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Publicado en línea: 30 may 2014
Páginas: 63 - 76
Recibido: 19 mar 2013
DOI: https://doi.org/10.2478/ausi-2014-0005
© 2014
This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Anybody can make a time information authentic easily nowadays with the help of a time-stamp by a Certification Authority. In this paper, we propose a similar service for mobile devices-which have GPS receiver-to authentication GPS coordinates. This service name is location-stamping, and we propose two protocols for this service.