CN108985100A

CN108985100A - Element Security Proof method, apparatus, equipment and medium based on block chain

Info

Publication number: CN108985100A
Application number: CN201810931079.8A
Authority: CN
Inventors: 荆博
Original assignee: Beijing Baidu Netcom Science and Technology Co Ltd
Current assignee: Baidu Online Network Technology Beijing Co Ltd; Beijing Baidu Netcom Science and Technology Co Ltd
Priority date: 2018-08-15
Filing date: 2018-08-15
Publication date: 2018-12-11
Anticipated expiration: 2038-08-15
Also published as: CN108985100B

Abstract

The embodiment of the invention discloses a kind of element Security Proof method, apparatus, equipment and medium based on block chain.This method comprises: signing using office's deposit information that the key pair localized nodes of localized nodes store, the savings scale signature of element is obtained；The savings scale signature that the element is transmitted to block chain network, generates node by block in block chain network and user node is handled, and by savings scale signature as in Transaction Information write-in block chain.The embodiment of the present invention is by the way that affairs stored information to be transmitted in block chain network, the assets for providing element office for the user node in block chain network verify foundation, to realize the security verification to element office assets, the social public credibility of element office and the participation desire of user are improved.

Description

Element Security Proof method, apparatus, equipment and medium based on block chain

Technical field

The present embodiments relate to block chain technical field more particularly to a kind of element Security Proofs based on block chain Method, apparatus, equipment and medium.

Background technique

With the high speed development of block chain technology, decentralization, the safe and technical advantages such as anti-tamper have been obtained respectively The extensive concern in field.It is likely to supervene the excitation element (Token) with certain economic value in block chain network, Such as various digital tokens or user expect some reward elements obtained etc., to encourage users to participate in block chain network In.

In the existing block chain world, the office that can largely manage element comes into being.However according to statistics, high Element office up to 45% has all gone bankrupt, such as famous Mt.Gox office, although it is maximum in the world in bankruptcy Digital cash office.The account management of Mt.Gox office is chaotic, and the digital token for having diverted a large number of users is thrown Money adds hacker attack, can not finally repay the digital token assets of user, moves towards bankruptcy.

Therefore, the element safety in the prior art inside block chain is lower, reduces the public credibility and use of block chain The participation at family is experienced, so that many users hang back, affects the participation desire of user.And then how to provide digital asset Transaction-safe method of proof, so that the safety for improving element office is highly important.

Summary of the invention

The embodiment of the invention provides a kind of element Security Proof method, apparatus, equipment and medium based on block chain, The safety of element office assets can be proved in block chain network.

In a first aspect, the embodiment of the invention provides a kind of element Security Proof method based on block chain, by block Office's node in chain network executes, and office's node is described for being managed to the affairs of at least one element Method includes:

It is signed using office's deposit information that the key pair localized nodes of localized nodes store, obtains the storage of element Storage scale signature；

The savings scale signature that the element is transmitted to block chain network, generates node and use by block in block chain network Family node is handled, and by savings scale signature as in Transaction Information write-in block chain.

Second aspect, the element Security Proof method based on block chain that the embodiment of the invention provides a kind of, by block User node in chain network executes, which comprises

The inquiry request on block chain network chain；

It signs from being searched in the block chain of block chain network with the matched savings scale of inquiry request on the chain；

Wherein, the savings scale signature is the office's storage stored using the key pair office node of office's node Store what information was signed；

Office's node is for being managed the affairs of at least one element.

The third aspect, the element Security Proof method based on block chain that the embodiment of the invention provides a kind of, by block Block in chain network generates node and executes, which comprises

The savings scale signature that office's node is regularly sent is received, wherein savings scale signature is using office What office's deposit information of the key pair office node storage of node was signed；

It handles and by savings scale signature as in Transaction Information write-in block chain.

Fourth aspect, the embodiment of the invention provides a kind of element Security Proof device based on block chain are configured at Office's node in block chain network, office's node are described for being managed to the affairs of at least one element Device includes:

Savings scale signature generation module, the office's savings stored for the key pair localized nodes using localized nodes Information is signed, and the savings scale signature of element is obtained；

Savings scale signature transmission module, the savings scale for transmitting the element to block chain network is signed, by area Block generates node in block chain network and user node is handled, and savings scale signature is written as Transaction Information In block chain.

5th aspect, the embodiment of the invention provides a kind of element Security Proof device based on block chain are configured at User node in block chain network, described device include:

Inquiry request transmission module, for the inquiry request on block chain network chain；

Savings scale sign enquiry module, for from the block chain of block chain network search with the chain on inquiry request Matched savings scale signature；

Office's node is for being managed the affairs of at least one element.

6th aspect, the embodiment of the invention provides a kind of element Security Proof device based on block chain are configured at Block in block chain network generates node, and described device includes:

Savings scale signature receiving module is signed, wherein institute for receiving the savings scale that office's node is regularly sent Stating savings scale signature is that the office's deposit information stored using the key pair office node of office's node is signed It obtains；

Savings scale signature cochain module, for handling and by savings scale signature as Transaction Information write-in block In chain.

7th aspect, the embodiment of the invention provides a kind of equipment, comprising:

One or more processors；

Memory, for storing one or more programs；

When one or more of programs are executed by one or more of processors, so that one or more of processing Device realizes the element Security Proof method based on block chain provided by first aspect present invention embodiment；Or

When one or more of programs are executed by one or more of processors, so that one or more of processing Device realizes the element Security Proof method based on block chain provided by second aspect of the present invention embodiment；Or

When one or more of programs are executed by one or more of processors, so that one or more of processing Device realizes the element Security Proof method based on block chain provided by third aspect present invention embodiment.

Eighth aspect, the embodiment of the invention provides a kind of computer readable storage mediums, are stored thereon with computer journey Sequence is realized provided by first aspect present invention embodiment when the program is executed by processor by the office in block chain network The element Security Proof method based on block chain that node executes；Or

It realizes provided by second aspect of the present invention embodiment when the program is executed by processor by block chain network The element Security Proof method based on block chain that user node executes；Or

It realizes provided by third aspect present invention embodiment when the program is executed by processor by block chain network Block generates the element Security Proof method based on block chain that node executes.

Office's savings letter that the embodiment of the present invention stores localized nodes by office's node in block chain network Breath is signed, and the savings scale signature of element is obtained, and be transmitted in block chain network, so that the block in block chain generates Node and user node generate new block according to the savings scale signature of element and are verified, finally will savings scale signature As in Transaction Information write-in block chain.The embodiment of the present invention by the way that affairs stored information is transmitted in block chain network, The assets for providing element office for the user node in block chain network verify foundation, provide to realize to element office The security verification of production improves the social public credibility of element office and the participation desire of user.

Detailed description of the invention

Fig. 1 is a kind of flow chart for element Security Proof method based on block chain that the embodiment of the present invention one provides；

Fig. 2 is the flow chart of the savings scale of verifying office's node provided by Embodiment 2 of the present invention；

Fig. 3 is the topology example figure of Mei Keer tree in office's node provided by Embodiment 2 of the present invention；

Fig. 4 is the exemplary diagram of the Mei Keer subtree of extraction provided by Embodiment 2 of the present invention；

Fig. 5 is the flow chart of the savings preparation volume scale for verifying office's node that the embodiment of the present invention three provides；

Fig. 6 is a kind of flow chart for element Security Proof method based on block chain that the embodiment of the present invention four provides；

Fig. 7 is the flow chart of the savings scale for verifying office's node that the embodiment of the present invention five provides；

Fig. 8 is the flow chart of the savings preparation volume scale for verifying office's node that the embodiment of the present invention six provides；

Fig. 9 is the flow chart of the reliability for the determination office node that the embodiment of the present invention seven provides；

Figure 10 is a kind of flow chart for element Security Proof method based on block chain that the embodiment of the present invention eight provides；

Figure 11 is the flow chart for the auxiliary verifying savings preparation volume scale that the embodiment of the present invention nine provides；

Figure 12 is a kind of flow chart for element Security Proof method based on block chain that the embodiment of the present invention ten provides；

Figure 13 is a kind of structure for element Security Proof device based on block chain that the embodiment of the present invention 11 provides Schematic diagram；

Figure 14 is a kind of structure for element Security Proof device based on block chain that the embodiment of the present invention 12 provides Schematic diagram；

Figure 15 is a kind of structure for element Security Proof device based on block chain that the embodiment of the present invention 13 provides Schematic diagram；

Figure 16 is a kind of structural schematic diagram for equipment that the embodiment of the present invention 14 provides.

Specific embodiment

The embodiment of the present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this Locate described specific embodiment and is used only for explaining the embodiment of the present invention, rather than limitation of the invention.It further needs exist for Bright, only parts related to embodiments of the present invention are shown for ease of description, in attached drawing rather than entire infrastructure.

The technical solution of various embodiments of the present invention can be based on various independences in traditional independent block chain or super chain Block chain realize, the management and verifying carried out for element a certain in block chain.Wherein, super chain by basic chain with it is parallel Chain composition, basic chain can be used for establishing connection between various independent parallel chains, and parallel chain can be to be derived from by basic chain Made of, or be also possible to have the function of with basic chain reciprocity status and, may be based on basis chain go to establish, be managed with And carry out data exchange.It should be noted that participating in depositing between all nodes of basic chain and all nodes of participation parallel chain In overlapping relation.

Embodiment one

Fig. 1 is a kind of flow chart for element Security Proof method based on block chain that the embodiment of the present invention one provides, The present embodiment is applicable to the case where element office assets security is proved in block chain network, and this method can be by block chain Office's node in network executes, and wherein office's node can be the block chain link being located in the independent block chain of tradition Point, the block chain node being also possible in the basic chain of super chain network are also possible to positioned at the parallel of super chain network Block chain node in chain is also possible in the basic chain of super chain network and participates in the block chain node of parallel chain.It should Method can be executed by being configured at a kind of element Security Proof device based on block chain of office's node.This method is specific Include the following steps:

S110, it is signed using office's deposit information that the key pair localized nodes of localized nodes store, obtains member The savings scale signature of element.

In the specific embodiment of the invention, localized nodes refer to office's node in block chain network, for block The Transaction Information of element is managed in chain network.Office's deposit information, office's storage are wherein stored in office's node Store information may include the deposit size values of office, office Reserve Fund size values, participate in each user of deposit Identity information and deposit information etc..Element refers to that issues in block chain network can motivate user to participate in block chain network Reward is had certain economic value, is issued in block chain network usually in the form of digital token.For super link network Network, has issued that public credibility is strong, obtains the element of users' approval, such as bit coin in basic chain；And in its parallel chain The element identical or different with the element in basic chain can be issued in parallel chain, is based on base according to actual product demand The node that parallel chain is participated in plinth chain carries out the propagation and conversion of element.

Office's node in the present embodiment can be used for being managed same element, and then in order to improve this kind of member Public credibility and reliability of the element in block chain network, the present embodiment can use the key of localized nodes will be in office's node The affairs stored information of storage carries out ciphering signature, and to obtain the savings scale signature of element, i.e. current time office saves The stored deposit scale of point, and then propagate in block chain network, to meet the money in the block chain that user participates in it Produce the demand verified.

