发明名称 |
ENCRYPTION KEY CONTROL SYSTEM FOR MAIL PROCESSING SYSTEM HAVING DATA CENTER VERIFICATION |
摘要 |
A key control system comprises the generation of a first set of keys which are then used for a plurality of respective postage meters. 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 using the first key.
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申请公布号 |
CA2133679(C) |
申请公布日期 |
1999.12.21 |
申请号 |
CA19942133679 |
申请日期 |
1994.10.05 |
申请人 |
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发明人 |
KIM, HYUNG-KUN PAUL;CORDERY, ROBERT A.;PINTSOV, LEON A. |
分类号 |
G07B17/00;H04L9/08;(IPC1-7):G07B17/02 |
主分类号 |
G07B17/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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