DE69022610T2 - Verfahren zum Chiffrieren von übertragenen Daten, das einen Einheitsschlüssel anwendet. - Google Patents
Verfahren zum Chiffrieren von übertragenen Daten, das einen Einheitsschlüssel anwendet.Info
- Publication number
- DE69022610T2 DE69022610T2 DE69022610T DE69022610T DE69022610T2 DE 69022610 T2 DE69022610 T2 DE 69022610T2 DE 69022610 T DE69022610 T DE 69022610T DE 69022610 T DE69022610 T DE 69022610T DE 69022610 T2 DE69022610 T2 DE 69022610T2
- Authority
- DE
- Germany
- Prior art keywords
- transmitted data
- unit key
- encrypting transmitted
- encrypting
- key
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
-
- 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
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
-
- 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
- G07F7/1016—Devices or methods for securing the PIN and other transaction-data, e.g. by encryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
-
- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
-
- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/323,485 US4933971A (en) | 1989-03-14 | 1989-03-14 | Method for encrypting transmitted data using a unique key |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69022610D1 DE69022610D1 (de) | 1995-11-02 |
DE69022610T2 true DE69022610T2 (de) | 1996-05-02 |
Family
ID=23259404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69022610T Expired - Fee Related DE69022610T2 (de) | 1989-03-14 | 1990-02-27 | Verfahren zum Chiffrieren von übertragenen Daten, das einen Einheitsschlüssel anwendet. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4933971A (de) |
EP (1) | EP0387599B1 (de) |
JP (1) | JPH0334641A (de) |
AU (1) | AU617598B2 (de) |
CA (1) | CA2010450C (de) |
DE (1) | DE69022610T2 (de) |
Families Citing this family (102)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5572572A (en) | 1988-05-05 | 1996-11-05 | Transaction Technology, Inc. | Computer and telephone apparatus with user friendly interface and enhanced integrity features |
US5485370A (en) | 1988-05-05 | 1996-01-16 | Transaction Technology, Inc. | Home services delivery system with intelligent terminal emulator |
CA2011396C (en) * | 1989-03-03 | 1995-01-03 | Kazue Tanaka | Cipher-key distribution system |
CA2053261A1 (en) * | 1989-04-28 | 1990-10-29 | Gary D. Hornbuckle | Method and apparatus for remotely controlling and monitoring the use of computer software |
KR920701894A (ko) * | 1989-04-28 | 1992-08-12 | 브루스 마르쿠스 | 컴퓨터 소프트웨어의 원격 제어 장치 및 그 보호 방법 |
US5870724A (en) | 1989-12-08 | 1999-02-09 | Online Resources & Communications Corporation | Targeting advertising in a home retail banking delivery service |
JP3114991B2 (ja) * | 1990-11-30 | 2000-12-04 | 株式会社東芝 | データ通信システム |
US5146498A (en) * | 1991-01-10 | 1992-09-08 | Motorola, Inc. | Remote key manipulations for over-the-air re-keying |
JP3310989B2 (ja) * | 1991-02-08 | 2002-08-05 | 株式会社東芝 | データ通信方式 |
JP2901767B2 (ja) * | 1991-02-08 | 1999-06-07 | 株式会社東芝 | 暗号通信システム及び携帯可能電子装置 |
US5228084A (en) * | 1991-02-28 | 1993-07-13 | Gilbarco, Inc. | Security apparatus and system for retail environments |
JP2881628B2 (ja) * | 1991-05-27 | 1999-04-12 | 富士通株式会社 | 排他制御システムおよび端末装置 |
NL9101796A (nl) * | 1991-10-25 | 1993-05-17 | Nederland Ptt | Werkwijze voor het authenticeren van communicatiedeelnemers, systeem voor toepassing van de werkwijze en eerste communicatiedeelnemer en tweede communicatiedeelnemer voor toepassing in het systeem. |
US5557518A (en) | 1994-04-28 | 1996-09-17 | Citibank, N.A. | Trusted agents for open electronic commerce |
US5453601A (en) | 1991-11-15 | 1995-09-26 | Citibank, N.A. | Electronic-monetary system |
US7028187B1 (en) | 1991-11-15 | 2006-04-11 | Citibank, N.A. | Electronic transaction apparatus for electronic commerce |
