FI85637C - Saett att foerhindra obehoerig aotkomst av information. - Google Patents

Saett att foerhindra obehoerig aotkomst av information. Download PDF

Info

Publication number
FI85637C
FI85637C FI872194A FI872194A FI85637C FI 85637 C FI85637 C FI 85637C FI 872194 A FI872194 A FI 872194A FI 872194 A FI872194 A FI 872194A FI 85637 C FI85637 C FI 85637C
Authority
FI
Finland
Prior art keywords
keystrokes
information
periods
conductors
computer
Prior art date
Application number
FI872194A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI85637B (fi
FI872194A0 (fi
FI872194A (fi
Inventor
Sten Ragnar
Mats Olsson
Original Assignee
Ljungmans Ind Ab
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 Ljungmans Ind Ab filed Critical Ljungmans Ind Ab
Publication of FI872194A0 publication Critical patent/FI872194A0/fi
Publication of FI872194A publication Critical patent/FI872194A/fi
Publication of FI85637B publication Critical patent/FI85637B/fi
Application granted granted Critical
Publication of FI85637C publication Critical patent/FI85637C/fi

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms 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
    • G07F7/0806—Details of the card
    • G07F7/0813—Specific details related to card security
    • G07F7/082—Features insuring the integrity of the data on or in the card
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/82—Protecting input, output or interconnection devices
    • G06F21/83—Protecting input, output or interconnection devices input devices, e.g. keyboards, mice or controllers thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
    • G06Q20/341—Active cards, i.e. cards including their own processing means, e.g. including an IC or chip
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms 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
    • G07F7/10—Mechanisms 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
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms 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
    • G07F7/10—Mechanisms 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
    • G07F7/1008—Active credit-cards provided with means to personalise their use, e.g. with PIN-introduction/comparison system

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Business, Economics & Management (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Software Systems (AREA)
  • Accounting & Taxation (AREA)
  • Strategic Management (AREA)
  • General Business, Economics & Management (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
FI872194A 1986-05-22 1987-05-19 Saett att foerhindra obehoerig aotkomst av information. FI85637C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8602323A SE448803B (sv) 1986-05-22 1986-05-22 Sett att forhindra obehorig atkomst av information
SE8602323 1986-05-22

Publications (4)

Publication Number Publication Date
FI872194A0 FI872194A0 (fi) 1987-05-19
FI872194A FI872194A (fi) 1987-11-23
FI85637B FI85637B (fi) 1992-01-31
FI85637C true FI85637C (fi) 1992-05-11

Family

ID=20364608

Family Applications (1)

Application Number Title Priority Date Filing Date
FI872194A FI85637C (fi) 1986-05-22 1987-05-19 Saett att foerhindra obehoerig aotkomst av information.

Country Status (9)

Country Link
AU (1) AU585718B2 (de)
CH (1) CH673163A5 (de)
DK (1) DK166114C (de)
ES (1) ES2003804A6 (de)
FI (1) FI85637C (de)
FR (1) FR2599164A1 (de)
GB (1) GB2190775B (de)
NO (1) NO172315C (de)
SE (1) SE448803B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8826340D0 (en) * 1988-11-10 1988-12-14 Ncr Co Data entry keyboard apparatus
US5254989A (en) * 1988-12-20 1993-10-19 Bull S.A. Garbling the identification of a key of a non-coded keyboard, and circuit for performing the method
FR2641656B1 (fr) * 1988-12-20 1991-08-02 Bull Sa Procede de brouillage de l'identification d'une touche d'un clavier non code, et circuit pour la mise en oeuvre du procede
ES2082892T3 (es) * 1990-09-17 1996-04-01 Siemens Nixdorf Inf Syst Procedimiento para el enmascaramiento de una entrada en un aparato de entrada de teclado para datos relevantes para la seguridad.
US5832206A (en) * 1996-03-25 1998-11-03 Schlumberger Technologies, Inc. Apparatus and method to provide security for a keypad processor of a transaction terminal
FR2982392B1 (fr) * 2011-11-04 2013-12-20 Ingenico Sa Procede et dispositif de gestion d'une matrice de touches, avec protection contre un dispositif espion actif, produit programme d'ordinateur et moyen de stockage correspondants.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4333090A (en) * 1980-05-05 1982-06-01 Hirsch Steven B Secure keyboard input terminal
EP0081765B2 (de) * 1981-12-11 1991-07-03 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Diebstahlsicherungsvorrichtung für Kraftfahrzeuge

Also Published As

Publication number Publication date
FR2599164A1 (fr) 1987-11-27
GB2190775B (en) 1989-12-13
AU7326587A (en) 1987-11-26
SE8602323D0 (sv) 1986-05-22
ES2003804A6 (es) 1988-11-16
NO172315B (no) 1993-03-22
GB2190775A (en) 1987-11-25
DK257587D0 (da) 1987-05-21
DK166114C (da) 1993-07-19
GB8710323D0 (en) 1987-06-03
DK166114B (da) 1993-03-08
CH673163A5 (de) 1990-02-15
NO872131L (no) 1987-11-23
FI85637B (fi) 1992-01-31
DK257587A (da) 1987-11-23
SE448803B (sv) 1987-03-16
FI872194A0 (fi) 1987-05-19
FI872194A (fi) 1987-11-23
NO172315C (no) 1993-06-30
NO872131D0 (no) 1987-05-21
AU585718B2 (en) 1989-06-22

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: LJUNGMANS INDUSTRIER AB