摘要: Non-repudiation of digital evidence is required by various use cases in today’s business for example the area medical products but also public like congestion charges. These have common that at a certain time an record generated to attest occurrence event. To allow non-repudiation such it provide on used device itself, its configuration, and software running Digital signatures as today authenticity integrity record. However signature gives no information about state Measurement Instrument operation. The attestation correct operation collector discussed this paper implemented solution presented.