US5272752A (en) * | 1992-03-16 | 1993-12-21 | Scientific-Atlanta, Inc. | Authorization code lockout mechanism for preventing unauthorized reception of transmitted data |
FR2693334B1 (fr) * | 1992-07-01 | 1994-09-23 | Trt Telecom Radio Electr | Procédé de communication protégée entre trois protagonistes, et dispositifs impliqués par sa mise en Óoeuvre. |
US5297208A (en) * | 1992-08-05 | 1994-03-22 | Roger Schlafly | Secure file transfer system and method |
AUPM350794A0 (en) * | 1994-01-25 | 1994-02-17 | Dynamic Data Systems Pty Ltd | Funds transaction device |
US6088797A (en) * | 1994-04-28 | 2000-07-11 | Rosen; Sholom S. | Tamper-proof electronic processing device |
US5799087A (en) | 1994-04-28 | 1998-08-25 | Citibank, N.A. | Electronic-monetary system |
US5619572A (en) * | 1994-06-16 | 1997-04-08 | Motorola, Inc. | Method and apparatus for providing secure communications for a requested call |
US5517567A (en) * | 1994-08-23 | 1996-05-14 | Daq Electronics Inc. | Key distribution system |
US5864683A (en) * | 1994-10-12 | 1999-01-26 | Secure Computing Corporartion | System for providing secure internetwork by connecting type enforcing secure computers to external network for limiting access to data based on user and process access rights |
US5636280A (en) * | 1994-10-31 | 1997-06-03 | Kelly; Tadhg | Dual key reflexive encryption security system |
US6044154A (en) * | 1994-10-31 | 2000-03-28 | Communications Devices, Inc. | Remote generated, device identifier key for use with a dual-key reflexive encryption security system |
US5644710A (en) * | 1995-02-13 | 1997-07-01 | Eta Technologies Corporation | Personal access management system |
US5710889A (en) * | 1995-02-22 | 1998-01-20 | Citibank, N.A. | Interface device for electronically integrating global financial services |
US5548649A (en) * | 1995-03-28 | 1996-08-20 | Iowa State University Research Foundation | Network security bridge and associated method |
US5757924A (en) * | 1995-09-18 | 1998-05-26 | Digital Secured Networks Techolognies, Inc. | Network security device which performs MAC address translation without affecting the IP address |
GB2306860A (en) * | 1995-10-24 | 1997-05-07 | Motorola Inc | Encryption/decryption system encrypts data using encrypted key |
US5796832A (en) | 1995-11-13 | 1998-08-18 | Transaction Technology, Inc. | Wireless transaction and information system |
US5870473A (en) * | 1995-12-14 | 1999-02-09 | Cybercash, Inc. | Electronic transfer system and method |
US5745576A (en) * | 1996-05-17 | 1998-04-28 | Visa International Service Association | Method and apparatus for initialization of cryptographic terminal |
US6240513B1 (en) | 1997-01-03 | 2001-05-29 | Fortress Technologies, Inc. | Network security device |
DE69823334T2 (de) * | 1997-02-07 | 2005-05-04 | Salbu Research And Development (Proprietary) Ltd. | Gesichertes paketfunknetzwerk |
JPH10229392A (ja) * | 1997-02-13 | 1998-08-25 | Rohm Co Ltd | 認証システムおよび認証方法 |
US6041411A (en) * | 1997-03-28 | 2000-03-21 | Wyatt; Stuart Alan | Method for defining and verifying user access rights to a computer information |
US6282522B1 (en) | 1997-04-30 | 2001-08-28 | Visa International Service Association | Internet payment system using smart card |
US6128387A (en) * | 1997-05-19 | 2000-10-03 | Industrial Technology Research Institute | Method and system for using a non-inversible transform and dynamic keys to protect firmware |
US6105008A (en) * | 1997-10-16 | 2000-08-15 | Visa International Service Association | Internet loading system using smart card |
US6021391A (en) * | 1998-03-03 | 2000-02-01 | Winbond Electronics Corp. | Method and system for dynamic data encryption |
US6848050B1 (en) | 1998-04-16 | 2005-01-25 | Citicorp Development Center, Inc. | System and method for alternative encryption techniques |
US6490353B1 (en) | 1998-11-23 | 2002-12-03 | Tan Daniel Tiong Hok | Data encrypting and decrypting apparatus and method |
