DK169883B1 - Fremgangsmåde til sikring af hemmelige kodedata lagret i et datalager og kredsløbsarrangement til udøvelse af fremgangsmåden - Google Patents

Fremgangsmåde til sikring af hemmelige kodedata lagret i et datalager og kredsløbsarrangement til udøvelse af fremgangsmåden Download PDF

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Publication number
DK169883B1
DK169883B1 DK728088A DK728088A DK169883B1 DK 169883 B1 DK169883 B1 DK 169883B1 DK 728088 A DK728088 A DK 728088A DK 728088 A DK728088 A DK 728088A DK 169883 B1 DK169883 B1 DK 169883B1
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DK
Denmark
Prior art keywords
data
code
code data
circuit
comparator
Prior art date
Application number
DK728088A
Other languages
Danish (da)
English (en)
Other versions
DK728088D0 (da
DK728088A (da
Inventor
Hartmut Schrenk
Original Assignee
Siemens Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of DK728088D0 publication Critical patent/DK728088D0/da
Publication of DK728088A publication Critical patent/DK728088A/da
Application granted granted Critical
Publication of DK169883B1 publication Critical patent/DK169883B1/da

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Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F7/00Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/10Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
    • G07F7/1008Active credit-cards provided with means to personalise their use, e.g. with PIN-introduction/comparison system
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F7/00Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/10Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
    • G07F7/1025Identification of user by a PIN code

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Device Security (AREA)
  • Electric Clocks (AREA)
  • Circuits Of Receivers In General (AREA)
  • Control Of El Displays (AREA)
DK728088A 1988-02-25 1988-12-29 Fremgangsmåde til sikring af hemmelige kodedata lagret i et datalager og kredsløbsarrangement til udøvelse af fremgangsmåden DK169883B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3805977 1988-02-25
DE3805977 1988-02-25

Publications (3)

Publication Number Publication Date
DK728088D0 DK728088D0 (da) 1988-12-29
DK728088A DK728088A (da) 1989-08-26
DK169883B1 true DK169883B1 (da) 1995-03-20

Family

ID=6348186

Family Applications (1)

Application Number Title Priority Date Filing Date
DK728088A DK169883B1 (da) 1988-02-25 1988-12-29 Fremgangsmåde til sikring af hemmelige kodedata lagret i et datalager og kredsløbsarrangement til udøvelse af fremgangsmåden

Country Status (6)

Country Link
EP (1) EP0329966B1 (fi)
AT (1) ATE128258T1 (fi)
DE (1) DE58909440D1 (fi)
DK (1) DK169883B1 (fi)
ES (1) ES2077566T3 (fi)
FI (1) FI100068B (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2941361B2 (ja) * 1990-06-07 1999-08-25 株式会社東芝 携帯可能電子装置
FR2789774B1 (fr) 1999-02-11 2001-04-20 Bull Cp8 Procede de comparaison securise de deux registres memoire, et module de securite mettant en oeuvre ce procede

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3761892A (en) * 1971-07-19 1973-09-25 R Bosnyak Electronic locking system
US3829833A (en) * 1972-10-24 1974-08-13 Information Identification Co Code element identification method and apparatus
FR2311365A1 (fr) * 1975-05-13 1976-12-10 Innovation Ste Int Systeme pour transferer et memoriser des donnees de maniere personnelle et confidentielle au moyen d'objets portatifs electroniques independants
ATE52631T1 (de) * 1985-07-03 1990-05-15 Siemens Ag Integrierte schaltung und verfahren zum sichern von geheimen codedaten.
JPS6267800A (ja) * 1985-09-20 1987-03-27 Hitachi Ltd 半導体集積回路装置

Also Published As

Publication number Publication date
EP0329966A1 (de) 1989-08-30
DE58909440D1 (de) 1995-10-26
EP0329966B1 (de) 1995-09-20
DK728088D0 (da) 1988-12-29
FI100068B (fi) 1997-09-15
ATE128258T1 (de) 1995-10-15
DK728088A (da) 1989-08-26
FI890900A0 (fi) 1989-02-24
FI890900A (fi) 1989-08-26
ES2077566T3 (es) 1995-12-01

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