GB2020513B - Method and apparatus for securing data transmissions - Google Patents

Method and apparatus for securing data transmissions

Info

Publication number
GB2020513B
GB2020513B GB7913559A GB7913559A GB2020513B GB 2020513 B GB2020513 B GB 2020513B GB 7913559 A GB7913559 A GB 7913559A GB 7913559 A GB7913559 A GB 7913559A GB 2020513 B GB2020513 B GB 2020513B
Authority
GB
United Kingdom
Prior art keywords
apparatus
method
data transmissions
securing data
securing
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
GB7913559A
Other versions
GB2020513A (en
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.)
Atalla Technovations Corp
Original Assignee
Atalla Technovations 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
Priority to US05/902,444 priority Critical patent/US4281215A/en
Priority to US06/003,898 priority patent/US4268715A/en
Priority to US06/009,532 priority patent/US4283599A/en
Application filed by Atalla Technovations Corp filed Critical Atalla Technovations Corp
Publication of GB2020513A publication Critical patent/GB2020513A/en
Application granted granted Critical
Publication of GB2020513B publication Critical patent/GB2020513B/en
Application status is Expired legal-status Critical

Links

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
    • G07F7/1016Devices or methods for securing the PIN and other transaction-data, e.g. by encryption
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communication
    • H04L9/06Cryptographic mechanisms or cryptographic arrangements for secret or secure communication 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
    • H04L9/065Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H04L9/0662Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communication
    • H04L9/32Cryptographic mechanisms or cryptographic arrangements for secret or secure communication including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communication
    • H04L9/32Cryptographic mechanisms or cryptographic arrangements for secret or secure communication including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3226Cryptographic mechanisms or cryptographic arrangements for secret or secure communication including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using a predetermined code, e.g. password, passphrase or PIN
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56Financial cryptography, e.g. electronic payment or e-cash
GB7913559A 1978-05-03 1979-04-19 Method and apparatus for securing data transmissions Expired GB2020513B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US05/902,444 US4281215A (en) 1978-05-03 1978-05-03 Method and apparatus for securing data transmissions
US06/003,898 US4268715A (en) 1978-05-03 1979-01-16 Method and apparatus for securing data transmissions
US06/009,532 US4283599A (en) 1979-01-16 1979-02-05 Method and apparatus for securing data transmissions

Publications (2)

Publication Number Publication Date
GB2020513A GB2020513A (en) 1979-11-14
GB2020513B true GB2020513B (en) 1982-12-22

Family

ID=27357510

Family Applications (3)

Application Number Title Priority Date Filing Date
GB7913559A Expired GB2020513B (en) 1978-05-03 1979-04-19 Method and apparatus for securing data transmissions
GB8213326A Expired GB2099195B (en) 1978-05-03 1979-04-19 Method and apparatus for securing data transmissions
GB8015757A Expired GB2047506B (en) 1978-05-03 1979-04-19 Method and apparatus for securing data transmissions

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB8213326A Expired GB2099195B (en) 1978-05-03 1979-04-19 Method and apparatus for securing data transmissions
GB8015757A Expired GB2047506B (en) 1978-05-03 1979-04-19 Method and apparatus for securing data transmissions

Country Status (6)

