Patents by Inventor Seth Richard Arnold

Seth Richard Arnold 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).

  • Pointguard: method and system for protecting programs against pointer corruption attacks
    Patent number: 8631248
    Abstract: To protect computer programs against security attacks that attempt to corrupt pointers within the address space of the program, the value of a pointer is encrypted each time the pointer is initialized or modified, and then the value is decrypted before use, i.e., each time the pointer is read. Preferably, the encrypting and decrypting steps are effected by instructions generated by a compiler during compilation of the program. One convenient method of implementing the encrypting and decrypting steps is by XOR'ing the pointer with a predetermined encryption key value, which could be specially selected or selected at random.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: January 14, 2014
    Assignee: Apple Inc.
    Inventors: Stanley Crispin Cowan, Seth Richard Arnold, Steven Michael Beattie, Perry Michael Wagle
  • Pointguard: method and system for protecting programs against pointer corruption attacks
    Patent number: 7752459
    Abstract: To protect computer programs against security attacks that attempt to corrupt pointers within the address space of the program, the value of a pointer is encrypted each time the pointer is initialized or modified, and then the value is decrypted before use, i.e., each time the pointer is read. Preferably, the encrypting and decrypting steps are effected by instructions generated by a compiler during compilation of the program. One convenient method of implementing the encrypting and decrypting steps is by XOR'ing the pointer with a predetermined encryption key value, which could be specially selected or selected at random.
    Type: Grant
    Filed: December 6, 2002
    Date of Patent: July 6, 2010
    Assignee: Novell, Inc.
    Inventors: Stanley Crispin Cowan, Seth Richard Arnold, Steven Michael Beattie, Perry Michael Wagle
  • Pointguard: method and system for protecting programs against pointer corruption attacks
    Publication number: 20030182572
    Abstract: To protect computer programs against security attacks that attempt to corrupt pointers within the address space of the program, the value of a pointer is encrypted each time the pointer is initialized or modified, and then the value is decrypted before use, i.e., each time the pointer is read. Preferably, the encrypting and decrypting steps are effected by instructions generated by a compiler during compilation of the program. One convenient method of implementing the encrypting and decrypting steps is by XOR'ing the pointer with a predetermined encryption key value, which could be specially selected or selected at random.
    Type: Application
    Filed: December 6, 2002
    Publication date: September 25, 2003
    Inventors: Stanley Crispin Cowan, Seth Richard Arnold, Steven Michael Beattie, Perry Michael Wagle