Sökning: "encryption"

Visar resultat 1 - 5 av 42 avhandlingar innehållade ordet encryption.

  1. 1. Tree Structures in Broadcast Encryption

    Författare :Kristin Anderson; Ingemar Ingemarsson; Jacob Löfvenberg; Robert Forchheimer; Ben Smeets; Linköpings universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; 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

  2. 2. Guesswork and Entropy as Security Measures for Selective Encryption

    Författare :Reine Lundin; Stefan Lindskog; Svein Knapskog; Karlstads universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Computer security; security metrics; selective encryption; confidentiality; entropy; guesswork.; Computer Science; Datavetenskap;

    Sammanfattning : More and more effort is being spent on security improvements in today's computer environments, with the aim to achieve an appropriate level of security. However, for small computing devices it might be necessary to reduce the computational cost imposed by security in order to gain reasonable performance and/or energy consumption. LÄS MER

  3. 3. Life of a Security Middlebox : Challenges with Emerging Protocols and Technologies

    Författare :Zeeshan Afzal; Stefan Lindskog; Tomas Olovsson; Karlstads universitet; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; network security; TCP; MPTCP; IDS; Snort; edit-distance; encryption; Computer Science; Datavetenskap;

    Sammanfattning : The Internet of today has intermediary devices known as middleboxes that perform more functions than the normal packet forwarding function of a router. Security middleboxes are a subset of these middleboxes and face an increasingly difficult task to perform their functions correctly. LÄS MER

  4. 4. Towards Measurable and Tunable Security

    Författare :Reine Lundin; Simone Fischer-Hubner; Stefan Lindskog; Viiveke Fåk; Karlstads universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; tunable security; security measures; metrics; entropy; guesswork; privacy; anonymity; selective encryption; Computer science; Datavetenskap; Datavetenskap; Computer Science;

    Sammanfattning : Many security services today only provides one security configuration at run-time, and cannot then utilize the trade-off between performance and security. In order to make use of this trade-off, tunable security services providing several security configurations that can be selected at run-time are needed. LÄS MER

  5. 5. Decentralized Application Security

    Författare :Per Hallgren; Chalmers University of Technology; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Decentralization; Homomorphic Encryption; Location-Based Services; Privacy;

    Sammanfattning : On the internet today, everything is centralized. For most people, a single commercial entity owns the power to disclose all their personal emails. Most commonly your emails are only disclosed to you and your correspondent, but the power to choose who sees these emails is in fact not yours. LÄS MER