CN112785301A - Block chain-based number portability method and device - Google Patents

Block chain-based number portability method and device Download PDF

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CN112785301A
CN112785301A CN202011561641.6A CN202011561641A CN112785301A CN 112785301 A CN112785301 A CN 112785301A CN 202011561641 A CN202011561641 A CN 202011561641A CN 112785301 A CN112785301 A CN 112785301A
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imsi
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CN112785301B (en
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张伦泳
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China United Network Communications Group Co Ltd
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Abstract

The invention discloses a number portability method and a number portability device based on a block chain. The method comprises the following steps: creating a network-switching three-party transaction; the network switching three-party transaction comprises a Mobile Subscriber Integrated Services Digital Network (MSISDN) number, an identifier of an operator to be switched out and an identifier of an operator to be switched in; signing the network three-party transaction, and sending the signature to the operator to be transferred out and the operator to be transferred in for the operator to be transferred out and the operator to be transferred in to sign the network three-party transaction; acquiring a recovery transaction from a block chain network, and signing the recovery transaction; obtaining an allocation transaction from the blockchain network and signing the allocation transaction; and broadcasting the signed recycle transaction and distribution transaction in the blockchain. The method can complete the operation of transferring out and transferring in the number portability at one time, is convenient to operate and can improve the user experience.

Description

Block chain-based number portability method and device
Technical Field
The invention relates to the technical field of communication, in particular to a number portability method and a number portability device based on a block chain.
Background
The existing number portability business needs to firstly handle the number portability business in the business hall of the out-going operator and then handle the number portability business in the business hall of the in-going operator, so that the business handling procedure is complex, the time is long, and the user experience is poor.
Disclosure of Invention
Therefore, the invention provides a number portability method and a device based on a block chain, which aim to solve the problem of poor user experience caused by complex procedures for handling number portability service in the prior art.
In order to achieve the above object, a first aspect of the present invention provides a block chain-based number portability method, including:
creating a network-switching three-party transaction; the network switching three-party transaction comprises a Mobile Subscriber Integrated Services Digital Network (MSISDN) number, an identifier of an operator to be switched out and an identifier of an operator to be switched in;
signing the network switching three-party transaction, and sending the signature to the operator to be switched out and the operator to be switched in so that the operator to be switched out and the operator to be switched in can sign the network switching three-party transaction;
acquiring a recovery transaction from a blockchain network, and signing the recovery transaction; the recovery transaction is initiated by the operator to be transferred out, and the recovery transaction comprises a first IMSI provided by the operator to be transferred out or a first hash value obtained based on the first IMSI;
obtaining an allocation transaction from a blockchain network and signing the allocation transaction; the allocation transaction is initiated by the to-be-transferred operator, and the allocation transaction includes a second IMSI provided by the to-be-transferred operator or a second hash value obtained based on the second IMSI;
broadcasting the signed recycle transaction and the distribution transaction in a blockchain.
The terminal for establishing the network switching three-party transaction is an entity SIM card;
the obtaining of the allocation transaction from the blockchain network and the signing of the allocation transaction comprise:
writing the international mobile subscriber identity IMSI and the matched data provided by the to-be-transferred operator into a white card supporting a space downloading function;
or, registering the SIM card with the IMSI in the to-be-transferred operator.
The terminal for creating the network switching three-party transaction is an eSIM card;
the obtaining of the allocation transaction from the blockchain network and the signing of the allocation transaction comprise:
and downloading the eSIM containing the IMSI and the matched data from the operator to be switched in an online mode.
Wherein the network-switching three-party transaction, the recovery transaction and the distribution transaction are transmitted by using a private chain.
In a second aspect, an embodiment of the present application provides a number portability method based on a block chain, including:
acquiring a network switching three-party transaction, and broadcasting the network switching three-party transaction in a block chain after signing the network switching three-party transaction; the network switching three-party transaction comprises a Mobile Subscriber Integrated Services Digital Network (MSISDN) number, an identifier of an operator to be switched out and an identifier of an operator to be switched in;
creating a recycle transaction and signing the recycle transaction; the recovery transaction is initiated by the operator to be transferred out, and the recovery transaction comprises a first IMSI provided by the operator to be transferred out or a first hash value obtained based on the first IMSI;
and sending the signed recovery transaction to a user terminal so that the user terminal signs the signed recovery transaction.
And sending the signed recovery transaction to the user terminal through a private chain.
In a third aspect, an embodiment of the present application provides a number portability method based on a block chain, including:
acquiring a network switching three-party transaction, and broadcasting the network switching three-party transaction in a block chain after signing the network switching three-party transaction; the network switching three-party transaction comprises a Mobile Subscriber Integrated Services Digital Network (MSISDN) number, an identifier of an operator to be switched out and an identifier of an operator to be switched in;
creating an allocation transaction, signing the allocation transaction; the allocation transaction is initiated by the to-be-transferred operator, and the allocation transaction includes a second IMSI provided by the to-be-transferred operator or a second hash value obtained based on the second IMSI;
and sending the signed distribution transaction to a user terminal so that the user terminal signs the signed distribution transaction.
Wherein the signed allocation transaction is sent to the user terminal via a private chain.
