| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a receipt encryption system which can enhance security of a receipt registering transaction details. <P>SOLUTION: At the end of a transaction made by a client operating a transaction device 101, the transaction device 101 encrypts transaction details by an encryption control unit 102, and issues an encrypted receipt 104 by a receipt printing unit 103. Thereafter, a reading terminal 121 reads out printed information on the encrypted receipt 104 by imaging the encrypted receipt 104 by an imaging unit 122, and also decrypts the printed information on the encrypted receipt 104 by a decryption control unit 123 by using a decryption key input via a decryption key input unit 125 by a user operating the reading terminal 121, in order to display of the transaction details as a result of decryption on a screen of a display unit 124 so that the user can browse the transaction details. <P>COPYRIGHT: (C)2013,JPO&INPIT |
