CN108959523B - Music playing method and player based on block chain technology - Google Patents
Music playing method and player based on block chain technology Download PDFInfo
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- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
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Abstract
The invention provides a music playing method based on a block chain technology, wherein a registered user sends a request music resource to a central server; the central server encrypts the requested music resource according to the unique public key to which the registered user belongs, and simultaneously configures the public key at the head of the music resource file; the central server generates the music resource hash key by using a distributed database IPFS; the central server deducts the commission charge according to the transfer record, and the central server receives the digital currency corresponding to the commission charge; the registered user receives the music resource, and the music player verifies the hash key after receiving the music resource; if the verification is passed, the music file is decrypted by using a user private key; and playing the music file. By the method and the system, the safety of copyright music sharing of the issuing company and personal copyright music sharing can be realized, and the copyright income of the creator is guaranteed.
Description
Technical Field
The present invention relates to the field of blockchain, and in particular, to a music playing method and a music player based on blockchain technology.
Background
The problem of the copyright of the current music playing is more and more emphasized, the copyright of music materials created by companies or individuals needs to be protected, although China strictly supervises the way of internet music propagation and limits random embezzlement and use, the problems of leakage and illegal copy of a large amount of music resources still exist, and therefore a scheme capable of guaranteeing the safe propagation of the music copyright is very needed, and the copyright benefits of the companies and the individuals are guaranteed.
At present, most music distribution companies adopt membership schemes, adopt solutions in which a centralized server is stored on different CDN nodes, and all rely on member management to download corresponding music streams and play the music streams.
Disclosure of Invention
In view of the deficiencies of the prior art, an object of the present invention is to provide a music playing method and a music player based on a blockchain technique, which are particularly suitable for the security problem during music sharing. By the invention, the copyright benefits of the creator are guaranteed through the safety of copyright music sharing of the issuing company and personal copyright music sharing.
A music playing method based on block chain technology comprises the following steps:
(1) starting a music player;
(2) registering a user;
(3) registering a user to log in the music player;
(4) the registered user sends a request music resource to a central server;
(5) when the registered user sends a request, sending the unique public key to which the registered user belongs to a central server;
(6) the central server encrypts the requested music resource according to the unique public key to which the registered user belongs, and simultaneously configures the public key at the head of the music resource file;
(7) the central server generates the music resource hash key by using a distributed database IPFS;
(8) the central server uplinks the hash key and sends the music resource to the registered user;
(9) in the step (8), sending the record to a block chain account book to form a transfer record; the central server deducts the commission charge according to the transfer record, and the central server receives the digital currency corresponding to the commission charge;
(10) the registered user receives the music resource, and the music player verifies the hash key after receiving the music resource;
(11) if the verification in the step (10) is passed, decrypting the music file by using a user private key; and playing the music file; and (4) if the step (10) is not verified, a rollback operation is executed, the central server returns the digital currency, and the music player pops up a window to prompt that the current music resource is illegal.
Further, in the step (2), the user may select an account with different permissions when registering, specifically, the method includes: a lowest-authority user and a VIP user; the different authorities correspond to different music resource management permissions;
further, in the step (2), if the user selects a VIP user when registering, the steps (3) - (11) are executed; if the user selects to register the user with the lowest authority, the user can acquire the music resource through the following steps:
(a) the user sends the unique public key B and the music resource request through a block chain, and other users with the music resource receive the request and the public key B;
(b) the user pays a digital currency as the music resource fee and the music player commission;
(c) after the music resource fee and the music player commission fee are deducted successfully, the other users send the unique public key A to which the other users belong and the received public key B of the user to the central server together with the music resource requested by the other users;
(d) after receiving the user request, the central server firstly encrypts the music resource by using a public key B of the user to obtain the encrypted music resource; then, the public key A of the other users is used for encrypting the encrypted music resource again to obtain a secondary encrypted music resource;
(e) placing the user public key B and the public keys A of the other users at the head of the secondary encrypted music resource file;
(f) the central server generates a hash key for the music resource file obtained in the step (e); after the hash key is uplinked, transmitting the hash key to other users;
(g) and the other users transmit the hash key to the user through the block chain.
