Publications

Articles #

Yi Xu, Gerardo Reynaga, Sonia Chiasson, J. -M. Frahm, Fabian Monrose, and P. C. van Oorschot. [Journal Article] Security Analysis and Related Usability of Motion-based CAPTCHAs: Decoding Codewords in Motion. Transactions on Dependable and Secure Computing (TDSC), 11:480 – 493, 2013.

Bibtex
@ARTICLE{xu2013captcha-tdsc, author = {Xu, Yi and Reynaga, Gerardo and Chiasson, Sonia and Frahm, J.-M. and Monrose, Fabian and van Oorschot, P. C.}, title = {[Journal Article] Security Analysis and Related Usability of Motion-based CAPTCHAs: Decoding Codewords in Motion}, journal = {Transactions on Dependable and Secure Computing (TDSC)}, year = {2013}, volume = {11}, pages = {480 -- 493}, issue = {5}, doi = {10.1109/TDSC.2013.52}, note = {Articles}, publisher = {IEEE} }

Conference Papers #

Gerardo Reynaga, Sonia Chiasson, and Paul C. van Oorschot. [Paper] Exploring the Usability of CAPTCHAS on Smartphones: Comparisons and Recommendations. In NDSS Workshop on Usable Security (USEC). Internet Society, 2015.

Bibtex
@INPROCEEDINGS{reynaga2015captcha-usec, author = {Reynaga, Gerardo and Chiasson, Sonia and van Oorschot, Paul C}, title = {[Paper] Exploring the Usability of CAPTCHAS on Smartphones: Comparisons and Recommendations}, booktitle = {NDSS Workshop on Usable Security (USEC)}, year = {2015}, organization = {Internet Society}, note = {Conference Papers} }

Gerardo Reynaga, Sonia Chiasson, and Paul C. van Oorschot. [Paper] Heuristics for the Evaluation of Captchas on Smartphones. In British HCI Conference. ACM, 2015.

Bibtex
@INPROCEEDINGS{reynaga2015heuristics-bhci, author = {Reynaga, Gerardo and Chiasson, Sonia and van Oorschot, Paul C}, title = {[Paper] Heuristics for the Evaluation of Captchas on Smartphones}, booktitle = {British HCI Conference}, year = {2015}, organization = {ACM}, note = {Conference Papers} }

Gerardo Reynaga and Sonia Chiasson. [Paper] The Usability of CAPTCHAs on Smartphones. In International Conference on Security and Cryptography (SECRYPT), page 427–434. SCITEPRESS, 2013.

Bibtex
@INPROCEEDINGS{reynaga2013captcha-secrypt, author = {Reynaga, Gerardo and Chiasson, Sonia}, title = {[Paper] The Usability of CAPTCHAs on Smartphones}, booktitle = {International Conference on Security and Cryptography (SECRYPT)}, year = {2013}, pages = {427--434}, organization = {SCITEPRESS}, note = {Conference Papers} }

Yi Xu, Gerardo Reynaga, Sonia Chiasson, J. -M. Frahm, Fabian Monrose, and P. C. van Oorschot. [Paper] Security and usability challenges of moving-object CAPTCHAs: Decoding codewords in motion. In USENIX Security Symposium 2012.

Bibtex
@INPROCEEDINGS{xu2012captchas-usenix, author = {Yi Xu AND Gerardo Reynaga AND Sonia Chiasson AND J.-M. Frahm AND Fabian Monrose AND P. C. van Oorschot}, title = {[Paper] Security and usability challenges of moving-object CAPTCHAs: Decoding codewords in motion}, booktitle = {USENIX Security Symposium}, year = {2012}, note = {Conference Papers} }

Tashiro, J., Jóhannsdóttir, K., Vargas Martin, M., Reynaga, G. B., & Thorpe, J. (2011). The users’ manual to the unconscious mind. E-Mentor, 2(39).

