CN103186724B - The dissemination method of digital content and device, terminal - Google Patents
The dissemination method of digital content and device, terminal Download PDFInfo
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- CN103186724B CN103186724B CN201110460690.5A CN201110460690A CN103186724B CN 103186724 B CN103186724 B CN 103186724B CN 201110460690 A CN201110460690 A CN 201110460690A CN 103186724 B CN103186724 B CN 103186724B
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Abstract
The invention discloses dissemination method and device, the terminal of a kind of digital content, wherein, the method includes: service platform receives the digital content that first terminal is abandoned；The right to use limit information of described digital content is reset by described service platform；Digital content after described right to use limit information is reset by described service platform is issued.The present invention solves in prior art and cannot transmit the use authority of digital content, and the digital content after transmission cannot carry out using the problem of the control of authority, thus ensure that digital content uses the controlled delivery of authority.
Description
Technical field
The present invention relates to the communications field, in particular to dissemination method and device, the terminal of a kind of digital content.
Background technology
DRM i.e. digital copyright management, uses AES based on public base design (PKI) and the technology version to digital publication
Power is protected, and can effectively prevent the illegal of digital content from propagating and using.
In existing use authority Transfer Technology, mainly use the mode that thing thing is mutual, the i.e. version to each digital content
Power gives " value ", can gather around copyrighted aggregate value by terminal and carry out the mutual of digital content and transmission, upper between terminal
State in method, need on mutual both terminal, to have a number of digital content and its " values of rights " in advance, and only work as valency
Just can swap the when of being worth equal, this exchange of use authority allowing for digital content and transmission become difficulty, thus difficult
With carry out use authority transmission also cannot to transmission after digital content carry out use authority control, add digital content it
Between mutual complexity, reduce the speed of digital content exchange, it is difficult to reach the convenience of mobile Internet, rapidity requirement.
For above-mentioned problem, effective solution is the most not yet proposed.
Summary of the invention
The invention provides dissemination method and device, the terminal of a kind of digital content, so that at least solve cannot logarithm in prior art
The use authority of word content is transmitted, and the problem that cannot carry out using the control of authority to the digital content after transmission.
According to an aspect of the invention, it is provided the dissemination method of a kind of digital content, including: service platform receives first eventually
The digital content that end is abandoned；The right to use limit information of digital content is reset by service platform；Service platform will use authority letter
Digital content after breath resets is issued.
Preferably, the step that the right to use limit information of digital content is reset by service platform: service platform judges to use authority
Whether the residue degree of transitivity in information is more than predetermined threshold；If more than predetermined threshold, then service platform is by right to use limit information
Residue degree of transitivity reduce pre-determined number, and the authority time limit in right to use limit information is updated to and decreases pre-determined number
The authority time limit that residue degree of transitivity is directly proportional.
Preferably, after the digital content after right to use limit information is reset by service platform is issued, the issue of digital content
Method also includes: service platform receives the request message of the acquisition digital content that the second terminal sends, and wherein, takes in request message
Band cost information；After the expense of cost information instruction meets predetermined threshold, service platform will reset after the use of digital content
Authority information is sent to the second terminal.
Preferably, after the right to use limit information of the digital content after service platform will reset is sent to the second terminal, in numeral
The dissemination method held also includes: whether the second terminal judges stores the content information of digital content；When the second terminal does not stores number
During the content information of word content, the second terminal is to the content information of service platform request digital content.
Preferably, service platform will reset after the right to use limit information of digital content be sent to the second terminal after, digital content
Dissemination method also include:
When the second terminal call number content, it is judged that whether the authority time limit in the right to use limit information of digital content expires, if
Expire, then stop calling of digital content.
Preferably, digital content includes at least one of: the right to use limit information of digital content, the content information of digital content,
The pricing information of digital content and digital content add confidential information.
