(19)
(11) EP 1 776 794 A2

(12)

(88) Date of publication A3:
01.06.2006

(43) Date of publication:
25.04.2007 Bulletin 2007/17

(21) Application number: 05809820.3

(22) Date of filing: 09.08.2005
(51) International Patent Classification (IPC): 
H04K 1/04(2006.01)
(86) International application number:
PCT/US2005/028316
(87) International publication number:
WO 2006/023334 (02.03.2006 Gazette 2006/09)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK YU

(30) Priority: 12.08.2004 US 918717
12.08.2004 US 918103
12.08.2004 US 918718

(71) Applicant: CMLA, LLC.
Hillsboro, OR 97124 (US)

(72) Inventors:
  • DAMGAARD, Ivan, Bjerre
    DK-8230 Aabyhoej (DK)
  • PEDERSEN, Torben, Pryds
    DK-8230 Aabyhoej (DK)
  • RIJMEN, Vincent
    A-8020 Graz (AT)

(74) Representative: Wilding, Frances Ward et al
Haseltine Lake Lincoln House 300 High Holborn
London WC1V 7JH
London WC1V 7JH (GB)

   


(54) PERMUTATION DATA TRANSFORM TO ENHANCE SECURITY