(57) ABSTRACT A method and system for searching encrypted data using wildcard
keywords. The method includes: obtaining, by a first computing device, a keyword for data to …

(57) ABSTRACT A method, apparatus, and computer-readable medium for searching
polymorphically encrypted data includes generat ing one or more pseudonymous tokens by …

(57) ABSTRACT A wildcard searchable encryption method enables wildcard search of
encrypted text in a cloud-stored encrypted file. In some embodiments, the wildcard …

Secure substring searching on encrypted data may involve a first preprocessing comprising
fragmenting a plaintext string slated for remote secure storage, in a plurality of overlapping …

One embodiment provides a method, including: receiving, from a data owner, an input string
of plaintext data comprising a plurality of characters for storage in a database of a third-party …

Techniques for using padding in format preserving encryption are provided. In one aspect, it
may be determined if padding of a plaintext undergoing format preserving encryption is …

Disclosed embodiments relate to dynamically changing an encryption technique for
encrypted data to be stored in a searchable database. Operations may include receiving …

(Continued) Primary Examiner Phy Anh T Vu (74) Attorney, Agent, or Firm—Finnegan,
Henderson, Farabow, Garrett & Dunner, LLP (57) ABSTRACT Disclosed embodiments …

A method for increasing sargability of encrypted records to allow for searching of a first
column of a first data table for encrypted values containing a search string without having to …

A retrieval method including outputting a first retrieval result to a result area, the first retrieval
result being obtained by referring to a first database based on a first retrieval query entered …