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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