In a fourth aspect, an embodiment of the present application provides a block chain-based number portability apparatus, including:
the first establishing module is used for establishing network switching three-party transaction; the network switching three-party transaction comprises a Mobile Subscriber Integrated Services Digital Network (MSISDN) number, an identifier of an operator to be switched out and an identifier of an operator to be switched in;
the first signature module is used for signing the network switching three-party transaction;
the first sending module is used for sending the signed network switching three-party transaction to the operator to be switched out and the operator to be switched in so as to sign the network switching three-party transaction by the operator to be switched out and the operator to be switched in;
a first obtaining module, configured to obtain a recycle transaction and an allocation transaction from a blockchain network, where the recycle transaction is a transaction initiated by the to-be-transferred-out operator, and the recycle transaction includes a first IMSI provided by the to-be-transferred-out operator or a first hash value obtained based on the first IMSI; the allocation transaction is initiated by the to-be-transferred operator, and the allocation transaction comprises a second IMSI provided by the to-be-transferred operator or a second hash value obtained based on the second IMSI;
the first signature module is further used for signing the recovery transaction and the distribution transaction;
the first sending module is further configured to broadcast the signed recycle transaction and the signed distribution transaction in a blockchain.
In a fifth aspect, an apparatus for number portability based on a block chain in an embodiment of the present application includes:
the second acquisition module is used for acquiring the network switching three-party transaction; the network switching three-party transaction comprises a Mobile Subscriber Integrated Services Digital Network (MSISDN) number, an identifier of an operator to be switched out and an identifier of an operator to be switched in;
the second signature module is used for signing the network switching three-party transaction;
the second sending module is used for broadcasting the signed network switching three-party transaction to a block chain broadcast;
a second creation module to create a reclaim transaction;
the second signature module is further used for signing the recovery transaction; the recovery transaction is initiated by the operator to be transferred out, and the recovery transaction comprises a first IMSI provided by the operator to be transferred out or a first hash value obtained based on the first IMSI;
the second sending module is further configured to send the signed recycle transaction to a user terminal, so that the user terminal signs the signed recycle transaction.
In a sixth aspect, an embodiment of the present application provides a block chain-based number portability apparatus, including:
the third acquisition module is used for acquiring the network switching three-party transaction;
the third signature module is used for signing the network switching three-party transaction;
the third sending module is used for broadcasting the signed network switching three-party transaction in a block chain; the network switching three-party transaction comprises a Mobile Subscriber Integrated Services Digital Network (MSISDN) number, an identifier of an operator to be switched out and an identifier of an operator to be switched in;
a third creation module to create a dispensing transaction; the allocation transaction is initiated by the to-be-transferred operator, and the allocation transaction includes a second IMSI provided by the to-be-transferred operator or a second hash value obtained based on the second IMSI;
the third signature module is further configured to sign the allocation transaction;
the third sending module is further configured to send the signed distribution transaction to the user terminal, so that the user terminal signs the signed distribution transaction.
The invention has the following advantages:
the invention provides a number portability network method based on a block chain, which is characterized in that a user establishes a network-switching three-party transaction and signs, an operator to be switched out and an operator to be switched in sign the network-switching three-party transaction and broadcasts the transaction in the block chain, an operator to be switched out establishes a recovery transaction, a user terminal adds a signature to the recovery transaction and broadcasts the transaction in the block chain, an operator to be switched in establishes a distribution transaction, and a user terminal adds a signature to the distribution transaction and broadcasts the transaction in the block chain.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a diagram of an application scenario in which embodiments of the present application may be implemented;
fig. 2 is a flowchart of a block chain-based number portability method according to an embodiment of the present invention;
fig. 3 is a flowchart of a block chain-based number portability method according to an embodiment of the present invention;
fig. 4 is a flowchart of a block chain-based number portability method according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram of a block chain-based number portability apparatus according to an embodiment of the present disclosure;
fig. 6 is a schematic diagram of a block chain-based number portability apparatus according to an embodiment of the present disclosure;
fig. 7 is a schematic diagram of a block chain-based number portability apparatus according to an embodiment of the present application;
fig. 8 is a flowchart of a block chain-based number portability method according to an embodiment of the present disclosure.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
When the terms "comprises" and/or "comprising … …" are used in this specification, the presence of stated features, integers, steps, operations, elements, and/or components are specified, but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
The embodiments of the invention may be described with reference to plan and/or cross-sectional views in idealized schematic representations of the invention. Accordingly, the example illustrations can be modified in accordance with manufacturing techniques and/or tolerances.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present invention and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Fig. 1 is an application scenario diagram in which the embodiment of the present application may be implemented. As shown in fig. 1, an application scenario of the embodiment of the present application includes a user terminal 10, an operator to be transferred out 20, and an operator to be transferred in 30, where the user terminal 10 realizes signal transmission through a network 40 between the operator to be transferred out 20 and the operator to be transferred in 30.
The user terminal 10 includes, but is not limited to: function machine, smart mobile phone, intelligent wrist-watch. These user terminals 10 may each communicate with a server of the operator.
The out-to-roll operator 20 and the in-roll operator 30 are providers that provide network services. The network 40 may be a mobile network such as 3G, 4G, 5G, etc., or may be a block chain network.
In the embodiment of the present application, the user terminal communicates with the operator 20 to be transferred out and the operator 30 to be transferred in through the network 40, and the operator 20 to be transferred out and the operator 30 to be transferred in may also communicate with each other through the network 40.
Fig. 2 is a flowchart of a block chain-based number portability method according to an embodiment of the present application, where the method is applicable to a user equipment. As shown in fig. 2, the block chain-based number portability method includes:
step 201, a network-switching three-party transaction is created.
The network switching three-party transaction comprises a mobile subscriber integrated services digital network MSISDN number, an identifier of an operator to be switched out and an identifier of an operator to be switched in. The identifier of the operator to be transferred out is the unique identifier of the operator to be transferred out, and the identifier of the operator to be transferred in is the unique identifier of the operator to be transferred in.
