Moreira Sánchez, José (Date of defense: 2013-11-13)
A traceability or fingerprinting scheme is a cryptographic scheme that facilitates the identification of the source of leaked information. In a fingerprinting setting, a distributor delivers copies of ...
Beltrán Martínez, Victoria (Date of defense: 2011-12-16)
Next-Generation Networks (NGNs) will converge the existing fixed and wireless networks. These networks rely on the IMS (IP Multimedia Subsystem), introduced by the 3GPP. The presence service came into ...