| 摘要 |
PURPOSE: A multi-key DES board and a setting method thereof are provided to reduce the manufacturing costs by injecting the master keys of various financial institutions into one DES board. CONSTITUTION: A memory unit(210) includes multiple memory area sets(211,212,213). Each of the memory area sets is divided into three memory areas. A first memory area set(211) comprises a first memory area(211a), a second memory area(211b), and a third memory area(211c). A master key of a financial institution is injected into the first memory area. A first encryption key is injected into the second memory area. A second encryption key is injected into the third memory area. [Reference numerals] (210) Memory unit; (220) Control unit; (AA) A banking; (BB) B banking; (CC) N banking; (DD) Reserve-1; (EE) Reserve-2; (FF) Reserve-n |
