NO872257L - SAFETY KEY. - Google Patents

SAFETY KEY.

Info

Publication number
NO872257L
NO872257L NO872257A NO872257A NO872257L NO 872257 L NO872257 L NO 872257L NO 872257 A NO872257 A NO 872257A NO 872257 A NO872257 A NO 872257A NO 872257 L NO872257 L NO 872257L
Authority
NO
Norway
Prior art keywords
safety key
key
safety
Prior art date
Application number
NO872257A
Other languages
Norwegian (no)
Other versions
NO872257D0 (en
Inventor
Joel Soupirot
Original Assignee
Dassault Electronique
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 Dassault Electronique filed Critical Dassault Electronique
Publication of NO872257D0 publication Critical patent/NO872257D0/en
Publication of NO872257L publication Critical patent/NO872257L/en

Links

Classifications

    • 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
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G06F21/75—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information by inhibiting the analysis of circuitry or operation
    • 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
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • 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
    • G06F21/81—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer by operating on the power supply, e.g. enabling or disabling power-on, sleep or resume operations
    • 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
NO872257A 1986-06-02 1987-05-29 SAFETY KEY. NO872257L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8607901A FR2599525B1 (en) 1986-06-02 1986-06-02 SECURITY KEYBOARD UNIT, PARTICULARLY FOR COMPOSING A CONFIDENTIAL CODE

Publications (2)

Publication Number Publication Date
NO872257D0 NO872257D0 (en) 1987-05-29
NO872257L true NO872257L (en) 1987-12-03

Family

ID=9335891

Family Applications (1)

Application Number Title Priority Date Filing Date
NO872257A NO872257L (en) 1986-06-02 1987-05-29 SAFETY KEY.

Country Status (5)

Country Link
EP (1) EP0248712B1 (en)
DE (1) DE3774000D1 (en)
ES (1) ES2023100T3 (en)
FR (1) FR2599525B1 (en)
NO (1) NO872257L (en)

Families Citing this family (11)

* 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
JP2733300B2 (en) * 1989-04-28 1998-03-30 松下電器産業株式会社 Key input device
DE59107381D1 (en) * 1990-09-17 1996-03-21 Siemens Nixdorf Inf Syst Method for concealing an input on a keyboard input device for security-relevant data
FR2692378B1 (en) * 1992-06-12 1994-07-29 Dassault Automatismes Telecomm IMPROVED SECURITY KEYBOARD UNIT.
FR2723806A1 (en) * 1994-08-17 1996-02-23 Schlumberger Ind Sa SECURE KEYBOARD DEVICE
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
US7305565B1 (en) * 2000-05-31 2007-12-04 Symbol Technologies, Inc. Secure, encrypting pin pad
JP4763163B2 (en) * 2001-06-27 2011-08-31 富士通フロンテック株式会社 Transaction terminal device
US7392396B2 (en) 2002-03-07 2008-06-24 Symbol Technologies, Inc. Transaction device with noise signal encryption
FR2982054B1 (en) * 2011-10-28 2014-06-20 Ingenico Sa METHOD AND DEVICE FOR MANAGING A KEY MATRIX, COMPUTER PROGRAM PRODUCT, AND CORRESPONDING STORAGE MEDIUM
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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973256A (en) * 1975-07-14 1976-08-03 Compucorp Key detection system interconnecting keyboard and data processing system
US4145687A (en) * 1975-09-30 1979-03-20 Denki Onkyo Co., Ltd. Keyboard switch circuit for use in a matrix which has a series circuit including a reluctance element and a diode connected between each row and column of the matrix
FR2401459A1 (en) * 1977-08-26 1979-03-23 Cii Honeywell Bull PORTABLE INFORMATION MEDIA EQUIPPED WITH A MICROPROCESSOR AND A PROGRAMMABLE DEAD MEMORY
NL8201847A (en) * 1982-05-06 1983-12-01 Philips Nv DEVICE FOR PROTECTION AGAINST UNAUTHORIZED READING OF PROGRAM WORDS TO BE MEMORIZED IN A MEMORY.
GB8320294D0 (en) * 1983-07-27 1983-09-01 Panorama Office Systems Ltd Keyboard input devices

Also Published As

Publication number Publication date
NO872257D0 (en) 1987-05-29
EP0248712B1 (en) 1991-10-23
FR2599525A1 (en) 1987-12-04
DE3774000D1 (en) 1991-11-28
FR2599525B1 (en) 1988-07-29
ES2023100T3 (en) 1992-06-01
ES2023100A4 (en) 1992-01-01
EP0248712A1 (en) 1987-12-09

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