| 摘要 |
PURPOSE: To execute an RSA-type encipher system, suitable for the existing laws for managing the civil usage of chip card. CONSTITUTION: When the structure of a message passed through a micro- processor 2 as the parameter of an instruction matches a previously defined pattern stored in an EEPROM 5, the message is signed and outputted. When they do not match, operation is denied, and an error message is transmitted to a terminal. The respective instructions are stored in a ROM 4, and the message to be outputted is calculated by an arithmetic unit 6. |