US6397307B2 (en) | 1999-02-23 | 2002-05-28 | Legato Systems, Inc. | Method and system for mirroring and archiving mass storage |
US6668246B1 (en) * | 1999-03-24 | 2003-12-23 | Intel Corporation | Multimedia data delivery and playback system with multi-level content and privacy protection |
US6829708B1 (en) | 1999-03-27 | 2004-12-07 | Microsoft Corporation | Specifying security for an element by assigning a scaled value representative of the relative security thereof |
US7319759B1 (en) | 1999-03-27 | 2008-01-15 | Microsoft Corporation | Producing a new black box for a digital rights management (DRM) system |
US20020019814A1 (en) | 2001-03-01 | 2002-02-14 | Krishnamurthy Ganesan | Specifying rights in a digital rights license according to events |
US6985583B1 (en) * | 1999-05-04 | 2006-01-10 | Rsa Security Inc. | System and method for authentication seed distribution |
US7908216B1 (en) | 1999-07-22 | 2011-03-15 | Visa International Service Association | Internet payment, authentication and loading system using virtual smart card |
US7729986B1 (en) | 1999-07-30 | 2010-06-01 | Visa International Service Association | Smart card transactions using wireless telecommunications network |
US7669233B2 (en) * | 1999-09-10 | 2010-02-23 | Metavante Corporation | Methods and systems for secure transmission of identification information over public networks |
FR2799078A1 (fr) * | 1999-09-27 | 2001-03-30 | Jacky Montiel | Ensemble de protocoles permettant l'authentification rapide pour des systemes transactionnels de commerce d'informations et de services sur internet |
US6442696B1 (en) * | 1999-10-05 | 2002-08-27 | Authoriszor, Inc. | System and method for extensible positive client identification |
GB2355819A (en) * | 1999-10-26 | 2001-05-02 | Marconi Comm Ltd | Authentication of data and software |
WO2001052471A1 (en) * | 2000-01-14 | 2001-07-19 | Microsoft Corporation | Producing a new black box for a digital rights management (drm) system |
AU2000269232A1 (en) | 2000-01-14 | 2001-07-24 | Microsoft Corporation | Specifying security for an element by assigning a scaled value representative ofthe relative security thereof |
US7353209B1 (en) | 2000-01-14 | 2008-04-01 | Microsoft Corporation | Releasing decrypted digital content to an authenticated path |
US20020095344A1 (en) * | 2001-01-12 | 2002-07-18 | Mares John F. | Accounting and business transaction method and system |
US7415609B1 (en) * | 2001-04-23 | 2008-08-19 | Diebold, Incorporated | Automated banking machine system and method |
US7110986B1 (en) * | 2001-04-23 | 2006-09-19 | Diebold, Incorporated | Automated banking machine system and method |
US7159114B1 (en) * | 2001-04-23 | 2007-01-02 | Diebold, Incorporated | System and method of securely installing a terminal master key on an automated banking machine |
US7280658B2 (en) * | 2001-06-01 | 2007-10-09 | International Business Machines Corporation | Systems, methods, and computer program products for accelerated dynamic protection of data |
US6948073B2 (en) | 2001-06-27 | 2005-09-20 | Microsoft Corporation | Protecting decrypted compressed content and decrypted decompressed content at a digital rights management client |
US7239708B2 (en) | 2001-06-27 | 2007-07-03 | Microsoft Corporation | Protecting decrypted compressed content and decrypted decompressed content at a digital rights management client |
US20030118188A1 (en) * | 2001-12-26 | 2003-06-26 | Collier David C. | Apparatus and method for accessing material using an entity locked secure registry |
JP2004186814A (ja) * | 2002-11-29 | 2004-07-02 | Fujitsu Ltd | 共通鍵暗号化通信システム |
US7370212B2 (en) | 2003-02-25 | 2008-05-06 | Microsoft Corporation | Issuing a publisher use license off-line in a digital rights management (DRM) system |
US7506161B2 (en) * | 2003-09-02 | 2009-03-17 | Authernative, Inc. | Communication session encryption and authentication system |