According to a further aspect in the invention, it is provided that the distributing device of a kind of digital content, including: reception unit, it is used for receiving
The digital content that first terminal is abandoned；Reset cell, for resetting the right to use limit information of digital content；Release unit,
Digital content after being reset by right to use limit information is issued.
Preferably, reset cell includes: judge module, for judging whether the residue degree of transitivity in right to use limit information is more than
Predetermined threshold；Reset module, for when more than predetermined threshold, the residue degree of transitivity in right to use limit information is reduced predetermined
Number of times, and the authority time limit in right to use limit information is updated to the power being directly proportional to the residue degree of transitivity decreasing pre-determined number
Time limit limits.
Preferably, the distributing device of digital content also includes: second receives unit, for receiving the acquisition number that the second terminal sends
The request message of word content, wherein, carries cost information in request message；Transmitting element, for taking in cost information instruction
After meeting predetermined threshold, the right to use limit information of the digital content after resetting is sent to the second terminal.
According to another aspect of the invention, it is provided that a kind of terminal, including transmitting element；Obtain for sending to service platform
The request message of digital content, wherein, carries cost information in request message；Receive unit, be used for receiving service platform and send
Replacement after the right to use limit information of digital content.
Preferably, terminal also includes: the first judging unit, for after receiving the right to use limit information of digital content, it is judged that
Storage has the content information of digital content；Request unit, is used for when judging the content information not storing digital content,
Content information to service platform request digital content.
Preferably, terminal also includes: the second judging unit, for when call number content, it is judged that the right to use of digital content
Whether the authority time limit in limit information expires；Stop element, for the authority in the right to use limit information judging digital content
When time limit expires, stop calling of digital content.
In the present invention, the digital content that terminal is abandoned by service platform carries out the amendment of authority information, then by the numeral of amendment
Hold and issue, in order to user carries out right to use purchase to this digital content, and solving cannot be to digital content in prior art
Use authority to transmit, and the digital content after transmission cannot carry out using the problem of the control of authority, thus ensure that
Digital content uses the controlled delivery of authority.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the present invention shows
Meaning property embodiment and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is a kind of preferred structure block diagram of the distributing device of digital content according to embodiments of the present invention；
Fig. 2 is a kind of preferred structure block diagram of the reset cell of the distributing device of digital content according to embodiments of the present invention；
Fig. 3 is the another kind of preferred structure block diagram of the distributing device of digital content according to embodiments of the present invention；
Fig. 4 is a kind of preferred structure block diagram of terminal according to embodiments of the present invention；
Fig. 5 is the another kind of preferred structure block diagram of terminal according to embodiments of the present invention；
Fig. 6 is another preferred structure block diagram of terminal according to embodiments of the present invention；
Fig. 7 is a kind of flow chart of the dissemination method of digital content according to embodiments of the present invention；
Fig. 8 is a kind of preferred structure schematic diagram of use authority transaction system according to embodiments of the present invention；
Fig. 9 is a kind of preferred flow charts of the transfer of right method of digital content according to embodiments of the present invention.
Detailed description of the invention
Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments.It should be noted that in the case of not conflicting,
Embodiment in the application and the feature in embodiment can be mutually combined.
Embodiment 1
As it is shown in figure 1, the invention provides the distributing device of a kind of preferred digital content, this device includes: first receives list
Unit 102, for receiving the digital content that first terminal is abandoned；Reset cell 104, for the right to use limit information to digital content
Reset；Release unit 106, the digital content after being reset by right to use limit information is issued.
In above-mentioned preferred implementation, the digital content that terminal is abandoned by service platform carries out the amendment of authority information, then will repair
The digital content changed is issued, in order to user carries out right to use purchase to this digital content, and solving cannot be right in prior art
The use authority of digital content is transmitted, and the digital content after transmission cannot carry out using the problem of the control of authority,
Thus ensure that digital content uses the controlled delivery of authority.
