Initial exploration of handwritten electronic signatures’ suitability for the examination of authenticity

Handwritten signatures which are captured electronically during the writing process are increasingly used in a variety of business environments [1,2]. Electronic signatures1 can be captured, for example, by writing on signature pads, smartphones or tablets with a stylus or even with a fingertip. Of course, any signature may have forensic relevance and thus the integrity of an electronically signed document and the authenticity of an electronic signature are important. To ensure integrity, electronic signatures can be linked to a document with algorithm-based, encrypted values, so called digital signatures [2].

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