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US Patent 9430655 Split tokenization

Patent 9430655 was granted and assigned to EMC on August, 2016 by the United States Patent and Trademark Office.

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent

Patent attributes

Patent Applicant
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Current Assignee
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
9430655
Patent Inventor Names
Rachael Stockton8
Marten van Dijk8
Date of Patent
August 30, 2016
Patent Application Number
13729155
Date Filed
December 28, 2012
Patent Citations Received
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1
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US Patent 11881297 Reducing infusion pump network congestion by staggering updates
2
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US Patent 11888974 Secret sharing information management and security system
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US Patent 11991279 Resilient secret sharing cloud based architecture for data vault
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US Patent 11996188 Medical device update system
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6
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US Patent 11670416 Tagging pump messages with identifiers that facilitate restructuring
7
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US Patent 11769148 System and method of session key generation and exchange
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Patent Primary Examiner
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Eleni Shiferaw
Patent abstract

An improved technique involves providing protection of secrets by splitting the secret into secret shares and providing tokens for each secret share. Along these lines, a terminal splits a secret such as a credit card number into shares. The terminal then transmits each share to a separate and distinct token server. Each token server, upon receiving a secret share, generates a corresponding token and sends that token to an application server. In some cases, when a user at the application server requires access to the secret, the application server sends each token to the token server form which the token was generated. The token servers each send, in return, a secret share to the application server. The application server combines the secret shares to recover the secret.

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