SE8602323D0 - WAY TO PREVENT UNAUTHORIZED ACCESS OF INFORMATION - Google Patents

WAY TO PREVENT UNAUTHORIZED ACCESS OF INFORMATION

Info

Publication number
SE8602323D0
SE8602323D0 SE8602323A SE8602323A SE8602323D0 SE 8602323 D0 SE8602323 D0 SE 8602323D0 SE 8602323 A SE8602323 A SE 8602323A SE 8602323 A SE8602323 A SE 8602323A SE 8602323 D0 SE8602323 D0 SE 8602323D0
Authority
SE
Sweden
Prior art keywords
depressions
information
computer
lines
signals
Prior art date
Application number
SE8602323A
Other languages
Swedish (sv)
Other versions
SE448803B (en
Inventor
S Ragner
M 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
Priority to SE8602323A priority Critical patent/SE448803B/en
Publication of SE8602323D0 publication Critical patent/SE8602323D0/en
Publication of SE448803B publication Critical patent/SE448803B/en
Priority to GB8710323A priority patent/GB2190775B/en
Priority to FI872194A priority patent/FI85637C/en
Priority to ES8701498A priority patent/ES2003804A6/en
Priority to FR8707163A priority patent/FR2599164A1/en
Priority to NO872131A priority patent/NO172315C/en
Priority to AU73265/87A priority patent/AU585718B2/en
Priority to DK257587A priority patent/DK166114C/en
Priority to CH1960/87A priority patent/CH673163A5/de

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)

Abstract

In a method of preventing unauthorised access to information inputted by key depressions on a keyboard (21), e.g. PIN codes inputted in a cash dispenser, and transferred from the keyboard in the form of electric signals on electric lines (d0-d3) to a computer (23) processing the information, the computer (23) receives signals from the lines during specific receiving periods, and between these periods the computer transmits, on the said lines, signals which simulate the depressions. The duration and frequency of these simulated key prevent an unauthorised line tapper from distinguishing simulated key depressions from genuine depressions. <IMAGE>
SE8602323A 1986-05-22 1986-05-22 WAY TO PREVENT UNAUTHORIZED ACCESS OF INFORMATION SE448803B (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SE8602323A SE448803B (en) 1986-05-22 1986-05-22 WAY TO PREVENT UNAUTHORIZED ACCESS OF INFORMATION
GB8710323A GB2190775B (en) 1986-05-22 1987-04-30 Method of preventing unauthorised access to information
FI872194A FI85637C (en) 1986-05-22 1987-05-19 SAETT ATT FOERHINDRA OBEHOERIG AOTKOMST AV INFORMATION.
ES8701498A ES2003804A6 (en) 1986-05-22 1987-05-21 Preventing unauthorised access to information
FR8707163A FR2599164A1 (en) 1986-05-22 1987-05-21 METHOD FOR PREVENTING UNAUTHORIZED ACCESS TO INFORMATION
NO872131A NO172315C (en) 1986-05-22 1987-05-21 PROCEDURE FOR AA PREVENT UNAUTHORIZED ACCESS TO INFORMATION
AU73265/87A AU585718B2 (en) 1986-05-22 1987-05-21 Method of Preventing unauthorised access to information
DK257587A DK166114C (en) 1986-05-22 1987-05-21 PROCEDURE FOR PREVENTING UNDECOMPLETE PROCUREMENT OF INFORMATION
CH1960/87A CH673163A5 (en) 1986-05-22 1987-05-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8602323A SE448803B (en) 1986-05-22 1986-05-22 WAY TO PREVENT UNAUTHORIZED ACCESS OF INFORMATION

Publications (2)

Publication Number Publication Date
SE8602323D0 true SE8602323D0 (en) 1986-05-22
SE448803B SE448803B (en) 1987-03-16

Family

ID=20364608

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8602323A SE448803B (en) 1986-05-22 1986-05-22 WAY TO PREVENT UNAUTHORIZED ACCESS OF INFORMATION

Country Status (9)

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

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
FR2641656B1 (en) * 1988-12-20 1991-08-02 Bull Sa METHOD FOR INTERFERING THE IDENTIFICATION OF A KEY FROM AN UNCODED KEYBOARD, AND CIRCUIT FOR IMPLEMENTING THE METHOD
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
ATE134055T1 (en) * 1990-09-17 1996-02-15 Siemens Nixdorf Inf Syst METHOD FOR CONCEALING AN ENTRY ON A KEYBOARD INPUT DEVICE FOR SECURITY-RELEVANT DATA
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 (en) * 2011-11-04 2013-12-20 Ingenico Sa METHOD AND DEVICE FOR MANAGING A KEY MATRIX, WITH PROTECTION AGAINST AN ACTIVE ESPION DEVICE, COMPUTER PROGRAM PRODUCT AND CORRESPONDING STORAGE MEDIUM

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 (en) * 1981-12-11 1991-07-03 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Theft protection device for motor vehicles

Also Published As

Publication number Publication date
SE448803B (en) 1987-03-16
CH673163A5 (en) 1990-02-15
AU7326587A (en) 1987-11-26
FI872194A (en) 1987-11-23
AU585718B2 (en) 1989-06-22
FI872194A0 (en) 1987-05-19
DK166114C (en) 1993-07-19
FI85637B (en) 1992-01-31
GB2190775A (en) 1987-11-25
NO872131D0 (en) 1987-05-21
DK257587A (en) 1987-11-23
ES2003804A6 (en) 1988-11-16
GB2190775B (en) 1989-12-13
NO872131L (en) 1987-11-23
FR2599164A1 (en) 1987-11-27
FI85637C (en) 1992-05-11
NO172315B (en) 1993-03-22
DK166114B (en) 1993-03-08
GB8710323D0 (en) 1987-06-03
NO172315C (en) 1993-06-30
DK257587D0 (en) 1987-05-21

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