CN110245949A - It is related to the packaging method and device of block chain - Google Patents
It is related to the packaging method and device of block chain Download PDFInfo
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- CN110245949A CN110245949A CN201910519266.XA CN201910519266A CN110245949A CN 110245949 A CN110245949 A CN 110245949A CN 201910519266 A CN201910519266 A CN 201910519266A CN 110245949 A CN110245949 A CN 110245949A
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- cryptographic hash
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- block node
- hash
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/22—Indexing; Data structures therefor; Storage structures
- G06F16/2228—Indexing structures
- G06F16/2255—Hash tables
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
Abstract
The present embodiments relate to a kind of packaging methods and device for being related to block chain.Include: to generate the first block, the first Hash operation is carried out according to first block and obtains the first cryptographic Hash；Other nodes into the multiple block node out send first cryptographic Hash；Determine the second cryptographic Hash of the multiple block node out；According to the size of the multiple second cryptographic Hash of block node out, the second cryptographic Hash of specified quantity is selected；4th Hash operation is carried out to the second cryptographic Hash of the specified quantity, obtains the 4th cryptographic Hash；According to the 4th cryptographic Hash and preset random rule, selects second to go out block node as the second block in the multiple block node out and go out block node.With this, block node can specify next block node out out, which has certain randomness and verifiability, can reduce block chain by the possibility of success attack, and improve the block efficiency out of block chain meshed network, and then improve book keeping operation efficiency.
Description
Technical field
The present invention relates to field of computer technology more particularly to a kind of packaging methods and device for being related to block chain.
Background technique
Each of block chain network node is equivalent to store each computer of all block datas or service
Device terminal.The production of all new blocks, and the verifying and record keeping of transaction, and it is synchronous to be broadcasted to the whole network, all by node Lai
It completes.
Node is exactly the miner that we are commonly called as.The different of each miner calculate power, determine it can be assigned to how many record keeping
Power harvests how many rewards.
The block chain first generation knows together mechanism POW, is exactly proof of work common recognition mechanism, is commonly called as digging mine.It is new to produce
Block, must just carry out the operation of thousands of secondary Hash collisions.And these operations, many electric power can be consumed, the energy is caused
Waste, therefore also by dirty disease.Everybody is more allowed to worry, once most of power of calculating is monopolized, decentralization is just on the hazard.
The second generation knows together mechanism POS, is exactly that equity proves common recognition mechanism, it is to be determined according to quantity with cash in hand with the time
Who possesses more billing rights.The advantages of this common recognition mechanism is can be to avoid energy consumption, but the disadvantage is that right of speech is all held
Coin rich and influential family is controlled, and centralized feature is formed, and also the original intention with block chain decentralization runs in the opposite direction.
Third generation common recognition mechanism is exactly DPOS, maximum feature, is exactly to be added on the basis that POS equity proves
Electoral system.The super node for the final acquisition billing right being born by all votes by ballot of user with cash in hand is kept accounts, can
To significantly reduce the waste of the energy, still, on the super node all concentrated due to operation, to the calculation force request of super node
It is higher, and the efficiency of super node directly affects the efficiency of book keeping operation, this is resulted in, this kind of mode copes with the ability of large-scale data
Not strong, development is restricted.
Summary of the invention
Based on the above issues, the embodiment of the invention provides a kind of packaging methods and device for being related to block chain.
In a first aspect, being related to the packaging method of block chain the embodiment of the invention provides a kind of.The block chain node net
Network includes multiple block nodes out, and the method is suitable for first and goes out block node, and described first goes out block node for the multiple block out
Any one in node, which comprises
The first block is generated, the first Hash operation is carried out according to first block and obtains the first cryptographic Hash；
Other nodes into the multiple block node out send first cryptographic Hash；
Determine the second cryptographic Hash of the multiple block node out, the second cryptographic Hash of each block node out is by breathing out third
Uncommon value and the first numerical value that should go out block node carry out the second Hash operation and obtain；The third cryptographic Hash by the second block into
Row third Hash operation obtains；First numerical value of each block node out goes out block node to the signature of first cryptographic Hash according to this
It determines；Second block is next block of first block；
According to the size of the multiple second cryptographic Hash of block node out, the second cryptographic Hash of specified quantity is selected；
4th Hash operation is carried out to the second cryptographic Hash of the specified quantity, obtains the 4th cryptographic Hash；
According to the 4th cryptographic Hash and preset random rule, selection second goes out block in the multiple block node out
Node goes out block node as second block.
In some embodiments, the method also includes:
It signs to first cryptographic Hash, obtains the described first the first digital signature for going out block node；
The 5th Hash operation of the first digital signature progress for going out block node to described first obtains described first and goes out block node
The first numerical value.