In order to preferably the right to use limit information of digital content be reset, the present invention also to reset cell 104 to digital content
Right to use limit information carry out replacement and improved, in a preferred embodiment of the invention, as in figure 2 it is shown, reset single
Unit 104 includes: judge module 202, for judging whether the residue degree of transitivity in right to use limit information is more than predetermined threshold；Weight
Put module 204, for when more than predetermined threshold, the residue degree of transitivity in right to use limit information is reduced pre-determined number, and will
The authority time limit in right to use limit information is updated to the authority time limit being directly proportional to the residue degree of transitivity decreasing pre-determined number.?
In above-mentioned preferred implementation, service platform is only when the residue degree of transitivity judging this digital content is more than predetermined threshold
Wait and just it is carried out the replacement of parameter, thus limit the degree of transitivity of digital content, it is achieved that the control to the authority of digital content
System, further, residue degree of transitivity and authority time limit and price are certain proportionate relationship, in thereby may be ensured that numeral
Price and the authority time limit held all reduce along with the minimizing of number of times, it is ensured that the reasonability of right of digital content transmission.
In order to realize the payment of terminal log word content, in a preferred embodiment of the invention, as it is shown on figure 3, in numeral
The distributing device held also includes: second receives unit 302, for receiving the request message of the acquisition digital content that the second terminal sends,
Wherein, request message carries cost information；Transmitting element 304, after meeting predetermined threshold in the expense of cost information instruction,
The right to use limit information of the digital content after resetting is sent to the second terminal.In above-mentioned preferred implementation, only in terminal
The when that the expense paid meeting predetermined value, the authority information of digital content is just sent to terminal by service platform, thus ensure that
The paid transmission of digital content.
Present invention also offers a kind of preferably terminal, in a preferred embodiment of the invention, as shown in Figure 4, this terminal
Including: transmitting element 402；For sending the request message obtaining digital content to service platform, wherein, request message is carried
Cost information；3rd receives unit 404, the right to use limit information of the digital content after receiving the replacement that service platform sends.
In order to reduce unnecessary data transmission, terminal is also improved by the present invention.In a preferred embodiment of the invention
In, as it is shown in figure 5, this terminal also includes: the first judging unit 502, for receiving the right to use limit information of digital content
After, it may be judged whether storage has the content information of digital content；Request unit 504, for not storing in digital content judging
During appearance information, to the content information of service platform request digital content.In above-mentioned preferred implementation, terminal comes from judgement
Just initiate to obtain the request of content information to service platform when body does not store the content information of corresponding digital content, thus decrease
Unnecessary data transmission, decreases resource consumption.
In order to limit the useful life of each digital content, terminal call number content is also defined, at this by the present invention
In a bright preferred implementation, as shown in Figure 6, this terminal also includes: the second judging unit 602, in call number
Rong Shi, it is judged that whether the authority time limit in the right to use limit information of digital content expires；Stop element 604, for judging number
When the authority time limit in the right to use limit information of word content expires, stop calling of digital content.In above-mentioned preferred implementation,
After time limit of holding power is limited to the phase, terminal just cannot call this digital content, it is achieved thereby that to digital content in transmission every time
The control of useful life, has reached the control to right of digital content.
Based on above-mentioned preferred embodiment, digital content includes but is not limited at least one of: the use authority of digital content
Information, the content information of digital content, the pricing information of digital content and digital content add confidential information.
Embodiment 2
Terminal shown in distributing device based on the preferred digital content shown in Fig. 1-3 and Fig. 4-6, present invention also offers one
Plant the dissemination method of preferred digital content, as it is shown in fig. 7, the method concrete steps include:
S702: service platform receives the digital content that first terminal is abandoned；
The right to use limit information of digital content is reset by S704: service platform；
Digital content after right to use limit information is reset by S706: service platform is issued.
In above-mentioned preferred implementation, the digital content that terminal is abandoned by service platform carries out the amendment of authority information, then will repair
The digital content changed is issued, in order to user carries out right to use purchase to this digital content, and solving cannot be right in prior art
The use authority of digital content is transmitted, and the digital content after transmission cannot carry out using the problem of the control of authority,
Thus ensure that digital content uses the controlled delivery of authority.
