CN101507174A - System for providing digital contents by using digital fingerprinting - Google Patents
System for providing digital contents by using digital fingerprinting Download PDFInfo
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- CN101507174A CN101507174A CNA2006800555530A CN200680055553A CN101507174A CN 101507174 A CN101507174 A CN 101507174A CN A2006800555530 A CNA2006800555530 A CN A2006800555530A CN 200680055553 A CN200680055553 A CN 200680055553A CN 101507174 A CN101507174 A CN 101507174A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
Abstract
A system for providing digital contents by using digital fingerprinting includes a contents generation server (140) for generating the digital contents; a clearing house (130) for issuing license of the contents to the client (100) and generating fingerprint information from informatin related to contents purchase information; a fingerprint management server (120) for generating fingerprint code based on the fingerprint information; and a contents distribution server (110) for delivering the contents to the client after inserting the fingerprint code into the contents in watermark form. By generating fingerprint code from information such as copyright holder of the contents, contents provider, etc. and insering the fingerprint code into the contents in watermark form, an illegal distributor can be traced with the fingerprint watermark, although digital contents provided to the client may be illegally copied and re-distributed. Digital content is not encrypted in order for purchaser to replay it on other media devices.
Description
Technical field
The present invention relates to be used to provide the system of digital content; And more specifically, relate to and use digital finger-print identification so that follow the tracks of the illegal distribution of digital content and the system that is used to provide digital content of the content bought of in any media apparatus, freely resetting.
Background technology
Because developed Digital Signal Processing and compress technique together with communication networking technology etc., so ecommerce is popular, and for example the digital multimedia content of music, image, motion picture etc. generation and sell and also just receiving the interests of increase.In addition, for the profit maximization that makes under the new distribution environment, for example publish, educate and the fast digitalization of the conventional contents industry of film industry just makes progress.From buyer's viewpoint, may be not only on the traditional computer but also comprising playback of content on various other mancarried devices of MP3P, PMP, PDA and mobile phone.This development has made the buyer to enjoy the content of buying in any at any time place.
Hinted digital rights management (DRM) technology from above-mentioned background.DRM is such technology, and it provides the software kit (package) of manufacturing, distribution and managing digital content to support, for example safeguard protection content provider's right and profit, prevent to illegally copy, make out the bill and prepares to pay.In addition, DRM also comprises all following contents: only make the user who allows can be able to the digital copyright management technology of access digital content in its usage charges of payment (right fees); Be used to permit and exercise the software of copyright; And the technology that is used for fail safe and payment.
The DRM technology based on the DOI that serves as content designator (digital object identifier), the INDECS (data interoperation of e-commerce system) and being used to that is used for writing the necessary data of ecommerce prevents the digital watermark that illegally copies or forge.DOI is an identification number of distributing to digital content, and watermark is to be used for hiding the secret information of numerical data and the possessory technology of checking digital publishing rights when the conflict of copyright incident occurring.By equipment safety diploma system on all the elements, as long as paid the expense of regulation, DRM just allows accessed content.
Fig. 1 shows the schematic diagram that is used to describe according to the digital content providing system of prior art.
As shown in Figure 1, the digital content providing system according to the employing DRM of prior art comprises for example client computer 10 of computer, mancarried device etc.; Link to each other with client computer 10 with the content distributing server 20 that encrypted digital content is provided by the wire/wireless internet; Be used to issue the authorization center (clearing house) 30 of the licence of the digital content that will be provided to client computer 10; And only generate server 40 in the content that delivery of content is generated before the content distributing server 20 and management will be provided to the digital content of client computer 10.
Buy specific digital content if client computer 10 links to each other with content distributing server 20 with request, then content distributing server 20 will be delivered to authorization center 30 from the purchase information that client computer 10 provides.Authorization center 30 is delivered to purchase information content then and generates server 40, and to client computer 10 issue licences.In case issued licence, content distributing server 20 just receives and encrypts this content and generates the content that server 40 generates, and then this content is provided to the client computer 10 of the licence with issue.
Yet, as described previously, provide in the system in conventional digital contents, can be only before arriving client computer, content protects copyright with managing digital content via the DRM method.
In other words, not having antagonism based on the conventional method of encrypting distributes from the countermeasure of the decryption content of proper (rightful) buyer supply with illegal intention again to other medium.In fact, mainly under decryption condition, distribute after for example the digital multimedia content of music file or motion picture is hunted down during content playback.Thus, the inevitable copyright side's mask at the protection digital multimedia content of such conventional cryptography method is restricted.
