Search for dissertations about: "ddh"
Found 4 swedish dissertations containing the word ddh.
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1. Electronic Cash and Hierarchical Group Signatures
Abstract : I denna avhandling presenteras resultat inom två områden – elektroniska betalningar och hierarkiska gruppsignaturer. • En starkare säkerhetsdefinition för digitala pengar presenteras med syfte att användare inte ska behöva lita på banken i samma utsträckning som för äldre definitioner. READ MORE
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2. Dynamic ultrasonography in neonatal hip instability and acetabular dysplasia
Abstract : The clinical hip examination, although highly sensitive in expert hands in detecting neonatal hip instability, can lead to considerable overtreatment. Ultrasound is increasingly being used to complement the clinical examination in assessing neonatal hip instability and acetabular dysplasia, often leading to increased treatment rate. READ MORE
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3. Two topics in cryptography : lattice problems and the security of protocols
Abstract : In this thesis we present new results in two areas – cryptographic protocols and lattice problems. • We present a new protocol for electronic cash which is designed to function on hardware with limited computing power. The scheme has provable security properties and low computational requirements, but it still gives a fair amount of privacy. READ MORE
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4. The in vivo metabolism of Benzo(a)pyrene studied by chromatography in combination with mass spectrometry
Abstract : Polycyclic aromatic hydrocarbons (PAHs) constitute a large class of chemicals with widespread occurrence in the environment. It is essentially impossible to avoid exposure to these substances on a daily basis. READ MORE