

G. Alagic, Bai, C., Katz, J., Majenz, C., and Struck, P., “Post-Quantum Security of the (Tweakable) FX Construction, and Applications”, 2022.

G. Alagic, Apon, D., Cooper, D., Dang, Q., Dang, T., Kelsey, J., Lichtinger, J., Miller, C., Moody, D., Peralta, R., Perlner, R., and Robinson, A., “Status Report on the Third Round of the NIST Post-Quantum Cryptography Standardization Process”, NIST, 2022.

G. Alagic, Bai, C., Katz, J., and Majenz, C., “Post-Quantum Security of the Even-Mansour Cipher”, Eurocrypt, 2022.

2021

G. Alagic, Gagliardoni, T., and Majenz, C., “Can you sign a quantum state?”, v4: version for publication in Quantum, v5: CC license, 2021.

2020

G. Alagic, Brakerski, Z., Dulek, Y., and Schaffner, C., “Impossibility of Quantum Virtual Black-Box Obfuscation of Classical Circuits”, 2020.

G. Alagic, Majenz, C., and Russell, A., “Efficient Simulation of Random States and Random Unitaries”, In: Canteaut A., Ishai Y. (eds) Advances in Cryptology – EUROCRYPT 2020. Lecture Notes in Computer Science, Springer, Cham, vol. 12107, pp. 759-787, 2020.

G. Alagic, Majenz, C., Russell, A., and Song, F., “Quantum-Access-Secure Message Authentication via Blind-Unforgeability”, In: Canteaut A., Ishai Y. (eds) Advances in Cryptology – EUROCRYPT 2020. Lecture Notes in Computer Science, Springer, Cham, vol. 12-17, pp. 788-817 , 2020.

G. Alagic, Childs, A. M., Grilo, A. B., and Hung, S. - H., “Non-interactive classical verification of quantum computation”, Theory of Cryptography Conference (TCC), vol. Lecture Notes in Computer Science 12552, pp. 153-180, 2020.

G. Alagic, Jeffery, S., Ozols, M., and Poremba, A., “On Quantum Chosen-Ciphertext Attacks and Learning with Errors”, Cryptography, vol. 4, no. 1, p. 10, 2020.

G. Alagic, Alperin-Sheriff, J., Apon, D., Cooper, D., Dang, Q., Kelsey, J., Liu, Y. - K., Miller, C., Moody, D., Peralta, R., Perlner, R., Robinson, A., and Smith-Tone, D., “Status Report on the Second Round of the NIST Post-Quantum Cryptography Standardization Process”, NISTIR 8309, 2020.

2019

G. Alagic, Jeffery, S., Ozols, M., and Poremba, A., “On non-adaptive quantum chosen-ciphertext attacks and Learning with Errors”, 14th Conference on the Theory of Quantum Computation, Communication and Cryptography, TQC 2019, June 3-5, 2019, University of Maryland, College Park, Maryland, USA, pp. 1:1-1:23 , 2019.

G. Alagic, Alperin-Sheriff, J., Apon, D., Cooper, D., Dang, Q., Miller, C., Moody, D., Peralta, R., Perlner, R., Robinson, A., Smith-Tone, D., and Liu, Y. - K., “Status Report on the First Round of the NIST Post-Quantum Cryptography Standardization Process”, School: National Institute for Standards and Technology , 2019.

2018

M. E. Beverland, Haah, J., Alagic, G., Campbell, G. K., Rey, A. Maria, and Gorshkov, A. V., “Spectrum estimation of density operators with alkaline-earth atoms”, vol. 120, no. 025301, 2018.

G. Alagic, Majenz, C., Russell, A., and Song, F., “Quantum-secure message authentication via blind-unforgeability”, 2018.

G. Alagic, Gagliardoni, T., and Majenz, C., “Unforgeable Quantum Encryption”, In: Nielsen J., Rijmen V. (eds) Advances in Cryptology – EUROCRYPT 2018. Lecture Notes in Computer Science, Springer, Cham, vol. 10822, 2018.

2017

G. Alagic, Dulek, Y., Schaffner, C., and Speelman, F., “Quantum Fully Homomorphic Encryption With Verification”, Proceedings of ASIACRYPT 2017, pp. 438-467, 2017.

G. Alagic, Gagliardoni, T., and Majenz, C., “Unforgeable Quantum Encryption”, 2017.

G. Alagic and Russell, A., “Quantum-Secure Symmetric-Key Cryptography Based on Hidden Shifts”, In: Coron JS., Nielsen J. (eds) Advances in Cryptology – EUROCRYPT 2017. Lecture Notes in Computer Science, Springer, Cham, vol. 10212, 2017.

G. Alagic and Majenz, C., “Quantum Non-malleability and Authentication”, In: Katz J., Shacham H. (eds) Advances in Cryptology – CRYPTO 2017. Lecture Notes in Computer Science. Springer, Cham, vol. 10402, 2017.