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Title: Loud and clear: human-verifiable authentication based on audio
Authors: Goodrich, Michael 
Solis, John 
Sirivianos, Michael 
Keywords: Computer systems;Computer science;Speech synthesis;Problem solving
Issue Date: 2006
Publisher: IEEE Xplore
Source: ICDCS 2006, 26th IEEE international conference on distributed computing systems, 2006, Pages 1-10
Abstract: Secure pairing of electronic devices that lack any previous association is a challenging problem which has been considered in many contexts and in various flavors. In this paper, we investigate the use of audio for human-assisted authentication of previously un-associated devices. We develop and evaluate a system we call Loud-and-Clear (L&C) which places very little demand on the human user. L&C involves the use of a text-to-speech (TTS) engine for vocalizing a robust-sounding and syntactically-correct (English-like) sentence derived from the hash of a device’s public key. By coupling vocalization on one device with the display of the same information on another device, we demonstrate that L&C is suitable for secure device pairing (e.g., key exchange) and similar tasks. We also describe several common use cases, provide some performance data for our prototype implementation and discuss the security properties of L&C
ISBN: 0-7695-2540-7
DOI: 10.1109/ICDCS.2006.52
Rights: © 2006 IEEE
Type: Book Chapter
Appears in Collections:Κεφάλαια βιβλίων/Book chapters

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