Summary of the invention
In order to solve the problems referred to above, it is an object of the invention to provide a kind of digital copyright management method and againMethod of commerce, utilizes local hardware information as the basis of encryption and decryption, it is to avoid the dominant propagation of key.
According to one aspect of the invention, it is provided that a kind of digital copyright management method, including:
User logs in digital rights service device by digital publishing rights client and carries out being registered as registration useFamily, in registration process, digital publishing rights client is by user profile and the facility information of place equipmentIt is sent to digital rights service device；
When registration user is after e-book bought by digital rights service device, digital rights service device utilizes to be protectedThe user profile of all or part of registration user deposited and/or facility information are as the double secret key encryptedE-book is encrypted, and is then sent to digital publishing rights client；
After digital publishing rights client receives e-book, utilize complete as digital rights service device endPortion or user part message and/or facility information are decrypted as the double secret key e-book deciphered.
According to a further aspect of the present invention, it is provided that a kind of digital copyright management method, including:
User logs in digital rights service device by digital publishing rights client and carries out being registered as registration useFamily, in registration process, user profile and its place of registration user are set by digital publishing rights clientStandby facility information is sent to digital rights service device；
After registration user's purchase has the e-book of purchase duration attribute, digital rights service device preservesComprise the Transaction Information buying duration；Further, digital rights service device utilizes the whole or portion preservedThe user profile of dispensing volume user and/or facility information are as the double secret key e-book encrypted and transaction letterBreath is encrypted, and is then sent to digital publishing rights client；
After digital publishing rights client receives e-book, utilize complete as digital rights service device endPortion or user part message and/or facility information are decrypted as the double secret key e-book deciphered；AndAnd, if digital publishing rights client successful decryption, it is the most expired that it first determines whether to buy duration,If the most expired, delete local e-book and notify user.
According to a further aspect of the present invention, it is provided that a kind of digital publishing rights method of commerce again, including:
When the e-book of oneself is transferred the second registration user by the first registration user, the first registration is usedFamily or the first digital publishing rights client of the second registration user or the second digital publishing rights client are by both sidesRegistration ID and e-book ID be sent to digital rights service device, and the first registration userFirst digital publishing rights client deletes local e-book；
Digital rights service device searches the use of the second registration user according to the ID of the second registration userFamily information and facility information；
Digital rights service device utilizes all or part of described user profile and/or facility information as addingThe e-book that close double secret key e-book ID is corresponding is encrypted, and is then sent to the second digital publishing rightsClient.
According to a further aspect of the present invention, it is provided that a kind of digital publishing rights method of commerce again, including:
When the e-book of oneself is transferred the second registration user by the first registration user, the first registration is usedFamily or the first digital publishing rights client of the second registration user or the second digital publishing rights client are by both sidesRegistration ID and e-book ID be sent to digital rights service device；
Digital rights service device searches the use of the second registration user according to the ID of the second registration userFamily information and facility information；
Digital rights service device utilizes all or part of described user profile and/or facility information as addingThe e-book that close double secret key e-book ID is corresponding is encrypted, and is then sent to the second digital publishing rightsClient；
Digital rights service device sends instruction information, instruction the first numeral to the first digital publishing rights clientCopyright client deletes described e-book；
First digital publishing rights client is according to the instruction information deletion this locality e-book received.
According to a further aspect of the present invention, it is provided that a kind of digital publishing rights method of commerce again, including:
When the e-book of oneself is transferred the second registration user by the first registration user, the first registration is usedFamily or the first digital publishing rights client of the second registration user or the second digital publishing rights client are by both sidesRegistration ID and e-book ID be sent to digital rights service device；
Digital rights service device is searched corresponding with this e-book ID according to the ID of the first registration userThe Transaction Information comprising the first purchase duration, and when utilizing the first purchase duration calculation second to buyLong；Described second a length of first purchase duration when buying deducts validity period；
Digital rights service device searches the use of the second registration user according to the ID of the second registration userFamily information and facility information, and preserve the Transaction Information comprising the second purchase duration；
Digital rights service device utilizes all or part of described user profile and/or facility information as addingE-book and the Transaction Information comprising the second purchase duration that close double secret key e-book ID is corresponding are carried outEncryption, is then sent to the second digital publishing rights client；
Digital rights service device sends instruction information, instruction the first numeral to the first digital publishing rights clientCopyright client deletes described e-book；
First digital publishing rights client is according to the instruction information deletion this locality e-book received.