In some embodiments, further includes:
The 5th cryptographic Hash that third goes out the transmission of block node is received, the 5th cryptographic Hash is that the third goes out block node to the
Three blocks carry out the first Hash operation and obtain；
It signs to the 5th cryptographic Hash, obtains the described first the second digital signature for going out block node；
The 5th Hash operation of the second digital signature progress for going out block node to described first obtains described first and goes out block node
Second value；
Third Hash operation is carried out according to the 4th block and obtains the 6th cryptographic Hash, and the 4th block is the third block
Next block；
The second Hash operation, which is carried out, according to the second value that the 6th cryptographic Hash and described first go out block node obtains institute
State the first the 7th cryptographic Hash for going out block node；
Go out described the first of the transmission of block node the 7th cryptographic Hash for going out block node to described second.
In some embodiments, described that 4th Hash operation is carried out to the specified quantity the second cryptographic Hash, obtain the
Four cryptographic Hash, comprising:
The second cryptographic Hash of the specified quantity and third value are subjected to the 4th Hash operation and obtain the 4th cryptographic Hash, institute
Stating third value is the sequence number that 1-n or described first goes out block node, and the n is arbitrary value.
In some embodiments, the preset random rule includes:
4th cryptographic Hash is converted into 10 systems, and takes the remainder of the quantity of the multiple verifying node；
Determine that the corresponding verifying node of the remainder goes out block node for described second.
In some embodiments, further includes:
First digital signature is sent to the multiple block node out.
In some embodiments, further includes:
It receives the 4th and goes out the third digital signature that block node is sent, the third digital signature is directed to the 4th block；It uses
4th, which goes out the third digital signature that public key described in block node goes out block node to the described 4th, verifies, and obtains first and goes out block node
The 8th cryptographic Hash；
First Hash operation is carried out to the 4th block and obtains the 9th cryptographic Hash；
If the 8th cryptographic Hash is identical with the 9th cryptographic Hash, according to the tenth Hash of the multiple block node out
The size of value selects the tenth cryptographic Hash of specified quantity；Tenth cryptographic Hash of each block node out passes through to the 11st cryptographic Hash
The second Hash operation is carried out with the 4th numerical value for going out block node to obtain；11st cryptographic Hash is by carrying out the 5th block
Third Hash operation obtains；4th numerical value of each block node out is true to the signature of the 8th cryptographic Hash according to that should go out block node
It is fixed；5th block is next block of the 4th block
4th Hash operation is carried out to the tenth cryptographic Hash of the specified quantity, obtains the 12nd cryptographic Hash；
According to the 12nd cryptographic Hash and preset random rule, judge that described first goes out whether block node is described
5th block goes out block node；
If so, being packaged to the 5th block.
In some embodiments, described according to the 12nd cryptographic Hash and preset random rule, judge described
One go out block node whether be the 5th block go out block node include:
According to the 12nd cryptographic Hash and preset random rule, the serial number for going out block node of the 5th block is determined；
Judge the 5th block go out block node serial number whether be described first go out block node serial number described more
In a block node out.
Second aspect provides and a kind of is related to the packing apparatus of block chain.The block chain meshed network include it is multiple go out
Block node, described device be suitable for first go out block node, described first go out block node be it is the multiple go out block node in it is any
One, described device includes:
Hash units carry out the first Hash operation according to first block and obtain the first Kazakhstan for generating the first block
Uncommon value；
Transmission unit sends first cryptographic Hash for other nodes into the multiple block node out；
Determination unit, for determining the second cryptographic Hash of the multiple block node out, the second Hash of each block node out
Value is obtained by carrying out the second Hash operation with the first numerical value that should go out block node to third cryptographic Hash；The third cryptographic Hash is logical
It crosses and the second block progress third Hash operation is obtained；It is each go out block node the first numerical value according to should out block node to described the
The signature of one cryptographic Hash determines；Second block is next block of first block；
Selecting unit, for according to it is the multiple go out block node the second cryptographic Hash size, select specified quantity the
Two cryptographic Hash；
Hash units are also used to, and are carried out the 4th Hash operation to the second cryptographic Hash of the specified quantity, are obtained the 4th Kazakhstan
Uncommon value；
Selecting unit is also used to, according to the 4th cryptographic Hash and preset random rule, in the multiple block section out
It selects second to go out block node as second block in point and goes out block node in the multiple block node out.
In some embodiments, further includes:
Signature unit obtains the described first the first number for going out block node for signing to first cryptographic Hash
Signature；
Hash units, the 5th Hash operation of the first digital signature progress for going out block node to described first obtain described
First goes out the first numerical value of block node.
