PRINTED MATTER, PRINTING SYSTEM AND READER

摘要

PROBLEM TO BE SOLVED: To provide printed matter, a printing system and a reader facilitating the authenticity discrimination of the printed matter. SOLUTION: Print information 11 such as an amount of money printed on a security or the like is ciphered by using a ciphering key 9 by a ciphering means 3 and turned to ciphered information 13. The ciphered information 13 is converted into a two-dimensional barcode 15 by a two-dimensional barcode conversion means 5. By a printing means 7, the print information 11 and the two-dimensional barcode 15 are printed on the same paper surface and the printed matter 21 such as the security is prepared. The printed two-dimensional barcode 15 is read by a two-dimensional barcode read means 41 and the read information is deciphered by a deciphering means 43 and displayed by a display means 47. The displayed information and the print information 11 are collated and authenticity is discriminated.