CN102685084A - Digital copyright management method for incremental reading - Google Patents
Digital copyright management method for incremental reading Download PDFInfo
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- CN102685084A CN102685084A CN2011100656619A CN201110065661A CN102685084A CN 102685084 A CN102685084 A CN 102685084A CN 2011100656619 A CN2011100656619 A CN 2011100656619A CN 201110065661 A CN201110065661 A CN 201110065661A CN 102685084 A CN102685084 A CN 102685084A
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- licence
- paging
- digital
- copyright management
- management method
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Abstract
The invention relates to a digital copyright management method for incremental reading. The method carries out copyright management to digital works according to a significant logical page as a unit. The method applies a paging license and a license directory file to realize the incremental reading copyright protection. The problem that a digital copyright management system cannot carry out individual copyright protection to partial content of the digital works is solved.
Description
Technical field
The present invention relates to a kind of digital copyright management method, in particular for the digital copyright management method of increment reading.
Background technology
The fast development of various digitizing techniques has brought the flourishing prosperous of copyright.The globalization of network communication is popularized, and makes electron reading, digital contents such as Internet video and computer program not have regional distribution especially and propagation becomes unusually simply.But just because of copyright be convenient to duplicate, be beneficial to propagation, editor's characteristics such as simple make to its copyright protection and be treated as critical problem.So DRM (Digital Rights Management system for numeral copyright management) arises at the historic moment.It is made up of a series of technology, instrument, flow process and processing method.Main purpose is protected the copyright content exactly, safeguards copyright owner and user's legitimate rights and interests.Its appearance is exactly in order to solve the copyright problem of puzzlement digital content industry.
Along with Internet fast development, a kind of emerging publication mode network is published and is more and more received people's attention.The huge advantage that Web publishing is published with respect to tradition has been seen by some farsighted publishing houses, begins to set foot in Web publishing.Web publishing has the version of sending out rapidly, propagates advantages such as not receiving regional impact.Its form is generally showed with the mode of publishing in instalments.Do not create completion when complete edition, the chapters and sections of having created have been published on the net.
People need not read whole book when reading a lot of books, and only need read part chapters and sections wherein.During like user's inspection information book, maybe be only interested in several chapters wherein.And need not buy whole chapters and sections.In traditional books were propagated, this was to be difficult to accomplish, is integral body because books bind.And the appearance of e-book makes such being applied to for possibility.Because e-book can be easily, almost reorganization is cut apart on cost free ground.
The reading method of above Web publishing works and data book, it is exactly that the user does not obtain whole copyright content that a common ground is all arranged.But obtain the chapters and sections of copyright as required.We call the increment reading method to this mode.But existing DRM system pays close attention to the intellectual property protection of whole number works, safeguard and balance copyright owner and user between rights and interests.Carry out independent copyright protection and ignored according to being divided into a plurality of parts for needs such as Web publishing works or data books.The user can only obtain complete copyright content.Can not divide chapter to obtain neatly as required.
Summary of the invention
Can not divide chapter to obtain the deficiency of copyright in order to overcome existing DRM system; The present invention proposes increment and reads digital copyright management method; This method is reduced to the particle of protecting can be to the visible elementary cell of user and publisher, and this elementary cell possibly be chapters and sections or other forms of books.The user can obtain book contents by increment, rather than must obtain whole digital works content.
Description of drawings
Among Fig. 1 copyright is resolved into a plurality of pagings, and issue a licence for each paging.The licence of same copyright is by the unified management of licence catalogue file.
When the user need obtain copyright among Fig. 2, need obtain a plurality of licences and licence catalogue file from license server.
Embodiment
Analyze the characteristics that increment is read, need carry out separately protectedly to each paging of resource, and each paging of same copyright is that logical communication link is arranged.As shown in Figure 1, need a licence be provided for each paging, all paging licences of same copyright have formed a logic chain.The occupancy permit catalogue file is organized the license chain of same copyright.
L＝{E
uk[Key]，Right}sign
server (1)
L representes the paging licence.
E
Uk[Key] expression uses the private key uk of subscriber equipment unique code generation to carry out asymmetric encryption the key K ey of paging.
Right representes the authority descriptor of paging.
Signserver representes that licence uses the license server private key that holds in close confidence to sign.
ML＝{{T
i，C
i，L
i，S
i}
n，Meta，Time}sign
server (2)
ML representes the licence catalogue file.
T
iThe expression user buys the unique identification of copyright paging for the i time.
C
iThe expression user buys copyright paging content identification for the i time
L
iThe expression user buys the licence sign of copyright paging for the i time.
S
iThe expression licence is at the state of copyright.
BookMeta representes the metadata information of books, comprises the title of books, author, information such as publishing house and catalogue.
Time representes the temporal information that the licence directory information generates.
Sign
ServerThe expression licence uses the license server private key that holds in close confidence to sign.
When the user obtained copyright a part of at every turn, the licence catalogue file that license server all can generate this part licence and this this book sent to the user.As shown in Figure 2.
Claims (1)
1. a digital copyright management method uses modes such as public encryption, licence mandate, unique device identification.Its characteristic: copyright is divided into a plurality of pagings according to chapters and sections or other modes.And each paging issued a licence.The occupancy permit catalogue file is organized the licence of same copyright.The paging licence is made up of key, authority descriptor and digital signature.The licence catalogue file is by paging unique identification, the paging content identification of copyright, and the paging licence identifies, the state of copyright, and works metadata information, timestamp and digital signature are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100656619A CN102685084A (en) | 2011-03-18 | 2011-03-18 | Digital copyright management method for incremental reading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100656619A CN102685084A (en) | 2011-03-18 | 2011-03-18 | Digital copyright management method for incremental reading |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102685084A true CN102685084A (en) | 2012-09-19 |
Family
ID=46816456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100656619A Pending CN102685084A (en) | 2011-03-18 | 2011-03-18 | Digital copyright management method for incremental reading |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102685084A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317128A (en) * | 1998-07-02 | 2001-10-10 | 夏普公司 | Copyright management device, electronic-production sales device, electronic-book display device, key information management device and electronic-production distribution management system |
| CN101150585A (en) * | 2007-11-15 | 2008-03-26 | 北大方正集团有限公司 | A method, system and client device for controlling digital content |
-
2011
- 2011-03-18 CN CN2011100656619A patent/CN102685084A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317128A (en) * | 1998-07-02 | 2001-10-10 | 夏普公司 | Copyright management device, electronic-production sales device, electronic-book display device, key information management device and electronic-production distribution management system |
| CN101150585A (en) * | 2007-11-15 | 2008-03-26 | 北大方正集团有限公司 | A method, system and client device for controlling digital content |
Non-Patent Citations (1)
| Title |
|---|
| 俞银燕，汤帜: "数字版权保护技术研究综述", 《计算机学报》, vol. 28, no. 12, 31 December 2005 (2005-12-31) * |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120919 |