Bibtex
@article{tashiro2011, title={The unconscious mind as a mean for authentication}, author={Johannsdottir, K. R. and Tashiro, J. and Martin, M. V. and Reynaga, G.}, year={2011}, volume={}, number={2}, pages={90-98}, howpublished={e-mentor}

Jóhannsdóttir, K. R., Tashiro, J., Martin, M. V., & Reynaga, G. (2011). The unconscious mind as a mean for authentication. The APA Newsletter on Philosophy and Computers. Vol10, No.2, 7-10.

Bibtex
@article{Johannsdottir2010apa, title={The unconscious mind as a mean for authentication}, author={Johannsdottir, K. R. and Tashiro, J. and Martin, M. V. and Reynaga, G.}, year={2011}, volume={10}, number={2}, pages={7-10} }

Vargas Martin, M., Johannsdottir, K., Reynaga, G. B., Tashiro, J. & Garcia-Ruiz. M. A. (2010) Unconscious mind: Authenticating with something you don’t know? Or just an infallible liveness test? In the Proceedings of IEEE Canadian Conference on Electrical and Computer Engineering. Calgary, Canada.

Bibtex
@INPROCEEDINGS{5575164, author={Martin, Miguel Vargas and Jóhannsdottir, Kamilla and Reynaga, Gerardo B. and Tashiro, Jayshiro and Garcia-Ruiz, Miguel A.}, booktitle={CCECE 2010}, title={Unconscious mind: Authenticating with something you don't know? Or just an infallible liveness test?}, year={2010}, volume={}, number={}, pages={1-6}, doi={10.1109/CCECE.2010.5575164}}

Posters and Others #

Gerardo Reynaga and Sonia Chiasson. [Newsletter] Adapting CAPTCHAs for Smartphone Usage. NSERC Surfnet Newsletter, v5(1) 2014.

Bibtex
@MISC{reynaga2014captchas-surfnet, author = {Gerardo Reynaga AND Sonia Chiasson}, title = {[Newsletter] Adapting CAPTCHAs for Smartphone Usage}, howpublished = {NSERC Surfnet Newsletter}, month = {v5(1)}, year = {2014}, note = {Posters and Others} }

Yi Xu, Gerardo Reynaga, Sonia Chiasson, J. -M. Frahm, Fabian Monrose, and P. C. van Oorschot. [Poster] Security and Usability Challenges of Moving-Object CAPTCHAs: Decoding Codewords in Motion. Symposium on Usable Privacy and Security (SOUPS), 2012.

Bibtex
@MISC{xu2012captcha-soups, author = {Yi Xu AND Gerardo Reynaga AND Sonia Chiasson AND J.-M. Frahm AND Fabian Monrose AND P. C. van Oorschot}, title = {[Poster] Security and Usability Challenges of Moving-Object CAPTCHAs: Decoding Codewords in Motion}, howpublished = {Symposium on Usable Privacy and Security (SOUPS)}, year = {2012}, note = {Posters and Others} }

Gerardo Reynaga. [Poster] Graffiti Your Password. ISSNet Workshop, Ottawa.

Bibtex
@MISC{reynaga2011graffit-ISSNet, author = {Gerardo Reynaga AND Sonia Chiasson}, title = {[Newsletter] Graffiti Your Password}, howpublished = {ISSNet Workshop}, month = {5}, year = {2011}, note = {Posters and Others} }

Theses #

Gerardo Reynaga. [Thesis] The usability of captchas on mobile devices. PhD thesis, School of Computer Science, Carleton University, 2015.

Bibtex
@PHDTHESIS{reynaga2015thesis-carleton, author = {Gerardo Reynaga}, title = {[Thesis] The usability of captchas on mobile devices }, school = {School of Computer Science, Carleton University}, year = {2015}, note = {Theses} }

Reynaga A., Gerardo. [Thesis] Hot Swapping and State Persistence a Framework for State Transfer. Ottawa: Thesis (M.C.S.) - Carleton University, 2004. Print.

Bibtex
@MASTERTHESIS{ author = {Reynaga A., Gerardo}, title = {Hot Swapping and State Persistence a Framework for State Transfer}, school = {School of Computer Science, Carleton University}, year = {2004}, note = {Thesis (M.C.S.)} }