| 摘要 |
A data-security printing method and a data-security printing system capable of preventing one-way encryption cracking (Brute-Force Attack), by randomly specifying a port to transmit printer data between a printer driver and a firmware using an authentication protocol and then transmitting the printer data. The data-security printing system includes a terminal and a network printer, wherein the terminal transmits a protocol frame for user authentication to the network printer and transmits the data to the network printer through a temporary data path formed as a result of the user authentication, and wherein the network printer receives the protocol frame from the terminal, execute the user authentication, receives the data from the terminal through the temporary data path formed as a result of the user authentication, and prints the received data. As a result, it is possible to prevent one-way encryption cracking (Brute-Force Attack).
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