System and method for obfuscating an identifier to protect the identifier from impermissible appropriation
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United States of America Patent
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May 12, 2020
Grant Date -
Dec 14, 2017
app pub date -
Dec 30, 2015
filing date -
Dec 31, 2014
priority date (Note) -
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Abstract
A system and method of operating a database system to protect personal identifiers from being revealed. The system and method obfuscates personal identifiers using a secret value, storing in a database records containing the obfuscated personal identifier, storing the secret value in a identifier translation device, receiving at a request preparer a record request identifying a requested record using a non-obfuscated personal identifier, and operating the request preparer to direct the identifier translation device to translate the non-obfuscated personal identifier into an obfuscated personal identifier using the secret value stored in the identifier translation device and using the obfuscated personal identifier in a query to the database.
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