The effectiveness of current anti-spam systems is limited by the ability of spammers to adapt to new filtering techniques and the lack of incentive for mail domains to filter outg...
In identity-based public-key cryptography, an entity’s public key can be easily derived from its identity. The direct derivation of public keys in identity-based public-key crypt...
Lei Zhang, Qianhong Wu, Bo Qin, Josep Domingo-Ferr...
If multicast communication appears as the most efficient way to send data to a group of participants, it presents also more vulnerabilities to attacks and requires services such as...
Prior approaches [15, 14] to building collusion-free protocols require exotic channels. By taking a conceptually new approach, we are able to use a more digitally-friendly communic...
Given the sensitive nature of health data, privacy of eHealth systems is of prime importance. An eHealth system must enforce that users remain private, even if they are bribed or c...