Method and apparatus for managing communication security in wireless network
First Claim
1. A method of managing communication security in a wireless network including an access point, the method comprising:
- receiving from a station that intends to associate in the wireless network, first key generation information provided by the access point and second key generation information provided by the station;
providing third key generation information;
generating a security key using the first key generation information, the second key generation information, the third key generation information, and an initial key; and
sending the third key generation information and the security key to the station.
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Abstract
A method and apparatus for managing communication security in a wireless network are provided. The method includes receiving from a station that intends to associate in the wireless network including an access point, first key generation information provided by the access point and second key generation information provided by the station, providing third key generation information, generating a security key using the first key generation information, the second key generation information, the third key generation information, and an initial key, and sending the third key generation information and the security key to the station.
84 Citations
84 Claims
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1. A method of managing communication security in a wireless network including an access point, the method comprising:
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receiving from a station that intends to associate in the wireless network, first key generation information provided by the access point and second key generation information provided by the station;
providing third key generation information;
generating a security key using the first key generation information, the second key generation information, the third key generation information, and an initial key; and
sending the third key generation information and the security key to the station. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of managing communication security in a wireless network, the method comprising:
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receiving from a station that intends to associate in the wireless network including an access point, first key generation information provided by the access point and second key generation information provided by the station;
generating a security key using the first key generation information, the second key generation information, and an initial key; and
sending the security key to the station. - View Dependent Claims (9)
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10. A method of managing communication security in a wireless network, which is performed by a station that intends to associate in the wireless network, the method comprising:
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receiving first key generation information from an access point included in the wireless network;
providing second key generation information;
transmitting the first key generation information and the second key generation information to a key generation apparatus;
receiving from the key generation apparatus, third key generation information provided by the key generation apparatus and a security key which is generated by the key generation apparatus using the first key generation information, the second key generation information, the third key generation information, and an initial key;
transmitting the second key generation information and the third key generation information to the access point; and
performing communication with the access point using the security key. - View Dependent Claims (11, 12, 13, 14)
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15. A method of managing communication security in a wireless network, which is performed by a station that intends to associate in the wireless network, the method comprising:
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receiving first key generation information from an access point included in the wireless network;
providing second key generation information;
transmitting the first key generation information and the second key generation information to a key generation apparatus;
receiving from the key generation apparatus a security key, which is generated by the key generation apparatus using the first key generation information, the second key generation information, and an initial key;
transmitting the second key generation information to the access point; and
performing communication with the access point using the security key. - View Dependent Claims (16)
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17. A method of managing communication security in a wireless network, which is performed by an access point included in the wireless network, the method comprising:
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providing first key generation information;
transmitting the first key generation information to a station that intends to associate in the wireless network;
receiving from the station, second key generation information provided by the station and third key generation information provided by a key generation apparatus, which generates a security key to be used by the station in the wireless network;
generating a security key using the first key generation information, the second key generation information, the third key generation information, and an initial key that the access point stores; and
performing communication with the station using the generated security key. - View Dependent Claims (18, 19, 20, 21)
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22. A key generation apparatus comprising:
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a communication apparatus interface module which receives from a station that intends to associate in a wireless network including an access point, first key generation information provided by the access point and second key generation information provided by the station;
a key generation information providing module which provides third key generation information;
a storage module which stores an initial key;
a security key generation module which generates a security key using the first key generation information and the second key generation information, which are received through the communication apparatus interface module, the third key generation information provided by the key generation information providing module, and the initial key stored in the storage module; and
a control module which sends the third key generation information provided by the key generation information providing module and the security key generated by the security key generation module to the station through the communication apparatus interface module. - View Dependent Claims (23, 24, 25, 26, 27, 28)
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29. A key generation apparatus comprising:
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a communication apparatus interface module which receives from a station that intends to associate in a wireless network including an access point, first key generation information provided by the access point and second key generation information provided by the station;
a storage module which stores an initial key;
a security key generation module which generates a security key using the first key generation information and the second key generation information, which are received through the communication apparatus interface module, and the initial key stored in the storage module; and
a control module which sends the security key generated by the security key generation module to the station through the communication apparatus interface module. - View Dependent Claims (30)
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31. A station that intends to associate in a wireless network, the station comprising:
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a network communication module which receives first key generation information from an access point included in the wireless network;
a key generation information providing module which provides second key generation information;
a key generation apparatus interface module which transmits the first key generation information and the second key generation information to a key generation apparatus and receives from the key generation apparatus, third key generation information provided by the key generation apparatus and a security key generated by the key generation apparatus using the first key generation information, the second key generation information, the third key generation information, and an initial key; and
a control module which transmits the second key generation information and the third key generation information to the access point via the network communication module when receiving the security key and the third key generation information through the key generation apparatus interface module and sets the security key for communication between the access point and the station. - View Dependent Claims (32, 33, 34, 35)
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36. A station that intends to associate in a wireless network, the station comprising:
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a network communication module which receives first key generation information from an access point included in the wireless network;
a key generation information providing module which provides second key generation information;
