摘要 |
A high-security on-line terminal unit comprises means of automatically generating a password of m+n digits formed of an m-digit number determined based on the date of data creation and an n-digit number determined based on the print number of output data, means of entering from outside a password of m+n digits determined through reference to external password forming tables based on the date of data creation and data print number printed on a delivered slip, and means of comparing the two passwords and enabling data transmission only if both passwords coincide with each other. |