According to a further aspect of the present invention, it is provided that a kind of digital publishing rights method of commerce again, including:
When the e-book of oneself is transferred the second registration user by the first registration user, the first registration is usedFamily or the first digital publishing rights client of the second registration user or the second digital publishing rights client are by both sidesRegistration ID and e-book ID be sent to digital rights service device；
First digital publishing rights client deletes local e-book；
Digital rights service device is searched corresponding with this e-book ID according to the ID of the first registration userThe Transaction Information comprising the first purchase duration, and when utilizing the first purchase duration calculation second to buyLong；Described second a length of first purchase duration when buying deducts validity period；
Digital rights service device searches the use of the second registration user according to the ID of the second registration userFamily information and facility information, and preserve the Transaction Information comprising the second purchase duration；
Digital rights service device utilizes all or part of described user profile and/or facility information as addingE-book and the Transaction Information comprising the second purchase duration that close double secret key e-book ID is corresponding are carried outEncryption, is then sent to the second digital publishing rights client.
Compared with prior art, the advantage of each embodiment disclosed by the invention is:
1, utilize local hardware information as the basis of encryption and decryption, it is to avoid the dominant propagation of key；
2, method of commerce again is provided, facilitates user to carry out concluding the business again of digital publishing rights；
3, the management method of the digital publishing rights with purchase duration is provided so that the use of digital publishing rightsCost is substantially reduced；
4, the method for commerce again of the digital publishing rights with purchase duration is provided, facilitates user to carry out numeralConcluding the business again of copyright.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing,The present invention is described in more detail.Should be appreciated that specific embodiment described herein only in order toExplain the present invention, be not intended to limit the present invention.
Network environment and system for numeral copyright management
According to one embodiment of the invention, it is provided that a kind of system for numeral copyright management, as it is shown in figure 1,Including:
Server 11(is also referred to as digital copyright management server, digital rights service device), forUser carries out digital publishing rights transaction and/or safeguards digital publishing rights；With
The terminal being connected by network with server 11 calculates equipment, including:
Smart mobile phone 12,
Desktop computer 13 He
Panel computer 14；
Client (also referred to as digital copyright management client, numeral are installed on described terminal calculating equipmentCopyright client), carry out digital publishing rights transaction for server and/or safeguard digital publishing rights.
Above-mentioned system for numeral copyright management is positioned at Internet(internet) in, it is also possible to it is positioned at LANInternal；Terminal calculating equipment can pass through network (wired network or wireless network) and be connected with server 11,Can also be directly connected to server 11.
The course of work of above-mentioned system for numeral copyright management is described as follows:
(1) user carries out being registered as registering user, in registration by accessing server by customer end 11During, the user profile of registration user and the facility information of its place equipment 12 are sent out by clientGive server 11, and be saved in server 11；
Wherein, user profile can be such as user name or ID card No. etc., and facility information such as may be usedTo be international communication equipment unique identifier (IMEI) or the media interviews control of terminal calculating equipment(MAC) address etc.；
(2) after registration user buys e-book 15, server 11 utilizes the most saved registrationThe user profile of user and/or facility information (or user part message and/or facility information) conductThe double secret key e-book 15 of encryption is encrypted, and is then sent to the client of equipment 12；
The dominant transmission of key is avoided during buying e-book；
(3), after the client on smart mobile phone 12 receives e-book 15, utilize and server endSame user profile and/or facility information (or user part message and/or facility information) conductThe double secret key e-book 15 of deciphering is decrypted.
Thus, the e-book 15 bought can be entered by registration user by the client of smart mobile phone 12Row is read.Above-mentioned encryption, decipherment algorithm can be known symmetric cryptography decipherment algorithms.
According to said method, even if other equipment 13 or 14 obtain this e-book 15, due to equipmentThe key that the client of 13 or 14 is not deciphered, also cannot be carried out reading, thus has reached protection numberThe purpose of letter power.
Digital rights information can include conventional: relevant author, publisher, printer or duplicator,The title of publisher, address, book number, number of the edition or publication number, publication date, periodical phase, e-book ID.
In an embodiment of the present invention, digital rights information can also include: sells people's title, sellPeople's coding, purchaser's title, purchaser's coding, settlement cost etc..Wherein, sell people's coding and purchaseBuy people and be encoded to subscriber-coded, such as ID card No., registration ID etc..
According to one embodiment of the invention, digital rights information can be embedded in e-book, in company with electricityThe philosophical works issues user together.
According to a further embodiment of the invention, above-mentioned digital rights information can be carried out as text messageQuick Response Code encodes, and the digital publishing rights of Quick Response Code form can be embedded in e-book, in company with e-book oneRise and issue user；Wherein, the method for Quick Response Code coding can be the existing disclosures such as such as QR Quick Response CodeCoded system, it is also possible to be self-defining Quick Response Code coded system.
