| 摘要 |
<P>PROBLEM TO BE SOLVED: To allow only those who are authorized to print in a printing processing device with simple procedure. <P>SOLUTION: The printing processing device 100 includes: a printing propriety judging information recording section 114 recording a plurality of public keys of signers of digital signatures and settings of the propriety of printing based on the printing commands from the signers corresponding to the same respectively, a printing data verification section 104 verifying the received printing data; and a printing control section 106 allowing to print the printing data in the case the digital signatures are added to the printing data by the printing data verification section 104, the public keys of the digital signatures are recorded by the printing propriety judging information recording section 114, further it is judged that the printing based on the printing commands form the signer is set enabled, and not allowing to print in the case other than the above case. <P>COPYRIGHT: (C)2008,JPO&INPIT |