In some embodiments, the network-switching three-party transaction comprises: t istransfer{[msisdn∈OP1]，[msisdn→OP2]In which T istransferRepresenting a switched network three-party transaction, msisdn mobile subscriber integrated services digital network, OP1Indicating the identity of the operator to be transferred out, OP2And identifying the identifier to be transferred to the operator. [ msisdn ∈ OP1]Indicates that the msisdn number to be transferred belongs to the operator to be transferred OP1, [ msisdn → OP2]Indicating that msisdn is to be transferred to the carrier.
Step 202, signing the network-switching three-party transaction, and sending the signed network-switching three-party transaction to the operator to be transferred out and the operator to be transferred in for signing the network-switching three-party transaction by the operator to be transferred out and the operator to be transferred in.
In some embodiments, the user terminal may sign the network switching three-party transaction by using its own private key, and send the signed network switching three-party transaction to the operator OP to be switched out1To be transferred out of the operator OP1The private key of the user is used for carrying out additional signature on the network-switching three-party transaction, and then the network-switching three-party transaction after additional signature is sent to the OP to be switched to the operator2To be transferred to operator OP2And carrying out secondary additional signature on the network-switching three-party transaction by using the private key of the user, and broadcasting the network-switching three-party transaction subjected to secondary additional signature to a block chain.
In some embodiments, the user terminal may sign the network switching three-party transaction by using its own private key, and send the signed network switching three-party transaction to the OP to be switched to the operator2To be transferred to operator OP2The private key of the user is used for carrying out additional signature on the network-switching three-party transaction, and then the network-switching three-party transaction after additional signature is sent to an operator OP to be switched out1To be transferred out of the operator OP1And carrying out secondary additional signature on the network-switching three-party transaction by using the private key of the user, and broadcasting the network-switching three-party transaction subjected to secondary additional signature to a block chain.
It should be noted that the user terminal may send the network switching three-party transaction to the operator to be switched out and the operator to be switched in through the block chain network, or may send the network switching three-party transaction to the operator to be switched out and the operator to be switched in through other networks.
Step 203, obtaining the recovery transaction from the blockchain network, and signing the recovery transaction.
The recycle transaction comprises a first International Mobile Subscriber Identity (IMSI) provided by an operator to be transferred out or a first hash value obtained based on the first IMSI.
In some embodiments, the reclaim transaction is a transaction to be carried out by the carrier. Recycle transaction ToutComprises { [ imsi ]1∈U，imsi1∷msisdn]，[imsi1→Φ]In which T isoutRepresents a recycle transaction, [ imsi1∈U，imsi1∷msisdn]Representing imsi1User' sIMSI, [ IMSI ] of the terminal corresponding to msisdn1→Φ]Represents will imsi1And (6) recovering.
In some embodiments, for imsi1Carrying out Hash operation to obtain a first Hash value, and replacing imsi with the first Hash value1. Using hash values instead of imsi1The user terminal can be prevented from being revealed.
In some embodiments, the carrier to be rolled out is on a reclaim transaction ToutAfter signing, the signed recovery transaction ToutSending to a user terminal, and the user terminal utilizes the private key of the user terminal to recover the transaction ToutThe signature is appended. The private key is a private key agreed by the user terminal and the operator to be transferred out.
Step 204, obtain the distribution transaction from the blockchain network and sign the distribution transaction.
The allocation transaction includes a second international mobile subscriber identity IMSI to be transferred to the operator or a second hash value obtained based on the second IMSI.
In some embodiments, transaction T is assignedinIs a transaction to be carried over to the operator. Allocation transaction TinComprises { [ imsi ]2∈OP2]，[imsi2→U，imsi2∷msisdn]In which T isinRepresents an allocation transaction, [ imsi2∈OP2]Representing imsi2Belonging to the operator OP to be switched over2IMSI, [ IMSI [ [ IMSI ]2→U，imsi2∷msisdn]Represents will imsi2Assigned to a user terminal and corresponding to msisdn.
In some embodiments, for imsi2Performing hash operation to obtain a second hash value, and replacing imsi with the second hash value2. Using hash values instead of imsi2Information of the user terminal can be prevented from being leaked.
In some embodiments, the pending transfer operator is for an allocation transaction TinAfter signing, the signed allocation transaction TinSending to the user terminal, the user terminal uses its own private key to distribute transaction TinThe signature is appended. Wherein, the private key is the user terminal and the operation to be switched intoA merchant-agreed private key.
In step 205, the signed reclaim transaction and allocation transaction are broadcast in the blockchain.
The user terminal utilizes the recovery transaction T signed by the private key of the user terminaloutAnd distributing the transaction TinBroadcast to the blockchain network.
Because the network switching three-party transaction is a transaction approved by three parties, the network switching three-party transaction is to be switched to the operator OP1And operator OP to be transferred out2Perform the operations of reclaiming IMSI and allocating IMSI, i.e. to be transferred to the operator OP1Create a recycle transaction to be transferred out of the operator OP2And creating an allocation transaction, and completing the operations of recovering the IMSI and allocating the IMSI after the user terminal signs the recovery transaction and the allocation transaction.
In some embodiments, in the case that the user terminal is a physical SIM card, before acquiring the allocation transaction from the blockchain network in step 204 and signing the allocation transaction, the method further includes:
and writing the international mobile subscriber identity IMSI and the matched data provided by the to-be-transferred operator into a white card supporting the space downloading function.
Wherein, the white card is a blank SIM card, the SIM card supports the Over The Air (OTA) function, and the imsi is connected with the SIM card in an OTA mode2And writing the matched data into the SIM card, namely the SIM card obtains the SIM card to be transferred into the operator in advance. Wherein, the supporting data includes but is not limited to the secret key to be transferred to the operator.
