In this work we will show how non-qualified electronic signatures and time stamps can be efficiently enhanced in order to equip them with similar features as qualified ones. In particular we will show how non-qualified electronic signatures can be used in business processes which require the written form. Furthermore we will show how to construct "interval-qualified" (IQ) time stamps which may serve as cost efficient alternative to qualified time stamps issued by a trusted authority. An IQ time stamp issued at time t1 is linked to two qualified time stamps issued at time T1 and T2, in a way that one is able to prove that T1 < t1 < T2. © Springer-Verlag Berlin Heidelberg 2004.
CITATION STYLE
Hühnlein, D. (2004). How to qualify electronic signatures and time stamps. Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 3093, 314–321. https://doi.org/10.1007/978-3-540-25980-0_26
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