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专利名称：PAYMENT SYSTEM发明人：Stuart Fiske申请号：US17358837申请日：20210625
公开号：US20210326870A1公开日：20211021
专利附图：
摘要：Methods, apparatus and computer software are provided for authorizing anEMV transaction between a user device and a point of sale terminal, particularly, but notexclusively, in situations where a secure element is not made available for thedeployment of a payment application on the user device. The payment application is
instead deployed to a processing environment that is outside of any secure element onthe user device. An ICC Master Key corresponding to the payment application is held by atrusted authority, such as the issuing bank. The trusted authority is adapted generatetime-limited session keys on the basis of the ICC Master Key and distribute session keysto the payment application. Receipt of a session key by the payment application enablesthe payment application to conduct an EMV payment transaction. The session key is usedto authorize a single EMV payment transaction.
申请人：Visa Europe Limited
地址：London GB
国籍：GB
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