In order to be controlled the degree of transitivity of digital content, the present invention also right to use limit information to digital content resets
Step is improved, and in a preferred embodiment of the invention, service platform judges the residue transmission in right to use limit information
Whether number of times is more than predetermined threshold；If more than predetermined threshold, then the residue degree of transitivity in right to use limit information is subtracted by service platform
Few pre-determined number, and be updated to the authority time limit in right to use limit information just become with the residue degree of transitivity decreasing pre-determined number
The authority time limit of ratio.In above-mentioned preferred implementation, service platform is only judging the residue degree of transitivity of this digital content
Just it is carried out the replacement of parameter more than the when of predetermined threshold, thus limit the degree of transitivity of digital content, it is achieved that logarithm
The control of the authority of word content, further, residue degree of transitivity and authority time limit and price are certain proportionate relationship, from
And can ensure that the price of digital content and authority time limit all reduce along with the minimizing of number of times, it is ensured that right of digital content is transmitted
Reasonability.
In order to realize the payment of terminal log word content, in a preferred embodiment of the invention, service platform receives second eventually
The request message of the acquisition digital content that end sends, wherein, carries cost information in request message；In taking of cost information instruction
After meeting predetermined threshold, the right to use limit information of digital content after service platform will reset is sent to the second terminal.Above-mentioned
In preferred implementation, the when that the expense only paid in terminal meeting predetermined value, service platform is just by the authority of digital content
Information is sent to terminal, thus ensure that the paid transmission of digital content.
In order to reduce the transmission of unnecessary data, the present invention also transmission to the content information of digital content is improved.At this
Inventing in a preferred implementation, the right to use limit information of the digital content after service platform will reset is sent to the second terminal
Afterwards, the dissemination method of digital content also includes: whether the second terminal judges stores the content information of digital content；When second
When terminal does not stores the content information of digital content, the second terminal is to the content information of service platform request digital content.Above-mentioned
In preferred implementation, terminal is just initiated to service platform when judging the content information self not storing corresponding digital content
Obtain the request of content information, thus decrease unnecessary data transmission, decrease resource consumption.
In order to limit the useful life of each digital content, the condition of terminal call number content is also defined by the present invention,
In a preferred embodiment of the invention, when the second terminal call number content, it is judged that the right to use limit information of digital content
In the authority time limit whether expire, if expiring, then stop the calling of digital content.In above-mentioned preferred implementation, work as authority
After time limit expires, terminal just cannot call this digital content, it is achieved thereby that to digital content validity period in transmission every time
The control of limit, has reached the control to right of digital content.
Based on above-mentioned preferred embodiment, digital content includes but is not limited at least one of: the use authority of digital content
Information, the content information of digital content, the pricing information of digital content and digital content add confidential information.
Embodiment 3
The invention provides a kind of preferred embodiment further the present invention to be explained, it will be appreciated that this is excellent
Select embodiment to be intended merely to preferably and describe the present invention, be not intended that and the present invention is limited improperly.
Below, in conjunction with the drawings and specific embodiments, the present invention will be further described.
As shown in Figure 8, it is provided that a kind of use authority transaction system, this system includes two category nodes: service platform and terminal.
Wherein, service platform comprises CI server, RI server and mall system, and fire wall, management terminal and data base
System etc., it is preferred that may include that client software and built-in DRM agent in terminal.
Introduce each ingredient of this use authority transaction system separately below.
One, service platform
In a preferred embodiment of the invention, service platform mainly comprise authentication center (Certificate Authority, referred to as
CA) subsystem, content issuer (Content Issuer, referred to as CI) subsystem, rights issuer (Right Issuer,
Referred to as RI) subsystem and store subsystem, wherein CA is mainly responsible for terminal certificate and the generation of key and management, and CI is main
Being responsible for the commercialization of digital content, RI is mainly responsible for digital content and uses management and the granting of authority, and store subsystem is main
It is responsible for the basic function such as commodity transaction and payment.
