JP3091462B2 - 情報識別装置 - Google Patents

情報識別装置

Info

Publication number
JP3091462B2
JP3091462B2 JP63506531A JP50653188A JP3091462B2 JP 3091462 B2 JP3091462 B2 JP 3091462B2 JP 63506531 A JP63506531 A JP 63506531A JP 50653188 A JP50653188 A JP 50653188A JP 3091462 B2 JP3091462 B2 JP 3091462B2
Authority
JP
Japan
Prior art keywords
information
encryption
decryption
branch
data
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 - Lifetime
Application number
JP63506531A
Other languages
English (en)
Japanese (ja)
Other versions
JPH02504560A (ja
Inventor
エルスナー・ペーター
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPH02504560A publication Critical patent/JPH02504560A/ja
Application granted granted Critical
Publication of JP3091462B2 publication Critical patent/JP3091462B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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 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
    • G06Q20/341—Active cards, i.e. cards including their own processing means, e.g. including an IC or chip
    • 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
    • G06Q20/357—Cards having a plurality of specified features
    • G06Q20/3576—Multiple memory zones on card
    • G06Q20/35765—Access rights to memory zones
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C8/00—Arrangements for selecting an address in a digital store
    • 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)
    • H04L9/083—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) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
    • H04L9/0833—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) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key
    • H04L9/0836—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) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key using tree structure or hierarchical structure
    • 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
    • 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
    • H04L2209/60—Digital content management, e.g. content distribution

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Accounting & Taxation (AREA)
  • General Business, Economics & Management (AREA)
  • Strategic Management (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Information Transfer Between Computers (AREA)
  • Image Processing (AREA)
JP63506531A 1987-08-13 1988-08-11 情報識別装置 Expired - Lifetime JP3091462B2 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3726901.1 1987-08-13
DE3726901 1987-08-13
DE3827172.9 1988-08-10
DE3827172A DE3827172A1 (de) 1987-08-13 1988-08-10 Einrichtung zur identifizierung von nachrichten

Publications (2)

Publication Number Publication Date
JPH02504560A JPH02504560A (ja) 1990-12-20
JP3091462B2 true JP3091462B2 (ja) 2000-09-25

Family

ID=25858569

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63506531A Expired - Lifetime JP3091462B2 (ja) 1987-08-13 1988-08-11 情報識別装置

Country Status (6)

Country Link
US (1) US5150409A (enExample)
EP (1) EP0373175B1 (enExample)
JP (1) JP3091462B2 (enExample)
AT (1) ATE113738T1 (enExample)
DE (1) DE3827172A1 (enExample)
WO (1) WO1989001690A2 (enExample)

