DE69736310D1 - Erzeugung und Verteilung digitaler Dokumente - Google Patents

Erzeugung und Verteilung digitaler Dokumente

Info

Publication number
DE69736310D1
DE69736310D1 DE69736310T DE69736310T DE69736310D1 DE 69736310 D1 DE69736310 D1 DE 69736310D1 DE 69736310 T DE69736310 T DE 69736310T DE 69736310 T DE69736310 T DE 69736310T DE 69736310 D1 DE69736310 D1 DE 69736310D1
Authority
DE
Germany
Prior art keywords
distribution
generation
digital documents
documents
digital
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
DE69736310T
Other languages
English (en)
Other versions
DE69736310T2 (de
Inventor
Joshua Seth Auerbach
Chee-Seng Chow
Marc Adam Kaplan
Jeffrey Charles Crigler
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE69736310D1 publication Critical patent/DE69736310D1/de
Publication of DE69736310T2 publication Critical patent/DE69736310T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C5/00—Ciphering apparatus or methods not provided for in the preceding groups, e.g. involving the concealment or deformation of graphic data such as designs, written or printed messages
    • 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
    • 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
    • G07F7/12—Card verification
    • G07F7/122—Online card verification
    • 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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols 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
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols 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 involving digital signatures
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • 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
    • 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
    • H04L2209/608—Watermarking
DE69736310T 1996-03-29 1997-02-27 Erzeugung und Verteilung digitaler Dokumente Expired - Lifetime DE69736310T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US625475 1996-03-29
US08/625,475 US5673316A (en) 1996-03-29 1996-03-29 Creation and distribution of cryptographic envelope

Publications (2)

Publication Number Publication Date
DE69736310D1 true DE69736310D1 (de) 2006-08-24
DE69736310T2 DE69736310T2 (de) 2007-07-05

Family

ID=24506266

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69736310T Expired - Lifetime DE69736310T2 (de) 1996-03-29 1997-02-27 Erzeugung und Verteilung digitaler Dokumente

Country Status (5)

Country Link
US (1) US5673316A (de)
EP (1) EP0798892B1 (de)
JP (1) JP3130267B2 (de)
KR (1) KR100187876B1 (de)
DE (1) DE69736310T2 (de)

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JPH1040100A (ja) 1998-02-13
JP3130267B2 (ja) 2001-01-31
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EP0798892A2 (de) 1997-10-01
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