METHOD AND MOBILE DEVICE FOR PROVIDING A TIME READING

It is provided a method for providing a time reading. The method is performed by a mobile device (2) comprising a secure element (1) comprising a real-time clock (7). The method comprises: synchronising (40), by the secure element, the real-time clock (7) with a time server (3); letting (42) the rea...

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1. Verfasser: LUNDBERG, Frans
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creator LUNDBERG, Frans
description It is provided a method for providing a time reading. The method is performed by a mobile device (2) comprising a secure element (1) comprising a real-time clock (7). The method comprises: synchronising (40), by the secure element, the real-time clock (7) with a time server (3); letting (42) the real-time clock (7) run in the secure element (1); receiving (44), by the secure element (1), a current time request (30) from a time reader (6), via a mobile device (2); generating (46), by the secure element (1), a response, the response comprising a current time reading from the real-time clock (7), and cryptographic verification data; and sending (48), by the secure element (1), the response (32), via the mobile device (2), to the time reader (6).
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subjects ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE
CALCULATING
CHECKING-DEVICES
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
GENERATING RANDOM NUMBERS
PHYSICS
REGISTERING OR INDICATING THE WORKING OF MACHINES
TIME OR ATTENDANCE REGISTERS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
VOTING OR LOTTERY APPARATUS
title METHOD AND MOBILE DEVICE FOR PROVIDING A TIME READING
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