Families Citing this family (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4114777A1 (de) * 1990-05-22 1992-02-06 Peter Elsner Verfahren und einrichtung zur nachrichtenumschluesselung
US5224162A (en) * 1991-06-14 1993-06-29 Nippon Telegraph And Telephone Corporation Electronic cash system
US5721788A (en) 1992-07-31 1998-02-24 Corbis Corporation Method and system for digital image signatures
US6516079B1 (en) 2000-02-14 2003-02-04 Digimarc Corporation Digital watermark screening and detecting strategies
US5841978A (en) 1993-11-18 1998-11-24 Digimarc Corporation Network linking method using steganographically embedded data objects
US6449377B1 (en) 1995-05-08 2002-09-10 Digimarc Corporation Methods and systems for watermark processing of line art images
US6983051B1 (en) 1993-11-18 2006-01-03 Digimarc Corporation Methods for audio watermarking and decoding
US5710834A (en) * 1995-05-08 1998-01-20 Digimarc Corporation Method and apparatus responsive to a code signal conveyed through a graphic image
US5822436A (en) 1996-04-25 1998-10-13 Digimarc Corporation Photographic products and methods employing embedded information
US6122403A (en) 1995-07-27 2000-09-19 Digimarc Corporation Computer system linked by using information in data objects
US5748783A (en) * 1995-05-08 1998-05-05 Digimarc Corporation Method and apparatus for robust information coding
US6408082B1 (en) 1996-04-25 2002-06-18 Digimarc Corporation Watermark detection using a fourier mellin transform
US5636292C1 (en) * 1995-05-08 2002-06-18 Digimarc Corp Steganography methods employing embedded calibration data
US5841886A (en) 1993-11-18 1998-11-24 Digimarc Corporation Security system for photographic identification
US6424725B1 (en) 1996-05-16 2002-07-23 Digimarc Corporation Determining transformations of media signals with embedded code signals
US5862260A (en) 1993-11-18 1999-01-19 Digimarc Corporation Methods for surveying dissemination of proprietary empirical data
US5748763A (en) 1993-11-18 1998-05-05 Digimarc Corporation Image steganography system featuring perceptually adaptive and globally scalable signal embedding
ATE287176T1 (de) 1993-11-18 2005-01-15 Digimarc Corp Video mit versteckten in-band digitalen daten
US7044395B1 (en) 1993-11-18 2006-05-16 Digimarc Corporation Embedding and reading imperceptible codes on objects
US5768426A (en) 1993-11-18 1998-06-16 Digimarc Corporation Graphics processing system employing embedded code signals
US6611607B1 (en) 1993-11-18 2003-08-26 Digimarc Corporation Integrating digital watermarks in multimedia content
US6580819B1 (en) 1993-11-18 2003-06-17 Digimarc Corporation Methods of producing security documents having digitally encoded data and documents employing same
USRE40919E1 (en) * 1993-11-18 2009-09-22 Digimarc Corporation Methods for surveying dissemination of proprietary empirical data
US7171016B1 (en) 1993-11-18 2007-01-30 Digimarc Corporation Method for monitoring internet dissemination of image, video and/or audio files
US6614914B1 (en) 1995-05-08 2003-09-02 Digimarc Corporation Watermark embedder and reader
US5832119C1 (en) 1993-11-18 2002-03-05 Digimarc Corp Methods for controlling systems using control signals embedded in empirical data
US5526428A (en) * 1993-12-29 1996-06-11 International Business Machines Corporation Access control apparatus and method
DE4402430A1 (de) * 1994-01-27 1995-08-10 Sc Info & Inno Technologie Inf Authentisierer
EP0706697B1 (en) * 1994-01-27 1997-04-23 SC-Info+Inno Technologie Informationen + Innovationen GmbH + Co. Authentifying method
US7039214B2 (en) 1999-11-05 2006-05-02 Digimarc Corporation Embedding watermark components during separate printing stages
US6968057B2 (en) 1994-03-17 2005-11-22 Digimarc Corporation Emulsion products and imagery employing steganography
US6522770B1 (en) 1999-05-19 2003-02-18 Digimarc Corporation Management of documents and other objects using optical devices
US6869023B2 (en) 2002-02-12 2005-03-22 Digimarc Corporation Linking documents through digital watermarking
US6560349B1 (en) 1994-10-21 2003-05-06 Digimarc Corporation Audio monitoring using steganographic information
DE19511298B4 (de) * 1995-03-28 2005-08-18 Deutsche Telekom Ag Verfahren zur Erteilung und zum Entzug der Berechtigung zum Empfang von Rundfunksendungen und Decoder
US6744906B2 (en) 1995-05-08 2004-06-01 Digimarc Corporation Methods and systems using multiple watermarks
US7486799B2 (en) 1995-05-08 2009-02-03 Digimarc Corporation Methods for monitoring audio and images on the internet
US6760463B2 (en) 1995-05-08 2004-07-06 Digimarc Corporation Watermarking methods and media
US6721440B2 (en) 1995-05-08 2004-04-13 Digimarc Corporation Low visibility watermarks using an out-of-phase color
US7006661B2 (en) 1995-07-27 2006-02-28 Digimarc Corp Digital watermarking systems and methods
US6577746B1 (en) 1999-12-28 2003-06-10 Digimarc Corporation Watermark-based object linking and embedding
US6829368B2 (en) 2000-01-26 2004-12-07 Digimarc Corporation Establishing and interacting with on-line media collections using identifiers in media signals
US6411725B1 (en) 1995-07-27 2002-06-25 Digimarc Corporation Watermark enabled video objects
US6965682B1 (en) 1999-05-19 2005-11-15 Digimarc Corp Data transmission by watermark proxy
US6788800B1 (en) 2000-07-25 2004-09-07 Digimarc Corporation Authenticating objects using embedded data
US6408331B1 (en) 1995-07-27 2002-06-18 Digimarc Corporation Computer linking methods using encoded graphics
US6381341B1 (en) 1996-05-16 2002-04-30 Digimarc Corporation Watermark encoding method exploiting biases inherent in original signal
NL1003802C1 (nl) 1996-07-24 1998-01-28 Chiptec International Ltd Identiteitsbewijs en identificatiesysteem bestemd voor toepassing daarmee.
DE19649292A1 (de) * 1996-11-28 1998-06-04 Deutsche Telekom Ag Verfahren zum Sichern eines durch eine Schlüsselhierarchie geschützten Systems
US6804376B2 (en) 1998-01-20 2004-10-12 Digimarc Corporation Equipment employing watermark-based authentication function
US6073106A (en) * 1998-10-30 2000-06-06 Nehdc, Inc. Method of managing and controlling access to personal information
US20040034686A1 (en) * 2000-02-22 2004-02-19 David Guthrie System and method for delivering targeted data to a subscriber base via a computer network
WO2000068814A1 (en) * 1999-05-06 2000-11-16 General Dynamics Information Systems, Inc. Transient network architecture
AU767866B2 (en) * 1999-10-07 2003-11-27 Deutsche Post Ag Security module and method for production of forge-proof documents
US7877492B2 (en) * 1999-10-12 2011-01-25 Webmd Corporation System and method for delegating a user authentication process for a networked application to an authentication agent
US7519905B2 (en) * 1999-10-12 2009-04-14 Webmd Corp. Automatic formatting and validating of text for a markup language graphical user interface
US7305475B2 (en) 1999-10-12 2007-12-04 Webmd Health System and method for enabling a client application to operate offline from a server
US20040034833A1 (en) * 1999-11-12 2004-02-19 Panagiotis Kougiouris Dynamic interaction manager for markup language graphical user interface
US20050028171A1 (en) * 1999-11-12 2005-02-03 Panagiotis Kougiouris System and method enabling multiple processes to efficiently log events
US20020007284A1 (en) * 1999-12-01 2002-01-17 Schurenberg Kurt B. System and method for implementing a global master patient index
US6625297B1 (en) 2000-02-10 2003-09-23 Digimarc Corporation Self-orienting watermarks
US8712792B2 (en) * 2000-02-24 2014-04-29 Webmd, Llc Personalized health communication system
US8612245B2 (en) * 2000-02-24 2013-12-17 Webmd Llc Personalized health history system with accommodation for consumer health terminology
US8775197B2 (en) * 2000-02-24 2014-07-08 Webmd, Llc Personalized health history system with accommodation for consumer health terminology
US6804377B2 (en) 2000-04-19 2004-10-12 Digimarc Corporation Detecting information hidden out-of-phase in color channels
US7027614B2 (en) 2000-04-19 2006-04-11 Digimarc Corporation Hiding information to reduce or offset perceptible artifacts
EP1416662B1 (en) * 2000-06-21 2008-12-03 Sony Corporation Apparatus and method for key renewal in a hierarchical key tree structure
US7063264B2 (en) 2001-12-24 2006-06-20 Digimarc Corporation Covert variable information on identification documents and methods of making same
US6817530B2 (en) 2001-12-18 2004-11-16 Digimarc Id Systems Multiple image security features for identification documents and methods of making same
US7694887B2 (en) 2001-12-24 2010-04-13 L-1 Secure Credentialing, Inc. Optically variable personalized indicia for identification documents
US7793846B2 (en) 2001-12-24 2010-09-14 L-1 Secure Credentialing, Inc. Systems, compositions, and methods for full color laser engraving of ID documents
US7728048B2 (en) 2002-12-20 2010-06-01 L-1 Secure Credentialing, Inc. Increasing thermal conductivity of host polymer used with laser engraving methods and compositions
US7824029B2 (en) 2002-05-10 2010-11-02 L-1 Secure Credentialing, Inc. Identification card printer-assembler for over the counter card issuing
AU2003298731A1 (en) 2002-11-26 2004-06-18 Digimarc Id Systems Systems and methods for managing and detecting fraud in image databases used with identification documents
US7712673B2 (en) 2002-12-18 2010-05-11 L-L Secure Credentialing, Inc. Identification document with three dimensional image of bearer
DE602004030434D1 (de) 2003-04-16 2011-01-20 L 1 Secure Credentialing Inc Dreidimensionale datenspeicherung
US7698557B2 (en) * 2003-12-22 2010-04-13 Guardtime As System and method for generating a digital certificate
US7744002B2 (en) 2004-03-11 2010-06-29 L-1 Secure Credentialing, Inc. Tamper evident adhesive and identification document including same
US8296162B1 (en) 2005-02-01 2012-10-23 Webmd Llc. Systems, devices, and methods for providing healthcare information
US7599828B2 (en) * 2005-03-01 2009-10-06 Microsoft Corporation Grammatically correct contraction spelling suggestions for french
US8380530B2 (en) 2007-02-02 2013-02-19 Webmd Llc. Personalized health records with associative relationships
US8239850B2 (en) * 2007-12-14 2012-08-07 GM Global Technology Operations LLC Computer-implemented method of releasing battery state estimation software