1) CA subsystem
The effect of CA subsystem is for each content object (Content Object, the referred to as CO) key that file generated is corresponding
Key, generate digital certificate and the PKI PUBkey and private key PRIkey of correspondence for each terminal.Key key is used for encrypting numeral
Content so that be not illegally used in transmittance process.PUBkey and PRIkey is used for encryption key KEY and carries out numeral label
Name, it is ensured that the verity of user identity.
2) CI subsystem
The effect of CI subsystem be by that uploaded and by examination & verification digital content be encrypted after generate object (CO) file
And generate a COID mark for it.CI subsystem uses symmetric cryptographic key KEY to be encrypted digital content so that it is peace
Full property is protected.In right to use transmittance process, platform can go data base to obtain corresponding CO file according to COID, sends
To terminal B.
3) RI subsystem
The effect of RI subsystem is that the order according to store and merchandise news generate corresponding (Right Object, referred to as RO)
File, in using authority transmittance process, the acquisition of information being committed to the digital content of platform according to terminal A is arrived by RI subsystem
The COID that this digital content is corresponding, hardware device ID (DID), the parameter such as times, and then get KEY corresponding to COID,
Then according to PKI PUBKEY corresponding for DID, its encryption is generated RO file, send to terminal B.Wherein, COID is
Unique mark of CO file, DID is unique mark of hardware device, can select No. MAC, IMEI number etc. is as DID.
4) store subsystem
The effect of store subsystem is mainly commodity transaction and mobile payment.Terminal A selects to abandon the use of specific digital content C
Temporary, this digital content can be presented in store with commercial form.Terminal B can buy the right to use of content C in store,
After selecting to buy, both sides will move payment by service platform Third-party payment.
Two, terminal
In a preferred embodiment of the invention, terminal is mainly made up of terminal software and DRM agent.Preferably, terminal can
To be connected to service platform by 3G or WIFI network.Client software is mainly responsible for and the mutual and digital content of service platform
Present, DRM agent is mainly responsible for when opening digital content and abandoning the right to use of digital content, to the relevant ginseng in RO
Number checks, to ensure that usufructuary transmission is carried out by correct logic.DRM agent also is responsible for receiving terminal simultaneously
CO file and RO file verify and resolve, will deciphering after digital content delivery present to user to client software.
Transfer of right system based on above-mentioned digital content, it is provided that a kind of transfer of right method of preferred digital content, as
Shown in Fig. 9, concrete steps include:
Corresponding residue degree of transitivity parameter times of S902: terminal A detection digital content C, if times is more than 0, then by times
Value subtracts 1 and right to use limit live parameter time-left corresponding in RO is set to 0.
S904: terminal A sends to service platform and abandons right to use information, wherein carries terminal iidentification DID, CO in this information
File identification COID and residue degree of transitivity mark times.
S906: after service platform receives relevant information, finds merchandise news X of digital content C according to COID, and according to times
Adjusting price price and useful life's parameter time-left of its RO, thus generate new merchandise news X, wherein, this is new
Merchandise news X comprises terminal iidentification DID, CoID, times, price and time-left.
Preferably, following strategy generating times and times-left can be used:
Preset the proportionate relationship between residue useful life's parameter time-left and residue degree of transitivity parameter times, example
As, be directly proportional, i.e. along with the minimizing of times, time-left also will section reduce stepwise, such as, service platform fix one new on
The residue degree of transitivity of the digital content of frame is up to 3 times, and useful life is unrestricted, and the right to use of digital content often transmits 1
Secondary, the residue degree of transitivity of its correspondence and useful life's parameter, all by minimizing, are schematic corresponding relations as shown in table 1.