Specifically, the node in block chain network all contains a pair of secret keys, it is public key and private key respectively, wherein public key is public It opens in block chain network, private key is that node oneself saves.The content of private key encryption only has corresponding public key that could decrypt, Otherwise the content of public key encryption equally only has corresponding private key that could decrypt.Longer in view of public key length, enciphering rate is slower, this Embodiment preferably uses private key to carry out ciphering signature.The present embodiment can be based on asymmetric encryption signature algorithm, utilize office The private key of node carries out ciphering signature to affairs stored information, other nodes can after the savings scale signature for receiving element It is decrypted with the public key using office's node, to be verified.Or the present embodiment can also be signed based on symmetric cryptography Algorithm carries out ciphering signature to affairs stored information using the public key of office's node, other nodes are receiving element The public key that can use office's node after savings scale signature is decrypted, to be verified.

Optionally, using root node information data in the Mei Keer tree of element in the key pair localized nodes of localized nodes into Row signature obtains the savings scale signature of element.

In the specific embodiment of the invention, Mei Keer tree is the important data structures of block chain, and effect is quickly to conclude With the existence and integrality of verification block data.Mei Keer tree generally comprises the bottom transaction database of block body, operation Process is usually the data of block body to be grouped Hash, and the new cryptographic Hash of generation is inserted into Mei Keer tree, so Recurrence is until only remaining the last one root cryptographic Hash and being denoted as the Merkle root of block head.And then Mei Keer tree may include leaf section Point and the branch node and root node generated with corresponding two child nodes.

In the present embodiment, each leaf node is stored with the corresponding unique subscriber of the leaf node in the Mei Keer tree of element The cryptographic Hash of identity information, user's volume of savings and user's volume of savings, branch node and root node difference in Mei Keer tree It is stored with the cryptographic Hash of the sum of the sum of volume of savings of corresponding two child nodes and volume of savings.Wherein it is possible to understand, it should The cryptographic Hash of user's volume of savings is generated according to user's volume of savings, i.e., the storage volume in each node in Mei Keer tree with Cryptographic Hash is corresponding relationship.

S120, to block chain network transmission element savings scale signature, by block chain network block generate node and User node is handled, and savings scale signature is written in block chain as Transaction Information.

In the specific embodiment of the invention, block generates node and refers to that winning Current transaction in block chain network is handled The node of power can interact Transaction Information, is written and store.User node, which refers to, to be participated in send out in block chain network Node in the block chain of a certain element of row.Office's node and block generate node and user node and can be positioned at same zone Node in block chain.For super chain network, office's node, block generate node and user node and can be positioned at same base Node in plinth chain；It is also possible to the node being located in same parallel chain；Being also possible to office's node is to participate in parallel chain Node in basic chain, and block generates node and user node is located at the node in the parallel chain.The present embodiment is not to each section Point and the corresponding relationship of block chain network are defined, as long as office's node, block generate node and user node and can locate Manage identity element.

Specifically, office's node obtain element in real time or periodically savings scale signature when, by the storage of element Storage scale signature transmission is into block chain network, so that the node in block chain network receives the savings scale signature of element. Wherein, block generates node and generates new block according to the savings scale signature received, and is sent in block chain network Each user node, while user node generates new block also according to the savings scale signature received, and raw with block It is compared at the new block that node is sent, to be verified to savings scale signature, thus will savings scale signature conduct Transaction Information is written in block chain, to meet the demand that the assets in the block chain that user participates in it are verified.

In addition, stored in block chain savings scale signature on the basis of, office's node of the present embodiment can be with Response user proves the savings scale of office's node, i.e., asks in the individual savings proof for obtaining user node transmission After asking, proving that request is extracted from Mei Keer tree according to individual savings includes all node structures of user node savings data At Mei Keer subtree, and determine the timestamp of the Mei Keer subtree.And then sending to the user node includes the Mei Keer subtree And the timestamp of the Mei Keer subtree, by the user node according to Mei Keer subtree, the timestamp of Mei Keer subtree and area The savings scale signature stored in block chain verifies the savings scale of office's node.

In addition, stored in block chain savings scale signature on the basis of, office's node of the present embodiment can be with Response user proves the Reserve Fund scale of office's node, i.e., by initiating the element of preset savings preparation volume The transactions requests of the second account are gone to from the first account of office's node；Node, which is generated, to block sends the transactions requests, the One account information and the second account information.So that block generates the node processing transactions requests, and affairs are sent to user node The processing result of request, the first account information and the second account information, by user node according to transactions requests processing result, the The savings of one account information and second account information verifying office's node prepare volume scale.And then pass through the affairs that will transfer accounts It is successfully written in block chain, so that user, which knows that office's node is currently stored, a certain number of deposit Reserve Fund scales, with It can flexibly be propagated in block chain network for the element that office is managed.

Wherein, when verifying Reserve Fund scale, it can also specifically receive block and generate the verifying character string that node is sent； Verifying character string is signed to obtain the first signature using the private key of the first account, using the private key of the second account to authenticator Symbol string is signed to obtain the second signature；Node, which is generated, to block sends transactions requests, the first signature, the second signature, the first account The public key of the public key at family and the second account.It is asked so that block generates node processing transactions requests and sends affairs to user node The public key of processing result, the first signature, the second signature, the public key of the first account and the second account asked.And then in block chain Encryption in network by office's node to verifying character string generates write-in of the node to Transaction Information of transferring accounts in conjunction with block, And user node is when it is true for knowing affairs of transferring accounts, the decryption and matching to verifying character string, to prove the affairs of transferring accounts Same office's node is belonged to public key, and public key and private key are exact matchings, are realized to office's Reserve Fund scale Verifying.Correspondingly, office's node in the subsequent transaction for continuing with element, needs to have savings preparation volume from currently stored Account is handled.

The technical solution of the present embodiment, the office that localized nodes are stored by office's node in block chain network Deposit information is signed, and the savings scale signature of element is obtained, and be transmitted in block chain network, so that the area in block chain Block generates node and user node and generates new block according to the savings scale signature of element and verified, and finally advises savings Mould signature is as in Transaction Information write-in block chain.The embodiment of the present invention is by being transmitted to block link network for affairs stored information In network, the assets for providing element office for the user node in block chain network verify foundation, to realize to element thing The security verification for institute's assets of being engaged in, improves the social public credibility of element office.

Embodiment two

The present embodiment on the basis of the above embodiment 1, provides the element Security Proof method based on block chain One preferred embodiment is able to demonstrate that the savings scale of office's node.Fig. 2 is verifying thing provided by Embodiment 2 of the present invention Be engaged in institute's node savings scale flow chart, as shown in Fig. 2, this method comprising the following specific steps

S210, it is carried out using root node information data in the Mei Keer tree of element in the key pair localized nodes of localized nodes Signature obtains the savings scale signature of element.

In the specific embodiment of the invention, the bottom Transaction Information and and Transaction Information of block body are included in Mei Keer tree Corresponding cryptographic Hash, and recurrence is until only remaining the last one root cryptographic Hash and being denoted as the Merkle root of block head.And then Mei Keer The branch node and root node that may include leaf node and generate with corresponding two child nodes are set, wherein the plum gram of element Each leaf node is stored with the corresponding unique user identity information of the leaf node, user's volume of savings and the use in your tree The cryptographic Hash of family volume of savings, branch node and root node are stored with the volume of savings of corresponding two child nodes respectively in Mei Keer tree The sum of and the sum of volume of savings cryptographic Hash.

Fig. 3 is the topology example figure of Mei Keer tree in office's node.From the figure 3, it may be seen that being stored with user in user account Identity (ID) and element the savings amount of money (Token Amount), the corresponding leaf node for generating Mei Keer tree includes The cryptographic Hash (Hash1) and the savings amount of money of corresponding user.Branch node is generated by two leaf nodes, includes in branch node The sum of savings amount of money of two leaf nodes (Total Token Amount from Account A/B) and savings the amount of money it The new cryptographic Hash (Hash5) of sum.And then such upward recurrence, until only one root node, which includes all accounts The sum of the savings amount of money the sum of (Total Token Amount from All Account) and the savings amount of money of all accounts New cryptographic Hash (Hash7).Therefore the volume of savings in each node is corresponding relationship with cryptographic Hash, and along Mei Keer It sets to the direction of root node and extends, each branch node and root node are in accordance with what its corresponding two child node generated, with As in root node data and cryptographic Hash be to be generated according to all child nodes, and then root node information data in Mei Keer tree The deposit scale situation withdrawn deposit in office's node can effectively verify deposit according to root node information data in Mei Keer tree The correctness of scale.

Correspondingly, the present embodiment uses the key of office's node, preferably private key, it can be only to element in transaction nodes Mei Keer tree in root node information data carry out ciphering signature, in real time or periodically updated according to each moment issued transaction The root node information data of Mei Keer tree afterwards obtain the savings scale comprising all deposit informations of element and sign.Therefore block It is stored with the savings scale signature with different time stamp in chain, and avoids to the privacy of user in Mei Keer tree node Leakage.

S220, to block chain network transmission element savings scale signature, by block chain network block generate node and User node is handled, and savings scale signature is written in block chain as Transaction Information.

In the specific embodiment of the invention, office's node is in the savings scale signature for obtaining element in real time or periodically When, by the savings scale signature transmission of element into block chain network, so that the node in block chain network receives element Savings scale signature.Wherein, block generates node and generates new block according to the savings scale signature received, and is sent to area Each user node in block chain network, while user node generates new area also according to the savings scale signature received Block, and generate the new block that node is sent with block and be compared, to be verified to savings scale signature, thus will savings Scale signature is verified as in Transaction Information write-in block chain with meeting the assets in the block chain that user participates in it Demand.

S230, the individual savings proof request that user node is sent is obtained, extracting from Mei Keer tree includes that the user saves All nodes of point savings data constitute Mei Keer subtree, and determine the timestamp of the Mei Keer subtree.

In the specific embodiment of the invention, individual savings proves that request refers to that user node exists for verifying office's node Whether the office's storage size for the savings scale signature display issued in block chain network accurately requests.It is deposited in block chain On the basis of the savings scale signature of storage, when office's node, which obtains the individual savings that user node is sent, proves request, thing Institute's node response individual savings proof of being engaged in is requested, and extraction includes the institute of user node savings data from current Mei Keer tree There is node to constitute Mei Keer subtree, while determining the Mei Keer subtree current generation time；Or it is proved from individual savings The Mei Keer subtree extracted in the consistent Mei Keer tree of the timestamp information that request includes, timestamp are that individual savings proves The timestamp information that request includes.Foundation is provided for the verification of data for user node, and will not be revealed in block chain network The privacy of other users.

Illustratively, Fig. 4 is the exemplary diagram for the Mei Keer subtree extracted.As seen from the figure, user account D is initiated to office Certification of deposit, storing data of office's node according to user account D, by all plums gram comprising user account D storing data Node extraction in your tree comes out, and to constitute for verifying the Mei Keer subtree of storage size, and records the Mei Keer subtree Extraction time.

