SYSTEM AND METHOD FOR PROTECTING NUMERICAL CONTROL CODES

• US 20080294910A1
• Filed: 03/20/2008
• Published: 11/27/2008
• Est. Priority Date: 03/23/2007
• Status: Active Grant

• Current Assignee: Siemens Industry Software Limited (Siemens AG)
• Original Assignee: Siemens Product Lifecycle Management Software Incorporated (Siemens AG)
• Inventors: Lin, Gen
• Granted Patent: US 8,452,983 B2
• Time in Patent Office: Days
• US Class Current: 713/190
• CPC Class Codes: G06F 11/30 Monitoring
• 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: H04L 9/06 the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators

Abstract

A system, method, and computer program for protecting numerical control codes, comprising decrypting an encrypted text file that defines how an event for a tool path data set is processed; processing said decrypted text file to obtain a set of instructions; formatting said set of instructions according to a definition file; and outputting said set of formatted instructions; whereby postprocessed machine controls are written and appropriate means and computer-readable instructions.

Claims

1. A computer implemented method for protecting numerical control codes, comprising:

decrypting an encrypted text file that defines how an event for a tool path data set is processed;

processing said decrypted text file to obtain a set of instructions;

formatting said set of instructions according to a definition file; and

outputting said set of formatted instructions;

whereby postprocessed machine controls are written.

2. The method of claim 1, wherein said encrypted text file is written in an interpretive language.

3. The method of claim 1, wherein said encrypted text file contains license information.

4. A system, comprising:

a postprocessed machine control instruction set processed from an encrypted instruction text file;

a controller that reads said postprocessed machine control instruction set; and

a machine tool that operates according said controller.

5. The system of claim 5, wherein said system is in a virtual environment.

6. The system of claim 5, wherein said encrypted instruction text file has license control information.

7. The system of claim 5, wherein said encrypted instruction text file is created by a third party.

8. A computer-program product tangibly embodied in a machine readable medium to perform a method for protecting numerical control codes, comprising instructions operable to cause a computer to:

decrypt an encrypted text file that defines how an event for a tool path data set is processed;

process said decrypted text file to obtain a set of instructions;

format said set of instructions according to a definition file; and

output said set of formatted instructions;

whereby postprocessed machine controls are written.

9. The computer-program product of claim 8, wherein said encrypted text file is written in an interpretive language.

10. The computer-program product of claim 8, wherein said encrypted text file contains license information.

11. A data processing system having at least a processor and accessible memory to implement a method for protecting numerical control codes, comprising:

means for decrypting an encrypted text file that defines how an event for a tool path data set is processed;

means for process said decrypted text file to obtain a set of instructions;

means for format said set of instructions according to a definition file; and

means for output said set of formatted instructions.