METHODS AND APPARATUS FOR SECURE, PORTABLE, WIRELESS AND MULTI-HOP DATA NETWORKING
First Claim
1. An authentication method for clients that move among wireless service areas provided by multiple nodes, said mobile client authentication method comprising:
- implementing communication via a client, using a key generated after client authentication has been performed, said client carrying out the communication encoded using said key in a wireless service area provided by a first node that possesses said key;
sending, when determining that the client moves from the wireless service area of the first node to the wireless service area of a second node, a message including at least information on said key to the second node, andenabling the client to carry out encoded communication in the wireless service area provided by the second node, when the second node is able to confirm that at least the information on said key is identical to that of said key possessed by the first node.
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Abstract
A mobile network solution provides secure and portable wireless networking service to mobile users with devices equipped with wireless network interfaces. The Secure Nomadic Wireless Network, or SNOWNET, follows a hierarchical approach. Special SNOWNET nodes are deployed in the area where networking service is needed and form a backbone network. At the same time, SNOWNET nodes provide local access service to regular mobile clients. SNOWNET provides security through authentication of the nodes and clients, as well as through encryption of the data.
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Citations
10 Claims
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1. An authentication method for clients that move among wireless service areas provided by multiple nodes, said mobile client authentication method comprising:
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implementing communication via a client, using a key generated after client authentication has been performed, said client carrying out the communication encoded using said key in a wireless service area provided by a first node that possesses said key; sending, when determining that the client moves from the wireless service area of the first node to the wireless service area of a second node, a message including at least information on said key to the second node, and enabling the client to carry out encoded communication in the wireless service area provided by the second node, when the second node is able to confirm that at least the information on said key is identical to that of said key possessed by the first node. - View Dependent Claims (2, 3, 4, 5)
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6. A node that receives authentication from another node and, when a client carrying out mobile communication encoded using a key in the wireless service area provided by said other node moves, provides wireless service to said client, said node comprising,
a reception unit that receives a message including at least information on the key from said client when receiving authentication from said other node, when said client is moving to the wireless service area of its node, and a unit that enables said client to carry out encoded communication in the wireless service area, when the information on the key received from the client can be confirmed as being the same as said key in said other node.
Specification