S240, the timestamp including Mei Keer subtree and Mei Keer subtree is sent to the user node, is saved by the user The savings scale stored in the timestamp and block chain of foundation Mei Keer subtree, Mei Keer subtree is put to sign to office's node Savings scale verified.

In the specific embodiment of the invention, office's node proves request in the personal storage of response user node, determines After Mei Keer subtree and its timestamp, the timestamp of Mei Keer subtree and Mei Keer subtree is sent to corresponding user and is saved Point.So that user node according to Mei Keer subtree timestamp, stored in block chain network savings scale signature in find Savings scale signature corresponding with the timestamp, thus by the check and correction of information, each node in each node in Mei Keer subtree The matching of the middle savings amount of money and cryptographic Hash and the consistency judgement of Mei Keer subtree and information in corresponding savings scale signature, Realize that user node verifies savings scale.Wherein, if Information Proofreading is correct, the savings amount of money and Hash values match successfully and Mei Keer subtree and information in corresponding savings scale signature are completely the same, then prove the savings scale that office's node is announced It is correctly, office's node reliability is higher, it is easier to more users be attracted to participate.

The technical solution of the present embodiment is advised the savings of encrypted element by office's node in block chain network Mould signature transmission is simultaneously written in block chain, to be used to prove that the individual savings of savings scale to prove request obtaining user node Afterwards, the corresponding Mei Keer subtree comprising storage information data and its timestamp are sent to corresponding user node, to use Family node according to Mei Keer subtree, Mei Keer subtree timestamp and block chain in the savings scale that stores sign to office The savings scale of node is verified.The embodiment of the present invention by the way that affairs stored information is transmitted in block chain network, and The verification request of user is responded, the assets for providing element office for the user node in block chain network verify foundation, thus The security verification to element office assets is realized, the social public credibility of element office is improved.

Embodiment three

The present embodiment provides the element Security Proof method based on block chain on the basis of above-described embodiment two One preferred embodiment is able to demonstrate that affairs in the above-described embodiments on the basis of the savings scale of proof office's node The savings of institute's node prepare volume scale.Fig. 5 is that the savings for verifying office's node that the embodiment of the present invention three provides prepare volume rule The flow chart of mould, as shown in figure 5, this method comprising the following specific steps

S510, it is carried out using root node information data in the Mei Keer tree of element in the key pair localized nodes of localized nodes Signature obtains the savings scale signature of element.

It, can be only to transaction nodes using the key of office's node, preferably private key in the specific embodiment of the invention Root node information data carry out ciphering signature in the Mei Keer tree of middle element, in real time or periodically according to each moment office The root node information data for managing updated Mei Keer tree obtain the savings scale comprising all deposit informations of element and sign.Cause It is stored with the savings scale signature with different time stamp in this block chain, and avoids to the user in Mei Keer tree node The leakage of privacy.

S520, to block chain network transmission element savings scale signature, by block chain network block generate node and User node is handled, and savings scale signature is written in block chain as Transaction Information.

S530, it initiates the element of preset savings preparation volume going to the second account from the first account of office's node Transactions requests.

In the specific embodiment of the invention, the savings preparation volume of office's node, which is that office's node is daily, can all be stored A certain number of element deposits, for that should carry out daily element interactions to the block chain where element, while reducing office The probability of ruin of node.Deposit preparation volume amount value be office's node predefine and issue in block chain network. First account is the account for being used to store savings preparation volume that office's node is possessed, and the second account is equally office's node What is possessed is used to receive the account of savings preparation volume, and the first account and the second account are all by office's node control, and its angle Color is interchangeable.

Specifically, office's node in the present embodiment is when carrying out savings preparation volume scale verifying, in order to prove affairs Institute's node possesses a certain number of savings preparation volumes, and office's node will do it affairs of once transferring accounts, can control at itself It carries out processing of transferring accounts between two accounts, i.e., the element of preset savings preparation volume is gone to the from the first account of office's node Two accounts, and initiate the transactions requests comprising this affairs of transferring accounts.

S540, node transmission transactions requests, the first account information and the second account information are generated to block, generated by block Transactions requests described in node processing, and to user node send transactions requests processing result, the first account information and the second account Family information verifies office according to the processing result of transactions requests, the first account information and the second account information by user node The savings of node prepare volume scale.

In the specific embodiment of the invention, the first account information and the second account information may include the mark of corresponding account And key.Transactions requests, the first account information and the second account information are sent to block and generate node by office's node, so that Block generates node and handles transactions requests, obtains the processing result of transactions requests, the i.e. associated number of transactions of transactions requests According to whether being written in block chain.And then block generates node and sends processing result, the first account information and the second account information To user node, so that the processing result judgement of user node foundation transactions requests is transferred accounts, whether affairs are that very, i.e., office saves Whether point possesses enough savings preparation volumes, and the savings according to the first account information and the second account information to office's node The verifying of preparation volume scale.

Specifically, in order to verify whether the key for office's node that the node transferred accounts is possessed with user is derived from together One node, and verify the key that is possessed of user and whether the initiator for affairs of transferring accounts derives from same office's node, it is optional , it receives block and generates the verifying character string that node is sent；Verifying character string sign using the private key of the first account To the first signature, verifying character string is signed to obtain the second signature using the private key of the second account；Node is generated to block The public key for sending transactions requests, the first signature, the second signature, the public key of the first account and the second account, is generated by block and is saved Point processing transactions requests and processing result, the first signature, the second signature, first account that transactions requests are sent to user node The public key of public key and the second account.

In the specific embodiment of the invention, verifying character string is to generate node timing by block to issue in block chain network An arbitrary character string.The present embodiment is based on asymmetric encryption signature algorithm, the matched public affairs of a pair possessed according to account Key and private key carry out ciphering signature and decryption to verifying character string.

Specifically, office's node is when carrying out savings preparation volume verifying, when receiving the verifying character string, using the The private key of one account to verifying character string signed to obtain the first signature, using the second account private key to verifying character string into Row signature obtains the second signature.To which office's node will save transactions requests, the first signature, the second label that preparation volume is transferred accounts The public key of name, the public key of the first account and the second account is sent to block and generates node.And then block generates node for affairs The processing result of request, the first signature, the second signature, the public key of the first account and the second account public key be sent to use together Family node.Finally, user node can judge that office saves according to the associated Transaction Information of transactions requests in write-in block chain Point is currently stored a certain number of deposit Reserve Fund scales, while the verifying character string after public key decryptions is raw with block respectively It is matched at the verifying character string that node is issued, proves that this transfers accounts affairs and public key belongs to same affairs if successful match Institute's node, and public key and private key are exact matchings, realize the verifying to office's Reserve Fund scale.

The technical solution of the present embodiment is advised the savings of encrypted element by office's node in block chain network Mould signature transmission is simultaneously written in block chain, and when carrying out the proof of savings preparation volume scale, office's node is initiated savings and prepared The transactions requests of transferring accounts of volume, and the verifying character string of node publication is generated to block, using the private key pair of the user for transferring accounts It verifies character string and carries out ciphering signature, to be added some points by block generation by the processing result of transactions requests, the first signature, second The public key of signature, the public key of the first account and the second account is sent to user node together, so that user node carries out affairs The verifying of institute's Reserve Fund scale.The embodiment of the present invention is passed through by the way that affairs stored information to be transmitted in block chain network The form of character string signature is transferred accounts and verified to savings preparation volume, provides element office for the user node in block chain network Assets verifying foundation to realize the security verification to element office assets improve the society of element office Public credibility.

Example IV

Fig. 6 is a kind of flow chart for element Security Proof method based on block chain that the embodiment of the present invention four provides, The present embodiment is applicable to the case where element office assets security is proved in block chain network, and this method can be by block chain User node in network executes, and wherein user node can be the block chain node being located in the independent block chain of tradition, It can be the block chain node in the basic chain of super chain network, be also possible in the parallel chain of super chain network Block chain node.This method can be held by being configured at a kind of element Security Proof device based on block chain of user node Row.This method specifically comprises the following steps:

S610, the inquiry request on block chain network chain.

In the specific embodiment of the invention, user node can access and inquire to block chain network, user node The various Transaction Informations in block chain network can be inquired intra vires, and block is transmitted in the form of inquiry request on chain In chain network.Wherein, it may include user node on chain in inquiry request for any additional information when inquiring.Such as it can be with It include query time information, subscriber identity information or element species information etc..

S620, it signs from lookup in the block chain of block chain network and the matched savings scale of inquiry request on chain.

In the specific embodiment of the invention, savings scale signature is deposited using the key pair office node of office's node What office's deposit information of storage was signed；Office's node is for being managed the affairs of at least one element. Therefore each time or period corresponding savings scale signature are stored in block chain.Specifically, savings scale signature is to adopt It is signed with the private key of office's node to root node information data in the Mei Keer tree of element in office's node； Wherein, each leaf node is stored with the corresponding unique user identity information of the leaf node, the use in the Mei Keer tree of element The cryptographic Hash of family volume of savings and user's volume of savings, branch node and root node are stored with corresponding two respectively in Mei Keer tree The cryptographic Hash of the sum of volume of savings of a child node and the sum of volume of savings.

User node in the present embodiment according to inquiry request on chain, can be searched from the block chain of block chain network and The matched savings scale signature of inquiry request, storage of the public key to obtaining according to the office's node possessed in user node on chain Storage scale signature be decrypted, thus obtain savings scale signature in include office's node savings size values, for Family node provides foundation for the verifying of the savings scale of office's node and the verifying of savings preparation volume scale.

User node in the present embodiment can send individual savings proof and ask on the basis of inquiring on being able to carry out chain It asks, the information such as subscriber identity information, timestamp and the element that request includes is proved by individual savings, from block chain network Inquiry obtains the Mei Keer subtree comprising user identity and storing data and the timestamp of the Mei Keer subtree, while from block Inquiry obtains savings scale signature corresponding with the timestamp of the Mei Keer subtree in chain network, and then user node passes through to plum The check and correction of information in each node in Ke Er subtree, the matching that the amount of money and cryptographic Hash are saved in each node and Mei Keer subtree with it is right The consistency judgement of information, realizes that user node verifies savings scale in the savings scale signature answered.

In addition, the user node in the present embodiment is inquired on being able to carry out chain and is advised to the savings in office's node On the basis of mould is verified, volume can also be prepared to the savings of office's node and verified.Carried out in office's node After savings preparation volume is transferred accounts between oneself controllable account, the processing that block generates the transactions requests of node-node transmission is obtained As a result, the first account information and the second account information.Wherein, transactions requests are office's node initiation preset savings are quasi- The element of standby volume goes to the request of the second account from the first account of office's node；First account information is that office's node is adopted The first signature signed with the private key of the first account to verifying character string；Second account information is that office's node is adopted The second signature signed with the private key of the first account to verifying character string；Verifying character string is that block generation node exists It is periodically issued in block chain network.And then user node can processing result, the first account according to the transactions requests of acquisition The savings of information and the second account information, verifying office's node prepare volume scale.

