TWI657382B - Equity document management method - Google Patents

Abstract

The present invention proposes an equity file management method, the method comprising: generating a group M public-private key pair; and subsequently generating an equity file by signing a contract between the individual user and the issuer, the rights file including from the group M N sets of public-private key pairs selected by the private key pair, each public-private key pair of the N sets of public-private key pairs respectively corresponding to each equity required by the individual user; based on the N a public-private key pair generates a registration data and private data held by the individual user, and the issuer publishes all public keys in the N sets of public-private key pairs; the individual user uses the registration The data performs a registration operation, and the third party verifies the validity of the equity document using the N sets of public and private key pairs provided by the individual user and the published public key associated therewith to Individual users redeem their rights. The disclosed equity document management method of the present invention enables registration of an equity document and can be verified by a third party and has high security.

Description

Equity document management method

The present invention relates to a file management method, and more particularly to an equity file management method.

At present, with the increasing popularity of computer and network applications and the growing variety of services in different fields, the management of equity documents (ie documents used to indicate the rights of the affiliation, such as bill documents in the financial sector) is managed (for example, The registration and verification of equity documents is becoming more and more important.

In the existing technical solution, the owner of the equity document (ie, the individual user) is usually responsible for managing the equity file in the physical entity form or the electronic form, and the issuer of the equity document is responsible for the authenticity verification of the equity file.

However, the above-mentioned prior art solution has the following problem: since there is no effective registration method only by the owner's own custody of the equity file, there is a potential hidden danger of illegal misappropriation, the security is low, and since only the issuer of the equity document can The validity of the equity document is verified, so the usage and the scenario are limited, which results in the use of the equity file is inefficient.

Therefore, there is a need to provide an equity document management method capable of registering an equity document and being verifiable by a third party and having high security.

In order to solve the problems of the above prior art solutions, the present invention proposes an equity document management method capable of registering an equity document and being verifiable by a third party and having high security.

The object of the present invention is achieved by the following technical solution: an equity file management method, the equity file management method comprising the following steps: (A1) generating a group M public-private key pair (P ₁ , S ₁ )... (P _M , S _M ), M is a positive integer greater than 1; and then generates an equity file by signing a contract between the individual user and the issuer, the equity file including the pair of public and private key pairs from the group M (P ₁ , S ₁ (P _M , S _M ) selected N sets of public-private key pairs (P ₁ , S ₁ )...(P _N , S _N ), where N is a positive integer less than M, the N sets of public and private secrets Each public-private key pair in the key pair (P ₁ , S ₁ )...(P _N ,S _N ) respectively corresponds to each equity required by the individual user; (A2) is based on the N-group public-private The key pair generates registration data and private data held by the individual user, and the issuer publishes all public keys P ₁ ... P _{N of} the N sets of public-private key pairs; (A3) the individual The user performs the registration operation using the registration data, and the third party uses the N sets of public and private key pairs provided by the individual user and is associated with the same Published public key to verify the validity of the rights of the file, in order to honor the rights of the individual user.

In the solution disclosed above, preferably, the step (A2) further comprises: (1) calculating a digest value H of the equity file, wherein if the generated equity file is a file in the form of a physical entity, then Taking a picture and calculating a digest value of the photo and using the calculated digest value as the digest value H of the equity file, and if the generated equity file is an electronic file, directly calculating the digest value of the electronic file and Using the calculated digest value as the digest value H of the equity file; (2) adding the basic information of the equity file and the verifiable individual user information K to the privacy of the N sets of public and private key pairs The key S _i (i=1...N) is recorded as T _i , and the combined digest value H _{i of} T _i and H is calculated accordingly; (3) the individual user will H and (H _i , K)(i =1...N) The registration operation is performed as registration material, and the photo and T _i are saved as private data.

In the solution disclosed above, preferably, the step (A3) further comprises: verifying and using the equity file in the following manner: when it is required to use a certain interest indicated by the equity file, the individual user Publish to the relevant third party the private key S _i that it holds that is associated with the benefit, and the third party then verifies whether the S _i is the private key of the corresponding public key P _i published by the issuer Key and verifying the current availability of the equity file based on the corresponding registered information, and if it is verified that the S _i is a private key of the corresponding public key P _i published by the issuer and the equity file is currently available, then the The interest indicated by S _i is valid and the third party subsequently redeems the interest.