Further, in the step (3), the music player displays a corresponding permission menu according to the permission of the registered user;
further, in the step (2), the user registration includes, but is not limited to, mobile number registration, third party partner registration mode;
the invention also provides a music player based on the block chain technology, which comprises the following units:
a registration unit: the registration unit provides user registration; the user registration includes but is not limited to mobile number registration and third party partner registration mode;
a login unit: registering a user to log in the music player;
a transmission unit: the registered user sends a request music resource to a central server; when the registered user sends a request, sending the unique public key to which the registered user belongs to a central server;
a configuration unit: the central server encrypts the requested music resource according to the unique public key to which the registered user belongs, and simultaneously configures the public key at the head of the music resource file;
a generation unit: the central server generates the music resource hash key by using a distributed database IPFS;
an uploading unit: the central server uplinks the hash key and sends the music resource to the registered user;
a fee deduction unit: in the step (8), sending the record to a block chain account book to form a transfer record; the central server deducts the commission charge according to the transfer record, and the central server receives the digital currency corresponding to the commission charge;
a verification unit: the registered user receives the music resource, and the music player verifies the hash key after receiving the music resource; if the verification is passed, the music file is decrypted by using a user private key; and playing the music file; if the verification is not passed, a rollback operation is executed, the central server returns the digital currency, and the music player pops up a window to prompt that the current music resource is illegal.
Further, in the registration unit, the user may select an account with different permissions when registering, specifically including: a lowest-authority user and a VIP user; the different authorities correspond to different music resource management permissions;
further, in the registration unit, if the user registers, a VIP user is selected, and then a subsequent operation is performed; if the user selects to register the lowest authority user, the player can also acquire the music resource through the following units included in the player:
a request unit: the user sends the unique public key B and the music resource request through a block chain, and other users with the music resource receive the request and the public key B;
a payment unit: the user pays a digital currency as the music resource fee and the music player commission;
a sharing unit: after the music resource fee and the music player commission fee are deducted successfully, the other users send the unique public key A to which the other users belong and the received public key B of the user to the central server together with the music resource requested by the other users;
an encryption unit: after receiving the user request, the central server firstly encrypts the music resource by using a public key B of the user to obtain the encrypted music resource; then, the public key A of the other users is used for encrypting the encrypted music resource again to obtain a secondary encrypted music resource; placing the user public key B and the public keys A of the other users at the head of the secondary encrypted music resource file;
hash key generation unit: the central server generates a hashkey for the music resource file obtained in the step (e); after the hash key is uplinked, transmitting the hash key to other users;
a transmission unit: and the other users transmit the hash key to the user through the block chain.
Further, in the registration unit, the music player displays a corresponding permission menu according to the permission of the registered user;
the invention has the advantages that: the music player logs in users and passwords on a chain, other users and enterprise companies can send music content hash to the user, the user can listen to music after decryption, but the user does not know where a music source is, complete music is not reserved locally, the music is encrypted data streams, and the music is difficult to obtain. The key is encrypted in an asymmetric way, and only the user can decrypt the key. The whole music network can be spread, but the central node which packages the spread transaction is the company, transaction commission fees are required to be provided in the forwarding process, and the company acquires another part of income of the music by charging the commission fees. Because the music is encrypted, B can be played after being decrypted by the music player after receiving the music, if the music is transmitted by P2P, B is required to provide the public key and the address of the B to A, A provides the music content to the server and fills the public key of B at the same time, the server symmetrically encrypts the public key and the address of B and stores the encrypted public key and the address in the head of the music, meanwhile, 0 is used for the whole music file, the server feeds back a hash address to A after encrypting, A transmits the hash address to B after receiving corresponding return through uplink, the player of B performs corresponding address access and decryption after receiving the hash, and finally the music is played. If abnormal copy occurs in the middle, the private key can be decrypted only, so that the safety of the music in the transmission process is ensured, and if a user cracks the music, outflow can find out which leaked music by searching a specific field in the music.
