DE2607784C3 - Datenchiffrierverfahren und Vorrichtung zur Durchführung dieses Verfahrens - Google Patents

Datenchiffrierverfahren und Vorrichtung zur Durchführung dieses Verfahrens

Info

Publication number
DE2607784C3
DE2607784C3 DE2607784A DE2607784A DE2607784C3 DE 2607784 C3 DE2607784 C3 DE 2607784C3 DE 2607784 A DE2607784 A DE 2607784A DE 2607784 A DE2607784 A DE 2607784A DE 2607784 C3 DE2607784 C3 DE 2607784C3
Authority
DE
Germany
Prior art keywords
shift register
register
output
bit sequence
bit
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE2607784A
Other languages
German (de)
English (en)
Other versions
DE2607784B2 (de
DE2607784A1 (de
Inventor
Eugene Louis Centerville Grillmeier
Jack Ramon Waynesville Gross
Robert Paul Kettering Myers
Harold Samons Dayton Richard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NCR International Inc
Original Assignee
NCR Corp
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 NCR Corp filed Critical NCR Corp
Publication of DE2607784A1 publication Critical patent/DE2607784A1/de
Publication of DE2607784B2 publication Critical patent/DE2607784B2/de
Application granted granted Critical
Publication of DE2607784C3 publication Critical patent/DE2607784C3/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06Q20/347—Passive cards
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
    • H04L9/0668—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator producing a non-linear pseudorandom sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/12—Details relating to cryptographic hardware or logic circuitry
    • H04L2209/125—Parallelization or pipelining, e.g. for accelerating processing of cryptographic operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/34—Encoding or coding, e.g. Huffman coding or error correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Business, Economics & Management (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Nonlinear Science (AREA)
  • Accounting & Taxation (AREA)
  • Strategic Management (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Credit Cards Or The Like (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Correction Of Errors (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
DE2607784A 1975-02-28 1976-02-26 Datenchiffrierverfahren und Vorrichtung zur Durchführung dieses Verfahrens Expired DE2607784C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/553,955 US4004089A (en) 1975-02-28 1975-02-28 Programmable cryptic device for enciphering and deciphering data

Publications (3)

Publication Number Publication Date
DE2607784A1 DE2607784A1 (de) 1976-09-09
DE2607784B2 DE2607784B2 (de) 1977-09-08
DE2607784C3 true DE2607784C3 (de) 1980-01-31

Family

ID=24211461

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2607784A Expired DE2607784C3 (de) 1975-02-28 1976-02-26 Datenchiffrierverfahren und Vorrichtung zur Durchführung dieses Verfahrens

Country Status (7)

Country Link
US (1) US4004089A (Direct)
JP (1) JPS5917834B2 (Direct)
CA (1) CA1047407A (Direct)
CH (1) CH614301A5 (Direct)
DE (1) DE2607784C3 (Direct)
FR (1) FR2356200A1 (Direct)
GB (1) GB1501073A (Direct)

