AD HOC ONE-TIME PAIRING OF REMOTE DEVICES USING ONLINE AUDIO FINGERPRINTING
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Abstract
Participants of a phone conference can share electronic data without a need to exchange passwords to link two devices nor to login to access data. The invention is resistant to eavesdropping, and provides methods, devices and systems to easily and automatically find, identify and authenticate participants on a computer network for electronic data exchange. Samples of the audio are used to create a stream of audio fingerprints which are sent to a matching service. This matching service finds the fingerprints that correspond to the same conversation, and exchanges identifiers. When instructed by the user, the device can setup a secure data connection.
49 Citations
63 Claims
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1-30. -30. (canceled)
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31. A method for automatic one-time ad hoc authentication of a data channel in parallel to an existing voice communication across a first network between first and second user equipments of first and second users, respectively, the data channel being adapted for exchanging electronic data, the method comprising:
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creating first and second fingerprints of ad hoc real time audio signals exchanged between the two users and available at the first and second user equipments, respectively; comparing the first and second fingerprints in accordance with a matching algorithm, and if the comparing meets a requirement of matching similarity, receiving a user action authenticating the data channel across a second network. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 59, 61, 62, 63)
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48. A system for automatic one-time ad hoc authentication of a data channel in parallel to an existing voice communication across a first network between first and second user equipments of first and second users, respectively, the data channel being adapted for exchanging electronic data, the system comprising:
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Means for creating first and second fingerprints of ad hoc real time audio signals exchanged between the two users and available at the first and second user equipments, respectively; means for comparing the first and second fingerprints in accordance with a matching algorithm, and for determining if the comparing meets a requirement of matching similarity and means for receiving a user action authenticating the data channel across a second network. - View Dependent Claims (49, 50, 51, 52, 53, 54, 55, 56, 57, 58)
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60. A fingerprinting device comprising
Means for fingerprinting ad hoc real time audio signals of at least two users of a network supporting human voice audio signals; -
Means for transmitting the fingerprints in the direction of a network based matching service; Means for receiving an indication of a match; and Means for receiving a user action for authenticating a data transfer.
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Specification