System for protecting sensitive data with distributed tokenization

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11423504
APP PUB NO 20140046853A1
SERIAL NO

14060186

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Abstract

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A token generating organization may include distributed tokenization systems for generating tokens corresponding to sensitive information. Sensitive information may include sensitive numbers such as social security numbers, credit card numbers or other private numbers. A tokenization system may include multiple physically distinct hardware platforms each having a tokenization server and a database. A tokenization server may run portions of a sensitive number through a predetermined number of rounds of a Feistel network. Each round of the Feistel network may include tokenizing portions of the sensitive number using a fractional token table stored an associated database and modifying the tokenized portions by reversibly adding portions of the sensitive number to the tokenized portions. The fractional token table may include partial sensitive numbers and corresponding partial tokens. A sensitive-information-recovery request including the token may be directed to the token generating organization from the token requestor to recover sensitive information.

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Patent Owner(s)

Patent OwnerAddress
MICRO FOCUS LLCCORPORATION TRUST CENTER WILMINGTON DE 19801

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Minner, Richard T Carmichael, US 10 829
Spies, Terence Mountain View, US 62 3445

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