a key generation apparatus interface module which transmits the first key generation information and the second key generation information to a key generation apparatus and receives from the key generation apparatus a security key generated by the key generation apparatus using the first key generation information, the second key generation information, and an initial key; and
a control module which transmits the second key generation information to the access point via the network communication module when receiving the security key through the key generation apparatus interface module and sets the security key for communication between the access point and the station. - View Dependent Claims (37)
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38. An access point for managing communication security in a wireless network to communicate with a station that intends to associate in the wireless network, the access point comprising:
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a key generation information providing module which provides first key generation information;
a network communication module which transmits the first key generation information provided by the key generation information providing module to the station and receives from the station second key generation information provided by the station and third key generation information provided by a key generation apparatus, which generates a security key to be used by the station in the wireless network;
a storage module which stores an initial key;
a security key generation module which generates a security key using the first key generation information, the second key generation information, the third key generation information, and the initial key stored in the storage module; and
an encryption and decryption module which encrypts data, which will be transmitted to the station via the network communication module, using the security key generated by the security key generation module and decrypts encrypted data received from the station via the network communication module using the security key. - View Dependent Claims (39, 40, 41, 42)
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43. An initial key providing apparatus comprising:
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a communication apparatus interface module which performs communication with an access point and a station;
a control module which performs authentication with the access point and receives an initial key from the access point through the communication apparatus interface module and performs authentication with the station and transmits the initial key to the station through the communication apparatus interface module; and
a storage module which stores the received initial key. - View Dependent Claims (44, 45, 46)
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47. A method of managing communication security in a wireless network, which is performed by a station that intends to associate in the wireless network, the method comprising:
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providing first key generation information;
storing the first key generation information in a key transmitter connected to the station;
acquiring from the key transmitter a security key, which is generated by an access point included in the wireless network using the first key generation information, second key generation information provided by the access point, and an initial key, when the key transmitter is newly connected to the station,; and
setting the security key acquired from the key transmitter as a security key used for communication with the access point. - View Dependent Claims (48, 49, 50, 51, 52)
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53. A method of managing communication security in a wireless network, which is performed by an access point included in the wireless network, the method comprising:
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acquiring first key generation information provided by a station that intends to associate in the wireless network from a key transmitter connected to the access point;
providing second key generation information;
generating a security key using the first key generation information, the second key generation information, and an initial key;
storing the security key in the key transmitter; and
setting the security key as a security key used for communication with the station. - View Dependent Claims (54, 55, 56)
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57. A station that intends to associate in a wireless network, the station comprising:
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a key transmitter interface module which is connected to a key transmitter;
a key generation information providing module which provides first key generation information; and
a control module which stores the first key generation information in the key transmitter through the key transmitter interface module, acquires a security key from the key transmitter when the key transmitter is newly connected through the key transmitter interface module, and sets the acquired security key as a security key used for communication with an access point included in the wireless network. - View Dependent Claims (58, 59, 60, 61, 62)
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63. An access point for managing communication security in a wireless network to communicate with a station that intends to associate in the wireless network, the access point comprising:
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a key transmitter interface module which is connected to a key transmitter;
a key generation information providing module which provides second key generation information;
a security key generation module which generates a security key using first key generation information, which is provided by the station and stored in the key transmitter, the second key generation information, and an initial key; and
a control module which stores the generated security key in the key transmitter through the key transmitter interface module and sets the generated security key as a security key used for communication with the station. - View Dependent Claims (64, 65, 66)
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67. A method of managing communication security in a wireless network, which is performed by a station that intends to associate in the wireless network, the method comprising:
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providing first key generation information;
transmitting the first key generation information to an access point included in the wireless network using limited range communication means;
receiving from the access point a security key, which is generated by the access point using the first key generation information, second key generation information provided by the access point, and an initial key using the limited range communication means; and
setting the received security key to perform communication in accordance with the wireless network. - View Dependent Claims (68, 69, 70, 71)
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72. A method of managing communication security in a wireless network, which is performed by a access point included in the wireless network, the method comprising:
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receiving first key generation information from a station that intends to associate in the wireless network using limited range communication means;
providing second key generation information;
generating a security key using the first key generation information, the second key generation information, and an initial key;
transmitting the generated security key to the station using the limited range communication means; and
setting the generated security key as a security key used to perform communication in accordance with the wireless network. - View Dependent Claims (73, 74, 75)
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76. A station that intends to associate in a wireless network, the station comprising:
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a key generation information providing module which provides first key generation information;
a limited range communication module which transmits the first key generation information to an access point included in the wireless network and receives from the access point a security key, which is generated by the access point using the first key generation information, second key generation information provided by the access point, and an initial key;
a network communication module which performs network communication in accordance with the wireless network; and
a control module which sets the received security key for the network communication performed by the network communication module. - View Dependent Claims (77, 78, 79, 80)
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81. An access point included in a wireless network, the access point comprising:
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a limited range communication module which receives first key generation information from a station that intends to associate in the wireless network;
a key generation information providing module which provides second key generation information;
a security key generation module which generates a security key using the first key generation information, the second key generation information, and an initial key;
a network communication module which performs network communication in accordance with the wireless network; and
a control module which transmits the generated security key to the station using the limited range communication module and sets the generated security key to use for the network communication performed by the network communication module. - View Dependent Claims (82, 83, 84)
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Specification