METHODS AND CIRCUITS FOR SECURING ENCACHED INFORMATION - Patent 1256061

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EP 1 256 061 A1

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(43)	Date of publication:
	13.11.2002 Bulletin 2002/46

(21)	Application number: 01906738.8

(22)	Date of filing: 26.01.2001

(51)	International Patent Classification (IPC)⁷: G06F 12/14, G06F 12/12

(86)	International application number:
	PCT/US0102/767

(87)	International publication number:
	WO 0105/7677 (09.08.2001 Gazette 2001/32)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

01.02.2000 US 495813
30.06.2000 US 608055

(71)	Applicant: Cirrus Logic, Inc.
	Austin, TX 78760 (US)

(72)	Inventors:
	NORTH, Gregory, Allen Austin, TX 78733 (US) PERRY, Matthew, Richard Austin, TX 78750 (US) KIRCHER, Brian, Christopher Round Rock, TX 78681 (US)

(74)	Representative: Popp, Eugen, Dr. et al
	MEISSNER, BOLTE & PARTNERPostfach 86 06 24 81633 München 81633 München (DE)

(54)	METHODS AND CIRCUITS FOR SECURING ENCACHED INFORMATION