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH546446A (de) * 1972-04-11 1974-02-28 Gretag Ag Einrichtung zum individuellen identifizieren einer mehrzahl von individuen.
DE2224937C2 (de) * 1972-05-23 1983-04-14 Gretag AG, 8105 Regensdorf, Zürich Einrichtung zur Prüfung der Gültigkeit von einer Mehrzahl von Benutzern der Einrichtung zugeordneten Datenträgern
US3971916A (en) * 1974-03-25 1976-07-27 Societe Internationale Methods of data storage and data storage systems
DE2657182A1 (de) * 1976-12-17 1978-06-22 Felde Juergen Zum Vorrichtung zur identifizierung einer information
DE3064903D1 (en) * 1979-06-08 1983-10-27 Gretag Ag Apparatus for enciphered transmission of messages
FR2460526A1 (fr) * 1979-06-29 1981-01-23 Ibm France Procede de mesure du temps d'acces d'adresse de memoires mettant en oeuvre la technique de recirculation des donnees, et testeur en resultant
DE2943726C2 (de) * 1979-10-30 1984-06-07 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren und Einrichtung zur Ver- und Entschlüsselung von Daten
DE3009317C2 (de) * 1980-03-11 1981-11-26 SIEMENS AG AAAAA, 1000 Berlin und 8000 München Hybrid-Assoziativspeicher
DE3129911C2 (de) * 1981-07-29 1987-03-05 Siemens AG, 1000 Berlin und 8000 München Pseudozufallsgenerator
DE3311665A1 (de) * 1983-03-30 1984-10-11 Siemens AG, 1000 Berlin und 8000 München Hybrid-assoziativspeicher, bestehend aus einem nicht assoziativen basisspeicher und einer assoziativen oberflaeche
DE3340582A1 (de) * 1983-11-10 1985-05-23 ANT Nachrichtentechnik GmbH, 7150 Backnang Elektronischer schluesselspeichermodul
US4677284A (en) * 1985-08-22 1987-06-30 Genest Leonard Joseph Multi-access security system
DE3534026A1 (de) * 1985-09-24 1987-03-26 Siemens Ag Verfahren zum aufsuchen von einem vorgegebenen suchargument entsprechenden in einem hybridassoziativspeicher enthaltenen datenfolgen
US4797672A (en) * 1986-09-04 1989-01-10 Octel Communications Corp. Voice network security system
DE3712089A1 (de) * 1987-04-09 1988-10-27 Jaspal Singh Anordnung zur identifizierung des papillarlinienmusters eines fingers

