(19)
(11) EP 2 359 250 A2

(12)

(43) Date of publication:
24.08.2011 Bulletin 2011/34

(21) Application number: 09807661.5

(22) Date of filing: 17.11.2009
(51) International Patent Classification (IPC): 
G06F 12/14(2006.01)
G06F 12/08(2006.01)
 H04L 9/08(2006.01)
(86) International application number:
PCT/US2009/064786
(87) International publication number:
WO 2010/057181 (20.05.2010 Gazette 2010/20)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

(30) Priority: 23.12.2008 US 342464
17.11.2008 US 272012
17.12.2008 US 336562
23.12.2008 US 342500
17.12.2008 US 336564
23.12.2008 US 342575
23.12.2008 US 342523
17.12.2008 US 336559
23.12.2008 US 342414
17.12.2008 US 336568
30.12.2008 US 346561
23.12.2008 US 342438
30.12.2008 US 346578
23.12.2008 US 342610
23.12.2008 US 342636
23.12.2008 US 342547
17.12.2008 US 336558
23.12.2008 US 342379

(71) Applicant: Unisys Corporation
Blue Bell, PA 19424-0001 (US)

(72) Inventors:
  • SUMMERS, Scott
    Collegeville PA 19426 (US)
  • FRENCH, Albert
    Schwenksville PA 19473 (US)

(74) Representative: Harrison Goddard Foote 
Belgrave Hall Belgrave Street
GB-Leeds LS2 8DD
GB-Leeds LS2 8DD (GB)

   


(54) SIMULTANEOUS STATE-BASED CRYPTOGRAPHIC SPLITTING IN A SECURE STORAGE APPLIANCE