By the technology, the safety of copyright music sharing of a publishing company and personal copyright music sharing can be realized, and the copyright profit of an author is guaranteed.
Drawings
FIG. 1 is a schematic diagram of the principles of the present invention;
FIG. 2 is a schematic flow chart of the method of the present invention;
Detailed Description
The present invention will be described in detail below, and technical solutions in embodiments of the present invention will be clearly and completely described below. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A music playing method based on block chain technology comprises the following steps:
(1) starting a music player;
(2) registering a user;
(3) registering a user to log in the music player;
(4) the registered user sends a request music resource to a central server;
(5) when the registered user sends a request, sending the unique public key to which the registered user belongs to a central server;
(6) the central server encrypts the requested music resource according to the unique public key to which the registered user belongs, and simultaneously configures the public key at the head of the music resource file;
(7) the central server generates the music resource hash key by using a distributed database IPFS;
(8) the central server uplinks the hash key and sends the music resource to the registered user;
(9) in the step (8), sending the record to a block chain account book to form a transfer record; the central server deducts the commission charge according to the transfer record, and the central server receives the digital currency corresponding to the commission charge;
(10) the registered user receives the music resource, and the music player verifies the hash key after receiving the music resource;
(11) if the verification in the step (10) is passed, decrypting the music file by using a user private key; and playing the music file; and (4) if the step (10) is not verified, a rollback operation is executed, the central server returns the digital currency, and the music player pops up a window to prompt that the current music resource is illegal.
Specifically, in the step (2), the user may select an account with different permissions when registering, specifically, the method includes: a lowest-authority user and a VIP user; the different authorities correspond to different music resource management permissions;
specifically, in the step (2), if the user selects a VIP user when registering, the steps (3) - (11) are executed; if the user selects to register the user with the lowest authority, the user can acquire the music resource through the following steps:
(a) the user sends the unique public key B and the music resource request through a block chain, and other users with the music resource receive the request and the public key B;
(b) the user pays a digital currency as the music resource fee and the music player commission;
(c) after the music resource fee and the music player commission fee are deducted successfully, the other users send the unique public key A to which the other users belong and the received public key B of the user to the central server together with the music resource requested by the other users;
(d) after receiving the user request, the central server firstly encrypts the music resource by using a public key B of the user to obtain the encrypted music resource; then, the public key A of the other users is used for encrypting the encrypted music resource again to obtain a secondary encrypted music resource;
(e) placing the user public key B and the public keys A of the other users at the head of the secondary encrypted music resource file;
(f) the central server generates a hash key for the music resource file obtained in the step (e); after the hash key is uplinked, transmitting the hash key to other users;
(g) and the other users transmit the hash key to the user through the block chain.
Specifically, in the step (3), the music player displays a corresponding permission menu according to the permission of the registered user;
specifically, in the step (2), the user registration includes, but is not limited to, mobile number registration, third party partner registration mode;
the invention also provides a music player based on the block chain technology, which comprises the following units:
a registration unit: the registration unit provides user registration; the user registration includes but is not limited to mobile number registration and third party partner registration mode;
a login unit: registering a user to log in the music player;
a transmission unit: the registered user sends a request music resource to a central server; when the registered user sends a request, sending the unique public key to which the registered user belongs to a central server;
a configuration unit: the central server encrypts the requested music resource according to the unique public key to which the registered user belongs, and simultaneously configures the public key at the head of the music resource file;
a generation unit: the central server generates the music resource hash key by using a distributed database IPFS;
an uploading unit: the central server uplinks the hash key and sends the music resource to the registered user;
a fee deduction unit: in the step (8), sending the record to a block chain account book to form a transfer record; the central server deducts the commission charge according to the transfer record, and the central server receives the digital currency corresponding to the commission charge;
a verification unit: the registered user receives the music resource, and the music player verifies the hash key after receiving the music resource; if the verification is passed, the music file is decrypted by using a user private key; and playing the music file; if the verification is not passed, a rollback operation is executed, the central server returns the digital currency, and the music player pops up a window to prompt that the current music resource is illegal.
