Continuous biometric authentication using frame preamble for biometric data
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United States of America Patent
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May 22, 2007
Grant Date -
N/A
app pub date -
Nov 27, 2002
filing date -
Nov 27, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A client connected to a network switch is continuously authenticated to a network switch by using biometrics, wherein the client and the network switch exchange Ethernet/802.3 frames associated with a client application, and wherein the client and the network switch are coupled by a full-duplex Ethernet/802.3 communication channel. A biometric data sample of a user of the client is captured. Biometric data is encapsulated in an authentication protocol message frame. The authentication protocol message frame is separated into a sequence of a plurality of fragments, each fragment having a predetermined number of bytes. Respective sequence numbers are assigned to each of the fragments. Each of the fragments is inserted with its respective sequence number in a respective preamble of a respective one of a plurality of Ethernet/802.3 frames associated with the client application that are being transmitted from the client to the network switch.
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