CMS
2001
14 years 29 days ago
2001
CMS
2001
14 years 29 days ago
2001
Good public-key infrastructures (PKIs) are essential to make electronic commerce secure. Quite recently, certificate verification trees (CVTs) have been introduced as a tool for im...
CMS
2001
14 years 29 days ago
2001
Abstract Within the traditional telephone system a certain level of quality and security has been established over the years. If we try to use IP Telephony systems as a core part o...