Specifically, in the registration unit, the user may select an account with different permissions when registering, specifically including: a lowest-authority user and a VIP user; the different authorities correspond to different music resource management permissions;
specifically, in the registration unit, if the user registers, a VIP user is selected, and then a subsequent operation is performed; if the user selects to register the lowest authority user, the player can also acquire the music resource through the following units included in the player:
a request unit: the user sends the unique public key B and the music resource request through a block chain, and other users with the music resource receive the request and the public key B;
a payment unit: the user pays a digital currency as the music resource fee and the music player commission;
a sharing unit: after the music resource fee and the music player commission fee are deducted successfully, the other users send the unique public key A to which the other users belong and the received public key B of the user to the central server together with the music resource requested by the other users;
an encryption unit: after receiving the user request, the central server firstly encrypts the music resource by using a public key B of the user to obtain the encrypted music resource; then, the public key A of the other users is used for encrypting the encrypted music resource again to obtain a secondary encrypted music resource; placing the user public key B and the public keys A of the other users at the head of the secondary encrypted music resource file;
hash key generation unit: the central server generates a hashkey for the music resource file obtained in the step (e); after the hash key is uplinked, transmitting the hash key to other users;
a transmission unit: and the other users transmit the hash key to the user through the block chain.
Specifically, in the registration unit, the music player displays a corresponding permission menu according to the permission of the registered user;
the invention has the advantages that: the music player logs in users and passwords on a chain, other users and enterprise companies can send music content hash to the user, the user can listen to music after decryption, but the user does not know where a music source is, complete music is not reserved locally, the music is encrypted data streams, and the music is difficult to obtain. The key is encrypted in an asymmetric way, and only the user can decrypt the key. The whole music network can be spread, but the central node which packages the spread transaction is the company, transaction commission fees are required to be provided in the forwarding process, and the company acquires another part of income of the music by charging the commission fees. Because the music is encrypted, B can be played after being decrypted by the music player after receiving the music, if the music is transmitted by P2P, B is required to provide the public key and the address of the B to A, A provides the music content to the server and fills the public key of B at the same time, the server symmetrically encrypts the public key and the address of B and stores the encrypted public key and the address in the head of the music, meanwhile, 0 is used for the whole music file, the server feeds back a hash address to A after encrypting, A transmits the hash address to B after receiving corresponding return through uplink, the player of B performs corresponding address access and decryption after receiving the hash, and finally the music is played. If abnormal copy occurs in the middle, the private key can be decrypted only, so that the safety of the music in the transmission process is ensured, and if a user cracks the music, outflow can find out which leaked music by searching a specific field in the music.
By the technology, the safety of copyright music sharing of a publishing company and personal copyright music sharing can be realized, and the copyright profit of an author is guaranteed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A music playing method based on a block chain technology is characterized by comprising the following steps:
(1) starting a music player;
(2) registering a user;
(3) registering a user to log in the music player;
(4) the registered user sends a request music resource to a central server;
(5) when the registered user sends a request, sending the unique public key to which the registered user belongs to a central server;
(6) the central server encrypts the requested music resource according to the unique public key to which the registered user belongs, and simultaneously configures the public key at the head of the music resource file;
(7) the central server generates the music resource hashkey by using a distributed database IPFS;
(8) the central server uplinks the hashkey and sends the music resource to the registered user;
(9) in the step (8), sending the record to a block chain account book to form a transfer record;
the central server deducts the commission charge according to the transfer record, and the central server receives the digital currency corresponding to the commission charge;
(10) the registered user receives the music resource, and the music player verifies the hashkey after receiving the music resource;
(11) if the verification in the step (10) is passed, decrypting the music file by using a user private key; and are
Playing the music file; and (4) if the step (10) is not verified, a rollback operation is executed, the central server returns the digital currency, and the music player pops up a window to prompt that the current music resource is illegal.
2. The method for playing music based on blockchain technology as claimed in claim 1, wherein in step (2), the user may select an account with different rights when registering, specifically comprising: a lowest-authority user and a VIP user; the different rights correspond to different music resource management permissions.