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
Ａｎｇｅｗａｎｄｔｅ Ｉｎｆｏｒｍａｔｉｋ Ｖｏｌ．１７ Ｎｏ．５ １９７５ ｐ２０１−２０５ Ａ．Ｅｃｋｅｒ「Ａｂｓｔｒａｋｔｅ ｋｒｙｐｔｏｇｒａｐｈｉｓｈｅ Ｍａｓｃｈｉｎｅｎ」
ＩＢＭ Ｊｏｕｒｎａｌ ｏｆ ｒｅｓｅａｒｃｈ ａｎｄ ｄｅｖｅｌｏｐｍｅｎｔ Ｖｏｌ．２６，Ｎｏ．４ Ｊｕｌｙ １９８２ ｐ５０６−５１
Ｊｏｕｎａｌ ｏｆ ｔｈｅ Ａｓｓｏｃｉａｔｉｏｎ ｆｏｒ Ｃｏｍｐｕｔｉｎｇ Ｍａｃｈｉｎｅｒｙ，Ｈｅｆｔ １９，Ｎｒ．３ Ｊｕｌｉ １９７２ Ｌ．Ｅ．Ｓｔａｎｆｅｌ： "Ｐｒａｃｔｉｃａｌ ａｓｐｅｃｔｓ ｏｆ ｄｏｕｂｌｙ ｃｈａｉｎｅｄ ｔｒｅｅｓ ｆｏｒ ｒｅｔｒｉｅｖａｌ"ｐ４２５−４３６
Ｐ．Ｋ．Ｆｒａｎａｓｚｅｋ「Ｃｏｎｓｔｒｕｃｔｉｏｎ ｏｆ Ｂｏｕｎｄｅｄ Ｄｅｌａｙ Ｃｏｄｅｓ ｆｏｒ Ｄｉｓｃｒｅｔｅ Ｎｏｉｓｅｌｅｓｓ Ｃｈａｎｎｅｌｓ」

