发明名称 |
DERIVING CRYPTOGRAPHIC KEYS |
摘要 |
A method of deriving a cryptographic key from a token. The method comprises ascertaining an attribute of an emission from the token; processing the attribute to generate a seed; and deriving a cryptographic key from the seed. The attribute may be luminescence intensity values of a token. The method may be implemented by a self-service terminal, such as an automated teller machine. |
申请公布号 |
EP1966928(A1) |
申请公布日期 |
2008.09.10 |
申请号 |
EP20060779548 |
申请日期 |
2006.09.26 |
申请人 |
NCR CORPORATION |
发明人 |
FORREST, SIMON;ROSS, GARY |
分类号 |
H04L9/08;G11B7/00 |
主分类号 |
H04L9/08 |
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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