发明名称 |
DYNAMIC VERIFICATION VALUE SYSTEM AND METHOD |
摘要 |
A method for forming a dynamic verification value. The method includes altering a first data string to form a second data string, and forming a first dynamic verification value using at least a portion of the second data string. The first dynamic verification value is used to authenticate a portable consumer device in a first transaction. The second data string is used to form a third data string. A second dynamic verification value is formed using at least a portion of the third data string. The second dynamic verification value is used to authenticate the portable consumer device in a second transaction. |
申请公布号 |
WO2010008768(A3) |
申请公布日期 |
2011.03.10 |
申请号 |
WO2009US47941 |
申请日期 |
2009.06.19 |
申请人 |
VISA U.S.A . INC .;FAITH , PATRICK;HAMMAD , AYMAN |
发明人 |
FAITH , PATRICK;HAMMAD , AYMAN |
分类号 |
G06Q20/00;G06Q40/00;H04W12/06 |
主分类号 |
G06Q20/00 |
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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