A PDA Implementation of an Off-line e-Cash Protocol.

Efrén Clemente-Cuervo Francisco Rodríguez-Henríquez Daniel Ortiz Arroyo Levent Ertaul A PDA Implementation of an Off-line e-Cash Protocol. 452-458 2007 conf/csreaSAM/2007 Security and Management db/conf/csreaSAM/csreaSAM2007.html#Clemente-CuervoRAE07