US Patent 7319751 Data encryption

Patent 7319751 was granted and assigned to F-Secure on January, 2008 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

F-Secure

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

73197510

Patent Inventor Names

Alexey Kirichenko0

Date of Patent

January 15, 2008

Patent Application Number

102689710

Date Filed

October 11, 2002

Patent Primary Examiner

‌

T. B. Truong

Patent abstract

A method of encrypting a data unit, the method comprising the steps of dividing the data unit into a series of data blocks, and for each data block, applying a block cipher function to a data block counter value to generate an encrypted block counter value, performing a logical operation to combine the encrypted block counter with the data block, and applying a block cipher function to the combined data.