FR2779592B1 - Procede de signature d'un document numerique par dissimulation d'une information binaire - Google Patents
Procede de signature d'un document numerique par dissimulation d'une information binaireInfo
- Publication number
- FR2779592B1 FR2779592B1 FR9807607A FR9807607A FR2779592B1 FR 2779592 B1 FR2779592 B1 FR 2779592B1 FR 9807607 A FR9807607 A FR 9807607A FR 9807607 A FR9807607 A FR 9807607A FR 2779592 B1 FR2779592 B1 FR 2779592B1
- Authority
- FR
- France
- Prior art keywords
- signing
- binary information
- digital document
- covering
- covering binary
- 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
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32352—Controlling detectability or arrangements to facilitate detection or retrieval of the embedded information, e.g. using markers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
- H04N2201/3233—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document of authentication information, e.g. digital signature, watermark
- H04N2201/3236—Details of authentication information generation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3269—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs
- H04N2201/327—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs which are undetectable to the naked eye, e.g. embedded codes
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9807607A FR2779592B1 (fr) | 1998-06-09 | 1998-06-09 | Procede de signature d'un document numerique par dissimulation d'une information binaire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9807607A FR2779592B1 (fr) | 1998-06-09 | 1998-06-09 | Procede de signature d'un document numerique par dissimulation d'une information binaire |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2779592A1 FR2779592A1 (fr) | 1999-12-10 |
FR2779592B1 true FR2779592B1 (fr) | 2000-09-01 |
Family
ID=9527472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9807607A Expired - Fee Related FR2779592B1 (fr) | 1998-06-09 | 1998-06-09 | Procede de signature d'un document numerique par dissimulation d'une information binaire |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2779592B1 (fr) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5721788A (en) * | 1992-07-31 | 1998-02-24 | Corbis Corporation | Method and system for digital image signatures |
WO1997040619A1 (fr) * | 1996-04-23 | 1997-10-30 | Charney, Leon, H. | Systeme et procede d'identification de document produit par un logiciel pirate |
US5915027A (en) * | 1996-11-05 | 1999-06-22 | Nec Research Institute | Digital watermarking |
-
1998
- 1998-06-09 FR FR9807607A patent/FR2779592B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2779592A1 (fr) | 1999-12-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20060228 |