Eckert, C.C.Eckert2022-03-102022-03-102005https://publica.fraunhofer.de/handle/publica/34865910.1007/b1354972-s2.0-246444433512-s2.0-24644466135enE-Commercetelecooperationcryptographysmartcardsecurity mechanismmobile devicemobile securitybiometric005004400Security issues of mobile devicesconference paper