Bernhard Löhlein

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The increase of online services, such as eBanks, WebMails, in which users are verified by a username and password, is increasingly exploited by Identity Theft procedures. Identity Theft is a fraud, in which someone pretends to be someone else is order to steal money or get other benefits. To overcome the problem of Identity Theft an additional security(More)
In this paper we extend the conditional correlation attack ([LCPP96]) against the nonlinear filter generator (NLFG) by introducing new conditions and generalisations and present two known-plaintext attacks, called hybrid correlation attack and concentration attack. The NLFG is a well known LFSR-based keystream generator which could be used as a basic(More)
Dipl.-Inf. Peter Hofmann studierte Informatik an der Technischen Universität Berlin. Von 1993-1997 war er dort als wissenschaftlicher Mitarbeiter tätig. Schwerpunkt war die Mitarbeit bei der internationalen Standardisierung von Multimediaformaten und die Entwicklung von Referenzimplementierungen im Auftrag der Deutschen Telekom Forschung. Seit dem Wechsel(More)
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