FIELD: authenticating controlled entities such as excise ones. SUBSTANCE: data on commercial characteristics of entity in digital form bearing electronic signature is converted into bar code applied to entity or to label. In addition, open key for checking conversion of electronic digital signature into bar code is displayed in bar code and also applied to medium and used in authenticating electronic digital signature. EFFECT: facilitated authentication of digital signature; reduced probability of entity adulteration. 4 cl, 3 dwg
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Authors
Dates
2001-08-10—Published
2000-03-01—Filed