Utilizing above-mentioned digital rights information, server and client side can also further maintenance and management numberThe transaction of letter power and process of exchange again.
Digital copyright management method
With the course of work of above-mentioned system for numeral copyright management accordingly, according to the present invention one enforcementExample, it is provided that a kind of digital copyright management method.As in figure 2 it is shown, the method S10 includes:
S11, user carry out being registered as registering user by accessing server by customer end, are registeringCheng Zhong, the user profile of registration user and the facility information of its place equipment are sent to clothes by clientBusiness device；
S12, after when registration, user buys e-book, the user of the registration user that server by utilizing preservesInformation and/or facility information (or user part message and/or facility information) are as the key of encryptionE-book is encrypted, is then sent to client；With
After S13, client receive e-book, utilize user profile as server end and/orFacility information (or user part message and/or facility information) enters as the double secret key e-book of decipheringRow deciphering.
Wherein, the user profile in step S11 can be such as user name or ID card No. etc., ifStandby information can be such as international communication equipment unique identifier (IMEI) or terminal calculating equipmentMedia interviews control (MAC) address etc..
Now, the content that server preserves is as shown in table 1 below, and the registration ID of first row is noteVolume user unique identifier, be in step s 11 by server be registration user distribution.
Table 1
Further, it is the digital publishing rights having duration as registration user from the digital publishing rights that server is boughtTime, the information of server record not only includes user profile and the facility information registering user, also includesDigital publishing rights Transaction Information (abbreviation Transaction Information), such as can be as shown in table 2.
Table 2
According to one embodiment of the invention, it is provided that a kind of digital copyright management method S20, including:
S21, user carry out being registered as registering user by accessing server by customer end, are registeringCheng Zhong, the user profile of registration user and the facility information of its place equipment are sent to clothes by clientBusiness device；
S22, when registration user buy have buy duration attribute e-book after, server preserve bagContaining the Transaction Information buying duration；
The registration user profile of user that S23, server by utilizing preserve and/or facility information (or portionPoint user profile and/or facility information) add as double secret key e-book and the Transaction Information of encryptionClose, it is then sent to client；
After S24, client receive e-book, utilize user profile as server end and/orFacility information (or user part message and/or facility information) enters as the double secret key e-book of decipheringRow deciphering；
If S25 client successful decryption, first determine whether to buy duration the most expired, ifThe most expired, delete local e-book and notify user.
Wherein, step S25 judges whether that the most expired method is: client receives the day of e-bookPhase (i.e. server sends the date of e-book) is validity period with the difference of current date, and validity period is more thanBuy duration and then represent expired.
Encryption process according to one embodiment of the invention, step S23 and S24 is illustrated below:
(1) server collected following information from client: user entitled " ztat ", machineMAC Address is " 6C-62-6D-EB-86-11 ", constitutes a key subject string " ztat6C-62-6D-EB-86-11”；
(2) after user buys e-book, server uses SHA1 algorithm (Secure Hash Algorithm),Calculate the cryptographic Hash (if the cryptographic Hash calculated is xxxy) of 128, using this cryptographic Hash asKey, carries out des encryption to e-book, is sent to client；
(3) client equally obtains user name and mac address information, uses SHA1 tooAlgorithm, goes to calculate the cryptographic Hash of 128, as decruption key, to the e-book opened in advance, entersRow DES deciphers.
Digital publishing rights method of commerce again
During digital copyright management, also include that digital publishing rights process of exchange again, i.e. one registration are usedThe legal e-book that family can be bought oneself sells the process of another registration user again.Due to electronicsBook is a kind of lossless commodity, and digital publishing rights is concluded the business and had very important practical value, it is possible to promoteUser's purchase to digital publishing rights.
Concrete, according to one embodiment of the invention, digital publishing rights is concluded the business and is included:
(1) when the first digital publishing rights of oneself is transferred the second registration user by the first registration user,First registration user or first client of the second registration user or the second client are by the registration of both sidesID and e-book ID are sent to digital rights service device；
(2) digital rights service device searches the second registration user according to the ID of the second registration userUser profile and facility information；
(3) digital rights service device utilizes described user profile and/or facility information (or part instituteState user profile and/or facility information) enter as the e-book that double secret key e-book ID of encryption is correspondingRow encryption, is then sent to the second client.