Country Link
JP (1) JPS54148402A (en)
CA (1) CA1149484A (en)
CH (1) CH646558A5 (en)
DE (1) DE2916454C2 (en)
FR (1) FR2425114B1 (en)
GB (3) GB2020513B (en)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018129B1 (en) * 1979-04-02 1982-11-17 Motorola, Inc. Method of providing security of data on a communication path
US4349695A (en) * 1979-06-25 1982-09-14 Datotek, Inc. Recipient and message authentication method and system
FR2480539B1 (en) * 1980-04-09 1985-09-13 Cii Honeywell Bull Method and signs messaging system
FR2496294B1 (en) * 1980-12-15 1987-01-02 Thomson Csf Protected device user authentication of a message transmitting terminal and transaction system comprising such devices
SE426128B (en) * 1981-04-08 1982-12-06 Philips Svenska Ab Method for transmission of data messages between two stations, and overforingsanleggning for performing the method
EP0304547A3 (en) * 1981-04-22 1989-09-20 Siemens Aktiengesellschaft Identification control apparatus, method for cryptographic identity control and method for detecting an interruption between a terminal and a communication system
US4438824A (en) * 1981-04-22 1984-03-27 Siemens Corporation Apparatus and method for cryptographic identity verification
FR2514592A1 (en) * 1981-10-12 1983-04-15 Widmer Michel Method and data files of consultation and / or banking transactions, preserves the grace fraud is a process of communication code by random variable
EP0086286B1 (en) * 1982-02-11 1986-11-20 Powell, William S. Information communicating apparatus and method
FR2526977B1 (en) * 1982-05-14 1988-06-10 Cii Honeywell Bull Method and apparatus for authenticating or certify at least one information in a memory of an electronic support including removable and portable such as a card
DE3275604D1 (en) * 1982-12-30 1987-04-09 Ibm Testing the validity of identification codes
EP0112943B1 (en) * 1982-12-30 1987-08-12 International Business Machines Corporation Data communication network
DE3300170C2 (en) * 1983-01-05 1986-12-18 Data-Loesch Gesellschaft Fuer Sicherheitstechniken Im Datenschutz Mbh, 4420 Coesfeld, De
JPS6322948Y2 (en) * 1983-02-25 1988-06-23
JPH0242261B2 (en) * 1983-09-16 1990-09-21
GB2146815A (en) * 1983-09-17 1985-04-24 Ibm Electronic fund transfer systems
GB2146814A (en) * 1983-09-17 1985-04-24 Ibm Electronic fund transfer systems
GB2149944A (en) * 1983-11-14 1985-06-19 Softnet Inc Software distribution
DK152239C (en) * 1983-12-30 1988-07-04 Sp Radio As Method for cryptographic migration of voice signals and communication station for performing the method
JPS6120442A (en) * 1984-07-09 1986-01-29 Toshiba Corp Chargeable broadcasting system
CH668134A5 (en) * 1985-03-15 1988-11-30 Hasler Ag Ascom Apparatus and method for controlled release and storing any vorgabebetraege in the preset memory of a franking machine.
US4649233A (en) * 1985-04-11 1987-03-10 International Business Machines Corporation Method for establishing user authenication with composite session keys among cryptographically communicating nodes
FR2582421B1 (en) * 1985-05-24 1987-07-17 Lefevre Jean Pierre of identity authentication device
US4802217A (en) * 1985-06-07 1989-01-31 Siemens Corporate Research & Support, Inc. Method and apparatus for securing access to a computer facility
GB8524020D0 (en) * 1985-09-30 1985-11-06 British Telecomm Electronic funds transfer
EP0246823A3 (en) * 1986-05-22 1989-10-04 Racal-Guardata Limited Data communication systems and methods
US4882752A (en) * 1986-06-25 1989-11-21 Lindman Richard S Computer security system
GB8621333D0 (en) * 1986-09-04 1986-10-15 Manitoba Telephone System Key management system
FR2615638B1 (en) * 1987-05-20 1989-07-21 Dassault Electronique Device and method enabling computer or telematics
US5239294A (en) * 1989-07-12 1993-08-24 Motorola, Inc. Method and apparatus for authenication and protection of subscribers in telecommunication systems
DE4003386C1 (en) * 1990-02-05 1991-05-23 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
US6175312B1 (en) 1990-05-29 2001-01-16 Microchip Technology Incorporated Encoder and decoder microchips and remote control devices for secure unidirectional communication
GB2260467A (en) * 1991-09-12 1993-04-14 Blick Communications Ltd Repeater
JPH07245605A (en) * 1994-03-03 1995-09-19 Fujitsu Ltd Ciphering information repeater, subscriber terminal equipment connecting thereto and ciphering communication method
US5475757A (en) * 1994-06-07 1995-12-12 At&T Corp. Secure data transmission method
US6690796B1 (en) 1995-05-17 2004-02-10 The Chamberlain Group, Inc. Rolling code security system
EP0771498B1 (en) 1995-05-17 2007-05-09 The Chamberlain Group, Inc. Rolling code security system
US5724423A (en) * 1995-09-18 1998-03-03 Telefonaktiebolaget Lm Ericsson Method and apparatus for user authentication
GB2306860A (en) * 1995-10-24 1997-05-07 Motorola Inc Encryption/decryption system encrypts data using encrypted key
CA2295150A1 (en) * 1997-06-26 1999-01-07 Michael John Kenning Data communications
US6115699A (en) * 1998-12-03 2000-09-05 Nortel Networks Corporation System for mediating delivery of a document between two network sites
GB2434014A (en) * 2006-01-10 2007-07-11 Clive Leader Transaction verification using signed data combination
GB2440358B (en) * 2006-06-30 2009-04-08 G3 Vision Ltd Authentication system and method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1285445A (en) * 1968-08-30 1972-08-16 Smiths Industries Ltd Improvements in or relating to access-control equipment and item-dispensing systems including such equipment
CH516854A (en) * 1969-11-29 1971-12-15 Ciba Geigy Ag Method and apparatus for encrypted transmission of information
US3654604A (en) * 1970-01-05 1972-04-04 Constellation Science And Tech Secure communications control system
US3938091A (en) * 1972-03-17 1976-02-10 Atalla Technovations Company Personal verification system
JPS549859B2 (en) * 1972-12-22 1979-04-27
JPS5099657A (en) * 1973-12-29 1975-08-07
US3956615A (en) * 1974-06-25 1976-05-11 Ibm Corporation Transaction execution system with secure data storage and communications
US4123747A (en) * 1977-05-20 1978-10-31 International Business Machines Corporation Identity verification method and apparatus

Also Published As

Publication number Publication date
GB2020513A (en) 1979-11-14
FR2425114A1 (en) 1979-11-30
GB2099195A (en) 1982-12-01
GB2099195B (en) 1983-05-18
CA1149484A (en) 1983-07-05
GB2047506A (en) 1980-11-26
JPS54148402A (en) 1979-11-20
CH646558A5 (en) 1984-11-30
DE2916454C2 (en) 1983-12-22
GB2047506B (en) 1982-11-24
DE2916454A1 (en) 1979-11-15
CA1149484A1 (en)
FR2425114B1 (en) 1985-01-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930419