By user node inquiry request on chain occurs into block chain network for the technical solution of the present embodiment, so as to Enough find from block chain network is signed with the matched savings scale of inquiry request on chain.It realizes from block chain network to thing The function inquired of savings scale of business institute, the assets for providing element office for the user node in block chain network are verified Foundation improves social public credibility and the user of element office so as to the security verification to element office assets Participation desire.

Embodiment five

The present embodiment provides the element Security Proof method based on block chain on the basis of above-described embodiment four One preferred embodiment, user node in the above-described embodiments are able to carry out on chain on the basis of inquiry, are able to demonstrate that thing The savings scale of business institute's node.Fig. 7 is the flow chart of the savings scale for verifying office's node that the embodiment of the present invention five provides, As shown in fig. 7, this method comprising the following specific steps

S710, individual savings proof request is sent to office's node.

In the specific embodiment of the invention, individual savings proves that request refers to that user node exists for verifying office's node Whether the office's storage size for the savings scale signature display issued in block chain network accurately requests.Wherein may include Subscriber identity information and timestamp etc..And then when user node needs to verify the savings scale of office's node, Individual savings, which can be generated, proves request, and sends individual savings proof request to office's node.Due to element in block chain Deposit information be stored in the Mei Keer tree of office's node, based on the production Methods of Mei Keer tree entirety, the letter of storage Breath is all that recurrence generates.Therefore user node can request the personal storing data obtained according to by individual savings proof, The savings scale of office's node is verified.

S720, the response individual savings proof request of office's node returned Mei Keer subtree and Mei Keer are received The timestamp of tree.

In the specific embodiment of the invention, Mei Keer subtree is extracted from Mei Keer tree including localized nodes savings number According to all nodes constitute, can be office's node is extracted from current Mei Keer tree including the user node savings data All nodes constitute Mei Keer subtree, be also possible to office's node from individual savings prove request include timestamp believe Cease the Mei Keer subtree extracted in consistent Mei Keer tree.Correspondingly, the timestamp of Mei Keer subtree can refer to Mei Keer It sets the current generation time, or proves the timestamp information that request includes for individual savings.And then user node receives affairs Institute's node responds individual savings and proves to request the timestamp of returned Mei Keer subtree and Mei Keer subtree, for affairs The savings scale of institute's node is verified.

S730, according to Mei Keer subtree, Mei Keer subtree timestamp and block chain in store savings scale signature, The savings scale of office's node is verified.

In the specific embodiment of the invention, each moment or period corresponding savings scale label are stored in block chain Name, and then the storage stored in timestamp and block chain of the user node according to the Mei Keer subtree, Mei Keer subtree that receive Storage scale signature, verifies the savings scale of office's node.

Optionally, savings scale signature corresponding with timestamp is obtained from block chain；According to Mei Keer subtree and obtain The savings scale signature taken, verifies the savings scale of office's node.

In the specific embodiment of the invention, timestamp of the user node according to Mei Keer subtree stores in block chain Find corresponding with timestamp savings scale signature in savings scale signature, and according to the public key of office's node to finding Savings scale signature is decrypted, to obtain the savings scale that office's node corresponds to the time, thus by Mei Keer subtree In the check and correction of information in each node, matching and Mei Keer subtree and corresponding savings that the amount of money and cryptographic Hash are saved in each node The consistency judgement of the solution confidential information of scale signature, realizes that user node verifies savings scale.

Optionally, if savings scale signature in deposit information and deposit information cryptographic Hash respectively with Mei Keer subtree The deposit information of middle root node and the cryptographic Hash of deposit information are identical；Also, the volume of savings letter of each node in Mei Keer subtree It ceases and corresponding volume of savings Hash values match, it is determined that the savings scale of office's node is accurate.

In the specific embodiment of the invention, if the cryptographic Hash point of deposit information and deposit information in savings scale signature It is not identical as the cryptographic Hash of the deposit information of root node in Mei Keer subtree and deposit information, then illustrate the plum gram of user node Your subtree is consistent with the information in savings scale signature.The volume of savings information of each node is errorless in Ruo Meikeer subtree, then proofreads In Mei Keer subtree in each node information itself correctness.If according to volume of savings errorless in each node in Mei Keer subtree The cryptographic Hash that information is calculated and corresponding volume of savings Hash values match, and along Mei Keer subtree to the direction of root node, The volume of savings information and volume of savings cryptographic Hash that step-by-step recursion is calculated in each node are errorless, then illustrate the information in each node And match.It and then can be accurate with the savings scale of comprehensive descision office node.

The technical solution of the present embodiment, user node be able to carry out on chain inquire on the basis of, user node pass through to Office's node, which sends individual savings, proves request, with obtain the Mei Keer subtree that is constituted of all nodes comprising user data and Its timestamp, thus according to the savings scale signature stored in Ke Er subtree, the timestamp of Mei Keer subtree and block chain, it is right The savings scale of office's node is verified.The embodiment of the present invention user node be able to carry out on chain inquire on the basis of, It realizes and the savings scale in office's node is verified, to provided for user to the measurement of office's reliability Foundation is imitated, the safety of user's fund and the social public credibility of element office are improved.

Embodiment six

The present embodiment provides the element Security Proof method based on block chain on the basis of above-described embodiment five One preferred embodiment, user node in the above-described embodiments, which is able to carry out on chain, to be inquired and in office's node On the basis of savings scale is verified, it is able to demonstrate that the savings of office's node prepare volume scale.Fig. 8 is the embodiment of the present invention The flow chart of the savings preparation volume scale of the six verifying office's nodes provided, as shown in figure 8, this method includes walking in detail below It is rapid:

S810, the savings scale progress according to Mei Keer subtree and the savings scale of acquisition signature, to office's node Verification.

S820, processing result, the first account information and the second account that block generates the transactions requests of node-node transmission are obtained Information.

In the specific embodiment of the invention, transactions requests are the members by preset savings preparation volume that office's node is initiated Element goes to the request of the second account from the first account of office's node.Block generates node and is receiving the transmission of office's node Transactions requests after, which is handled, generation includes the new block of the associated Transaction Information of transactions requests, Transaction Information is written in block chain or is abandoned according to the verifying to new block, i.e., block generates node for the place of transactions requests Manage result.First account information is office's node signed using the private key of the first account to verifying character string the One signature；Second account information is office's node signed using the private key of the first account to verifying character string the Two signatures.Wherein, verifying character string is the arbitrary character string that block generates that node timing is issued on block chain.In turn The available block of user node generates processing result, the first account information and the second account letter of the transactions requests of node-node transmission Breath.

Processing result, the first account information and the second account information for the transactions requests that S830, foundation obtain, verify affairs The savings of institute's node prepare volume scale.

In the specific embodiment of the invention, the processing result according to transactions requests may determine that office's node for savings The authenticity of preparation volume transferred accounts.It may determine that the affairs that user node possesses according to the first account information and the second account information Whether the key of institute's node correct and whether key and transactions requests are derived from same office's node.

Optionally, if transactions requests are handled successfully, and the first signature is decrypted to obtain using the public key of the first account The first character string, and using the second account public key to second the second character string for being decrypted of signature with verifying Character string is identical, it is determined that office's node has the element of savings preparation volume.

In the specific embodiment of the invention, when the Transaction Information that include office's node will save preparation volume and transfer accounts When being written in block chain, i.e., transactions requests are handled successfully, then can determine that office's node is currently stored has a certain number of storages Standby Reserve Fund scale, savings preparation volume affairs of transferring accounts are true.User node can obtain block and generate node in block chain simultaneously The verifying character string of upper publication, user node are decrypted the first signature using the public key of the first account of office's node To the first character string, the second character that the second signature is decrypted using the public key of the second account of office's node String, and then the first character string and the second character string are generated into the verifying character string that node is issued with block respectively and matched, if The first character string that decryption obtains is identical as verifying character string, and the second character string that decryption obtains is identical as verifying character string, Then may determine that whether the key for office's node that user node possesses correct, and key whether be derived from transactions requests it is same Office's node.In turn, whether the authenticity and key and transactions requests that foundation savings preparation volume is transferred accounts are derived from same affairs Institute's node, it is determined that office's node has the element of savings preparation volume, and the savings of office's node prepare volume scale and tested Card.

The technical solution of the present embodiment is able to carry out on chain in user node and inquires and to the savings in office's node On the basis of scale is verified, user node generates saving for office's node for node transmission by obtaining block The processing result for the transactions requests that preparation volume is transferred accounts, the public key of the first account, the public key of the second account, the first signature and the second label Name prepares volume scale to the savings of office's node and verifies.The embodiment of the present invention is able to carry out on chain in user node and looks into On the basis of asking and being verified to the savings scale in office's node, realizes and the savings in office's node are prepared Volume scale is verified, to provide effective foundation to the measurement of office's reliability for user, improves user's fund The social public credibility of safety and element office.

Embodiment seven

The present embodiment provides the element Security Proof method based on block chain on the basis of above-described embodiment six One preferred embodiment can after the savings scale and savings preparation volume scale for carrying out office's node are verified Determine the reliability of office's node.Fig. 9 is the process of the reliability for the determination office node that the embodiment of the present invention seven provides Figure, as shown in figure 9, this method comprising the following specific steps

S910, the savings scale signature that acquisition office's node is issued in current slot from block chain network, and according to Current deposit information is determined according to the savings scale signature of acquisition.

In the specific embodiment of the invention, when savings scale of the user node for office's node is effectively verified, The savings scale signature for then obtaining the newest publication of current slot office node is worked as according to the savings scale signature determination obtained Preceding deposit information, and obtain the specific value of the corresponding savings scale of current deposit information.

S920, foundation savings preparation volume and current deposit information determine current preparation volume ratio value.

In the specific embodiment of the invention, obtained effectively when user node prepares volume scale for the savings of office's node Verifying, then can determine savings that office's node issues in advance prepare volume be correctly, and then will savings preparation volume divided by working as The specific value of the corresponding savings scale of preceding deposit information, can determine the current preparation of savings preparation volume and current deposit information Volume ratio value.

S930, the preparation volume proportion threshold value being provided previously according to current preparation volume ratio value and office's node, determine thing The reliability of business institute's node.

In the specific embodiment of the invention, the preparation volume proportion threshold value that office's node is provided previously is office to the public It promises to undertake, the ratio of the specific value of can do by myself the savings preparation volume at least held and the corresponding savings scale of current deposit information Threshold value, and be published in block chain network in advance, in case the user node in block chain network is verified.And then according to current The preparation volume proportion threshold value that preparation volume ratio value and office's node are provided previously, that is, can determine the reliability of office's node. It is understood that user node can determine the affairs if currently preparing volume ratio value is not less than preparation volume proportion threshold value Institute's node is reliable, and then user node can trust the block chain participated in where the element that office's node is managed, and Relevant transaction is carried out, to store or improve the savings amount of element in user node, brings bigger be benefited for user；Conversely, If currently prepare volume ratio value be less than preparation volume proportion threshold value, user node can determine office's node be it is unreliable, And then user node can avoid or reduce dependence and relevant transaction for office's node, to ensure that user The safety of node elements.

