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Authenticity is the genuineness, reliability and credibility of a communication.

According to current legal opinion, authenticity is only ensured if the communication, for example the written document, bears the original signature of authorised persons who are permitted to make the written declaration of intent. In some cases, the law requires notarial certification, appraisal or authentication to determine authenticity.

In terms of information technology, authenticity is about the binding nature of data, documents, information or messages that can be reliably assigned to a specific data terminal or sender. Authenticity must ensure that the origin of such information can be proven beyond doubt. One possibility for proof is the digital signature (DSig).

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Englisch: authenticity
Updated at: 31.05.2009
#Words: 148
Translations: DE