Data exchange method for universal SIM card

Data exchange method for universal SIM card

The present invention provides a data exchange method for a universal SIM (USIM) card, suitable for an electronic device, including: in response to determining that the USIM card is inserted into the electronic device, installing a SIM toolkit (STK) menu in the USIM card, wherein the USIM card inclu...

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Hauptverfasser: CHEN, CHIENUNG, MIOU, CHAR-SHIN, CHANG, HONG-JEN, KUAN, YEOU-FUH, CHIANG, YEN-HSU
Format: Patent
Sprache:chi ; eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
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creator CHEN, CHIENUNG
MIOU, CHAR-SHIN
CHANG, HONG-JEN
KUAN, YEOU-FUH
CHIANG, YEN-HSU
description The present invention provides a data exchange method for a universal SIM (USIM) card, suitable for an electronic device, including: in response to determining that the USIM card is inserted into the electronic device, installing a SIM toolkit (STK) menu in the USIM card, wherein the USIM card includes a card manager, and the card manager manages an applet corresponding to a card; in response to determining that a PIN code corresponding to the card is received in the STK menu, calling the applet to verify the PIN code; in response to the applet determining that the PIN code is verified, the applet sends a first request through the STK menu to a remote device, wherein the remote device establishes an elliptic curve Diffie-Hellman (ECDH) secure channel with the applet in response to the first request; using the ECDH secure channel to perform data exchange related to the card with the remote device.
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language chi ; eng
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
title Data exchange method for universal SIM card
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