Sökning: "Jacob Löfvenberg"

Hittade 2 avhandlingar innehållade orden Jacob Löfvenberg.

  1. 1. Codes for digital fingerprinting

    Författare :Jacob Löfvenberg; James Massey; Linköpings universitet; []
    Nyckelord :;

    Sammanfattning : Illegal, copying of data is a problem in many areas. Despite various efforts in copy protection and copyright enforcement the problem still exists, and with the growing use of digital means of storing and distributing data the problem seems to be getting worse. LÄS MER

  3. 2. Tree Structures in Broadcast Encryption

    Författare :Kristin Anderson; Ingemar Ingemarsson; Jacob Löfvenberg; Robert Forchheimer; Ben Smeets; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Broadcast encryption; Subset Difference; tree structure; Information technology; Informationsteknologi;

    Sammanfattning : The need for broadcast encryption arises when a sender wishes to securely distribute messages to varying subsets of receivers, using a broadcast channel, for instance in a pay-TV scenario. This is done by selecting subsets of users and giving all users in the same subset a common decryption key. LÄS MER