| 发明名称 |
VERIFYING DIGITAL SIGNATURES USING A POSTAL SECURITY DEVICE |
| 摘要 |
<p>A system for verifying printed indicia. The system comprises an indicia generating apparatus adapted to create digitally signed indicia on an item having an associated value and an indicia verifying apparatus adapted to read the indicia on the item and verify that the item is valid. The item can be used as payment for a good or service.</p> |
| 申请公布号 |
CA2427595(A1) |
申请公布日期 |
2002.03.11 |
| 申请号 |
CA20012427595 |
申请日期 |
2001.09.11 |
| 申请人 |
ASCOM HASLER MAILING SYSTEMS, INC. |
发明人 |
DUTTA, RANA;BYSTRAK, EUGENE ROBERT;MATTERN, JAMES MICHAEL |
| 分类号 |
G06Q30/00;(IPC1-7):G07D7/00;G06K19/06;H04L9/32 |
主分类号 |
G06Q30/00 |
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