Table 1
| Residue degree of transitivity times | 3 times | 2 times | 1 time | 0 time |
| Residue useful life time-left | Forever | January | 1 week | 1 day |
After service platform receives " abandoning the right to use " instruction that terminal A sends, the residue degree of transitivity in platform inspection instruction
(times), and reset the residue useful life (time-left) of this digital content according to ad hoc rule (as above table 1), treat terminal
B will obtain the residue degree of transitivity after renewal and residue useful life simultaneously after getting this digital content, to ensure that digital content makes
With limited transmission and the use of authority.Meanwhile, the price of digital content can gradually reduce along with the minimizing of residue degree of transitivity,
Corresponding Provisioning Policy, with the above-mentioned setting to times-left, does not repeats them here.
S908: terminal B finds commodity X by service platform, places an order it and pays the bill to service platform, and terminal B is by clothes
Business platform pays to commodity X and obtains content object (Content Object, the referred to as CO) file of digital content C
With permission object (Right Object, referred to as RO) file, wherein, CO file carries the ciphertext sum of digital content
The address (COID) of the content information of word content, carries the key KEY of encrypted digital content, residue transmission ginseng in RO file
In number (times), the authority time limit (time-left), it is also called right to use limit live parameter.
S910: whether service platform inquiry terminal B has the CO file of commodity X, if not, according to COID from data base
In find the CO file of digital content C of its correspondence and send it to user's B terminal.
S912: service platform finds the key KEY of the CO file of deciphering digital content C according to COID；
S914: the parameters such as the times in merchandise news X, time-left encapsulate together with key KEY generation RO file, will
This RO file sends to terminal B.
After S916: terminal B acknowledges receipt of CO file and the RO file of commodity X, service platform foundation DID is to terminal A
Account payment.
S918: terminal B by after the DRM agent deciphering CO file of digital content and RO file normal use this numeral in
Hold C.
Preferably, terminal B can realize the deciphering to digital content in the following ways:
S1: terminal B checks after receiving digital content that the integrity of file is (it is for instance possible to use SHA-1 algorithm or MD5
Etc. method), and verify digital signature.
S2: terminal B with in its digital certificate private key PRIKEY decipher digital content RO file, obtain key KEY and
Use and limit parameter (times, time-left etc.).
The inspection of S3: terminal B uses the effectiveness limiting parameter, if effectively, then deciphers digital content with key KEY, obtains bright
Literary composition.
The transfer of right method of above-mentioned digital content depends on traditional DRM system base structure, including: rights issuer
RI, content issuer CI and the DRM agent being positioned in terminal, when RI generates RO, can add special parameter in RO
Times represents the residue degree of transitivity of digital content.
Selecting to abandon the right to use of digital content C in limited time in terminal A, terminal A can detect in this digital content correspondence RO file
Residue degree of transitivity parameter times, when times equal to 0 time, the most do not allow terminal A carry out authority transfer operation, otherwise,
Times value is subtracted 1, right to use limit live parameter time-left corresponding in RO file is set to 0 simultaneously, and by above-mentioned information
It is transferred to platform.
It should be noted that and merely just illustrate as a example by the reset operation that terminal performs times and times-left, hold
This operation of row can also be service platform, and such as, when terminal B selects the right to use buying this digital content C, service is flat
The information that platform is uploaded according to terminal A generates new RO file, changes parameter times in RO file, generates new RO literary composition
Update right to use limit live parameter time-left according to degree of transitivity parameter times while part, afterwards new RO file is provided
To terminal B so that again degree of transitivity and useful life can be updated while normally using digital content C in terminal B
And control.
As can be seen from the above description, present invention achieves following technique effect:
1) the use authority making digital content can carry out having valency to transmit along with more newly arriving of the parameter in RO file.
2) after using transfer of right, still the right to use of digital content can be controlled, and control device is flexible.