Illustratively, it is assumed that the preparation volume proportion threshold value that office's node is provided previously is X%, and current deposit information is corresponding Savings scale specific value, that is, savings scale be M, and savings preparation volume be N, then currently prepare volume ratio value be N/M. And then volume proportion threshold value X will be prepared and be compared with the current volume ratio value N/M for preparing, only when N/M is not less than X, then illustrate The Reserve Fund that office's node has fulfiled oneself promises to undertake that the reliability of office's node is higher, improves the peace that user stores fund Full property and the participation desire of user.

The technical solution of the present embodiment, user node to office's node savings scale and savings preparation volume scale into It is quasi- by the specific value, the savings that obtain the corresponding savings scale of the current deposit information of office's node after row effectively verifying The preparation volume proportion threshold value that standby volume and office's node are provided previously, judges the reliability of office's node.The present invention is implemented Example on the basis of verifying effective office's node to savings scale and savings preparation volume scale, user node is by working as Preceding preparation volume ratio value realizes the verifying to office's node reliability compared with preparing volume proportion threshold value, thus to use Family provides effective foundation to the measurement of office's reliability, improves the safety of user's fund and the society of element office It can public credibility.

Embodiment eight

Figure 10 is a kind of flow chart for element Security Proof method based on block chain that the embodiment of the present invention eight provides, The present embodiment is applicable to the case where element office assets security is proved in block chain network, and this method can be by block chain Block in network generates node and executes, and wherein block, which generates node, can be the block chain being located in the independent block chain of tradition Node, the block chain node being also possible in the basic chain of super chain network are also possible to positioned at the flat of super chain network Block chain node in row chain is also possible in the basic chain of super chain network and participates in the block chain node of parallel chain. This method can be executed by being configured at a kind of element Security Proof device based on block chain of block generation node.This method Specifically comprise the following steps:

S1010, the savings scale signature that office's node is regularly sent is received.

In the specific embodiment of the invention, office's node is managed to the Transaction Information of element in block chain network Node, office's deposit information is stored in office's node, office's deposit information may include the deposit rule of office The identity information for each user that mould information, the Reserve Fund size values of office, participation are deposited and deposit information etc..Savings rule Mould signature is that the office's deposit information stored using the key pair office node of office's node is signed.

Specifically, savings scale signature can be the plum by office's node using its private key to element in office's node The root node information data of Ke Er tree carry out ciphering signature and obtain.Office's node is carrying out pipe to the element in block chain network When reason, the case where disposition and each user account according to element affairs involved in block chain, the moment is to Mei Keer tree In deposit information be updated, and along the direction of root node simultaneously recurrence update Mei Keer tree each node in savings Information and its corresponding cryptographic Hash to summarize into root node, and then contain the savings in all child nodes in root node Information simultaneously generates corresponding cryptographic Hash.Correspondingly, office's node can in real time or periodically believe the root node of Mei Keer tree Breath is signed, and is transmitted in block chain.And then the block in block chain generates node reception office's node and regularly sends Savings scale signature, and wait subsequent processing.

Simultaneously savings scale signature is written in block chain as Transaction Information for S1020, processing.

In the specific embodiment of the invention, block generates node and is receiving the storage that office's node is real-time or regularly sends After storage scale signature, new block is generated according to the savings scale signature received, and be sent to each in block chain network User node, while user node generates new block also according to the savings scale signature received, and generates and save with block The new block that point is sent is compared, to verify to savings scale signature, to regard savings scale signature as affairs Data are written in block chain.Need to verify the savings scale of office's node and initiate individual savings card in user node When bright request, it can according to stored each moment in block chain or period corresponding savings scale signature and thing Institute's node be engaged in for the Mei Keer subtree of user node, the check and correction of information, Hash are carried out for the savings scale of office's node The matching verifying Mei Keer subtree of value judges with the consistency of information in corresponding savings scale signature, to meet user for it The demand that assets in the block chain of participation are verified.

In addition, the basis of the savings scale signature and the savings scale verifying to office's node that are stored in block chain On, the block of the present embodiment, which generates node, periodically to send verifying character statements based on collusion block chain progress affairs to office's node Verifying.It is verified specifically, preparing volume scale for the savings of office's node in office's node and user node When, block generates node and obtains the turning the element for saving preparation volume from the first account of office's node of office's node initiation To the transactions requests of the second account, the first account information and the second account information, wherein the first account information is office's node The first signature signed using the private key of the first account to verifying character string, the second account information is using the second account The second signature that the private key at family signs to verifying character string, while also needing to receive the first of the transmission of office's node The public key of the public key of account and the second account.And then block generates the node processing transactions requests, and sends thing to user node Be engaged in request processing result, the first account information and the second account information, by user node according to transactions requests processing result, First signature, the second signature, the public key of the first account and the second account public key so that user node is according to the card received According to come verify office's node savings prepare volume scale, if while can be according to the preparation volume ratio threshold that office's node is held The savings scale of value, savings the preparation volume scale and verifying of verifying, to measure the reliability of office's node.

The technical solution of the present embodiment, block generate node and receive to the savings scale signature that office's node is sent And processing, thus in real time or the savings scale of different moments for regularly sending signature is written as Transaction Information by office's node In block chain.The embodiment of the present invention by each moment or period corresponding savings scale signature write-in into block chain, Permanently storing for the savings scale signature to different time is realized, to be savings scale of the user for office's node Verifying provides foundation, improves the safety of user's fund and the social public credibility of element office.

Embodiment nine

The present embodiment provides the element Security Proof method based on block chain on the basis of above-described embodiment eight One preferred embodiment, block in the above-described embodiments generate node for the basis of the scale of savings signature write-in block chain On, it is capable of handling the transactions requests that office's node transfers accounts to savings preparation volume.Figure 11 provides auxiliary for the embodiment of the present invention nine Help verifying savings preparation volume scale flow chart, as shown in figure 11, this method comprising the following specific steps

S1110, the savings scale signature that office's node is regularly sent is received.

In the specific embodiment of the invention, savings scale signature is deposited using the key pair office node of office's node What office's deposit information of storage was signed, office's node can be in real time or periodically by the root node of Mei Keer tree Information is signed, and is transmitted in block chain.And then the block in block chain generates node and receives office's node timing hair The savings scale signature sent, and wait subsequent processing.

Simultaneously savings scale signature is written in block chain as Transaction Information for S1120, processing.

In the specific embodiment of the invention, block generates node and is receiving the storage that office's node is real-time or regularly sends After storage scale signature, by savings scale signature as in Transaction Information write-in block chain.Realize the savings rule to different time Mould signature permanently stores, to provide foundation for the verifying of the savings scale of office's node for user.

S1130, verifying character string is sent to office's node, by office's node using the private key of the first account to verifying Character string is signed to obtain the first signature, is signed to obtain the second label to verifying character string using the private key of the second account Name.

In the specific embodiment of the invention, verifying character string is to generate node timing by block to issue in block chain network An arbitrary character string.When the savings preparation volume scale to office's node is verified, transfer accounts to verify Node and the key of office's node that is possessed of user whether be derived from same node, and verify key that user is possessed with Whether the initiator for affairs of transferring accounts derives from same office's node, and block generates the verifying that node is issued in block chain network Character string can provide foundation thus.And then verifying character string is sent to office's node, so that office's node uses its turn The private key of first account of account savings preparation volume signs verifying character string to obtain the first signature, and receives savings using it The private key for the second account that preparation volume is transferred accounts is signed to obtain the second signature to verifying character string.

S1140, the turning the element for saving preparation volume from the first account of office's node of office's node initiation is obtained To the transactions requests of the second account, the first account information and the second account information.

In the specific embodiment of the invention, when the savings preparation volume scale to office's node is verified, office Node can transfer accounts savings preparation volume into the second account of office's node from the first current account, to illustrate office The savings that respective numbers are stored in node prepare volume.And then office's node initiates the transactions requests to affairs of transferring accounts, and passes It transports in block chain network.Correspondingly, block generate node obtain office's node initiate by save preparation volume element from First account of office's node goes to the transactions requests and the first account information and the second account information of the second account, i.e., First signature, the second signature, the public key of the first account and the second account public key.

Optionally, transactions requests are handled, and send processing result, the first signature, second of transactions requests to user node The public key of signature, the public key of the first account and the second account.

In the specific embodiment of the invention, block generates node after the transactions requests for receiving the transmission of office's node, The transactions requests are handled, generation includes the new block of the associated Transaction Information of transactions requests, according to new block Verifying by Transaction Information be written block chain in or abandons, i.e., block generation node for transactions requests processing result.In turn Block generates node for the processing result of transactions requests, the first signature, the second signature, the public key of the first account and the second account Public key be sent to user node so that user node is by handling access, judge that Transaction Information is written block chain successful, then tests Card office's node is stored with a certain number of savings preparation volumes, while according to the word that signature is decrypted using public key The comparison result of symbol string and verifying character string, judges the public key of the account for transferring accounts and private key is exact matching, and transfers accounts Affairs and public key all originate from same office's node, prepare volume scale and office's node to verify the savings of office's node Reliability.

It is worth noting that, the implementation steps of the present embodiment can change sequence, alternating or interspersed progress, specific steps Implementation sequence be not limited to the above-mentioned sequence listed.

The technical solution of the present embodiment, on the basis of block, which generates node, will save scale signature write-in block chain, area Block generates node and is capable of handling the transactions requests that office's node transfers accounts to savings preparation volume, and timing is sent out into block chain network Cloth verifies character string, thus by the processing result of transactions requests, the first signature, the second signature, the first account public key and the The public key of two accounts is sent to user node, verifies so that user node prepares volume scale to the savings of office's node. On the basis of the embodiment of the present invention is stored with each moment or period corresponding savings scale signature in block chain network, lead to It crosses the processing to the transactions requests for saving preparation volume of transferring accounts and verifies the publication of character string, be storage of the user for office's node The verifying for storing preparation volume scale provides foundation, improves the safety of user's fund and the social public credibility of element office.

Embodiment ten

Figure 12 is a kind of flow chart for element Security Proof method based on block chain that the embodiment of the present invention ten provides, The present embodiment is applicable to the case where element office assets security is proved in block chain network, can be saved by office Point, user node and block generate the interaction between node and complete the savings scale to office's node, savings preparation volume scale And the reliability of office's node is verified.As shown in figure 12, this method comprising the following specific steps

S1201, office's node are using root node in the Mei Keer tree of element in the key pair localized nodes of localized nodes Information data is signed to obtain the savings scale signature of element, to the savings scale signature of block chain network transmission element.

S1202, block generate node and receive the savings scale signature that office's node is regularly sent, and handle and advise savings Mould signature is as in Transaction Information write-in block chain.

S1203, user node send individual savings to office's node and prove to request.

S1204, office's node, which obtain the individual savings that user node is sent, proves request, sends and wraps to the user node Include the timestamp of Mei Keer subtree and Mei Keer subtree.