Also Published As

Publication number Publication date
EP0373175A1 (de) 1990-06-20
DE3827172C2 (enExample) 1990-05-03
EP0373175B1 (de) 1994-11-02
ATE113738T1 (de) 1994-11-15
US5150409A (en) 1992-09-22
WO1989001690A3 (en) 1989-04-20
DE3827172A1 (de) 1989-03-16
WO1989001690A2 (fr) 1989-02-23
JPH02504560A (ja) 1990-12-20

Similar Documents

Publication Publication Date Title
JP3091462B2 (ja) 情報識別装置
CN1901067B (zh) 著作权保护系统、记录设备及解密设备
US5564106A (en) Method for providing blind access to an encryption key
US4588991A (en) File access security method and means
US7797541B2 (en) Method and apparatus for providing cellular telephone service using an authenticating cellular telephone device
US4864616A (en) Cryptographic labeling of electronically stored data
US8254570B2 (en) Method and system for encryption of data
EP1061515B1 (en) Memory card, memory card utilizing device, and corresponding method and program for converting management information which contains restrictive information using a different key in each management information send and receive session
US8296582B2 (en) Method and system for providing copy-protection on a storage medium and storage medium for use in such a system
CN113111364A (zh) 一种区块链数据隐私保护系统及其保护方法
US5473689A (en) Method for authentication between two electronic devices
CN107819583A (zh) 密钥的防滥用技术
JPS58118688A (ja) デ−タ変換方法
JPS6133194B2 (enExample)
US6993130B1 (en) Methods and apparatus for mediametric data cryptoprocessing
JP2005525731A (ja) 物理アクセス制御
CN107070896B (zh) 一种安全高效的区块链网络客户化登录方法及安全加固系统
JPH03162152A (ja) 携帯用暗号鍵記憶装置
JP2943861B2 (ja) 電子貨幣カードの発行照合方法およびその方式
JPH10187826A (ja) 偽造カード使用防止方法およびカード読取書込装置ならびに偽造カード使用防止システム
CN1398401A (zh) 具有控制读取之微处理器的计算机可读介质和与该介质通信的计算机
CN100557716C (zh) 半导体存储卡及其控制方法
GB2270446A (en) Establishing a common cryptographic key at two cryptographic sites
CN116305198A (zh) 安全验证元宇宙场景数据交互的方法、装置及存储介质
JPS59158640A (ja) 照合の鍵の生成方法および装置

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080721

Year of fee payment: 8

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090721

Year of fee payment: 9

EXPY Cancellation because of completion of term
FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090721

Year of fee payment: 9