发明名称 |
METHOD AND MEANS FOR SECURING THE DISTRIBUTION OF ENCODING KEYS |
摘要 |
An improved secured data transmission system relies on the favorable comparison of coded signals derived from information about authorized individuals and particular data terminals that is both prestored and subsequently supplied under manual command in order to generate an operating key which is then used to encode and decode data that is entered after the initialization procedure. |
申请公布号 |
GB2050021(B) |
申请公布日期 |
1982.11.10 |
申请号 |
GB19800016820 |
申请日期 |
1980.05.21 |
申请人 |
ATALLA TECHNOVATIONS |
发明人 |
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分类号 |
G09C1/00;G07F7/10;H04L9/08;(IPC1-7):H04L9/02 |
主分类号 |
G09C1/00 |
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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