In order to overcome above defective, Korean Patent has proposed for 10-0411376 number a kind ofly to protect method with the relevant information of resetting by buyer's information of inserting the watermark form at client-side.And Korean Patent is openly applied for having proposed for 10-2004-0046676 number a kind of being used for and is inserted the content ID of watermark form and use the method for controlling metadata at client-side at the broadcast environment that can carry out access control.
Yet, because all these two kinds of methods are designed to insert the limited information of watermark form and use encryption technology in content at client-side, so use them to be restricted inevitably as media independent open DRM system.In addition, the watermark inserter of client-side has the side effect of the malicious attack that can suffer for example to invade (hacking) etc.
Summary of the invention
Technical problem
So, the purpose of this invention is to provide and a kind ofly be used to use digital finger-print to discern the system of digital content is provided, wherein in content, insert the copyright owner's, content provider etc. of content for example the information of digital content according to the finger water-print form, although make the digital content that is provided to client computer be illegally copied and distribution again, but can follow the tracks of illegal distribution person by watermark, and wherein content is not encrypted, make the buyer can be when freely changing the media apparatus that is used for playback of content playback of content.
Technical scheme
In order to realize purpose of the present invention, a kind of system that is used for providing to client computer digital content is provided, this system comprises:
Content generates server, is used to generate digital content;
Authorization center is used for to the content distributed licence of client computer, and generates finger print information according to content purchase information from the content correlated information relevant with content;
Fingerprint management server is used for generating finger-print code based on this finger print information; With
Content distributing server, be used for according to the watermark form after content is inserted finger-print code, with this delivery of content to client computer.
Advantageous effects
According to being intended to replace traditional the present invention based on the sealing DRM system of encrypting, the direct finger print information of insertion watermark form in content, and encrypted content not.This make the buyer can comprising of free Change Example such as computer, MP3P, PMP, PDA, mobile phone etc. can playback of content the medium of all media apparatus in playback of content, make the maximum convenience of the content migration between the variety classes medium thus.
In addition, if wherein illegally distributed again by for example other trading servers or the public network of P2P, network hard disc, coffee shop, notice board type network hard disk etc. according to the content of watermark form insertion finger print information, then watermark detector can detect such unlawful activities; So can realize copyright owner's right and buyer's convenience.In addition, in content, inserting under the situation of finger print information according to the watermark form, can information extraction under the situation that content is transformed to analogue data, protect the copyright owner's of digital content right thus in the following manner: search is by the content of internet or wireless network illegal distribution; The control illegal distribution; And termination illegal.As a result, can promote the recovery of digital content industry.
Description of drawings
According to the following description of the preferred embodiment that provides in conjunction with the accompanying drawings, above and other purpose of the present invention and feature will become clear, wherein:
Fig. 1 shows the schematic diagram that is used to describe according to the digital content providing system of prior art;
Fig. 2 illustrates the schematic diagram that is used to describe according to the digital content providing system of use digital finger-print identification of the present invention;
Fig. 3 has presented the detailed diagram of the fingerprint management server shown in Fig. 2; With
Fig. 4 provides the detailed diagram of the content distributing server shown in Fig. 2.
Embodiment
To with reference to the accompanying drawings describe the preferred embodiments of the present invention thereafter.
Fig. 2 illustrates the schematic diagram that is used to describe according to the digital content providing system of use digital finger-print identification of the present invention.
As shown in Figure 2, be used to provide the system of digital content to comprise client computer 100, it can comprise computer, mancarried device etc. and be provided the content with finger water-print; Content distributing server 110 links to each other with client computer 100 by the wire/wireless internet, is used to provide the content with finger water-print; Fingerprint management server 120, be used for generating finger-print code after receiving finger print information, described finger print information for example is to distribute relevant copyright owner, content provider (CP), ISP (P2P/SP), buyer, content ID, expense with content and from whole in the information of the usage policy of authorization center 130 or some; Authorization center 130 is used for providing digital content licenses to client computer 100 after the person's that receives the content purchase from content distributing server 110 purchase information; Generate server 140 with content, be used for after generating and management will offer the content of client computer 100, transmitting contents to content distributing server 110.