S1205, user node receive the response individual savings of office's node prove to request returned Mei Keer subtree with And the timestamp of Mei Keer subtree, savings scale signature corresponding with the timestamp is obtained from block chain；According to Mei Keer Tree and the savings scale obtained signature, verify the savings scale of office's node；If the storage in the scale of savings signature Store the cryptographic Hash of information and deposit information respectively with the deposit information of root node in Mei Keer subtree and the Kazakhstan of deposit information Uncommon value is identical；Also, the volume of savings information of each node and corresponding volume of savings Hash values match in Mei Keer subtree, it is determined that thing The savings scale of business institute's node is accurate.

S1206, block generate node and send verifying character string to office's node.

S1207, office's node receive block and generate the verifying character string that node is sent；Using the private key pair of the first account Verifying character string is signed to obtain the first signature, is signed to obtain second to verifying character string using the private key of the second account Signature.

S1208, office's node initiate to turn the element of preset savings preparation volume from the first account of office's node To the transactions requests of the second account；Node, which is generated, to block sends transactions requests, the first signature, the second signature, first account The public key of public key and the second account.

S1209, block generate node and obtain the element by preparation volume is saved that office's node is initiated from office's node The first account go to the transactions requests of the second account, handle transactions requests, the processing knot of transactions requests sent to user node Fruit, the first signature, the second signature, the public key of the first account and the second account public key.

S1210, user node obtain the processing result of the transactions requests of block generation node-node transmission, the first signature, second The public key of signature, the public key of the first account and the second account；The savings for verifying office's node prepare volume scale；If affairs are asked It asks and handles successfully, and using the public key of the first account to first the first character string for being decrypted of signature, and using the The second character string that the second signature is decrypted in the public key of two accounts is identical as verifying character string, it is determined that office Node has the element of savings preparation volume.

S1211, user node obtain the savings scale that office's node is issued in current slot from block chain network Signature, and current deposit information is determined according to the savings scale of acquisition signature；Foundation savings preparation volume and current deposit information, Determine current preparation volume ratio value；According to the current preparation volume ratio threshold for preparing volume ratio value and office's node and being provided previously Value, determines the reliability of office's node.

The technical solution of the present embodiment generates savings scale signature write-in block of the node by office's node by block In chain, so that the savings scale of different time signs to obtain persistence.To which user node is according to the inquiry function to block chain Can, initiating individual savings proves request, the savings number stored in the savings data by returning to office's node and block chain According to being compared, to verify the savings scale of office's node.Meanwhile it will for office's node by block generation node The transactions requests that savings preparation volume is transferred accounts are handled and block generates node timing and tests to what block chain network was issued Character string is demonstrate,proved, foundation is provided for the verifying of the savings preparation volume scale of office's node for user node, to measure affairs The reliability of institute's node.The embodiment of the present invention realizes effective verifying to block Lian Zhong office node, improves user's money The safety of gold and the social public credibility of element office.

Embodiment 11

Figure 13 is a kind of structure for element Security Proof device based on block chain that the embodiment of the present invention 11 provides Schematic diagram, the present embodiment are applicable to the case where element office assets security is proved in block chain network, which matches It is placed in office's node, office's node is for being managed the affairs of at least one element, it can be achieved that the present invention appoints Element Security Proof method based on block chain described in embodiment of anticipating.The device specifically includes:

Savings scale signature generation module 1310, the office stored for the key pair localized nodes using localized nodes Deposit information is signed, and the savings scale signature of element is obtained；

Savings scale signature transmission module 1320, the savings scale for transmitting the element to block chain network are signed, Node is generated by block in block chain network and user node is handled, and regard savings scale signature as Transaction Information It is written in block chain.

Optionally, the savings scale signature generation module 1310 is specifically used for:

It is signed using root node information data in the Mei Keer tree of element in the key pair localized nodes of localized nodes Obtain the savings scale signature of element；

Wherein, each leaf node is stored with the corresponding unique subscriber body of the leaf node in the Mei Keer tree of the element Part information, the cryptographic Hash of user's volume of savings and user's volume of savings, branch node and root node divide in the Mei Keer tree It is not stored with the cryptographic Hash of the sum of the sum of volume of savings of corresponding two child nodes and volume of savings.

Further, described device further includes individual savings information extraction modules 1330；The individual savings information extraction Module 1330, comprising:

Individual savings information extraction unit 1331, the individual savings for obtaining user node transmission proves request, from institute It states and extracts all nodes composition Mei Keer subtree including user node savings data in Mei Keer tree, and determine the Mei Keer The timestamp of subtree；

Individual savings information transmitting unit 1332 includes the Mei Keer subtree and institute for sending to the user node The timestamp for stating Mei Keer subtree, by the user node according to the Mei Keer subtree, the Mei Keer subtree timestamp with And the savings scale signature stored in block chain verifies the savings scale of office's node.

Further, described device further includes that savings preparation volume is transferred accounts module 1340；The savings preparation volume is transferred accounts module 1340, comprising:

It transfers accounts and initiates unit 1341, for initiating the first account by the element of preset savings preparation volume from office's node Family goes to the transactions requests of the second account；

Transfer information transmission unit 1342 sends the transactions requests, the first account information for generating node to block With the second account information, transactions requests described in node processing are generated as the block, and sends the affairs to user node and asks Processing result, first account information and second account information asked, are asked by the user node according to the affairs The savings of the processing result, first account information and second account information verifying office's node asked prepare volume rule Mould.

Optionally, the transfer information transmission unit 1342, comprising:

It verifies character concatenation and receives subelement, generate the verifying character string that node is sent for receiving block；

Character string is signed subelement, is signed to obtain the to the verifying character string for the private key using the first account One signature, is signed to obtain the second signature using the private key of the second account to the verifying character string；

Transfer information transmission sub-unit sends the transactions requests, first signature, institute for generating node to block The public key for stating the second signature, the public key of first account and second account generates node processing institute by the block It states transactions requests and sends processing result, first signature, second signature, institute of the transactions requests to user node State the public key of the first account and the public key of second account.

The technical solution of the present embodiment realizes Mei Keer tree more by the mutual cooperation between each functional module Newly, the generation of savings scale signature, transmission, the individual savings of savings scale signature prove the processing of request, Mei Keer subtree Extraction, the determination of Mei Keer tree timestamp, the transmission of data, the function such as the signature for transferring accounts and verifying character string for saving preparation volume Energy.The embodiment of the present invention to savings scale and savings preparation volume scale verify effective office's node on the basis of, use Family node is by compared with preparing volume proportion threshold value, realizing to office's node reliability the current volume ratio value for preparing Verifying, to provide effective foundation to the measurement of office's reliability for user, improve user's fund safety and The social public credibility of element office.

Embodiment 12

Figure 14 is a kind of structure for element Security Proof device based on block chain that the embodiment of the present invention 12 provides Schematic diagram, the present embodiment are applicable to the case where element office assets security is proved in block chain network, which matches User node is placed in, it can be achieved that element Security Proof method described in any embodiment of that present invention based on block chain.The dress It sets and specifically includes:

Inquiry request transmission module 1410, for the inquiry request on block chain network chain；

Savings scale signature enquiry module 1420, for being searched and the inquiry request from the block chain of block chain network Matched savings scale signature；

Office's node is for being managed the affairs of at least one element.

Optionally, the savings scale signature is to use the private key of office's node to the plum gram of element in office's node Root node information data are signed in your tree；

Further, described device further includes that individual savings proves module 1430；The individual savings proves module 1430, Include:

Individual savings request transmitting unit 1431 proves request for sending individual savings to office's node；

Individual savings information receiving unit 1432 responds the individual savings proof request institute for receiving office's node The timestamp of the Mei Keer subtree of return and the Mei Keer subtree；

Individual savings verification unit 1433, for the timestamp according to the Mei Keer subtree, the Mei Keer subtree with And the savings scale signature stored in block chain, the savings scale of office's node is verified；

Wherein, the Mei Keer subtree is extracted from the Mei Keer tree including all of localized nodes savings data Node is constituted.

Optionally, the individual savings verification unit 1433, comprising:

Corresponding signature obtains subelement, for obtaining savings scale signature corresponding with the timestamp from block chain；

Subelement is verified, for the savings scale signature according to the Mei Keer subtree and acquisition, to office's node Savings scale verified.

Optionally, the verification subelement is specifically used for:

If the cryptographic Hash of deposit information and deposit information in the savings scale signature is sub with the Mei Keer respectively The deposit information of root node and the cryptographic Hash of deposit information are identical in tree；Also, the storage of each node in the Mei Keer subtree Storage volume information and corresponding volume of savings Hash values match, it is determined that the savings scale of office's node is accurate.

Further, described device further includes savings preparation volume authentication module 1440；The savings preparation volume authentication module 1440, comprising:

Transfer information acquiring unit 1441, for obtain block generate node-node transmission transactions requests processing result, the One account information and the second account information, wherein the transactions requests be office's node initiate by preset savings preparation volume Element the request of the second account is gone to from the first account of office's node；

Preparation volume authentication unit 1442 is saved, for the processing result according to the transactions requests obtained, the first account information With the second account information, the savings for verifying office's node prepare volume scale.

Optionally, first account information is that office's node carries out verifying character string using the private key of the first account First obtained of signing is signed；Second account information is that office's node uses the private key of the first account to the authenticator The second signature that symbol string is signed；

Wherein, the savings preparation volume authentication unit 1442 is specifically used for:

If the transactions requests are handled successfully, and are decrypted to obtain to first signature using the public key of the first account The first character string, and using the second account public key to second character string that is decrypted of the second signature with The verifying character string is identical, it is determined that office's node has the element of savings preparation volume.

Optionally, the savings preparation volume authentication unit 1442 further includes

Current deposit information determines subelement, for having the member of savings preparation volume in determination office's node After element, the savings scale signature that office's node is issued in current slot is obtained from block chain network, and according to acquisition Savings scale signature determine current deposit information；

It is current to prepare volume ratio-dependent subelement, it is used for according to the savings preparation volume and the current deposit information, Determine current preparation volume ratio value；

Reliability determines subelement, for according to the current preparation volume for preparing volume ratio value and office's node and being provided previously Proportion threshold value determines the reliability of office's node.

The technical solution of the present embodiment realizes the hair of inquiry request by the mutual cooperation between each functional module Rise, savings scale signature inquiry, individual savings prove request initiation, data reception, save scale verification, signature The functions such as decryption and the verifying of savings preparation volume.The embodiment of the present invention is realized from block chain network and is advised to the savings of office The function that mould is inquired, the assets for providing element office for the user node in block chain network verify foundation, thus real The security verification to element office assets is showed, the participation of the social public credibility and user that improve element office is intended to It hopes.

Embodiment 13

Figure 15 is a kind of structure for element Security Proof device based on block chain that the embodiment of the present invention 13 provides Schematic diagram, the present embodiment are applicable to the case where element office assets security is proved in block chain network, which matches It is placed in block and generates node, it can be achieved that element Security Proof method described in any embodiment of that present invention based on block chain. The device specifically includes:

Savings scale signature receiving module 1510, the savings scale signature regularly sent for receiving office's node, Described in savings scale signature be using office's node key pair office node store office's deposit information carry out What signature obtained；

Savings scale signature cochain module 1520, for handling and by savings scale signature as Transaction Information write-in In block chain.