US20060242406A1 (en) | 2005-04-22 | 2006-10-26 | Microsoft Corporation | Protected computing environment |
US7805611B1 (en) * | 2004-12-03 | 2010-09-28 | Oracle America, Inc. | Method for secure communication from chip card and system for performing the same |
US8370638B2 (en) * | 2005-02-18 | 2013-02-05 | Emc Corporation | Derivative seeds |
US8725646B2 (en) | 2005-04-15 | 2014-05-13 | Microsoft Corporation | Output protection levels |
US9363481B2 (en) | 2005-04-22 | 2016-06-07 | Microsoft Technology Licensing, Llc | Protected media pipeline |
US20060265758A1 (en) | 2005-05-20 | 2006-11-23 | Microsoft Corporation | Extensible media rights |
US7627125B2 (en) * | 2005-06-23 | 2009-12-01 | Efunds Corporation | Key loading systems and methods |
US7894606B2 (en) * | 2005-11-28 | 2011-02-22 | Panasonic Electric Works Co., Ltd. | Systems and methods for facilitating secure key distribution to an embedded device |
US8108692B1 (en) | 2006-06-27 | 2012-01-31 | Siliconsystems, Inc. | Solid-state storage subsystem security solution |
US7765373B1 (en) * | 2006-06-27 | 2010-07-27 | Siliconsystems, Inc. | System for controlling use of a solid-state storage subsystem |
US10091648B2 (en) * | 2007-04-26 | 2018-10-02 | Qualcomm Incorporated | Method and apparatus for new key derivation upon handoff in wireless networks |
AU2008286813B2 (en) * | 2007-08-14 | 2014-08-28 | Triton Systems Of Delaware, Llc. | Method and system for secure remote transfer of master key for automated teller banking machine |
US8565436B2 (en) * | 2008-12-15 | 2013-10-22 | Ebay Inc. | Secure self managed data (SSMD) |
US8356184B1 (en) | 2009-06-25 | 2013-01-15 | Western Digital Technologies, Inc. | Data storage device comprising a secure processor for maintaining plaintext access to an LBA table |
DE102010034976A1 (de) * | 2010-08-20 | 2012-02-23 | Hella Kgaa Hueck & Co. | Anordnung zur Berechtigungskontrolle, insbesondere für Kraftfahrzeuge |
GB201105765D0 (en) | 2011-04-05 | 2011-05-18 | Visa Europe Ltd | Payment system |
KR101340770B1 (ko) * | 2011-04-18 | 2013-12-11 | 주식회사 팬택 | 전자 기기, 전자 기기의 사용자 입력 데이터의 보안 방법 및 장치 |
CN102170355A (zh) * | 2011-04-27 | 2011-08-31 | 北京深思洛克软件技术股份有限公司 | 信息安全设备中远程升级密钥管理方法 |
US9305142B1 (en) | 2011-12-19 | 2016-04-05 | Western Digital Technologies, Inc. | Buffer memory protection unit |
RU2019111186A (ru) | 2013-12-19 | 2019-05-07 | Виза Интернэшнл Сервис Ассосиэйшн | Способы и системы облачных транзакций |
US9922322B2 (en) | 2013-12-19 | 2018-03-20 | Visa International Service Association | Cloud-based transactions with magnetic secure transmission |
EP3146747B1 (de) | 2014-05-21 | 2020-07-01 | Visa International Service Association | Offline-authentifizierung |
WO2016018298A1 (en) * | 2014-07-30 | 2016-02-04 | Hewlett-Packard Development Company, L.P. | Key search token for encrypted data |
US9775029B2 (en) | 2014-08-22 | 2017-09-26 | Visa International Service Association | Embedding cloud-based functionalities in a communication device |
CN116471105A (zh) | 2016-07-11 | 2023-07-21 | 维萨国际服务协会 | 使用访问装置的加密密钥交换过程 |
AU2017304128B2 (en) * | 2016-07-25 | 2022-03-10 | Apple Inc. | System for and method of authenticating a component of an electronic device |
US11481837B1 (en) | 2018-04-12 | 2022-10-25 | Wells Fargo Bank, N.A. | Authentication circle management |
US11386412B1 (en) | 2018-04-12 | 2022-07-12 | Wells Fargo Bank, N.A. | Authentication circle management |
US10943308B1 (en) | 2018-05-03 | 2021-03-09 | Wells Fargo Bank, N.A. | Systems and methods for pervasive advisor for major expenditures |
DE102018005861A1 (de) * | 2018-07-25 | 2020-03-12 | Giesecke+Devrient Mobile Security Gmbh | Verfahren zum Anonymisieren einer PAN eines Karteninhabers |