In the embodiment disclosed above, preferably, said step (A3) further comprises: in the following manner based on the authentication information registered interest current availability of the file: a trusted network on a common S _i retrieve the file registry information related to the interests of If the equity document has registration information and has not been transferred, the equity document is currently available.

In the solution disclosed above, preferably, the individual user publishes his saved private key S _i associated with the right to the relevant third party via a public trusted network.

In the solution disclosed above, preferably, the S _i (i=1...N) is kept secret before being published by the individual user, and the issuer cannot repeatedly issue it.

In the solution disclosed above, preferably, the interest indicated in the equity document can be transferred by the transferor handing over H _i and S _i to the transferee, and the transferee can re-register The digest value H _i ' after combining the personal information of H _i and the transferee.

In the solution disclosed above, preferably, the equity document contains a project indicating whether the equity determined by the equity document is transferable.

The rights document management method disclosed by the present invention has the advantage that the rights file can be registered and can be verified by a third party, thereby having high security.

The technical features and advantages of the present invention will be better understood by those skilled in the art, in which: FIG. 1 is a flowchart of an equity file management method in accordance with an embodiment of the present invention.

1 is a flow chart of an equity file management method in accordance with an embodiment of the present invention. As shown in FIG. 1, the method for managing an equity file disclosed by the present invention includes the following steps: (A1) generating a group M public-private key pair (P ₁ , S ₁ )... (P _M , S _M ), where M is greater than 1 a positive integer; and then generate an equity document by signing a contract between the individual user and the issuer, the equity file including from the group M public-private key pair (P ₁ , S ₁ )... (P _M , S _M ) The selected N sets of public-private key pairs (P ₁ , S ₁ )...(P _N , S _N ), where N is a positive integer less than M, and the N sets of public-private key pairs (P ₁ , S ₁ Each public-private key pair in (P _N , S _N ) corresponds to each of the rights required by the individual user; (A2) generating registration data and the source based on the N sets of public-private key pairs Declaring private data held by an individual user, and the issuer publishes all public keys P ₁ ... P _{N of} the N sets of public and private key pairs (ie, the public key issued by the issuer is equivalent to a challenge, each The public key corresponds to a subsidiary interest, and the corresponding private key is a certificate of rights to own the equity; (A3) the individual user uses the registration data to perform the Operating, and the third party validates the validity of the equity document using the N sets of public and private key pairs provided by the individual user and the published public key associated therewith to redeem the individual user Equity (such as ownership, warranty, etc.).

Preferably, in the equity document management method disclosed in the present invention, the step (A2) further comprises: (1) calculating a digest value H of the equity file, wherein if the generated equity file is in the form of a physical entity a file (for example, a paper document), which is photographed and then calculates a digest value of the photo and uses the calculated digest value as the digest value H of the equity file, and if the generated equity file is an electronic file, Directly calculating the digest value of the electronic file and using the calculated digest value as the digest value H of the equity file; (2) basic information of the equity file (eg, title, date, etc.) and verifiable Personal user information K (eg, ID number, mobile number, mailing address, etc.) plus the private key S _i (i=1...N) of the N sets of public and private key pairs is recorded as T _i and Calculating the combined digest value H _{i of} T _i and H; (3) the individual user performs a registration operation by using H and (H _i , K) (i=1...N) as registration materials, and the photo is taken And T _i is saved as private data.

Preferably, in the method for managing an equity document disclosed in the present invention, the step (A3) further comprises: verifying and using the equity file in the following manner: when it is required to use an interest indicated by the equity file, The individual user announces to the relevant third party the private key S _i that it holds that is associated with the equity, and the third party then verifies whether the S _i is the corresponding public key P published by the issuer. a private key of _i and verifying the current availability of the equity file based on the corresponding registered information, and if the _SIP is verified to be the private key of the corresponding public key P _i published by the issuer and the equity file is currently available And the interest indicated by the S _i is valid, and the third party subsequently honors the equity.

Preferably, in the disclosed equity file management method of the present invention, the step (A3) further comprises: verifying the current availability of the equity file based on the registered information in the following manner: retrieving the S _i related on the public trusted network Equity document registration information, if the equity document has registration information and has not been transferred, the equity document is currently available.

Preferably, in the disclosed equity file management method of the present invention, the individual user publishes the saved private key S _i associated with the right to the relevant third party via the public trusted network.