Obviously, those skilled in the art should be understood that each module of the above-mentioned present invention or each step can be with general calculating
Device realizes, and they can concentrate on single calculating device, or is distributed on the network that multiple calculating device is formed,
Alternatively, they can realize with calculating the executable program code of device, it is thus possible to be stored in storing device
In perform by calculating device, and in some cases, can with the order being different from herein perform shown or described by step
Suddenly, or they are fabricated to respectively each integrated circuit modules, or the multiple modules in them or step are fabricated to single
Integrated circuit modules realizes.So, the present invention is not restricted to the combination of any specific hardware and software.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, etc.
With replacement, improvement etc., should be included within the scope of the present invention.
Claims (6)
1. the dissemination method of a digital content, it is characterised in that including:
Service platform receives the digital content that first terminal is abandoned；
The right to use limit information of described digital content is reset by described service platform；
Digital content after described right to use limit information is reset by described service platform is issued；
Wherein, the step that the right to use limit information of described digital content is reset by described service platform:
Described service platform judges that whether the residue degree of transitivity in described right to use limit information is more than predetermined threshold；
If more than described predetermined threshold, the residue degree of transitivity in described right to use limit information is reduced by the most described service platform
Pre-determined number, and the authority time limit in described right to use limit information is updated to and decreases the residue biography of described pre-determined number
The authority time limit that successive number is directly proportional, and the cost information in described right to use limit information is updated to and decreases described
The cost information that the residue degree of transitivity of pre-determined number is directly proportional；
Described service platform receives the request message obtaining described digital content that the second terminal sends, wherein, described request
Message is carried cost information；
After the expense indicated at described cost information meets predetermined threshold, described service platform will reset after described numeral in
Hold residue degree of transitivity, the authority time limit, key and be described second terminal generate corresponding digital certificate encapsulation life
Described right to use limit information is become to be sent to described second terminal；
Described second terminal checks the integrity of described content information after receiving the content information of described digital content, and tests
Card digital signature；
Described second terminal uses described digital certificate to decipher described right to use limit information, obtains in described right to use limit information
Described residue degree of transitivity, described authority time limit and described key；
Degree of transitivity is remained whether more than described predetermined threshold and secondary in described residue transmission described in described second terminal check
The content information of digital content described in described secret key decryption is used when number is more than described predetermined threshold.
Method the most according to claim 1, it is characterised in that the described digital content after described service platform will reset
After right to use limit information is sent to described second terminal, also include:
Whether described second terminal judges stores the content information of described digital content；
When described second terminal does not stores the content information of described digital content, described second terminal is to described service platform
Ask the content information of described digital content.
Method the most according to claim 1, it is characterised in that described service platform will reset after the making of described digital content
After being sent to described second terminal with authority information, also include:
When described second terminal calls described digital content, it is judged that the authority in the right to use limit information of described digital content
Whether the time limit expires, if expiring, then stops calling of described digital content.
Method the most according to claim 1, it is characterised in that described digital content includes at least one of: described numeral
The right to use limit information of content, the content information of described digital content, the pricing information of described digital content and described number
Word content add confidential information.
5. a distributing device for digital content, it is applicable to the dissemination method as according to any one of Claims 1-4, and it is special
Levy and be, including:
First receives unit, for receiving the digital content that first terminal is abandoned；
Reset cell, for resetting the right to use limit information of described digital content；
Release unit, the digital content after being reset by described right to use limit information is issued；
Wherein, described reset cell includes:
First judge module, for judging whether the residue degree of transitivity in described right to use limit information is more than predetermined threshold；
Reset module, for when more than described predetermined threshold, the residue degree of transitivity in described right to use limit information is subtracted
Few pre-determined number, and the authority time limit in described right to use limit information is updated to and decreases the residue of described pre-determined number
The authority time limit that degree of transitivity is directly proportional, and the cost information in described right to use limit information is updated to and decreases institute
State the cost information that the residue degree of transitivity of pre-determined number is directly proportional；
Second receives unit, for receiving the request message obtaining described digital content that the second terminal sends, wherein, institute
State in request message and carry cost information；
Encapsulation unit, the described numeral after the expense for indicating at described cost information meets predetermined threshold, after resetting
Content residue degree of transitivity, the authority time limit, key and be second terminal generate corresponding digital certificate encapsulation generate
Described right to use limit information is sent to described second terminal；
Described second terminal includes:
Check module, for checking the integrity of described content information after the content information receiving described digital content,
And verify digital signature；
Deciphering module, is used for using described digital certificate to decipher described right to use limit information, obtains described right to use limit information
In described residue degree of transitivity, described authority time limit and described key；
Whether inspection module, check described residue degree of transitivity more than described predetermined threshold；
Use module, use numeral described in described secret key decryption when described residue degree of transitivity is more than described predetermined threshold in
The content information held.