In some embodiments, the international mobile subscriber identity IMSI and the associated data to be transferred to the carrier are written into a white card supporting space download function, and may also be executed after acquiring the allocation transaction from the blockchain network and signing the allocation transaction in step 204, which may only result in a period of out-of-service vacancy.
In some embodiments, in the case that the user terminal is a physical SIM card, before acquiring the allocation transaction from the blockchain network in step 204 and signing the allocation transaction, the method further includes:
registering with imsi at the operator to be transferred2SIM card of in order to be transferred to the operatorBuild an allocation transaction Tin。
In some embodiments, the carrier registration with imsi is performed at the carrier to be transferred2To be transferred to the operator to create the allocation transaction TinIt may also be performed after acquiring the allocation transaction from the blockchain network and signing the allocation transaction at step 204, but only for a period of out-of-service periods.
It should be noted that the user can register with the imsi in the business hall to be transferred to the operator2The SIM card of (1) can also be transacted online in an e-commerce manner, which is not limited in this application. The user can associate the imsi in the business hall to be transferred to the operator2And the matched data is written into the SIM card, and the imsi can be online in an e-commerce mode2And writing the matched data into the SIM card, which is not limited in the application.
In some embodiments, when the user terminal is an eSIM card, before acquiring the allocation transaction from the blockchain network and signing the allocation transaction in step 204, the method further includes:
downloading imsi containing international mobile subscriber identity from to-be-transferred operator in online manner2And an eSIM supporting the data.
In some embodiments, the imsi containing international mobile subscriber identity is downloaded from the ported-in operator in an online manner2And the eSIM associated with the data, may also be executed after acquiring the allocation transaction from the blockchain network and signing the allocation transaction in step 204, but resulting in a period of out-of-service vacancy.
In some embodiments, the third party network transfer transaction, the recycle transaction, and the distribution transaction are transmitted using a private chain. The private chain refers to a block chain for limiting access authority, and only authorized users can access the private chain, so that the IMSI and MSISDN of the user terminal are prevented from being leaked.
In the number portability network method based on the block chain, a user creates a network-switched three-party transaction and signs, a to-be-switched operator and a to-be-switched operator sign the network-switched three-party transaction and then broadcast in the block chain, a to-be-switched operator creates a recovery transaction, a user terminal adds a signature to the recovery transaction and then broadcast in the block chain, a to-be-switched operator creates a distribution transaction, and a user terminal adds a signature to the distribution transaction and then broadcast in the block chain.
In a second aspect, an embodiment of the present application provides a block chain-based number portability method. Fig. 3 is a flowchart of a block chain-based number portability method according to an embodiment of the present disclosure. As shown in fig. 3, the block chain-based number portability method includes:
step 301, acquiring a network-switching three-party transaction, and broadcasting in a block chain after signing the network-switching three-party transaction.
The network switching three-party transaction comprises a mobile subscriber integrated services digital network MSISDN number, an identifier of an operator to be switched out and an identifier of an operator to be switched in.
In some embodiments, the network-switching three-party transaction is a transaction initiated by the user terminal. The network switching three-party transaction comprises the following steps: t istransfer{[msisdn∈OP1]，[msisdn→OP2]In which T istransferRepresenting a switched network three-party transaction, msisdn mobile subscriber integrated services digital network, OP1Indicating the identity of the operator to be transferred out, OP2And identifying the identifier to be transferred to the operator. [ msisdn ∈ OP1]Indicating that the msisdn number to be ported belongs to the operator OP to be ported1，[msisdn→OP2]Indicating that msisdn is to be transferred to the carrier.
After receiving the network switching three-party transaction initiated by the user terminal, the network switching three-party transaction is signed by using the private key of the operator to be switched out, and the signed network switching three-party transaction is sent to the operator to be switched in. Or, if the network-switching-in three-party transaction is signed by the network-switching-in operator, the network-switching-out operator broadcasts the signed network-switching three-party transaction to the block chain.
Step 302, create a recycle transaction and sign the recycle transaction.
The recycle transaction comprises a first International Mobile Subscriber Identity (IMSI) provided by an operator to be transferred out or a first hash value obtained based on the first IMSI.
In some embodiments, the carrier to be ported out initiates a reclaim transaction. Recycle transaction ToutComprises { [ imsi ]1∈U，imsi1∷msisdn]，[imsi1→Φ]In which T isoutRepresents a recycle transaction, [ imsi1∈U，imsi1∷msisdn]Representing imsi1IMSI, [ IMSI ] of the subscriber terminal corresponding to msisdn1→Φ]Represents will imsi1And (6) recovering.
In some embodiments, for imsi1Carrying out Hash operation to obtain a first Hash value, and replacing imsi with the first Hash value1. Using hash values instead of imsi1The user terminal can be prevented from being revealed.
And step 303, sending the signed recycle transaction to the user terminal so that the user terminal can sign the signed recycle transaction.
In some embodiments, the carrier to be rolled out is on a reclaim transaction ToutAfter signing, the signed recovery transaction ToutSending to a user terminal, and the user terminal utilizes the private key of the user terminal to recover the transaction ToutThe signature is appended.
In some embodiments, the signed reclaim transaction is sent to the user terminal through a private chain.
The private chain refers to a block chain for limiting access authority, and only authorized users can access the private chain, so that the IMSI and MSISDN of the user terminal are prevented from being leaked.