With above-mentioned digital publishing rights process of exchange more accordingly, according to one embodiment of the invention, it is provided thatA kind of digital publishing rights method of commerce again.As it is shown on figure 3, the method S30 includes:
S31, when first registration user the e-book of oneself is transferred the second registration user time, firstRegistration user or first client of the second registration user or the second client are by the registration user of both sidesID and e-book ID are sent to digital rights service device, and first client of the first registration userDelete local e-book；
S32, digital rights service device search the second registration user according to the ID of the second registration userUser profile and facility information；
S33, digital rights service device utilize described user profile and/or facility information (or part instituteState user profile and/or facility information) enter as the e-book that double secret key e-book ID of encryption is correspondingRow encryption, is then sent to the second client.
Further, after step s 21, digital publishing rights process of exchange again can be carried out by serverPut on record, i.e. record both parties register ID and e-book ID.
According to a further embodiment of the invention, it is provided that a kind of digital publishing rights method of commerce S40 again.Such as figureShown in 4, including:
S41, when first registration user the e-book of oneself is transferred the second registration user time, firstRegistration user or first client of the second registration user or the second client are by the registration user of both sidesID and e-book ID are sent to digital rights service device；
S42, digital rights service device search the second registration user according to the ID of the second registration userUser profile and facility information；
S43, digital rights service device utilize described user profile and/or facility information (or part instituteState user profile and/or facility information) enter as the e-book that double secret key e-book ID of encryption is correspondingRow encryption, is then sent to the second client；
S44, digital rights service device send instruction information to the first client, indicate the first clientDelete described e-book；
S45, the first client are according to the instruction information deletion this locality e-book received.
Further, after step S31, digital publishing rights process of exchange again can be carried out by serverPut on record, i.e. record both parties register ID and e-book ID.
Further, in time there is the digital publishing rights buying duration and need to conclude the business again, serverTo undertake with client and check responsibility accordingly.
According to a further embodiment of the invention, it is provided that a kind of digital publishing rights method of commerce S50 again.Such as figureShown in 5, including:
S51, when first registration user the e-book of oneself is transferred the second registration user time, firstRegistration user or first client of the second registration user or the second client are by the registration user of both sidesID and e-book ID are sent to digital rights service device；
S52, digital rights service device are searched and this e-book ID according to the ID of the first registration userThe corresponding Transaction Information comprising the first purchase duration, and utilize the first purchase duration calculation second to buyDuration；Described second a length of first purchase duration when buying deducts validity period；
S53, digital rights service device search the second registration user according to the ID of the second registration userUser profile and facility information, and preserve and comprise the Transaction Information of the second purchase duration；
S54, digital rights service device utilize described user profile and/or facility information (or part instituteState user profile and/or facility information) as encryption e-book corresponding to double secret key e-book ID andThe Transaction Information comprising the second purchase duration is encrypted, and is then sent to the second client；
S55, digital rights service device send instruction information to the first client, indicate the first clientDelete described e-book；
S56, the first client are according to the instruction information deletion this locality e-book received.
According to a further embodiment of the invention, it is provided that a kind of digital publishing rights method of commerce S60 again.Such as figureShown in 6, including:
S61, when first registration user the e-book of oneself is transferred the second registration user time, firstRegistration user or first client of the second registration user or the second client are by the registration user of both sidesID and e-book ID are sent to digital rights service device；
S62, the first client delete local e-book；
S63, digital rights service device are searched and this e-book ID according to the ID of the first registration userThe corresponding Transaction Information comprising the first purchase duration, and utilize the first purchase duration calculation second to buyDuration；Described second a length of first purchase duration when buying deducts validity period；
S64, digital rights service device search the second registration user according to the ID of the second registration userUser profile and facility information, and preserve and comprise the Transaction Information of the second purchase duration；
S65, digital rights service device utilize described user profile and/or facility information (or part instituteState user profile and/or facility information) as encryption e-book corresponding to double secret key e-book ID andThe Transaction Information comprising the second purchase duration is encrypted, and is then sent to the second client.
It should be noted that according to digital copyright management method S20, the of the first registration user placeOne client crosses after date at purchase duration, has been automatically deleted local e-book, thus has avoided expired electricityThe mistake that the philosophical works is concluded the business again.
Computer-readable medium
Further, according to a further embodiment of the invention, it is provided that a kind of computer-readable medium, itsIn, in described computer-readable recording medium, storage has the executable program code of computer, and described program code is used forThe step of the one or more methods provided in above-described embodiment is provided.
It should be noted that and understand, in the spirit without departing from the present invention required by appended claimsIn the case of scope, it is possible to the present invention of foregoing detailed description is made various modifications and improvements.CauseThis, it is desirable to the scope of the technical scheme of protection is not limited by given any specific exemplary teachings.