Publications

@inproceedings{PA012,

title = {A H.264 SVC distributed content protection system with flexible key stream generation},

author = {Daniel Díaz-Sánchez and Rosa Sánchez Guerrero and Andrés Marín López and Florina Almenares and Patricia Arias},

url = {https://ieeexplore.ieee.org/document/6336520},

doi = {https://doi.org/10.1109/ICCE-Berlin.2012.6336520},

issn = {2166-6814},

year  = {2022},

date = {2022-10-22},

urldate = {2022-10-22},

booktitle = {2012 IEEE Second International Conference on Consumer Electronics - Berlin (ICCE-Berlin)},

publisher = {IEEE},

abstract = {Modern scalable coding techniques, as H264 SVC, are adequate to save processing power and bandwidth. Moreover, if the enhancements of a SVC encoded content are protected, it is possible to enable pay-per-quality systems. Transcoding and protection entail huge doses of processing power at provider side and should be distributed. Moreover, processing key streams to decrypt enhancements that were encrypted separately can increase the complexity at receiver side. This abstract describes a distributed system for content encoding and protection that generates a flexible key stream that simplifies the receiver.},

keywords = {Cloud computing, cryptography, multimedia, servicioseguridad},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{pa024,

title = {Introducing Infocards in NGN to Enable User-Centric Identity Management},

author = {Davide Proserpio and Fabio Sanvido and Patricia Arias-Cabarcos and Rosa Sánchez-Guerrero and Florina Almenárez-Mendoza and Daniel Díaz-Sánchez and Andrés Marín-López },

url = {https://ieeexplore.ieee.org/document/5683383},

doi = {https://doi.org/10.1109/GLOCOM.2010.5683383},

issn = {1930-529X},

year  = {2011},

date = {2011-01-10},

booktitle = {2010 IEEE Global Telecommunications Conference GLOBECOM 2010},

publisher = {Institute of Electrical and Electronics Engineers (IEEE)},

abstract = {With the rapid evolution of networks and the widespread penetration of mobile devices with increasing capabilities, that have already become a commodity, we are getting a step closer to ubiquity. Thus, we are moving a great part of our lives from the physical world to the online world, i.e. social interactions, business transactions, relations with government administrations, etc. However, while identity verification is easy to handle in the real world, there are many unsolved challenges when dealing with digital identity management, especially due to the lack of user awareness when it comes to privacy. Thus, with the aim to enhance the navigation experience and security in multiservice and multiprovider environments the user must be empowered to control how her attributes are shared and disclosed between different domains.With these goals on mind, we leverage the benefits of the Infocard technology and introduce this usercentric paradigm into the emerging NGN architectures. This paper proposes a way to combine the gains of a SAML federation between service and identity providers with the easiness for the final user of the Inforcard System using the well known architectural schema of IP Multimedia Subsystem.},

keywords = {authentication, cryptography, IP networks, Protocols},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{pa037,

title = {Extended DLNA protocol: Sharing protected pay TV contents},

author = {Daniel Díaz-Sánchez and Fabio Sanvido and Davide Proserpio and Andrés Marín},

url = {https://ieeexplore.ieee.org/document/5418687},

doi = {https://doi.org/10.1109/ICCE.2010.5418687},

issn = {2158-3994},

year  = {2010},

date = {2010-02-10},

booktitle = {2010 Digest of Technical Papers International Conference on Consumer Electronics (ICCE)},

publisher = {Institute of Electrical and Electronics Engineers (IEEE)},

abstract = {DLNA can be considered as a good candidate for sharing protected contents among authorized devices. There is a important penetration of DLNA certified devices, and it offers link protection. We identify problems on DLNA's link protection, DTCP-IP, and we propose to improve the authentication and key derivation mechanism. DLNA sharing can be extended to include pre and post acquisition protection content at the price of inexpensive descrambler.},

keywords = {cryptography, Protection, Protocols},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{pa044,

title = {DVB-H Key Management System for UMTS Capable Devices},

author = {Daniel Diaz-Sánchez and Andrés Marín and Florina Almenárez and Alberto Cortes},

url = {https://ieeexplore.ieee.org/document/4588098},

doi = {https://doi.org/10.1109/ICCE.2008.4588098},

issn = {2158-3994},

year  = {2008},

date = {2008-08-05},

urldate = {2008-08-05},

booktitle = {2008 Digest of Technical Papers - International Conference on Consumer Electronics},

publisher = {Institute of Electrical and Electronics Engineers (IEEE)},

abstract = {In this paper we present a system to enable pay-per- view services in mobile handhelds which takes benefits of both DVB-H and UMTS networks. DVB-H infrastructure provides a more appropriate content delivery framework that UMTS. Despite this fact, UMTS can play an important role for charging and key distribution for pay-per-view applications by means of the provider SIM smart card.},

keywords = {3G, cryptography, Digital video broadcasting, Protection, visualizacioncontenidosTDT},

pubstate = {published},

tppubtype = {inproceedings}

}