发明名称 |
Encryption key control system for mail processing system having data center verification |
摘要 |
<p>A key control system comprises the generation of a first set of keys (44) which are then used for a plurality of respective postage meters (12). The keys are then related to a respective meter in accordance with a map or algorithm. The keys may be changed by entering the second key via an encryption (DES) using the first key. <IMAGE></p> |
申请公布号 |
EP0942398(A2) |
申请公布日期 |
1999.09.15 |
申请号 |
EP19990107495 |
申请日期 |
1994.10.07 |
申请人 |
PITNEY BOWES INC. |
发明人 |
KIM, HYUNG-KUN PAUL;CORDERY, ROBERT A.;PINTSOV, LEON A. |
分类号 |
G07B17/00;H04L9/08;(IPC1-7):G07B17/04 |
主分类号 |
G07B17/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|