In the number portability network method based on the block chain, a user creates a network-switched three-party transaction and signs, a to-be-switched operator and a to-be-switched operator sign the network-switched three-party transaction and then broadcast in the block chain, a to-be-switched operator creates a recovery transaction, a user terminal adds a signature to the recovery transaction and then broadcast in the block chain, a to-be-switched operator creates a distribution transaction, and a user terminal adds a signature to the distribution transaction and then broadcast in the block chain.
In a third aspect, an embodiment of the present application provides a block chain-based number portability method. Fig. 4 is a flowchart of a block chain-based number portability method according to an embodiment of the present disclosure. As shown in fig. 4, the block chain-based number portability method includes:
step 401, acquiring a network switching three-party transaction, and broadcasting in a block chain after signing the network switching three-party transaction.
The network switching three-party transaction comprises a mobile subscriber integrated services digital network MSISDN number, an identifier of an operator to be switched out and an identifier of an operator to be switched in.
In some embodiments, the network-switching three-party transaction is a transaction initiated by the user terminal. The network switching three-party transaction comprises the following steps: t istransfer{[msisdn∈OP1]，[msisdn→OP2]In which T istransferRepresenting a switched network three-party transaction, msisdn mobile subscriber integrated services digital network, OP1Indicating the identity of the operator to be transferred out, OP2And identifying the identifier to be transferred to the operator. [ msisdn ∈ OP1]Indicating that the msisdn number to be ported belongs to the operator OP to be ported1，[msisdn→OP2]Indicating that msisdn is to be transferred to the carrier.
After receiving the network switching three-party transaction initiated by the user terminal, the network switching three-party transaction is signed by using the private key of the network switching operator, and the signed network switching three-party transaction is sent to the network switching operator. Or, if the operator to be transferred signs the network-switching three-party transaction, the operator to be transferred broadcasts the signed network-switching three-party transaction to the block chain.
At step 402, an allocation transaction is created and signed.
The allocation transaction includes a second international mobile subscriber identity IMSI to be transferred to the operator or a second hash value obtained based on the second IMSI.
In some embodiments, the ported-in operator initiates an allocation transaction. Allocation transaction TinIs a transaction to be carried over to the operator. Allocation transaction TinComprises { [ imsi ]2∈OP2]，[imsi2→U，imsi2∷msisdn]In which T isinRepresents an allocation transaction, [ imsi2∈OP2]Representing imsi2Belonging to the operator OP to be switched over2IMSI, [ IMSI [ [ IMSI ]2→U，imsi2∷msisdn]Represents will imsi2Assigned to a user terminal and corresponding to msisdn.
In some embodiments, the transfer-in operator is to imsi2Performing hash operation to obtain a second hash value, and replacing imsi with the second hash value2. Using hash values instead of imsi2Information of the user terminal can be prevented from being leaked.
Step 403, sending the signed allocation transaction to the user terminal, so that the user terminal signs the signed allocation transaction.
In some embodiments, the pending transfer operator is for an allocation transaction TinAfter signing, the signed allocation transaction TinSending to the user terminal, the user terminal uses its own private key to distribute transaction TinThe signature is appended.
In some embodiments, the signed allocation transaction is sent to the user terminal via a private chain.
The private chain refers to a block chain for limiting access authority, and only authorized users can access the private chain, so that the IMSI and MSISDN of the user terminal are prevented from being leaked.
In the number portability network method based on the block chain, a user creates a network-switched three-party transaction and signs, a to-be-switched operator and a to-be-switched operator sign the network-switched three-party transaction and then broadcast in the block chain, a to-be-switched operator creates a recovery transaction, a user terminal adds a signature to the recovery transaction and then broadcast in the block chain, a to-be-switched operator creates a distribution transaction, and a user terminal adds a signature to the distribution transaction and then broadcast in the block chain.
In a fourth aspect, an embodiment of the present application provides a block chain-based number portability apparatus, which is applicable to a user terminal. Fig. 5 is a schematic diagram of a block chain-based number portability apparatus according to an embodiment of the present application. As shown in fig. 5, the block chain-based number portability apparatus 500 includes:
a first creating module 501, configured to create a network-switching three-party transaction.
The network switching three-party transaction comprises a mobile subscriber integrated services digital network MSISDN number, an identifier of an operator to be switched out and an identifier of an operator to be switched in. The identifier of the operator to be transferred out is the unique identifier of the operator to be transferred out, and the identifier of the operator to be transferred in is the unique identifier of the operator to be transferred in.
In some embodiments, the network-switching three-party transaction comprises: t istransfer{[msisdn∈OP1]，[msisdn→OP2]In which T istransferRepresenting a switched network three-party transaction, msisdn mobile subscriber integrated services digital network, OP1Indicating the identity of the operator to be transferred out, OP2And identifying the identifier to be transferred to the operator. [ msisdn ∈ OP1]Indicating that the msisdn number to be ported belongs to the operator OP to be ported1，[msisdn→OP2]Indicating that msisdn is to be transferred to the carrier.
A first signature module 502, configured to sign a network three-party transaction.
In some embodiments, the user terminal signs the Internet three-party transaction with its own private key.
A first sending module 503, configured to send the signed network switching three-party transaction to the to-be-switched-out operator and the to-be-switched-in operator, so that the to-be-switched-out operator and the to-be-switched-in operator sign the network switching three-party transaction.
In some embodiments, the first sending module 503 may send the signed network switching three-party transaction to the to-be-switched-out operator and the to-be-switched-in operator by using the block chain, or may send the signed network switching three-party transaction to the to-be-switched-out operator and the to-be-switched-in operator by using other manners such as a mobile communication network.
A first acquisition module 504 is configured to acquire recycle transactions and allocation transactions from the blockchain network.
