Abstract. Proxy signature schemes allow an original signer to delegate his signing rights to a proxy signer. Most proxy signature schemes have succeeded for proxy delegations and t...
Abstract. Approaches against Phishing can be classified into modifications of the traditional PIN/TAN-authentication on the one hand and approaches that try to reduce the probabi...
Abstract. Third party service providers are starting to use advanced location services based on area or periodical notification in order to develop innovative applications. Howeve...
Oliver Jorns, Oliver Jung, Julia Gross, Sandford B...
Beginning with the adoption of the de-facto standard for wireless LAN communications IEEE 802.11 in 1999 we can observe a continuous growth of public wireless LAN hotspots that pro...
Research in Privacy Enhancing Technologies has a tradition of about 25 years. The basic technologies and ideas were found until 1995 while the last decade was dominated by the util...
The executions of operating system services based on smart cards allow one to personalize some functionalities of the operating system by using the secret information stored in a s...
There is a broad literature on distributed card games over communications networks, collectively known as mental poker. Like in any distributed protocol, avoiding the need for a Tr...