• P. Branco, P. Mateus, C. Salema, and A. Souto. Using low-density parity check codes to improve McEliece cryptosystem. Information Sciences, in print.
• L. Antunes, H. Buhrman, A. Matos, A. Souto, and A. Teixeira. Distinguishing two probability ensembles with one sample from each ensemble. Theory of Computing Systems, 2015.
  Get a preprint: 15-ABMST-dtpewosfeee.pdf 
• P. Yadav, P. Mateus, N. Paunkovic, and A. Souto. Quantum contract signing with entangled pairs. Entropy, 21(9):821, 2019.
• C. Vlachou, W. Krawec, P. Mateus, N. Paunkovic, and A. Souto. Quantum key distribution with quantum walks. Quantum Information Processing, 17:288, 2018.
• P. Mateus, A. Sernadas, and A. Souto. Universality of quantum Turing machines with deterministic control. Journal of Logic and Computation, 27(1):1--19, 2017.
  Get a preprint: 14-MSS-dcQTM.pdf 
• J. Rodrigues, P. Mateus, N. Paunkovic, and A. Souto. Oblivious transfer based on single-qubit rotations. Journal of Physics A: Mathematical and Theoretical, 50:205301, 2017.
  Get a preprint: 17-RMPS-QuantOT.pdf 
• C. Caleiro and A. Souto. Cybersecurity and obscurantism (in portuguese). Cyberlaw, 1:71--89, 2016.
  Get a preprint: 16-CS-cyberlaw.pdf 
• J. Ribeiro, A. Souto, and P. Mateus. Quantum blind signature with an offline repository. International Journal of Quantum Information, 13(2):1550016, 2015.
  Get a preprint: 15-RSM-qbsig.pdf 
• A. Souto, P. Mateus, P. Adão, and N. Paunkovic. Bit-string oblivious transfer based on quantum state computational indistinguishability. Physical Review A, 91(4):042306, 2015.
  Get a preprint: 14-SMAP-otcomp.pdf 
• A. Souto, P. Mateus, P. Adão, and N. Paunkovic. Reply to "Comment on Bit-string oblivious transfer based on quantum state computational indistinguishability". Physical Review A, 92:046302, 2015.
  Get a preprint: 15-SMAP-rcotcomp.pdf 
• C. Vlachou, J. Rodrigues, P. Mateus, N. Paunkovic, and A. Souto. Quantum walk public-key cryptographic system. International Journal of Quantum Information, 13(7):1550050, 2015.
  Get a preprint: 15-VRMPS-pkcqwalks.pdf 
• A. Teixeira, L. Antunes, A. Matos, A. Pinto, and A. Souto. One-way functions using algorithmic and classical information theories. Theory of Computing Systems, 52(1):162--178, 2013.
  Get a preprint: 13-TAMPS-tocs.pdf 
• Luis Antunes, Lance Fortnow, Alexandre Pinto, and Andre Souto. Low-depth witnesses are easy to find. Computational Complexity, 21(3):479--497, 2012. 10.1007/s00037-011-0025-1.
• A. Teixeira, A. Matos, A. Souto, and L. Antunes. Entropy measures vs. kolmogorov complexity. Entropy, 13(3):595--611, 2011.
  Get a preprint: 11-TMSA-entropy.pdf 
• Luis Antunes and Andre Souto. Information measures for infinite sequences. Theoretical Computer Science, 41(26-28):2602--2611, 2010.
• C. Santos, L. Antunes, A. Souto, and J. Bernardes. Assessment of disagreement: a new information based approach. Annals of Epidemiology, 20(7):555--561, 2010.
• Luís Antunes, Armando Matos, Andre Souto, and Paul Vitányi. Depth as randomness deficiency. Theory of Computing Systems. In press., 45(4):724--739, 2009.
• Alexandre Pinto, Andre Souto, Armando Matos, and Luís Antunes. Commitment and authentication systems. Designs, Codes & Cryptography, 53(3):175--193, 2009.