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1. WO1998034173 - A METHOD OF PREVENTING UNAUTHORIZED USE OF A COMPUTER PROGRAM

Publication Number WO/1998/034173
Publication Date 06.08.1998
International Application No. PCT/DK1998/000009
International Filing Date 08.01.1998
Chapter 2 Demand Filed 03.04.1998
IPC
G06F 1/00 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
1Details not covered by groups G06F3/-G06F13/82
G06F 21/12 2013.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
10Protecting distributed programs or content, e.g. vending or licensing of copyrighted material
12Protecting executable software
CPC
G06F 21/121
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
10Protecting distributed programs or content, e.g. vending or licensing of copyrighted material
12Protecting executable software
121Restricting unauthorised execution of programs
G06F 2211/007
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
2211Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
007Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress
Applicants
  • JESSEN, Hans [DK]/[DK]
Inventors
  • JESSEN, Hans
Priority Data
0029/9709.01.1997DK
Publication Language English (EN)
Filing Language Danish (DA)
Designated States
Title
(EN) A METHOD OF PREVENTING UNAUTHORIZED USE OF A COMPUTER PROGRAM
(FR) PROCEDE DESTINE A EMPECHER L'UTILISATION NON AUTORISEE D'UN PROGRAMME INFORMATIQUE
Abstract
(EN)
The present invention relates to a method of preventing unauthorized use of a computer program installed on a computer system. The method comprises determining a signature structure on the basis of creation times for identifiers of Cyberfiles, e.g. file catalogues. This signature structure is associated with the computer program which is able to recognize the current signature structure within certain predetermined tolerances during the execution, otherwise the execution is interrupted or changed. The invention finds use preferably for protecting computer programs and database information, including multimedia, against copying.
(FR)
La présente invention concerne un procédé destiné à empêcher l'utilisation non autorisée d'un programme informatique installé sur un système informatique. Ce procédé consiste à déterminer une structure de signature d'après les temps de création d'identificateurs de fichiers électroniques, par exemple des catalogues de fichiers. Cette structure de signature est associée au programme informatique, lequel peut, pendant l'exécution, reconnaître la structure de signature actuelle, à l'intérieur de certaines tolérances déterminées, faute de quoi, il interrompt l'exécution ou change celle-ci. De préférence, l'invention est conçue pour protéger, contre la copie, des programmes informatiques et des informations de bases de données, notamment des informations multimédia.
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