DE3827172C2 - - Google Patents

Info

Publication number
DE3827172C2
DE3827172C2 DE3827172A DE3827172A DE3827172C2 DE 3827172 C2 DE3827172 C2 DE 3827172C2 DE 3827172 A DE3827172 A DE 3827172A DE 3827172 A DE3827172 A DE 3827172A DE 3827172 C2 DE3827172 C2 DE 3827172C2
Authority
DE
Germany
Prior art keywords
message
branches
messages
nodes
selection
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
DE3827172A
Other languages
German (de)
English (en)
Other versions
DE3827172A1 (de
Inventor
Peter 8000 Muenchen De Elsner
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
Priority to DE3827172A priority Critical patent/DE3827172A1/de
Application filed by Individual filed Critical Individual
Priority to AT88907281T priority patent/ATE113738T1/de
Priority to PCT/EP1988/000717 priority patent/WO1989001690A2/de
Priority to JP63506531A priority patent/JP3091462B2/ja
Priority to EP88907281A priority patent/EP0373175B1/de
Priority to US07/458,707 priority patent/US5150409A/en
Priority to DE19893904180 priority patent/DE3904180A1/de
Priority to PCT/EP1989/000132 priority patent/WO1990009647A1/de
Publication of DE3827172A1 publication Critical patent/DE3827172A1/de
Application granted granted Critical
Publication of DE3827172C2 publication Critical patent/DE3827172C2/de
Granted 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)
  • Image Processing (AREA)
  • Information Transfer Between Computers (AREA)
DE3827172A 1987-08-13 1988-08-10 Einrichtung zur identifizierung von nachrichten Granted DE3827172A1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE3827172A DE3827172A1 (de) 1987-08-13 1988-08-10 Einrichtung zur identifizierung von nachrichten
PCT/EP1988/000717 WO1989001690A2 (fr) 1987-08-13 1988-08-11 Agencement d'identification de nouvelles
JP63506531A JP3091462B2 (ja) 1987-08-13 1988-08-11 情報識別装置
EP88907281A EP0373175B1 (de) 1987-08-13 1988-08-11 Einrichtung zur identifizierung von nachrichten
AT88907281T ATE113738T1 (de) 1987-08-13 1988-08-11 Einrichtung zur identifizierung von nachrichten.
US07/458,707 US5150409A (en) 1987-08-13 1988-08-11 Device for the identification of messages
DE19893904180 DE3904180A1 (de) 1988-08-10 1989-02-12 Einrichtung zur identifizierung von nachrichten
PCT/EP1989/000132 WO1990009647A1 (de) 1987-08-13 1989-02-13 Einrichtung zur identifizierung von nachrichten

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
DE3827172A1 DE3827172A1 (de) 1989-03-16
DE3827172C2 true DE3827172C2 (ref) 1990-05-03

Family

ID=25858569

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3827172A Granted DE3827172A1 (de) 1987-08-13 1988-08-10 Einrichtung zur identifizierung von nachrichten

Country Status (6)

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

Cited By (3)

* Cited by examiner, † Cited by third party
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DE4114777A1 (de) * 1990-05-22 1992-02-06 Peter Elsner Verfahren und einrichtung zur nachrichtenumschluesselung
DE19511298A1 (de) * 1995-03-28 1996-10-02 Deutsche Telekom Ag Verfahren zur Erteilung und zum Entzug der Berechtigung zum Empfang von Rundfunksendungen und Decoder
DE19649292A1 (de) * 1996-11-28 1998-06-04 Deutsche Telekom Ag Verfahren zum Sichern eines durch eine Schlüsselhierarchie geschützten Systems

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US5841978A (en) * 1993-11-18 1998-11-24 Digimarc Corporation Network linking method using steganographically embedded data objects
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US6983051B1 (en) 1993-11-18 2006-01-03 Digimarc Corporation Methods for audio watermarking and decoding
US5862260A (en) 1993-11-18 1999-01-19 Digimarc Corporation Methods for surveying dissemination of proprietary empirical data
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US6611607B1 (en) 1993-11-18 2003-08-26 Digimarc Corporation Integrating digital watermarks in multimedia content
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US6122403A (en) 1995-07-27 2000-09-19 Digimarc Corporation Computer system linked by using information in data objects
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US6721440B2 (en) 1995-05-08 2004-04-13 Digimarc Corporation Low visibility watermarks using an out-of-phase color
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* 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
DE19511298A1 (de) * 1995-03-28 1996-10-02 Deutsche Telekom Ag Verfahren zur Erteilung und zum Entzug der Berechtigung zum Empfang von Rundfunksendungen und Decoder
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
DE19649292A1 (de) * 1996-11-28 1998-06-04 Deutsche Telekom Ag Verfahren zum Sichern eines durch eine Schlüsselhierarchie geschützten Systems

Also Published As

Publication number Publication date
JP3091462B2 (ja) 2000-09-25
WO1989001690A2 (fr) 1989-02-23
JPH02504560A (ja) 1990-12-20
WO1989001690A3 (en) 1989-04-20
EP0373175B1 (de) 1994-11-02
ATE113738T1 (de) 1994-11-15
EP0373175A1 (de) 1990-06-20
DE3827172A1 (de) 1989-03-16
US5150409A (en) 1992-09-22

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