Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Paul Grubbs0
Date of Patent
September 27, 2016
0Patent Application Number
144904320
Date Filed
September 18, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An order-preserving encryption (OPE) encryption method receives a plaintext (clear text) and generates a ciphertext (encrypted text) using a software arbitrary precision floating point libraries during initial recursive computation rounds. In response to the ciphertext space reducing to breakpoint, the OPE encryption method continues computations using a hardware floating point processor to accelerate the computation. In this manner, the OPE encryption method enables efficient order preserving encryption to enable range queries on encrypted data.
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