Bio-cryptography: secure cryptographic protocols with bipartite biotokens
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United States of America Patent
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Sep 16, 2014
Grant Date -
Oct 29, 2009
app pub date -
Nov 26, 2008
filing date -
Apr 25, 2008
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Abstract
Techniques, systems and methods are described relating to combining biometric and cryptographic techniques to support securely embedding data within a token and subsequent biometrically-enabled recovery of said data. Various transformation approaches are described that provide a secure means for transforming a stored or live, secure biometric-based identity token, embedding data into such tokens and biometric-based matching to both verify the user's identity and recover the embedded data. Security enhancements to a range of existing protocols are described using the techniques. Systems using novel protocols based on these techniques are described.
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