TRANSMISSION METHOD, RECEPTION METHOD AND IDENTIFICATION METHOD, SECURITY PROCESSOR AND DATA MEDIUM FOR SAID METHODS Russian patent published in 2015 - IPC H04L9/12

Abstract RU 2542934 C2

FIELD: physics, computer engineering.

SUBSTANCE: invention relates to secret data transmission. A method of transmitting a data frame and an additional data item from a security processor to an external device comprises steps of: in response to receiving a request, the security processor calculating an additional data item, wherein the additional data item is a response to the request, selected from at least two possible alternatives of the response to the request; the security processor calculating delay time based on the calculated additional data item; delaying (98) the beginning of transmission of the data frame from the security processor to the external device by the calculated delay time for transmitting the additional data item.

EFFECT: facilitating secret transmission of data between a security processor and an external device.

15 cl, 8 dwg

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RU 2 542 934 C2

Authors

Sh'Ez Kenten

Leporini David

Dates

2015-02-27—Published

2009-12-14—Filed