In operation, when content distributing server 110 received purchase request from the specific digital content of client computer 100, the purchase information that will import according to digital content providing system of the present invention was sent to authorization center 130.In addition, the purchase information that authorization center 130 transmits content distributing server 110 is sent to content and generates server 140, simultaneously the client computer 100 issue licences of buying to request.
So; according to digital content providing system of the present invention; because content distributing server 110 inserts finger-print code according to the watermark form in the content that will be provided to client computer 100; so can be by detecting digital content by internet or wireless network illegal distribution; follow the tracks of the wrongdoer, this protects the copyright of digital content successively.In addition, can confirm whether bought content from the content generation server 140 of authorization center 130 reception purchase information.
Fig. 3 has presented the detailed diagram of the fingerprint management server shown in Fig. 2.
As shown in Figure 3, fingerprint management server 120 comprises finger-print code generator 122, is used to utilize the finger print information that transmits from authorization center 130 to generate finger-print code; With finger-print code database (being called DB thereafter) 124, be used to store the finger-print code that this finger-print code generator 122 generates.In addition, the finger-print code of these finger-print code generator 122 generations also is sent to content distributing server 110.
For example use the finger-print code information of storing among this finger-print code DB124 in the application of the content that is used for following the tracks of illegal distribution.According to the present invention, illegal contents refers to the content of being distributed under situation about not having from any right that is used to the distribute copyright information supplier, that distribute based on relevant law on the copyright owner of digital content or generation and management copyright owner's basis.In other words, illegal contents generally refers to by simple copied content or by attacking by means of all kinds and revises the content that content is reproduced.
Fig. 4 provides the detailed diagram of the content distributing server shown in Fig. 2.
As shown in Figure 4, content distributing server 10 comprises finger water-print inserter 112, be used for after purchase information is delivered to authorization center 130, the finger-print code that fingerprint management server 120 is generated according to the watermark form is inserted in the content information of these content generation server 140 generations; With encoder 114, be used for waiting the content of compressing this finger water-print inserter 112 watermark that applies with mpeg standard, content is sent to client computer 100 according to corresponding communication environment.
According to the present invention, owing to need in content, insert finger-print code, and need encode to its content once more during each content distributing server 110 distributing contents, so calculated load can concentrate on server side according to the watermark form.Yet, this defective can by on server, install can supercomputing hardware chip overcome, wherein this chip is responsible for that watermark is inserted and all or part of control of coding.Perhaps, content distributing server 110 can be configured in the encoded bit stream domain of content directly to insert watermark, overcomes thus as long as buy content just to make the defective of this content of server code.
Although illustrate and described the present invention at preferred embodiment, what those skilled in the art will appreciate that is can carry out various changes and modification, and not break away from the spirit and scope of the present invention that following claim limits.
Claims (6)
1. one kind is used for by using fingerprint recognition to provide the system of digital content to client computer, and this system comprises:
Content generates server, is used to generate digital content;
Authorization center is used for to the content distributed licence of client computer, and comes to generate finger print information from the content correlated information relevant with content according to content purchase information;
Fingerprint management server is used for generating finger-print code based on this finger print information; With
Content distributing server, be used for according to the watermark form after content is inserted finger-print code, with this delivery of content to client computer.
2. according to the system of claim 1, wherein this finger print information comprises copyright owner, content provider, ISP, buyer, content ID, expense or the usage policy of content.
3. according to the system of claim 1, wherein this fingerprint management server comprises:
The finger-print code generator is used to utilize the finger print information that transmits from this authorization center to generate finger-print code; With
The finger-print code database is used to store the finger-print code that this finger-print code generator generates, to follow the tracks of illegal distribution.
4. according to the system of claim 1, wherein this content distributing server comprises:
The finger water-print inserter is used for inserting the finger-print code that this fingerprint management server generates according to the watermark form at the content information that this content generates the server generation; With
Encoder is used to compress the content of this finger water-print watermark that inserter applies, so that content is sent to client computer.
5. according to the system of claim 1, wherein this content distributing server inserts finger-print code by using hardware chip according to the watermark form in content.