The recovery transaction is initiated by an operator to be transferred out, and the recovery transaction comprises a first International Mobile Subscriber Identity (IMSI) provided by the operator to be transferred out or a first hash value obtained based on the first IMSI.
In some embodiments, the reclaim transaction is a transaction to be carried out by the carrier. Recycle transaction ToutComprises { [ imsi ]1∈U，imsi1∷msisdn]，[imsi1→Φ]In which T isoutRepresents a recycle transaction, [ imsi1∈U，imsi1∷msisdn]Representing imsi1IMSI, [ IMSI ] of the subscriber terminal corresponding to msisdn1→Φ]Represents will imsi1And (6) recovering.
In some embodiments, for imsi1Carrying out Hash operation to obtain a first Hash value, and replacing imsi with the first Hash value1. Using hash values instead of imsi1The user terminal can be prevented from being revealed.
In some embodiments, the carrier to be rolled out is on a reclaim transaction ToutAfter signing, the signed recovery transaction ToutSending to a user terminal, and the user terminal utilizes the private key of the user terminal to recover the transaction ToutThe signature is appended.
The allocation transaction is initiated by the to-be-transferred operator, and the allocation transaction includes a second International Mobile Subscriber Identity (IMSI) provided by the to-be-transferred operator or a second hash value obtained based on the second IMSI.
In some embodiments, transaction T is assignedinIs a transaction to be carried over to the operator. Allocation transaction TinComprises { [ imsi ]2∈OP2]，[imsi2→U，imsi2∷msisdn]In which T isinRepresents an allocation transaction, [ imsi2∈OP2]Representing imsi2Belonging to the operator OP to be switched over2IMSI, [ IMSI [ [ IMSI ]2→U，imsi2∷msisdn]Represents will imsi2Assigned to a user terminal and corresponding to msisdn.
In some embodiments, for imsi2Performing hash operation to obtain a second hash value, and replacing imsi with the second hash value2. By usingHash value substitution for imsi2Information of the user terminal can be prevented from being leaked.
In some embodiments, the pending transfer operator is for an allocation transaction TinAfter signing, the signed allocation transaction TinSending to the user terminal, the user terminal uses its own private key to distribute transaction TinThe signature is appended.
The first signature module 502 is also used to sign recycle and distribution transactions. For example, the user terminal signs the recycle transaction and the distribution transaction with its own private key.
The first sending module 503 is further configured to broadcast the signed recycle transaction and allocation transaction in the blockchain.
The user terminal utilizes the recovery transaction T signed by the private key of the user terminaloutAnd distributing the transaction TinBroadcast to the blockchain network.
Because the network switching three-party transaction is a transaction approved by three parties, the network switching three-party transaction is to be switched to the operator OP1And operator OP to be transferred out2Perform the operations of reclaiming IMSI and allocating IMSI, i.e. to be transferred to the operator OP1Create a recycle transaction to be transferred out of the operator OP2And creating an allocation transaction, and completing the operations of recovering the IMSI and allocating the IMSI after the user terminal signs the recovery transaction and the allocation transaction.
The number portability network device based on the block chain provided by the embodiment utilizes the first creation module to create the network-switched three-party transaction, utilizes the first signature module to sign the network-switched three-party transaction, utilizes the first acquisition module to obtain the hand-drawn transaction and the distribution transaction, utilizes the first signature module to sign the recovery transaction and the distribution transaction, and broadcasts the first sending module to the block chain.
In a fifth aspect, the present application provides a block chain-based number portability apparatus, which is applicable to an operator. Fig. 6 is a schematic diagram of a block chain-based number portability apparatus according to an embodiment of the present application. As shown in fig. 6, the block chain based number portability apparatus 600 includes:
the second obtaining module 601 is used for obtaining the network switching three-party transaction; the network switching three-party transaction comprises a Mobile Subscriber Integrated Services Digital Network (MSISDN) number, an identifier of an operator to be switched out and an identifier of an operator to be switched in;
a second signature module 602, configured to sign a network three-party transaction;
a second sending module 603, configured to broadcast the signed network-switching three-party transaction to a blockchain broadcast;
a second creation module 604 for creating a recycle transaction;
a second signature module 602, further configured to sign the recycle transaction; the recovery transaction is initiated by an operator to be transferred out, and comprises a first International Mobile Subscriber Identity (IMSI) provided by the operator to be transferred out or a first hash value obtained based on the first IMSI;
the second sending module 603 is further configured to send the signed recycle transaction to the user terminal, so that the user terminal signs the signed recycle transaction.
The block chain-based number portability device provided by the embodiment creates the distribution transaction through the second creation module, the second signature module is right to the distribution transaction signature, the second sending module sends the signed distribution transaction to the user terminal, and the device can complete the number portability and the network portability at one time, is convenient to operate, and improves the user experience.
In a sixth aspect, an embodiment of the present application provides a block chain-based number portability apparatus, which is to be used for a to-be-ported operator. Fig. 7 is a schematic diagram of a block chain-based number portability apparatus according to an embodiment of the present application. As shown in fig. 7, the block chain-based number portability apparatus includes:
a third obtaining module 701, configured to obtain a network-switching three-party transaction;
a third signature module 702, configured to sign a network-switched three-party transaction;
a third sending module 703, configured to broadcast the signed network-switching three-party transaction in a block chain; the network switching three-party transaction comprises a Mobile Subscriber Integrated Services Digital Network (MSISDN) number, an identifier of an operator to be switched out and an identifier of an operator to be switched in;
a third creation module 704 for creating a dispensing transaction; the allocation transaction is initiated by the to-be-transferred operator and comprises a second International Mobile Subscriber Identity (IMSI) provided by the to-be-transferred operator or a second hash value obtained based on the second IMSI;
a third signature module 702, further configured to sign the allocation transaction;
the third sending module 703 is further configured to send the signed allocation transaction to the user terminal, so that the user terminal signs the signed allocation transaction.