Distributing device the most according to claim 5, it is characterised in that described second terminal also includes:
Second judge module, for judging whether to store the content information of described digital content；
Request module, for asking the content information of described digital content to service platform.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110460690.5A CN103186724B (en) | 2011-12-31 | 2011-12-31 | The dissemination method of digital content and device, terminal |
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| CN201110460690.5A CN103186724B (en) | 2011-12-31 | 2011-12-31 | The dissemination method of digital content and device, terminal |
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| CN103186724A CN103186724A (en) | 2013-07-03 |
| CN103186724B true CN103186724B (en) | 2016-08-17 |
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| CN201110460690.5A Active CN103186724B (en) | 2011-12-31 | 2011-12-31 | The dissemination method of digital content and device, terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103530533B (en) * | 2013-11-05 | 2016-08-17 | 北京中天安泰信息科技有限公司 | Digital copyright management method and again method of commerce |
| CN103577726B (en) * | 2013-11-13 | 2016-05-18 | 北京中天安泰信息科技有限公司 | Digital publishing rights based on equipment method of commerce again |
| CN105681471A (en) * | 2016-03-25 | 2016-06-15 | 广东中标数据科技股份有限公司 | Information issuing management method and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101075278A (en) * | 2006-05-18 | 2007-11-21 | 华为技术有限公司 | Method for presenting digital content use authorization and authorization releaser |
| CN101086753A (en) * | 2006-06-07 | 2007-12-12 | 华为技术有限公司 | Method and system for realizing token money inter-circulation in digital copyright management |
| CN101174288A (en) * | 2006-11-03 | 2008-05-07 | 三星电子株式会社 | Method for enhancing DRM authority, enhanced DRM authority content, and portable terminal using the same |
| CN101242519A (en) * | 2007-02-06 | 2008-08-13 | 中国科学院声学研究所 | A two-step authorization distribution system and method for digital content charged by time |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2888355A1 (en) * | 2005-07-07 | 2007-01-12 | Thomson Licensing Sa | METHOD FOR CONTROLLING CONSUMER RIGHTS OF THE "N AUTHORIZED CONSUMPTION" TYPE OF AUDIO AND / OR VIDEO DIGITAL CONTENT AND DEVICE USING THE SAME |
| KR101393012B1 (en) * | 2007-07-03 | 2014-05-12 | 삼성전자주식회사 | System and method for management of license |
-
2011
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101075278A (en) * | 2006-05-18 | 2007-11-21 | 华为技术有限公司 | Method for presenting digital content use authorization and authorization releaser |
| CN101086753A (en) * | 2006-06-07 | 2007-12-12 | 华为技术有限公司 | Method and system for realizing token money inter-circulation in digital copyright management |
| CN101174288A (en) * | 2006-11-03 | 2008-05-07 | 三星电子株式会社 | Method for enhancing DRM authority, enhanced DRM authority content, and portable terminal using the same |
| CN101242519A (en) * | 2007-02-06 | 2008-08-13 | 中国科学院声学研究所 | A two-step authorization distribution system and method for digital content charged by time |
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