Further, described device further includes that savings preparation volume is transferred accounts transaction model 1530；The savings preparation volume It transfers accounts transaction model 1530, comprising:

Transactions requests of transferring accounts acquiring unit 1531, for obtain office's node initiation by save preparation volume element from First account of office's node goes to the transactions requests of the second account, the first account information and the second account information；

Transactions requests of transferring accounts processing unit 1532 sends the thing for handling the transactions requests, and to user node Processing result, first account information and second account information of business request, are asked by user node according to the affairs The savings of processing result, the first account information and the second account information asked, verifying office's node prepare volume scale.

Further, the savings preparation volume is transferred accounts transaction model 1530, comprising:

Character string transmission unit 1533 is verified, for sending verifying character string to office's node, is adopted by office's node The verifying character string is signed to obtain the first signature with the private key of the first account, using the private key of the second account to described Verifying character string is signed to obtain the second signature；

Wherein, the transactions requests processing unit 1532 of transferring accounts is specifically used for:

Handle the transactions requests, and to user node send the processing results of the transactions requests, first signature, The public key of second signature, the public key of first account and second account.

The technical solution of the present embodiment realizes savings scale signature by the mutual cooperation between each functional module Cochain, savings preparation volume transfer accounts affairs processing, verify character string publication and with office's node or user node The functions such as interaction.The embodiment of the present invention is by being written to block chain each moment or period corresponding savings scale signature In, permanently storing for the savings scale signature to different time is realized, to advise for user for the savings of office's node The verifying of mould provides foundation, improves the safety of user's fund and the social public credibility of element office.

Embodiment 14

Figure 16 is a kind of structural schematic diagram for equipment that the embodiment of the present invention 14 provides, and Figure 16, which is shown, to be suitable for being used in fact The block diagram of the example devices of existing embodiment of the embodiment of the present invention.The equipment that Figure 16 is shown is only an example, should not be right The function and use scope of the embodiment of the present invention bring any restrictions.

The equipment 12 that Figure 16 is shown is only an example, should not function to the embodiment of the present invention and use scope bring Any restrictions.

As shown in figure 16, equipment 12 is showed in the form of universal computing device.The component of equipment 12 may include but unlimited In one or more processor 16, system storage 28, different system components (including system storage 28 and processing are connected Device 16) bus 18.

Bus 18 indicates one of a few class bus structures or a variety of, including memory bus or Memory Controller, Peripheral bus, graphics acceleration port, processor or the local bus using any bus structures in a variety of bus structures.It lifts For example, these architectures include but is not limited to industry standard architecture (ISA) bus, microchannel architecture (MAC) Bus, enhanced isa bus, Video Electronics Standards Association (VESA) local bus and peripheral component interconnection (PCI) bus.

Equipment 12 typically comprises a variety of computer system readable media.These media can be it is any can be by equipment 12 The usable medium of access, including volatile and non-volatile media, moveable and immovable medium.

System storage 28 may include the computer system readable media of form of volatile memory, such as arbitrary access Memory (RAM) 30 and/or cache memory 32.Equipment 12 may further include it is other it is removable/nonremovable, Volatile/non-volatile computer system storage medium.Only as an example, storage system 34 can be used for reading and writing irremovable , non-volatile magnetic media (Figure 16 do not show, commonly referred to as " hard disk drive ").Although being not shown in Figure 16, can provide Disc driver for being read and write to removable non-volatile magnetic disk (such as " floppy disk "), and to removable anonvolatile optical disk The CD drive of (such as CD-ROM, DVD-ROM or other optical mediums) read-write.In these cases, each driver can To be connected by one or more data media interfaces with bus 18.System storage 28 may include that at least one program produces Product, the program product have one group of (for example, at least one) program module, these program modules are configured to perform of the invention real Apply the function of each embodiment of example.

Program/utility 40 with one group of (at least one) program module 42 can store and store in such as system In device 28, such program module 42 includes but is not limited to operating system, one or more application program, other program modules And program data, it may include the realization of network environment in each of these examples or certain combination.Program module 42 Usually execute the function and/or method in described embodiment of the embodiment of the present invention.

Equipment 12 can also be communicated with one or more external equipments 14 (such as keyboard, sensing equipment, display 24 etc.), Can also be enabled a user to one or more equipment interacted with the equipment 12 communication, and/or with enable the equipment 12 with One or more of the other any equipment (such as network interface card, modem etc.) communication for calculating equipment and being communicated.It is this logical Letter can be carried out by input/output (I/O) interface 22.Also, equipment 12 can also by network adapter 20 and one or The multiple networks of person (such as local area network (LAN), wide area network (WAN) and/or public network, such as internet) communication.As shown, Network adapter 20 is communicated by bus 18 with other modules of equipment 12.It should be understood that although not shown in the drawings, can combine Equipment 12 uses other hardware and/or software module, including but not limited to: microcode, device driver, redundant processor, outer Portion's disk drive array, RAID system, tape drive and data backup storage system etc..

Processor 16 is by running at least one program in the multiple programs being stored in system storage 28, to hold Row various function application and data processing, such as realize the element safety based on block chain provided by the embodiment of the present invention Method of proof.

Embodiment 15

The embodiment of the present invention 15 also provides a kind of computer readable storage medium, be stored thereon with computer program (or Referred to as computer executable instructions), it can be realized when which is executed by processor in the above-mentioned any embodiment of the present invention by affairs A kind of element Security Proof method based on block chain that institute's node executes, this method comprises:

The embodiment of the present invention 15 also provides another computer readable storage medium, is stored thereon with computer program (or be computer executable instructions), can be realized when which is executed by processor in the above-mentioned any embodiment of the present invention by with A kind of element Security Proof method based on block chain that family node executes, this method comprises:

The inquiry request on block chain network chain；

Office's node is for being managed the affairs of at least one element.

The embodiment of the present invention 15 also provides another computer readable storage medium, is stored thereon with computer program (or being computer executable instructions), can realize the present invention area above-mentioned any embodiment Zhong You when which is executed by processor Block generates a kind of element Security Proof method based on block chain that node executes, this method comprises:

The computer storage medium of the embodiment of the present invention, can be using any of one or more computer-readable media Combination.Computer-readable medium can be computer-readable signal media or computer readable storage medium.It is computer-readable Storage medium for example may be-but not limited to-the system of electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor, device or Device, or any above combination.The more specific example (non exhaustive list) of computer readable storage medium includes: tool There are electrical connection, the portable computer diskette, hard disk, random access memory (RAM), read-only memory of one or more conducting wires (ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD- ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.In this document, computer-readable storage Medium can be any tangible medium for including or store program, which can be commanded execution system, device or device Using or it is in connection.

Computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal, Wherein carry computer-readable program code.The data-signal of this propagation can take various forms, including but unlimited In electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be that computer can Any computer-readable medium other than storage medium is read, which can send, propagates or transmit and be used for By the use of instruction execution system, device or device or program in connection.

The program code for including on computer-readable medium can transmit with any suitable medium, including --- but it is unlimited In wireless, electric wire, optical cable, RF etc. or above-mentioned any appropriate combination.

Can with one or more programming languages or combinations thereof come write for execute the embodiment of the present invention operation Computer program code, described program design language include object oriented program language-such as Java, Smalltalk, C++, further include conventional procedural programming language-such as " C " language or similar program design language Speech.Program code can be executed fully on the user computer, partly be executed on the user computer, as an independence Software package execute, part on the user computer part execute on the remote computer or completely in remote computer or It is executed on server.In situations involving remote computers, remote computer can pass through the network of any kind --- packet It includes local area network (LAN) or wide area network (WAN)-is connected to subscriber computer, or, it may be connected to outer computer (such as benefit It is connected with ISP by internet).

Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation, It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being implemented by above embodiments to the present invention Example is described in further detail, but the embodiment of the present invention is not limited only to above embodiments, is not departing from structure of the present invention It can also include more other equivalent embodiments in the case where think of, and the scope of the present invention is determined by scope of the appended claims It is fixed.

Claims

1. a kind of element Security Proof method based on block chain, which is characterized in that saved by the office in block chain network Point executes, and office's node is for being managed the affairs of at least one element, which comprises

It is signed using office's deposit information that the key pair localized nodes of localized nodes store, obtains the savings rule of element Mould signature；

The savings scale signature that the element is transmitted to block chain network, generates node by block in block chain network and user saves Point is handled, and by savings scale signature as in Transaction Information write-in block chain.

2. the method according to claim 1, wherein the key pair localized nodes using localized nodes store Office's deposit information sign, obtain element savings scale signature, comprising:

It is signed to obtain using root node information data in the Mei Keer tree of element in the key pair localized nodes of localized nodes The savings scale of element is signed；

Wherein, each leaf node is stored with the corresponding unique user identity letter of the leaf node in the Mei Keer tree of the element It ceases, the cryptographic Hash of user's volume of savings and user's volume of savings, branch node and root node are deposited respectively in the Mei Keer tree Contain the cryptographic Hash of the sum of the sum of volume of savings of corresponding two child nodes and volume of savings.

3. according to the method described in claim 2, it is characterized in that, the method also includes:

Obtaining the individual savings that user node is sent proves request, and extracting from the Mei Keer tree includes that the user node is saved All nodes of data constitute Mei Keer subtree, and determine the timestamp of the Mei Keer subtree；

The timestamp including the Mei Keer subtree and the Mei Keer subtree is sent to the user node, by the user node According to the Mei Keer subtree, the Mei Keer subtree timestamp and block chain in the savings scale that stores sign to affairs The savings scale of institute's node is verified.

4. method according to claim 1-3, which is characterized in that the method also includes:

Initiate the transactions requests that the element of preset savings preparation volume is gone to the second account from the first account of office's node；

Node is generated to block and sends the transactions requests, the first account information and the second account information, is generated by the block Transactions requests described in node processing, and the processing results of the transactions requests, first account information are sent to user node With second account information, processing result, first account information by the user node according to the transactions requests Savings with second account information verifying office's node prepare volume scale.

5. according to the method described in claim 4, it is characterized in that, it is described to block generate node send the transactions requests, First account information and the second account information, comprising:

It receives block and generates the verifying character string that node is sent；

The verifying character string is signed to obtain the first signature using the private key of the first account, using the private key of the second account The verifying character string is signed to obtain the second signature；

The public affairs that node sends the transactions requests, first signature, second signature, first account are generated to block The public key of key and second account, the transactions requests described in block generation node processing simultaneously send institute to user node State processing result, first signature, second signature, the public key of first account and described second of transactions requests The public key of account.

6. a kind of element Security Proof method based on block chain, which is characterized in that by the user node in block chain network It executes, which comprises

The inquiry request on block chain network chain；

Wherein, the savings scale signature is the office's savings letter stored using the key pair office node of office's node What breath was signed；

Office's node is for being managed the affairs of at least one element.

