Shared keys based on multiple features
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United States of America Patent
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Jun 30, 2020
Grant Date -
Aug 15, 2019
app pub date -
Apr 26, 2019
filing date -
Jun 24, 2016
priority date (Note) -
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Abstract
A method for secret sharing utilizing multiple features of an input includes: receiving a registration input; obtaining features from the registration input; generating a secret key and a plurality of shared keys according to a shared secret scheme; associating each of the plurality of shared keys with a respective feature of the registration input; generating a plurality of additional features associated with additional keys having a similar format as a shared key associated with a respective feature; storing the plurality of shared keys associated with respective features together with the plurality of additional keys associated with additional features; and encrypting an element to be protected by the secret key using the secret key.
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