US11569979B2 (en) | 2019-06-05 | 2023-01-31 | Sameer KHANNA | Cryptographic systems with variable layout cryptography |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4182933A (en) * | 1969-02-14 | 1980-01-08 | The United States Of America As Represented By The Secretary Of The Army | Secure communication system with remote key setting |
US4386234A (en) * | 1977-12-05 | 1983-05-31 | International Business Machines Corp. | Cryptographic communication and file security using terminals |
US4193131A (en) * | 1977-12-05 | 1980-03-11 | International Business Machines Corporation | Cryptographic verification of operational keys used in communication networks |
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 |
US4203166A (en) * | 1977-12-05 | 1980-05-13 | International Business Machines Corporation | Cryptographic file 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 |
US4218738A (en) * | 1978-05-05 | 1980-08-19 | International Business Machines Corporation | Method for authenticating the identity of a user of an information system |
US4365110A (en) * | 1979-06-05 | 1982-12-21 | Communications Satellite Corporation | Multiple-destinational cryptosystem for broadcast networks |
US4369332A (en) * | 1979-09-26 | 1983-01-18 | Burroughs Corporation | Key variable generator for an encryption/decryption device |
US4317957A (en) * | 1980-03-10 | 1982-03-02 | Marvin Sendrow | System for authenticating users and devices in on-line transaction networks |
US4423287A (en) * | 1981-06-26 | 1983-12-27 | Visa U.S.A., Inc. | End-to-end encryption system and method of operation |
US4578530A (en) * | 1981-06-26 | 1986-03-25 | Visa U.S.A., Inc. | End-to-end encryption system and method of operation |
US4488001A (en) * | 1981-12-17 | 1984-12-11 | Ncr Corporation | Intellectual properties protection device |
US4605820A (en) * | 1983-11-10 | 1986-08-12 | Visa U.S.A. Inc. | Key management system for on-line communication |
US4885778A (en) * | 1984-11-30 | 1989-12-05 | Weiss Kenneth P | Method and apparatus for synchronizing generation of separate, free running, time dependent equipment |
FR2600189B1 (fr) * | 1986-06-16 | 1991-02-01 | Bull Cp8 | Procede pour faire authentifier par un milieu exterieur un objet portatif tel qu'une carte a memoire accouplee a ce milieu |
FR2601795B1 (fr) * | 1986-07-17 | 1988-10-07 | Bull Cp8 | Procede pour diversifier une cle de base et pour authentifier une cle ainsi diversifiee comme ayant ete elaboree a partir d'une cle de base predeterminee, et systeme pour la mise en oeuvre |
SE452082B (sv) * | 1986-12-15 | 1987-11-09 | Inter Innovation Ab | Manoverenhet for datakommunikation |
FR2612315A1 (fr) * | 1987-03-13 | 1988-09-16 | Trt Telecom Radio Electr | Procede pour simultanement lire a distance et certifier une information presente dans une memoire d'un support electronique |
US4850017A (en) * | 1987-05-29 | 1989-07-18 | International Business Machines Corp. | Controlled use of cryptographic keys via generating station established control values |
JP2698588B2 (ja) * | 1987-11-13 | 1998-01-19 | 株式会社東芝 | 携帯可能電子装置 |
-
1989
- 1989-03-14 US US07/323,485 patent/US4933971A/en not_active Expired - Lifetime
-
1990
- 1990-02-20 CA CA002010450A patent/CA2010450C/en not_active Expired - Fee Related
- 1990-02-27 DE DE69022610T patent/DE69022610T2/de not_active Expired - Fee Related
- 1990-02-27 EP EP90103806A patent/EP0387599B1/de not_active Expired - Lifetime
- 1990-03-09 JP JP9059771A patent/JPH0334641A/ja active Pending
- 1990-03-12 AU AU51249/90A patent/AU617598B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU617598B2 (en) | 1991-11-28 |
DE69022610D1 (de) | 1995-11-02 |
CA2010450C (en) | 1998-08-18 |
AU5124990A (en) | 1990-09-20 |
US4933971A (en) | 1990-06-12 |
CA2010450A1 (en) | 1990-09-14 |
EP0387599A2 (de) | 1990-09-19 |
JPH0334641A (ja) | 1991-02-14 |
EP0387599A3 (en) | 1993-12-22 |
EP0387599B1 (de) | 1995-09-27 |
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