Public key infrastructure-based bluetooth smart-key system and operating method thereof
First Claim
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1. A smart key system for enabling data transmission through local area wireless communication, comprising:
- a locking device for enabling Bluetooth communication and enabling public key infrastructure-based data transmission,wherein the locking device receives a remote unlocking or keyless entry command from a mobile communication terminal through Bluetooth communication with the mobile communication terminal and performs a remote unlocking or keyless entry function associated with the command.
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Abstract
A public key infrastructure (PKI)-based Bluetooth smart-key system and operating method thereof. The system includes a locking device and a mobile communication terminal. The locking device enables Bluetooth communication and enables PKI-based data transmission. The mobile communication terminal embedded with a Bluetooth module performs a remote unlocking or keyless entry function through Bluetooth communication with the locking device.
74 Citations
18 Claims
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1. A smart key system for enabling data transmission through local area wireless communication, comprising:
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a locking device for enabling Bluetooth communication and enabling public key infrastructure-based data transmission, wherein the locking device receives a remote unlocking or keyless entry command from a mobile communication terminal through Bluetooth communication with the mobile communication terminal and performs a remote unlocking or keyless entry function associated with the command. - View Dependent Claims (2, 3, 4)
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5. A smart key system for enabling data transmission through local area wireless communication, comprising:
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a mobile communication terminal having a Bluetooth module embedded therein, and transmitting a remote unlocking or keyless entry command through Bluetooth communication to a locking device, the locking device enabling Bluetooth communication and enabling public key infrastructure-based data transmission, wherein the locking device performs a remote unlocking or keyless entry function associated with the command. - View Dependent Claims (6, 7, 8)
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9. A method for remote unlocking or keyless entry in a smart key system that has a locking device, enabling Bluetooth communication and public key infrastructure-based data transmission, and a mobile communication terminal, the method comprising:
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maintaining a pairing state by connecting the locking device with the mobile communication terminal by Bluetooth communication; automatically transmitting, by the locking device, a public key to the mobile communication terminal; transmitting at regular intervals, by the locking device, a paging signal for determining whether there is a Bluetooth terminal having the transmitted public key; and upon receiving an encrypted unlocking or keyless entry command from the mobile communication terminal, decrypting, by the locking device, the unlocking or keyless entry command and performing an unlocking or keyless entry function associated with the command. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A method for remote unlocking or keyless entry in a smart key system that has a locking device, enabling Bluetooth communication and public key infrastructure-based data transmission, and a mobile communication terminal, the method comprising:
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maintaining a pairing state by connecting the locking device with the mobile communication terminal by Bluetooth communication; receiving, by the mobile communication terminal, a public key from the locking device; receiving, by the mobile communication terminal, a paging signal from the locking device; and upon receiving the paging signal, transmitting, by the mobile communication terminal, an encrypted unlocking or keyless entry command to the locking device. - View Dependent Claims (17, 18)
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Specification