Search for dissertations about: "Douglas Wikström"

Found 3 swedish dissertations containing the words Douglas Wikström.

2. 1. On the security of mix-nets and related problems

   Author : Douglas Wikström; KTH; []
   Keywords : ;

   Abstract : .... READ MORE

4. 2. On the security of mix-nets and hierarchical group signatures

   Author : Douglas Wikström; Johan Håstad; Moni Naor; KTH; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Computer science; Datalogi;

   Abstract : In this thesis we investigate two separate cryptographic notions: mix-nets and hierarchical group signatures. The former notion was introduced by Chaum (1981). The latter notion is introduced in this thesis, but it generalizes the notion of group signatures which was introduced by Chaum and Heyst (1991). READ MORE

5. 3. Some aspects of cryptographic protocols : with applications in electronic voting and digital watermarking

   Author : Björn Terelius; Douglas Wikström; Helger Lipmaa; KTH; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES;

   Abstract : Cryptographic protocols are widely used on the internet, from relatively simple tasks such as key-agreement and authentication to much more complex problems like digital cash and electronic voting. Electronic voting in particular is a problem we investigate in this thesis. READ MORE