Data protection method and device

• US 9,171,136 B2
• Filed: 11/17/2014
• Issued: 10/27/2015
• Est. Priority Date: 01/17/1996
• Status: Expired due to Fees

• Current Assignee: Wistaria Trading Inc.
• Original Assignee: Wistaria Trading Inc.
• Inventors: Moskowitz, Scott A.
• Primary Examiner(s): HINDI, NABIL Z
• Application Number:
  US14/542,712
• Publication Number:
  US 20150074817A1
• Time in Patent Office: 344 Days
• Field of Search: 369/53.22, 369/275.2, 369/275.3, 369/83, 369/84, 369/47.1, 369/53.21, 369/59.25, 369/53.31, 369/47.15, 360/60
• US Class Current: 1/1
• CPC Class Codes: G06F 21/10 Protecting distributed programs or content, e.g. vending or licensing of copyrighted material protection in video systems or pay television H04N7/16 ; Digital rights management [DRM]
• CPC Class Codes: G06F 21/1015 to users
• CPC Class Codes: G06F 21/125 by manipulating the program code, e.g. source code, compiled code, interpreted code, machine code
• CPC Class Codes: G06F 21/16 Program or content traceability, e.g. by watermarking
• CPC Class Codes: G06F 21/335 for accessing specific resources, e.g. using Kerberos tickets
• CPC Class Codes: G06F 21/602 Providing cryptographic facilities or services
• CPC Class Codes: G06F 21/6209 to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
• CPC Class Codes: G06F 2211/007 Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress
• CPC Class Codes: G06F 2221/2107 File encryption
• CPC Class Codes: G06T 1/0021 Image watermarking
• CPC Class Codes: G06T 2201/0064 for copy protection or copy management, e.g. CGMS, copy only once, one-time copy
• CPC Class Codes: G06T 2201/0083 whereby only watermarked image required at decoder, e.g. source-based, blind, oblivious
• CPC Class Codes: H04L 2209/605 Copy protection
• CPC Class Codes: H04L 2209/608 Watermarking
• CPC Class Codes: H04L 9/065 Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
• CPC Class Codes: H04L 9/3236 using cryptographic hash functions
• CPC Class Codes: H04L 9/3247 involving digital signatures

Abstract

An apparatus and method for encoding and decoding additional information into a digital information in an integral manner. More particularly, the invention relates to a method and device for data protection.

Claims

1. A method for copy protection of digital information, the digital information including a digital sample, said digital sample comprising at least one of audio, video, and multimedia, and format information, said format information comprising a first portion and a second portion, said method comprising:

identifying, in said digital sample, said format information;

generating, using a key and an encoding algorithm, encoded first portion format information from a first portion of said format information; and

generating encoded digital information, comprising said at least one of audio, video, and multimedia, and said encoded first portion of said format information and said second portion of said format information.

2. A computer based method for generating an executable program, comprising:

in a computer system having memory storing data in a non-transient, storing in said memory (1) a plurality of data resources, wherein said plurality of data resources includes a specifier data resource, which specifier data resource contains data specifying one or more of said plurality of data resources; and

(2) a plurality of code resources, wherein said plurality of code resources includes a decode code resource, wherein said decode code resource functions to decode code resource encoded in specified data resources;

encoding, using an encode key, a first one of said plurality of code resource in one or more data resources specified by said specifier data resource, so that said first one of said plurality of code resources is stored as encoded information in said one or more data resources;

assembling an executable program containing said plurality of data resources and said plurality of code resources;

wherein the said executable program is configured to prompt for a license code;

wherein said executable program is configured to use said decode code resource and either said license code or a decode key derived from said license code, on data resources specified by said specifier data resource, to access said encoded code resources;

wherein said executable program cannot access said encoded code resources without said license code;

wherein said executable program is configured to store personalization information including said license code in a personalization data resource.