3. The method as claimed in claim 1, wherein in step (2), if the user registers and selects a VIP user, steps (3) - (11) are performed; if the user selects to register the user with the lowest authority, the user can acquire the music resource through the following steps:
(a) the user sends the unique public key B and the music resource request through a block chain, and other users with the music resource receive the request and the public key B;
(b) the user pays a digital currency as the music resource fee and the music player commission;
(c) after the music resource fee and the music player commission fee are deducted successfully, the other users send the unique public key A to which the other users belong and the received public key B of the user to the central server together with the music resource requested by the other users;
(d) after receiving the user request, the central server firstly encrypts the music resource by using a public key B of the user to obtain the encrypted music resource; then, the public key A of the other users is used for encrypting the encrypted music resource again to obtain a secondary encrypted music resource;
(e) placing the user public key B and the public keys A of the other users at the head of the secondary encrypted music resource file;
(f) the central server generates a hashkey for the music resource file obtained in the step (e); after the hashkey is uplinked, transmitting the hashkey to the other users;
(g) and the other users transmit the hashkey to the user through the block chain.
4. The method as claimed in claim 1, wherein in step (3), the music player displays a corresponding permission menu according to the permissions of the registered users.
5. The method as claimed in claim 1, wherein in step (2), the user registration includes but is not limited to mobile number registration and third party partner registration.
6. A music player based on block chain technology is characterized by comprising the following units:
a registration unit: the registration unit provides user registration; the user registration includes but is not limited to mobile number registration and third party partner registration mode;
a login unit: registering a user to log in the music player;
a transmission unit: the registered user sends a request music resource to a central server; when the registered user sends a request, sending the unique public key to which the registered user belongs to a central server;
a configuration unit: the central server encrypts the requested music resource according to the unique public key to which the registered user belongs, and simultaneously configures the public key at the head of the music resource file;
a generation unit: the central server generates the music resource hashkey by using a distributed database IPFS;
an uploading unit: the central server uplinks the hashkey and sends the music resource to the registered user;
a fee deduction unit: the transmission of the uploading unit is recorded into a block chain account book to form a transfer record; the central server deducts the commission charge according to the transfer record, and the central server receives the digital currency corresponding to the commission charge;
a verification unit: the registered user receives the music resource, and the music player verifies the hashkey after receiving the music resource; if the verification is passed, the music file is decrypted by using a user private key; and playing the music file; if the verification is not passed, a rollback operation is executed, the central server returns the digital currency, and the music player pops up a window to prompt that the current music resource is illegal.
7. A music player based on blockchain technology as claimed in claim 6, wherein the registering unit selects accounts with different rights when the user registers, specifically comprising: a lowest-authority user and a VIP user; the different rights correspond to different music resource management permissions.
8. The music player according to claim 6, wherein the registering unit is configured to perform a subsequent operation if the user selects a VIP user when registering; if the user selects to register the lowest authority user, the player can also acquire the music resource through the following units included in the player:
a request unit: the user sends the unique public key B and the music resource request through a block chain, and other users with the music resource receive the request and the public key B;
a payment unit: the user pays a digital currency as the music resource fee and the music player commission;
a sharing unit: after the music resource fee and the music player commission fee are deducted successfully, the other users send the unique public key A to which the other users belong and the received public key B of the user to the central server together with the music resource requested by the other users;
an encryption unit: after receiving the user request, the central server firstly encrypts the music resource by using a public key B of the user to obtain the encrypted music resource; then, the public key A of the other users is used for encrypting the encrypted music resource again to obtain a secondary encrypted music resource; placing the user public key B and the public keys A of the other users at the head of the secondary encrypted music resource file;
a Hashkey generating unit: the central server generates a hashkey for the music resource file obtained in the step (e); after the hashkey is uplinked, transmitting the hashkey to the other users;
a transmission unit: and the other users transmit the hashkey to the user through the block chain.
9. The music player according to claim 6, wherein in the registration unit, the music player displays a corresponding permission menu according to the registered user permission.
10. The music player according to claim 6, wherein the user registration unit includes but is not limited to mobile number registration and third party partner registration.
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