7. according to the method described in claim 6, it is characterized in that, savings scale signature is the private using office's node Key signs to root node information data in the Mei Keer tree of element in office's node；

8. the method according to the description of claim 7 is characterized in that the method also includes:

Sending individual savings to office's node proves request；

It receives office's node and responds the returned Mei Keer subtree of the individual savings proof request and Mei Keer The timestamp of tree；

According to the Mei Keer subtree, the Mei Keer subtree timestamp and block chain in store savings scale signature, The savings scale of office's node is verified；

Wherein, the Mei Keer subtree is all nodes including localized nodes savings data extracted from the Mei Keer tree It constitutes.

9. according to the method described in claim 8, it is characterized in that, described according to the Mei Keer subtree, Mei Keer The savings scale signature stored in the timestamp and block chain of tree, verifies the savings scale of office's node, comprising:

Savings scale signature corresponding with the timestamp is obtained from block chain；

It signs according to the Mei Keer subtree and the savings scale of acquisition, the savings scale of office's node is verified.

10. according to the method described in claim 9, it is characterized in that, described according to the Mei Keer subtree and the storage of acquisition Storage scale signature, verifies the savings scale of office's node, comprising:

If the cryptographic Hash of deposit information and deposit information in the savings scale signature is respectively and in the Mei Keer subtree The deposit information of root node and the cryptographic Hash of deposit information are identical；Also, the volume of savings of each node in the Mei Keer subtree Information and corresponding volume of savings Hash values match, it is determined that the savings scale of office's node is accurate.

11. according to the described in any item methods of claim 6-10, which is characterized in that the method also includes:

Processing result, the first account information and the second account information that block generates the transactions requests of node-node transmission are obtained, wherein The transactions requests are the first accounts by the preset element for saving preparation volume from office's node that office's node is initiated Go to the request of the second account；

According to processing result, the first account information and the second account information of the transactions requests obtained, office's node is verified Save preparation volume scale.

12. according to the method for claim 11, which is characterized in that first account information is office's node using the The first signature that the private key of one account signs to verifying character string；Second account information is that office's node is adopted The second signature signed with the private key of the first account to the verifying character string；

Wherein, processing result, the first account information and second account information according to the transactions requests obtained, verifies affairs The savings of institute's node prepare volume scale, comprising:

If the transactions requests are handled successfully, and first signature is decrypted using the public key of the first account the One character string, and using the second account public key to second character string that is decrypted of the second signature with it is described It is identical to verify character string, it is determined that office's node has the element of savings preparation volume.

13. according to the method for claim 12, which is characterized in that have savings quasi- in determination office's node After the element of standby volume, further includes:

The savings scale signature that office's node is issued in current slot, and the storage according to acquisition are obtained from block chain network Storage scale signature determines current deposit information；

According to the savings preparation volume and the current deposit information, current preparation volume ratio value is determined；

According to the current preparation volume proportion threshold value for preparing volume ratio value and office's node and being provided previously, office's node is determined Reliability.

14. a kind of element Security Proof method based on block chain, which is characterized in that generated by the block in block chain network Node executes, which comprises

The savings scale signature that office's node is regularly sent is received, wherein savings scale signature is using office's node The office deposit information of key pair office node storage signed；

15. according to the method for claim 14, which is characterized in that the method also includes:

It obtains the element by savings preparation volume that office's node is initiated and goes to the second account from the first account of office's node Transactions requests, the first account information and the second account information；

It handles the transactions requests, and sends the processing results of the transactions requests, first account information to user node With second account information, by user node according to the processing result of the transactions requests, the first account information and the second account The savings of family information, verifying office's node prepare volume scale.

16. according to the method for claim 15, which is characterized in that the method also includes:

Verifying character string is sent to office's node, by office's node using the private key of the first account to the verifying character string It is signed to obtain the first signature, the verifying character string is signed to obtain the second signature using the private key of the second account；

Wherein, the processing transactions requests, and to user node send the transactions requests processing result, described first Account information and second account information, comprising:

It handles the transactions requests, and sends the processing result of the transactions requests, first signature, described to user node The public key of second signature, the public key of first account and second account.

17. a kind of element Security Proof device based on block chain, which is characterized in that the affairs being configured in block chain network Institute's node, for being managed to the affairs of at least one element, described device includes: office's node

Savings scale signature generation module, the office's deposit information stored for the key pair localized nodes using localized nodes It signs, obtains the savings scale signature of element；

Savings scale signature transmission module, the savings scale for transmitting the element to block chain network is signed, by block chain Block generates node in network and user node is handled, and block is written as Transaction Information in savings scale signature In chain.

18. device according to claim 17, which is characterized in that the savings scale signature generation module is specifically used for:

19. device according to claim 18, which is characterized in that described device further includes individual savings information extraction mould Block；The individual savings information extraction modules, comprising:

Individual savings information extraction unit, the individual savings for obtaining user node transmission proves request, from the Mei Keer In tree extract include the user node savings data all nodes constitute Mei Keer subtree, and determine the Mei Keer subtree when Between stab；

Individual savings information transmitting unit includes the Mei Keer subtree and the Mei Keer for sending to the user node The timestamp of subtree, timestamp and block chain by the user node according to the Mei Keer subtree, the Mei Keer subtree The savings scale signature of middle storage verifies the savings scale of office's node.

20. the described in any item devices of 7-19 according to claim 1, which is characterized in that described device further includes savings preparation volume It transfers accounts module；The savings preparation volume is transferred accounts module, comprising:

It transfers accounts and initiates unit, the element of preset savings preparation volume is gone to the from the first account of office's node for initiating The transactions requests of two accounts；

Transfer information transmission unit sends the transactions requests, the first account information and the second account for generating node to block Family information generates transactions requests described in node processing as the block, and sends the processing of the transactions requests to user node As a result, first account information and second account information, the processing by the user node according to the transactions requests As a result, the savings of first account information and second account information verifying office's node prepare volume scale.

21. device according to claim 20, which is characterized in that the transfer information transmission unit, comprising:

Character string signature subelement, for being signed to obtain the first label to the verifying character string using the private key of the first account Name, is signed to obtain the second signature using the private key of the second account to the verifying character string；

Transfer information transmission sub-unit sends the transactions requests, first signature, described for generating node to block The public key of two signatures, the public key of first account and second account generates thing described in node processing as the block Business request and processing result, first signature, second signature, described that the transactions requests are sent to user node The public key of the public key of one account and second account.

22. a kind of element Security Proof device based on block chain, which is characterized in that the user being configured in block chain network Node, described device include:

Savings scale signature enquiry module, for being matched from lookup in the block chain of block chain network with inquiry request on the chain Savings scale signature；

Office's node is for being managed the affairs of at least one element.

23. device according to claim 22, which is characterized in that the savings scale signature is using office's node Private key signs to root node information data in the Mei Keer tree of element in office's node；

24. device according to claim 23, which is characterized in that described device further includes that individual savings proves module；Institute Stating individual savings proves module, comprising:

Individual savings request transmitting unit proves request for sending individual savings to office's node；

Individual savings information receiving unit responds the returned plum of the individual savings proof request for receiving office's node The timestamp of Ke Er subtree and the Mei Keer subtree；

Individual savings verification unit, for the timestamp and block chain according to the Mei Keer subtree, the Mei Keer subtree The savings scale of middle storage is signed, and is verified to the savings scale of office's node；

25. device according to claim 24, which is characterized in that the individual savings verification unit, comprising:

Subelement is verified, the storage for the savings scale signature according to the Mei Keer subtree and acquisition, to office's node Storage scale is verified.

26. device according to claim 25, which is characterized in that the verification subelement is specifically used for:

27. according to the described in any item devices of claim 22-26, which is characterized in that described device further includes savings preparation volume Authentication module；The savings preparation volume authentication module, comprising:

Transfer information acquiring unit, processing result, the first account for obtaining the transactions requests that block generates node-node transmission are believed Breath and the second account information, wherein the transactions requests be office's node initiate by it is preset savings preparation volume element from First account of office's node goes to the request of the second account；

Preparation volume authentication unit is saved, for processing result, the first account information and the second account according to the transactions requests obtained The savings of family information, verifying office's node prepare volume scale.

28. device according to claim 27, which is characterized in that first account information is office's node using the The first signature that the private key of one account signs to verifying character string；Second account information is that office's node is adopted The second signature signed with the private key of the first account to the verifying character string；

Wherein, the savings preparation volume authentication unit is specifically used for:

29. device according to claim 28, which is characterized in that the savings preparation volume authentication unit further includes

Current deposit information determines subelement, for have in the determination office's node element of savings preparation volume it Afterwards, the savings scale signature that office's node is issued in current slot, and the storage according to acquisition are obtained from block chain network Storage scale signature determines current deposit information；

It is current to prepare volume ratio-dependent subelement, for determining according to the savings preparation volume and the current deposit information It is current to prepare volume ratio value；

Reliability determines subelement, for according to the current preparation volume ratio for preparing volume ratio value and office's node and being provided previously Threshold value determines the reliability of office's node.

30. a kind of element Security Proof device based on block chain, which is characterized in that the block being configured in block chain network Node is generated, described device includes:

Savings scale signature receiving module, the savings scale signature regularly sent for receiving office's node, wherein the storage Storage scale signature is that the office's deposit information stored using the key pair office node of office's node is signed to obtain 's；

Savings scale signature cochain module, for handling and by savings scale signature as Transaction Information write-in block chain In.

31. device according to claim 30, which is characterized in that described device further includes that savings preparation volume is transferred accounts office Manage module；The savings preparation volume is transferred accounts transaction model, comprising:

Transactions requests of transferring accounts acquiring unit, for obtaining the saving the element for saving preparation volume from office of office's node initiation First account of point goes to the transactions requests of the second account, the first account information and the second account information；

Transactions requests of transferring accounts processing unit sends the transactions requests for handling the transactions requests, and to user node Processing result, first account information and second account information, the processing by user node according to the transactions requests As a result, the savings of the first account information and the second account information, verifying office's node prepare volume scale.

32. device according to claim 31, which is characterized in that the savings preparation volume is transferred accounts transaction model, packet It includes:

Character string transmission unit is verified, for sending verifying character string to office's node, the first account is used by office's node The private key at family is signed to obtain the first signature to the verifying character string, using the private key of the second account to the verifying character String is signed to obtain the second signature；

Wherein, the transactions requests processing unit of transferring accounts is specifically used for:

33. a kind of equipment characterized by comprising

One or more processors；

Memory, for storing one or more programs；

When one or more of programs are executed by one or more of processors, so that one or more of processors are real The now element Security Proof method based on block chain as described in any one of claims 1 to 5；Or

When one or more of programs are executed by one or more of processors, so that one or more of processors are real The now element Security Proof method based on block chain as described in any one of claim 6 to 13；Or

When one or more of programs are executed by one or more of processors, so that one or more of processors are real The now element Security Proof method based on block chain as described in any one of claim 14 to 16.

34. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor The element Security Proof method based on block chain as described in any one of claims 1 to 5 is realized when execution；Or

The element safety based on block chain as described in any one of claim 6 to 13 is realized when the program is executed by processor Property method of proof；Or

The element peace based on block chain as described in any one of claim 14 to 16 is realized when the program is executed by processor Full property method of proof.