The block chain-based number portability device provided by the embodiment creates the distribution transaction through the third creation module, the third signature module is right to the distribution transaction signature, the third sending module sends the signed distribution transaction to the user terminal, and the device can complete the roll-out and roll-in of the number portability at one time, is convenient to operate, and therefore improves user experience.
In order to better understand the present application, a number portability method based on a block chain is described below by taking a user a, an operator b to be ported out, and an operator c to be ported in as examples. The user A wishes to transfer the mobile phone number 186xxxxxx from the operator B to the operator C.
Fig. 8 is a flowchart of a block chain-based number portability method according to an embodiment of the present application. As shown in fig. 8, the block chain-based number portability method includes:
step 801, a user terminal sets transaction Ttransfer{ [186xxxxxxxx ∈ B][186xxxxxxxx → propane >]}
Step 802, the user terminal pair Ttransfer{ [186xxxxxxxx ∈ B][186xxxxxxxx → propane >]And sending the signed result to an operator B.
Step 803, operator B vs Ttransfer{ [186xxxxxxxx ∈ B][186xxxxxxxx → propane >]And sending the signature to the operator C after the signature is added.
Step 804, the operator C is to Ttransfer{[186xxxxxxxx∈Second step][186xxxxxxxx → propane >]The appended signature is broadcast to the blockchain. Three-party transaction T to the networktransferThis is true.
Step 805, the operator B sees the network switching three-party transaction T with the signature of the user A, the operator B and the operator C on the blockchaintransferSetting recovery Tout{ [4601 xxxxxxxxxxxx ∈ A, 4601 xxxxxxxxxxxx: 186 xxxxxxxxxxxxxx]，[4601xxxxxxxxxx→Φ]4601xxxxxxxxxx is the IMSI of the current SIM card of the operator b.
Step 806, operator B vs Tout{ [4601 xxxxxxxxxxxx ∈ A, 4601 xxxxxxxxxxxx: 186 xxxxxxxxxxxxxx]，[4601xxxxxxxxxx→Φ]And sending the signature to a user terminal A.
Step 807, the operator C sees the network-switching three-party transaction T with the signatures of the user A, the operator B and the operator C on the block chaintransferSetting a distribution transaction Tin{ [4600xxxxxxxxxx ∈ C][4600 xxxxxxxxxxxx → A, 4600 xxxxxxxxxxxx: 186 xxxxxxxxxx]4600xxxxxxxxxx is the IMSI assigned to a, corresponding to the number 186 xxxxxxxx.
Step 808, the operator C is to Tin{ [4600xxxxxxxxxx ∈ C][4600 xxxxxxxxxxxx → A, 4600 xxxxxxxxxxxx: 186 xxxxxxxxxx]And sending the signature to a user terminal A.
Step 809, the user terminal A inserts the obtained SIM card with the ISMI value of the operator C of 4600xxxxxxxx into the mobile phone, or after (eSIM) is downloaded to the mobile phone, the SIM card is used for ToutAnd TinAppending a signature and simultaneously adding ToutAnd TinBroadcast to the blockchain.
To this end ToutAnd TinAll take effect. The operator B refuses the network connection request of the mobile phone of the user terminal A, and the operator C allows the user terminal A to connect the network.
The steps of the above methods are divided for clarity, and the implementation may be combined into one step or split some steps, and the steps are divided into multiple steps, so long as the same logical relationship is included, which are all within the protection scope of the present patent; adding insignificant modifications to the algorithm or flow or introducing insignificant designs, but not changing the core design of the algorithm and flow.
Each module in the present embodiment is a logical module, and in practical applications, one logical unit may be one physical unit, may be a part of one physical unit, or may be implemented by a combination of a plurality of physical units. In addition, in order to highlight the innovative part of the present invention, elements that are not so closely related to solving the technical problems proposed by the present invention are not introduced in the present embodiment, but this does not indicate that other elements are not present in the present embodiment.
The present embodiments also provide an electronic device, comprising one or more processors; when the one or more programs are executed by the one or more processors, the one or more processors implement the carry-over and forwarding method based on the block chain provided in this embodiment, and in order to avoid repeated description, specific steps of the carry-over and forwarding method based on the block chain are not described herein again.
The present embodiment further provides a computer readable medium, where a computer program is stored, and when the computer program is executed by a processor, the block chain-based carry number forwarding method provided in this embodiment is implemented, and for avoiding repeated descriptions, specific steps of the block chain-based carry number forwarding method are not described herein again.
It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than others, combinations of features of different embodiments are meant to be within the scope of the embodiments and form different embodiments.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims (11)

1. A block chain-based number portability method is characterized by comprising the following steps:
creating a network-switching three-party transaction; the network switching three-party transaction comprises a Mobile Subscriber Integrated Services Digital Network (MSISDN) number, an identifier of an operator to be switched out and an identifier of an operator to be switched in;
signing the network switching three-party transaction, and sending the signature to the operator to be switched out and the operator to be switched in so that the operator to be switched out and the operator to be switched in can sign the network switching three-party transaction;
acquiring a recovery transaction from a blockchain network, and signing the recovery transaction; the recovery transaction is initiated by the operator to be transferred out, and the recovery transaction comprises a first International Mobile Subscriber Identity (IMSI) provided by the operator to be transferred out or a first hash value obtained based on the first IMSI;
obtaining an allocation transaction from a blockchain network and signing the allocation transaction; the allocation transaction is initiated by the to-be-transferred operator, and the allocation transaction includes a second IMSI provided by the to-be-transferred operator or a second hash value obtained based on the second IMSI;
broadcasting the signed recycle transaction and the distribution transaction in a blockchain.
