FIELD: printing.
SUBSTANCE: invention relates to methods of determining the authenticity of documents, monetary notes, valuable items having randomly distributed identification elements. In the method the asymmetric key to decode the information is obtained from the emitent of the document, contained in the graphic image applied on the checked object or on the accompanying certificate. Before comparing the signals, the method additionally comprises the step of additional decoding, using the obtained asymmetric key of the identification information applied on the checked object or on the accompanying certificate, so that in the comparison module the signals are compared, corresponding to the decoded information from the decoder of the scanner and the pay-off stand information.
EFFECT: increase of security and simplification of document processing.
3 cl, 2 dwg
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