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In this paper we show how to extract graphics content within a memory dump of a windows-based system. This includes the assurance of integrity and authenticity of evidence gathered this way using cryptographic mechanisms. We introduce a forensic data model and investigate different forensic analysis steps within a phase-oriented manner to classify potential forensic methods. Furthermore we discuss...
Contrary to cryptographic hash functions, which calculate the same value for only the same input, biometric hash functions have to generate identical hashes from varying input data of the same person. In this paper a secure sketch method is suggested that was developed to generate hash values from dynamic handwritten data. The presented secure sketch method is motivated by the framework suggested...
According to former results from (Dittmann et al., 2005) in this paper we summarize the design principles from the general approach and introduce extended experimental test results of a voice-over-IP (VoIP) framework including a steganographic channel based on (Dittmann et al., 2005), (Dittmann and Hesse, 2004), (Kraetzer et al., 2006) and (Vogel et al., 2006). We show that using this framework it...
In this paper an approach for combining online signature authentication experts will be proposed. The different experts are based on one feature extraction method presented in our earlier work, the Biometric Hash algorithm [C. Viehauer, et al., (2002)], to which different distance measurement functions are applied. We will show that by the fusion of several algorithms with an appropriately parameterized...
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