Preferably, in the disclosed equity document management method, the S _i (i=1...N) is kept secret before being published by the individual user, and the issuer cannot repeatedly issue it (because the actual The owner can certify the H _i that he has registered, and prove the ownership of S _i . When two identical registration contents occur, the first registration is taken, and when it is difficult to arbitrate, the photo can be published to confirm the ownership).

Preferably, in the interests of the file management method disclosed in the present invention, the equity rights file can be indicated by the transferor H _i and S _i is transferred to the transferee embodiment are transferred and the transferee The digest value H _i ' of the merged personal information of the H _i and the transferee can be re-registered (when the transferee uses the equity, the transferor is consistent with the method of using the equity, and since the transfer process has been registered at H _i ' In the meantime, if the transferor wants to use or transfer the interest again, it cannot be implemented).

Preferably, in the disclosed equity document management method of the present invention, the equity document includes a project indicating whether the equity determined by the equity document is transferable.

As apparent from the above, the rights document management method disclosed by the present invention has the advantage that the rights file can be registered and can be verified by a third party, thereby having high security.

Although the invention has been described in terms of the preferred embodiments described above, the implementation forms are not limited to the embodiments described above. It will be appreciated that various changes and modifications can be made in the present invention without departing from the spirit and scope of the invention.

Claims (8)

An equity file management method, the equity file management method comprising the following steps: (A1) generating a group M public-private key pair (P ₁ , S ₁ )... (P _M , S _M ), where M is a positive integer greater than one And then generate an equity document by signing a contract between the individual user and the issuer, the equity file including the selected from the group M public-private key pair (P ₁ , S ₁ )...(P _M ,S _M ) N sets of public-private key pairs (P ₁ , S ₁ )...(P _N , S _N ), where N is a positive integer less than M, and the N sets of public-private key pairs (P ₁ , S ₁ )... Each public-private key pair in P _N , S _N ) respectively corresponds to each equity required by the individual user; (A2) generating registration data and by the individual user based on the N sets of public-private key pairs The saved private material, and the issuer publishes all the public keys P ₁ ... P _{N of} the N sets of public-private key pairs; (A3) the individual user performs the registration operation using the registration data, and The third party verifies the equity file using the N sets of public and private key pairs provided by the individual user and the published public key associated therewith Sex, to honor the rights of the individual user. The equity file management method according to claim 1, wherein the step (A2) further comprises: (1) calculating a digest value H of the equity file, wherein the generated equity file is a file in a physical entity form And taking a picture and calculating the digest value of the photo and using the calculated digest value as the digest value H of the equity file, and if the generated equity file is an electronic file, directly calculating the electronic file The digest value and the digest value calculated as the digest value H of the equity file; (2) adding the basic information of the equity file and the verifiable individual user information K to the N sets of public and private key pairs The private key S _i (i=1...N) is recorded as T _i , and then the combined digest value H _{i of} T _i and H is calculated; (3) the individual user will H and (H _i , K (i=1...N) performs a registration operation as a registration material, and saves the photo and T _i as private data. The rights document management method according to claim 2, wherein the step (A3) further comprises: verifying and using the equity file in a manner of: when it is required to use an interest indicated by the equity file, The individual user announces to the relevant third party the private key S _i that it holds that is associated with the right, and the third party then verifies whether the S _i is the corresponding public key P _i published by the issuer. a private key and verifying the current availability of the equity file based on the corresponding registered information, and if it is verified that the S _i is the private key of the corresponding public key P _i published by the issuer and the equity file is currently available, Then the interest indicated by the S _i is valid, and the third party subsequently honors the equity. The file management rights request entries method of claim 3, wherein said step (A3) further comprises: in the following manner based on the registered information about the current availability of the file verification interest: retrieving the web on the common trusted rights associated with S _i Document registration information, if the equity document has registration information and has not been transferred, the equity document is currently available. The rights document management method according to claim 4, wherein the individual user advertises the saved private key S _i associated with the right to the relevant third party via the public trusted network. The rights document management method according to claim 5, wherein the S _i (i=1...N) is kept secret before being published by the individual user, and the issuer cannot repeatedly issue the same. The file management rights request entries method of claim 6, wherein, in the interests of the rights file indicated by the transferor can be transferred to the S _i and H _i the way are transferred to the transferee, and the transferee can be The digest value H _i ' after the combination of the personal information of the H _i and the transferee is re-registered. The equity document management method according to claim 7, wherein the equity document includes a project indicating whether the equity determined by the equity document is transferable.