CA2023872A1 - Databaseless security system - Google Patents

Databaseless security system

Info

Publication number
CA2023872A1
CA2023872A1 CA2023872A CA2023872A CA2023872A1 CA 2023872 A1 CA2023872 A1 CA 2023872A1 CA 2023872 A CA2023872 A CA 2023872A CA 2023872 A CA2023872 A CA 2023872A CA 2023872 A1 CA2023872 A1 CA 2023872A1
Authority
CA
Canada
Prior art keywords
computer
smart card
security system
transmitted
memory
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.)
Granted
Application number
CA2023872A
Other languages
French (fr)
Other versions
CA2023872C (en
Inventor
David Michael Claus
Roy S. Coutinho
Kevin Dean Murphy
James Damon Snavley
Kenneth Robert Zempol
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23721656&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2023872(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Publication of CA2023872A1 publication Critical patent/CA2023872A1/en
Application granted granted Critical
Publication of CA2023872C publication Critical patent/CA2023872C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G07F7/10—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
    • 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
    • G06F21/34—User authentication involving the use of external additional devices, e.g. dongles or smart cards
    • 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
    • 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
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
    • G06Q20/409—Device specific authentication in transaction processing
    • G06Q20/4097—Device specific authentication in transaction processing using mutual authentication between devices and transaction partners
    • G06Q20/40975—Device specific authentication in transaction processing using mutual authentication between devices and transaction partners using encryption therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/007—Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2103—Challenge-response

Abstract

An improved security system, including a portable smart card and a host computer, eliminates the need for the computer to store individual personal identification (ID) numbers for each user seeking access to the computer. Instead, the computer stores a first encryption algorithm E1 used in converting a particular identification number (ID)n into a secret code Sn for that particular user. Sn also exists within the memory of the smart card having been loaded into its memory atthe time of issue. A challenge number C is generated by the computer and transmitted to the smart card. Within the smart card and the computer, microprocessors respond to the challenge number C, the secret code Sn, and a second encryption algorithm E2 in order to generate response numbers Rn and R'n respectively. Thereafter, Rn is transmitted to the computer where it is comparedwith R'n. A favorable comparison is necessary for gaining access to the computer.
CA002023872A 1989-11-09 1990-08-23 Databaseless security system Expired - Fee Related CA2023872C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US433,821 1982-10-12
US07/433,821 US5120939A (en) 1989-11-09 1989-11-09 Databaseless security system

Publications (2)

Publication Number Publication Date
CA2023872A1 true CA2023872A1 (en) 1991-05-10
CA2023872C CA2023872C (en) 1995-04-04

Family

ID=23721656

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002023872A Expired - Fee Related CA2023872C (en) 1989-11-09 1990-08-23 Databaseless security system

Country Status (5)

Country Link
US (1) US5120939A (en)
EP (1) EP0427465B1 (en)
JP (1) JPH0652518B2 (en)
CA (1) CA2023872C (en)
DE (1) DE69016589T2 (en)

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Also Published As

Publication number Publication date
DE69016589D1 (en) 1995-03-16
CA2023872C (en) 1995-04-04
JPH03158955A (en) 1991-07-08
US5120939A (en) 1992-06-09
EP0427465A3 (en) 1991-07-24
DE69016589T2 (en) 1995-09-07
EP0427465B1 (en) 1995-02-01
JPH0652518B2 (en) 1994-07-06
EP0427465A2 (en) 1991-05-15

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