6. according to the system of claim 1, wherein this content distributing server directly inserts finger-print code according to the watermark form in the encoded bit stream domain of content.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060082858 | 2006-08-30 | ||
| KR1020060082858A KR100752511B1 (en) | 2006-08-30 | 2006-08-30 | System for providing digital contents by using digital finger printing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101507174A true CN101507174A (en) | 2009-08-12 |
Family
ID=38615515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006800555530A Pending CN101507174A (en) | 2006-08-30 | 2006-10-02 | System for providing digital contents by using digital fingerprinting |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4987978B2 (en) |
| KR (1) | KR100752511B1 (en) |
| CN (1) | CN101507174A (en) |
| WO (1) | WO2008026793A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103181178A (en) * | 2010-09-09 | 2013-06-26 | 爱迪德有限责任公司 | Method and system for providing content to a recipient device |
| CN103404159A (en) * | 2010-12-17 | 2013-11-20 | 摩托罗拉移动有限责任公司 | System and method for conveying session information for use in forensic watermarking |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2134094A1 (en) * | 2008-06-13 | 2009-12-16 | Alcatel Lucent | Method and system for performing transactions on multimedia streams being produced over a chain of contributing producers |
| KR101059146B1 (en) * | 2008-12-22 | 2011-08-25 | 한국전자통신연구원 | Hybrid fingerprint insertion device and method, content copyright protection system using same |
| CN102065325B (en) * | 2010-12-30 | 2012-12-12 | 南京理工大学 | Multimedia copyright protection method for supporting preview and tracking unauthorized distribution |
| CN103748900B (en) | 2011-02-04 | 2018-03-09 | 斯诺弗雷克解决方案公司 | Method and system for the unique watermark of Digital Media |
| KR102154897B1 (en) | 2018-09-18 | 2020-09-10 | 이화여자대학교 산학협력단 | Method for supervising digital contents using block chain and fingerprinting, device and computer readable medium for performing the method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11296661A (en) * | 1998-04-04 | 1999-10-29 | Dainippon Printing Co Ltd | Image processor |
| KR20010097834A (en) * | 2000-04-26 | 2001-11-08 | 이영아 | Realtime digital watermarking system and operating method in encrypt |
| JP2002041821A (en) * | 2000-07-26 | 2002-02-08 | Sony Corp | Contents distributing device, contents reproducing device, program recording medium for contents distributing device and program recording medium for contents reproducing device |
| JP2005525714A (en) * | 2001-08-24 | 2005-08-25 | ヴァーチャル ペイパー イーメディア ソリューションズ ゲームーベーハー | Digital content distribution, advertisement, payment, refund method and apparatus. |
| JP2003333549A (en) * | 2002-05-16 | 2003-11-21 | Pioneer Electronic Corp | Electronic watermark embedding apparatus, electronic watermark embedding method, and recording medium with electronic watermark |
| US7111171B2 (en) * | 2002-07-09 | 2006-09-19 | Kaleidescope, Inc. | Parallel distribution and fingerprinting of digital content |
| JP3976183B2 (en) * | 2002-08-14 | 2007-09-12 | インターナショナル・ビジネス・マシーンズ・コーポレーション | Content receiving apparatus, network system, and program |
| TWI250759B (en) * | 2003-06-09 | 2006-03-01 | Sony Corp | Information recording medium, data processing method and computer program |
| US20050193205A1 (en) * | 2004-01-09 | 2005-09-01 | Widevine Technologies, Inc. | Method and system for session based watermarking of encrypted content |
-
2006
- 2006-08-30 KR KR1020060082858A patent/KR100752511B1/en active IP Right Grant
- 2006-10-02 JP JP2009520665A patent/JP4987978B2/en not_active Expired - Fee Related
- 2006-10-02 WO PCT/KR2006/003958 patent/WO2008026793A1/en active Application Filing
- 2006-10-02 CN CNA2006800555530A patent/CN101507174A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103181178A (en) * | 2010-09-09 | 2013-06-26 | 爱迪德有限责任公司 | Method and system for providing content to a recipient device |
| CN103404159A (en) * | 2010-12-17 | 2013-11-20 | 摩托罗拉移动有限责任公司 | System and method for conveying session information for use in forensic watermarking |
| US9641877B2 (en) | 2010-12-17 | 2017-05-02 | Google Technology Holdings LLC | System and method for conveying session information for use in forensic watermarking |
| CN103404159B (en) * | 2010-12-17 | 2020-03-10 | 谷歌技术控股有限责任公司 | System and method for communicating session information for use in forensic watermarking |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008026793A1 (en) | 2008-03-06 |
| KR100752511B1 (en) | 2007-08-29 |
| JP2009545023A (en) | 2009-12-17 |
| JP4987978B2 (en) | 2012-08-01 |
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Application publication date: 20090812 |