Sökning: "secure authentication"
Visar resultat 1 - 5 av 41 avhandlingar innehållade orden secure authentication.
Sammanfattning : Authentication theory deals with problems connected with the protection of information sent over insecure channels. This thesis concerns different problems in authentication theory. In particular, we consider unconditionally secure authentication, i.e. LÄS MER
Sammanfattning : This thesis concerns unconditionally secure authentication, i.e., providing protection against an enemy who is assumed to have unlimited computing power. The field is divided into two areas, conventional authentication and authentication for non-trusting parties. LÄS MER
Sammanfattning : Mobile transactions have been in development for around ten years. More and more initiatives and efforts are invested in this area resulting in dramatic and rapid development and deployment of mobile technologies and applications. LÄS MER
Sammanfattning : Authentication methods offer varying levels of security. Methods with one-time credentials generated by dedicated hardware tokens can reach a high level of security, whereas password-based authentication methods have a low level of security since passwords can be eavesdropped and stolen by an attacker. LÄS MER
Sammanfattning : Cryptography is the science and art of keeping information secret to un-intended parties. But, how can we determine who is an intended party and who is not? Authentication is the branch of cryptography that aims at confirming the source of data or at proving the identity of a person. This Ph.D. LÄS MER