US Patent Issued to Micro Focus on July 22 for "Method and apparatus for protecting numbers and strings using format-preserving encryption with automatic precision" (California Inventors)

Posted On: 2025-07-23

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,368,572, issued on July 22, was assigned to Micro Focus LLC (Santa Clara, Calif.).

"Method and apparatus for protecting numbers and strings using format-preserving encryption with automatic precision" was invented by Phillip Hillyer Smith III (Santa Clara, Calif.), Leslie Clayton Gutschow (Santa Clara, Calif.), Richard Todd Minner (Santa Clara, Calif.) and Thomas J Wu (Santa Clara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for Precision-Preserving Format-Preserving Encryption (PPFPE) to protect numeric values and strings with leading/trailing and special characters, while preserving their precision, both as a protected value (e.g....

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US Patent Issued to Micro Focus on July 22 for "Method and apparatus for protecting numbers and strings using format-preserving encryption with automatic precision" (California Inventors)