Patents by Inventor Alexander Shokurov

Alexander Shokurov has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Tamper resistant software encoding and analysis
    Patent number: 7506177
    Abstract: The present invention relates generally to computer software, and more specifically, to a method and system of making computer software resistant to tampering and reverse-engineering. Tampering refers to changing computer software in a manner that is against the wishes of the original author, and is distinct from obscurity techniques which do not change the underlieing data or control flow of a program. Broadly speaking, the method of the invention is to analyse the effectiveness of various encoding techniques by measuring the number of possible decodings corresponding to a given encoded world. This analysis gave rise to a number of new data flow encoding techniques including alternative mixed encoding (a combination of linear and residue number encoding), and multinomial encoding.
    Type: Grant
    Filed: May 24, 2002
    Date of Patent: March 17, 2009
    Assignee: Cloakware Corporation
    Inventors: Stanley T. Chow, Harold J. Johnson, Alexander Shokurov
  • Tamper resistant software encoding and analysis
    Publication number: 20040236955
    Abstract: The present invention relates generally to computer software, and more specifically, to a method and system of making computer software resistant to tampering and reverse-engineering. Tampering refers to changing computer software in a manner that is against the wishes of the original author, and is distinct from obscurity techniques which do not change the underlieing data or control flow of a program. Broadly speaking, the method of the invention is to analyse the effectiveness of various encoding techniques by measuring the number of possible decodings corresponding to a given encoded world. This analysis gave rise to a number of new data flow encoding techniques including alternative mixed encoding (a combination of linear and residue number encoding), and multinomial encoding.
    Type: Application
    Filed: June 7, 2004
    Publication date: November 25, 2004
    Inventors: Stanley T. Chow, Harold J. Johnson, Alexander Shokurov