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US4202051A (en) * 1977-10-03 1980-05-06 Wisconsin Alumni Research Foundation Digital data enciphering and deciphering circuit and method
US4278837A (en) * 1977-10-31 1981-07-14 Best Robert M Crypto microprocessor for executing enciphered programs
US4386234A (en) * 1977-12-05 1983-05-31 International Business Machines Corp. Cryptographic communication and file security using terminals
US4238853A (en) * 1977-12-05 1980-12-09 International Business Machines Corporation Cryptographic communication security for single domain networks
US4227253A (en) * 1977-12-05 1980-10-07 International Business Machines Corporation Cryptographic communication security for multiple domain networks
US4238854A (en) * 1977-12-05 1980-12-09 International Business Machines Corporation Cryptographic file security for single domain networks
US4259720A (en) * 1978-01-09 1981-03-31 Interbank Card Association Security system for electronic funds transfer system
US4408203A (en) * 1978-01-09 1983-10-04 Mastercard International, Inc. Security system for electronic funds transfer system
US4214230A (en) * 1978-01-19 1980-07-22 Rolf Blom Personal identification system
DE2813066C1 (de) * 1978-03-25 1994-07-28 Ant Nachrichtentech Verfahren zur Erzeugung von zufallsähnlichen Chiffrierimpulsfolgen von sehr langer Wiederholungsperiode
US4283599A (en) * 1979-01-16 1981-08-11 Atalla Technovations Method and apparatus for securing data transmissions
US4268715A (en) * 1978-05-03 1981-05-19 Atalla Technovations Method and apparatus for securing data transmissions
US4281215A (en) * 1978-05-03 1981-07-28 Atalla Technovations Method and apparatus for securing data transmissions
US4465901A (en) * 1979-06-04 1984-08-14 Best Robert M Crypto microprocessor that executes enciphered programs
DE3003998A1 (de) * 1980-02-04 1981-09-24 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt System zur ver- und entschluesselung von daten
DE3041393C2 (de) * 1980-11-03 1984-05-17 Stockburger, Hermann, 7742 St Georgen Verfahren zum Erstellen einer vorgegebenen Anzahl von ein Speichermedium aufweisenden Berechtigungskarten
IE52736B1 (en) * 1980-12-16 1988-02-03 Mcwhirter Holding Pty Limited Method and apparatus for verification of recorded messages
US4438824A (en) * 1981-04-22 1984-03-27 Siemens Corporation Apparatus and method for cryptographic identity verification
CA1220259A (en) * 1982-05-11 1987-04-07 Edward J. Weldon, Jr. Integrated scrambler-encoder using pn sequence generator
US5237615A (en) * 1982-05-20 1993-08-17 The United States Of America As Represented By The National Security Agency Multiple independent binary bit stream generator
US5500899A (en) * 1982-05-20 1996-03-19 The United States Of America As Represented By The Director, Nsa Secure voice conferencing apparatus
US4776011A (en) * 1983-10-24 1988-10-04 Sony Corporation Recursive key schedule cryptographic system
GB8400809D0 (en) * 1984-01-12 1984-02-15 De La Rue Co Plc Prepayment metering system
JPS60181823A (ja) * 1984-02-29 1985-09-17 Canon Inc 文書処理装置
EP0157042A3 (en) * 1984-04-04 1986-09-17 Rigby Electronics Group Plc. Electronic data reader/writer
US4802220A (en) * 1985-03-20 1989-01-31 American Telephone And Telegraph Company, At&T Bell Laboratories Method and apparatus for multi-channel communication security
FR2583186B1 (fr) * 1985-06-07 1987-10-02 Flonic Sa Systeme de gestion de stationnement payant
DE3530760A1 (de) * 1985-08-28 1987-03-05 Hetron Computertechnik Gmbh Verschleierung digitalisierter informationen
US4852023A (en) * 1987-05-12 1989-07-25 Communications Satellite Corporation Nonlinear random sequence generators
GB2204975B (en) * 1987-05-19 1990-11-21 Gen Electric Co Plc Authenticator
US4795892A (en) * 1987-12-09 1989-01-03 Cic Systems, Inc. Pre-paid commodity system
US4914697A (en) * 1988-02-01 1990-04-03 Motorola, Inc. Cryptographic method and apparatus with electronically redefinable algorithm
GB8804689D0 (en) * 1988-02-29 1988-03-30 Alcatel Business Systems Franking system
US4888802A (en) * 1988-06-17 1989-12-19 Ncr Corporation System and method for providing for secure encryptor key management
US4935961A (en) * 1988-07-27 1990-06-19 Gargiulo Joseph L Method and apparatus for the generation and synchronization of cryptographic keys
DE4120398A1 (de) * 1991-06-20 1993-01-07 Standard Elektrik Lorenz Ag Datenverarbeitungsanlage
US5267314A (en) * 1992-11-17 1993-11-30 Leon Stambler Secure transaction system and method utilized therein
US5801848A (en) * 1993-01-06 1998-09-01 Fontech Ltd. Process for transmitting and/or storing information
CN1054811C (zh) * 1994-07-26 2000-07-26 国际数据矩阵有限公司 不可变更的自动验证制品
DE69535212T2 (de) * 1994-07-26 2007-08-23 Siemens Energy & Automation, Inc. Verfahren und systeme zur erzeugung und authentifizierung unveränderbarer selbstüberprüfender artikel
US6091816A (en) * 1995-11-07 2000-07-18 Trimble Navigation Limited Integrated audio recording and GPS system
AU1690597A (en) * 1996-01-11 1997-08-01 Mitre Corporation, The System for controlling access and distribution of digital property
US6089460A (en) * 1996-09-13 2000-07-18 Nippon Steel Corporation Semiconductor device with security protection function, ciphering and deciphering method thereof, and storage medium for storing software therefor
US6857099B1 (en) 1996-09-18 2005-02-15 Nippon Steel Corporation Multilevel semiconductor memory, write/read method thereto/therefrom and storage medium storing write/read program
GB2319704B (en) * 1996-11-15 2001-07-04 Desktop Guardian Ltd Data encryption technique
US5970095A (en) * 1997-04-14 1999-10-19 Lockheed Martin Corporation Secure data transmission on a TDM isochronous network
US6088800A (en) 1998-02-27 2000-07-11 Mosaid Technologies, Incorporated Encryption processor with shared memory interconnect
US6731758B1 (en) * 1999-08-29 2004-05-04 Intel Corporation Digital video content transmission ciphering and deciphering method and apparatus
US6920221B1 (en) 1999-08-29 2005-07-19 Intel Corporation Method and apparatus for protected exchange of status and secret values between a video source application and a video hardware interface
US6947558B1 (en) * 1999-08-29 2005-09-20 Intel Corporation Stream cipher having a shuffle network combiner function
DE10000502A1 (de) * 2000-01-08 2001-07-12 Philips Corp Intellectual Pty Datenverarbeitungseinrichtung und Verfahren zu dessen Betrieb
US6641050B2 (en) 2001-11-06 2003-11-04 International Business Machines Corporation Secure credit card
GB2383238B (en) * 2001-12-14 2004-11-10 Hewlett Packard Co Digital document storage
US20040243467A1 (en) * 2003-06-02 2004-12-02 American Express Travel Related Services Company, Inc. System and method for facilitating distribution of incentives from a merchant to a parent
US8045707B2 (en) * 2003-08-15 2011-10-25 Broadcom Corporation System and method for securing data
US7257225B2 (en) * 2003-12-29 2007-08-14 American Express Travel Related Services Company, Inc. System and method for high speed reversible data encryption
US7940926B2 (en) * 2006-06-08 2011-05-10 Novell, Inc. Cooperative encoding of data by pluralities of parties
WO2009033248A1 (en) * 2007-09-10 2009-03-19 Novell, Inc. A method for efficient thread usage for hierarchically structured tasks
EP2096884A1 (en) 2008-02-29 2009-09-02 Koninklijke KPN N.V. Telecommunications network and method for time-based network access
US8671277B2 (en) * 2009-06-09 2014-03-11 Syracuse University Method for secure communication over heterogeneous networks
US9081953B2 (en) 2012-07-17 2015-07-14 Oracle International Corporation Defense against search engine tracking
US11416868B1 (en) * 2019-12-27 2022-08-16 United Services Automobile Association (Usaa) Methods and systems for third-party approval of secure account fund transfer

