FIELD: information technology.
SUBSTANCE: invention relates to the field of holography. As a photosensitive matrix is used a charge-coupled device with high resolution, whose elements are electrically connected with a line by line reading unit, between the holograph document (object) and the receiving object is installed an astigmatic medium, for example a transparent base with variable coordinates of thickness or variable deflection index, where the specified astigmatic medium is used as a ciphering key.
EFFECT: codifiablity of data, which is contained in the form of an image and text on a paper carrier or as a three dimensional object.
1 dwg