2. The method of claim 1, wherein the terminal that creates the network-switching three-party transaction is a physical SIM card;
the obtaining of the allocation transaction from the blockchain network and the signing of the allocation transaction comprise:
writing the international mobile subscriber identity IMSI and the matched data provided by the to-be-transferred operator into a white card supporting a space downloading function;
or, registering the SIM card with the IMSI in the to-be-transferred operator.
3. The method according to claim 1, wherein the terminal that creates the network-switching three-party transaction is an eSIM card;
the obtaining of the allocation transaction from the blockchain network and the signing of the allocation transaction comprise:
and downloading the eSIM containing the IMSI and the matched data from the operator to be switched in an online mode.
4. The method of claim 1, wherein the network-switched three-party transaction, the recycle transaction, and the distribution transaction are transmitted using a private chain.
5. A block chain-based number portability method is characterized by comprising the following steps:
acquiring a network switching three-party transaction, and broadcasting the network switching three-party transaction in a block chain after signing the network switching three-party transaction; the network switching three-party transaction comprises a Mobile Subscriber Integrated Services Digital Network (MSISDN) number, an identifier of an operator to be switched out and an identifier of an operator to be switched in;
creating a recycle transaction and signing the recycle transaction; the recovery transaction is initiated by the operator to be transferred out, and the recovery transaction comprises a first IMSI provided by the operator to be transferred out or a first hash value obtained based on the first IMSI;
and sending the signed recovery transaction to a user terminal so that the user terminal signs the signed recovery transaction.
6. The method of claim 5, wherein the signed reclaim transaction is sent to the user terminal via a private chain.
7. A block chain-based number portability method is characterized by comprising the following steps:
acquiring a network switching three-party transaction, and broadcasting the network switching three-party transaction in a block chain after signing the network switching three-party transaction; the network switching three-party transaction comprises a Mobile Subscriber Integrated Services Digital Network (MSISDN) number, an identifier of an operator to be switched out and an identifier of an operator to be switched in;
creating an allocation transaction, signing the allocation transaction; the allocation transaction is initiated by the to-be-transferred operator, and the allocation transaction includes a second IMSI provided by the to-be-transferred operator or a second hash value obtained based on the second IMSI;
and sending the signed distribution transaction to a user terminal so that the user terminal signs the signed distribution transaction.
8. The method of claim 7, wherein the signed allocation transaction is sent to the user terminal via a private chain.
9. A block chain-based number portability device, comprising:
the first establishing module is used for establishing network switching three-party transaction; the network switching three-party transaction comprises a Mobile Subscriber Integrated Services Digital Network (MSISDN) number, an identifier of an operator to be switched out and an identifier of an operator to be switched in;
the first signature module is used for signing the network switching three-party transaction;
the first sending module is used for sending the signed network switching three-party transaction to the operator to be switched out and the operator to be switched in so as to sign the network switching three-party transaction by the operator to be switched out and the operator to be switched in;
a first obtaining module, configured to obtain a recycle transaction and an allocation transaction from a blockchain network, where the recycle transaction is a transaction initiated by the to-be-transferred-out operator, and the recycle transaction includes a first IMSI provided by the to-be-transferred-out operator or a first hash value obtained based on the first IMSI; the allocation transaction is initiated by the to-be-transferred operator, and the allocation transaction comprises a second IMSI provided by the to-be-transferred operator or a second hash value obtained based on the second IMSI;
the first signature module is further used for signing the recovery transaction and the distribution transaction;
the first sending module is further configured to broadcast the signed recycle transaction and the signed distribution transaction in a blockchain.
10. A block chain-based number portability device, comprising:
the second acquisition module is used for acquiring the network switching three-party transaction; the network switching three-party transaction comprises a Mobile Subscriber Integrated Services Digital Network (MSISDN) number, an identifier of an operator to be switched out and an identifier of an operator to be switched in;
the second signature module is used for signing the network switching three-party transaction;
the second sending module is used for broadcasting the signed network switching three-party transaction to a block chain broadcast;
a second creation module to create a reclaim transaction;
the second signature module is further used for signing the recovery transaction; the recovery transaction is initiated by the operator to be transferred out, and the recovery transaction comprises a first IMSI provided by the operator to be transferred out or a first hash value obtained based on the first IMSI;
the second sending module is further configured to send the signed recycle transaction to a user terminal, so that the user terminal signs the signed recycle transaction.
11. A block chain-based number portability device, comprising:
the third acquisition module is used for acquiring the network switching three-party transaction;
the third signature module is used for signing the network switching three-party transaction;
the third sending module is used for broadcasting the signed network switching three-party transaction in a block chain; the network switching three-party transaction comprises a Mobile Subscriber Integrated Services Digital Network (MSISDN) number, an identifier of an operator to be switched out and an identifier of an operator to be switched in;
a third creation module to create a dispensing transaction; the allocation transaction is initiated by the to-be-transferred operator, and the allocation transaction includes a second IMSI provided by the to-be-transferred operator or a second hash value obtained based on the second IMSI;
the third signature module is further configured to sign the allocation transaction;
the third sending module is further configured to send the signed distribution transaction to the user terminal, so that the user terminal signs the signed distribution transaction.
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