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US3506783A (en) * 1966-06-17 1970-04-14 Int Standard Electric Corp Key material generator
US3731197A (en) * 1969-12-15 1973-05-01 Ritt Lab Inc Secrecy communication system
US3657699A (en) * 1970-06-30 1972-04-18 Ibm Multipath encoder-decoder arrangement
CH518658A (de) * 1970-07-07 1972-01-31 Patelhold Patentverwaltungs Un Verfahren zur verschlüsselten Nachrichtenübermittlung durch zeitliche Vertauschung von Informationselementen
US3781473A (en) * 1971-04-15 1973-12-25 Datotek Random digital code generator
US3798360A (en) * 1971-06-30 1974-03-19 Ibm Step code ciphering system
US3798359A (en) * 1971-06-30 1974-03-19 Ibm Block cipher cryptographic system
GB1353693A (en) * 1971-12-02 1974-05-22 Mullard Ltd Privacy transmission system
US3911216A (en) * 1973-12-17 1975-10-07 Honeywell Inf Systems Nonlinear code generator and decoder for transmitting data securely

Also Published As

Publication number Publication date
JPS5917834B2 (ja) 1984-04-24
GB1501073A (en) 1978-02-15
DE2607784B2 (de) 1977-09-08
US4004089A (en) 1977-01-18
CA1047407A (en) 1979-01-30
CH614301A5 (Direct) 1979-11-15
FR2356200B1 (Direct) 1979-03-23
DE2607784A1 (de) 1976-09-09
JPS51135398A (en) 1976-11-24
FR2356200A1 (fr) 1978-01-20

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8320 Willingness to grant licences declared (paragraph 23)
8327 Change in the person/name/address of the patent owner

Owner name: NCR INTERNATIONAL INC., DAYTON, OHIO, US

8328 Change in the person/name/address of the agent

Free format text: KAHLER, K., DIPL.-ING., 8948 MINDELHEIM KAECK, J., DIPL.-ING. DIPL.-WIRTSCH.-ING., 8910 LANDSBERG FIENER, J., PAT.-ANWAELTE, 8948 MINDELHEIM

8339 Ceased/non-payment of the annual fee