EP 1466304 A1 20041013 - CRYPTOGRAPHIC REVOCATION METHOD USING A CHIP CARD
Title (en)
CRYPTOGRAPHIC REVOCATION METHOD USING A CHIP CARD
Title (de)
KRYPTOGRAPHISCHES WIDERRUFUNGSVERFAHREN MIT EINER CHIPKARTE
Title (fr)
PROCEDE CRYPTOGRAPHIQUE DE REVOCATION A L'AIDE D'UNE CARTE A PUCE
Publication
Application
Priority
- FR 0300112 W 20030115
- FR 0200569 A 20020117
Abstract (en)
[origin: WO03060841A1] The invention relates to a cryptographic method and to a chip card which is used to carry out said method. The inventive cryptographic method comprises the following steps: before any calculation is performed by a computing means of the chip card, said chip card reads (2) an integral list, in a storage means of a second entity, of identifiers of first proprietary entities of a chip card, said list being linked to each status assigned to each of the first entities by the second entity; and, subsequently, the chip card compares (3) the identifier stored in a storage means of the chip card with the contents of the list, in order to authorise (5) or prohibit (4) any calculation by the computing means depending the result of said comparison.
IPC 1-7
IPC 8 full level
CPC (source: EP US)
G06Q 20/341 (2013.01 - EP US); G06Q 20/40975 (2013.01 - EP US); G07F 7/1008 (2013.01 - EP US); H04L 9/3234 (2013.01 - EP US); H04L 9/3247 (2013.01 - EP US); H04L 2209/42 (2013.01 - EP US); H04L 2209/56 (2013.01 - EP US)
Citation (search report)
See references of WO 03060841A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR
DOCDB simple family (publication)
WO 03060841 A1 20030724; AU 2003215703 A1 20030730; EP 1466304 A1 20041013; FR 2834841 A1 20030718; FR 2834841 B1 20040528; US 2005097336 A1 20050505; US 7356842 B2 20080408
DOCDB simple family (application)
FR 0300112 W 20030115; AU 2003215703 A 20030115; EP 03729506 A 20030115; FR 0200569 A 20020117; US 50182304 A 20041228