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TRANSACTION COUNT SYNCHRONIZATION IN PAYMENT SYSTE

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专利名称:TRANSACTION COUNT SYNCHRONIZATION

IN PAYMENT SYSTEM

发明人:Simon Phillips申请号:US11674316申请日:20070213

公开号:US200801959A1公开日:20080814

专利附图:

摘要:A payment system transaction authorization server computer, or anothercomputer, performs calculations to determine a transaction count value stored in apayment device for which a transaction authorization request was sent to the

authorization server computer. The computer in question “guesses” appropriatetransaction count values, and then attempts to duplicate an encryption calculation resultthat was originally generated by the payment device and that was included in thetransaction authorization request.

申请人:Simon Phillips

地址:York GB

国籍:GB

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