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United States of America Patent
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Issued Date -
Oct 24, 2013
app pub date -
Apr 23, 2012
filing date -
Apr 23, 2012
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Abandoned
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Abstract
Disclosed are methods and apparatus for providing digital authentication tokens that may be used to verify an identity of a party. A digital authentication token may be determined by iterating a hash function. The input for the first iteration of the hash function may be a function of a password received from a party. Also, a digital authentication token may be determined to be equal to an output of a function composition of a plurality of different hash functions. The argument of the function composition may the function of the password. The function of the password may be performed to increase the entropy of the password. The outputs of the hash functions used may be dependent on (different) salt values.
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