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Secure generation and inversion of tokens

United States Patent

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September 10, 2019
View the Complete Patent at the US Patent & Trademark Office
Described herein are various technologies related to secure generation of tokens and secure inversion of tokens. A tokenization system executes in a secure execution environment, and is configured to receive a string and an encrypted tokenization function. The tokenization system decrypts the encrypted tokenization function, and executes the tokenization function over the string to generate a token. The token is transmitted to a logically separate computing environment, and the tokenization system deletes the tokenization function and the string.
14/ 676,637
April 1, 2015
G06Q 20/38 (20120101)G06Q 20/36 (20120101)
STATEMENT OF GOVERNMENTAL INTEREST This invention was developed under Contract DE-AC04-94AL85000 between Sandia Corporation and the U.S. Department of Energy. The U.S. Government has certain rights in this invention.