发明名称 |
ELECTRONIC AUTHENTICATION SYSTEMS |
摘要 |
A transaction device for establishing a shared secret with a point of interaction (POI) over a communications network to enable encrypted communications between the transaction device and the point of interaction, the device comprising: an input arranged to receive communications from the point of interaction; a processor arranged to generate a first communication according to a Diffie-Hellman protocol; an output arranged to send the first communication to the point of interaction; wherein the processor is arranged to apply a randomly generated blinding factor, r, when generating the first communication and wherein, in response to receiving a second communication from the point of interaction at the input, the second communication having been generated according to the Diffie-Hellman protocol, the processor is arranged to apply the randomly generated blinding factor and generate a shared secret according to the Diffie-Hellman protocol in dependence on data contained within the second communication. |
申请公布号 |
WO2014195501(A3) |
申请公布日期 |
2015.03.19 |
申请号 |
WO2014EP61911 |
申请日期 |
2014.06.06 |
申请人 |
MASTERCARD INTERNATIONAL INCORPORATED;MASTERCARD IRELAND LIMITED |
发明人 |
SMETS, PATRIK;MESTRE, PATRICK;GARRETT, DUNCAN;ROBERTS, DAVE |
分类号 |
G06Q20/34;G06Q20/38 |
主分类号 |
G06Q20/34 |
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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