In some embodiments, further includes:
Receiving unit, the 5th cryptographic Hash of block node transmission is gone out for receiving third, and the 5th cryptographic Hash is described the
Three, which go out block node, obtains the first Hash operation of third block progress；
Signature unit obtains the described first the second number for going out block node for signing to the 5th cryptographic Hash
Signature；
Hash units, the 5th Hash operation of the second digital signature progress for going out block node to described first obtain described
First goes out the second value of block node；
Hash units obtain the 6th cryptographic Hash, the 4th block for carrying out third Hash operation according to the 4th block
For the lower block of the third block；
Hash units, the second value for going out block node according to the 6th cryptographic Hash and described first carry out second and breathe out
Uncommon operation obtains the described first the 7th cryptographic Hash for going out block node；
Transmission unit, for going out described the first of the transmission of block node the 7th cryptographic Hash for going out block node to described second.
In some embodiments, hash units are specifically used for:
The second cryptographic Hash of the specified quantity and third value are subjected to the 4th Hash operation and obtain the 4th cryptographic Hash, institute
Stating third value is the sequence number that 1-n or described first goes out block node, and the n is arbitrary value.
In some embodiments, the preset random rule includes:
4th cryptographic Hash is converted into 10 systems, and takes the remainder of the quantity of the multiple verifying node；
Determine that the corresponding verifying node of the remainder goes out block node for described second.
In some embodiments, further includes:
Transmission unit, for sending first digital signature to the multiple block node out.
In some embodiments, further includes:
Receiving unit goes out the third digital signature that block node is sent for receiving the 4th, and the third digital signature is directed to
4th block；
Authentication unit, for use the 4th go out block node described in public key to the described 4th go out block node third digital signature
It is verified, obtains the first the 8th cryptographic Hash for going out block node；
Hash units obtain the 9th cryptographic Hash for carrying out the first Hash operation to the 4th block；
Selecting unit, if identical with the 9th cryptographic Hash for the 8th cryptographic Hash, according to the multiple block out
The size of tenth cryptographic Hash of node selects the tenth cryptographic Hash of specified quantity；Tenth cryptographic Hash of each block node out passes through
11st cryptographic Hash and the second Hash operation of the 4th numerical value progress that should go out block node are obtained；11st cryptographic Hash passes through
Third Hash operation is carried out to the 5th block to obtain；4th numerical value of each block node out goes out block node to the described 8th according to this
The signature of cryptographic Hash determines；5th block is next block of the 4th block
Hash units obtain the 12nd Kazakhstan for carrying out the 4th Hash operation to the tenth cryptographic Hash of the specified quantity
Uncommon value；
Judging unit, for judging that described first goes out block according to the 12nd cryptographic Hash and preset random rule
Node whether be the 5th block go out block node；
Packaged unit, if so, for being packaged to the 5th block.
In some embodiments, judging unit is specifically used for:
According to the 12nd cryptographic Hash and preset random rule, the serial number for going out block node of the 5th block is determined；
Whether the serial number for going out block node for judging the 5th block is the described first serial number for going out block node.
The third aspect, this specification embodiment provide a kind of computer equipment, including memory, processor and are stored in
On memory and the computer program that can run on a processor, which is characterized in that the processor executes real when described program
Either side or various method and steps in existing aforementioned first aspect or second aspect.
Fourth aspect provides a kind of computer readable storage medium, and meter is stored on the computer readable storage medium
Calculation machine program, the computer program realize either side or more in above-mentioned first aspect or second aspect when being executed by processor
Method described in aspect.
5th aspect, provides a kind of computer program product comprising instruction, when described instruction is run on computers
When, so that computer executes in above-mentioned first aspect or second aspect method described in either side or various aspects.
Through the embodiment of the present invention, out block node can specify it is next go out block node, the assignment procedure have it is certain with
Machine and verifiability can reduce block chain by the possibility of success attack, and improve the block out of block chain meshed network
Efficiency, and then book keeping operation efficiency is improved, allow block chain meshed network should the bigger service scenarios of data scale.
Detailed description of the invention
Fig. 1 applies the exemplary architecture of embodiment provided by the present application；
Fig. 2 is a kind of flow chart for the packaging method for being related to block chain provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of the device of the release information based on block chain provided in an embodiment of the present invention；
Fig. 4 shows a kind of computer equipment structural schematic diagram provided by this specification embodiment.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of packaging methods and device for being related to block chain.Fig. 1 is shown using the application
The exemplary architecture of the embodiment of offer.
As shown in Figure 1, the exemplary architecture may include multiple block chain nodes, multiple block chain node may include
Multiple block node 101 and multiple verifying nodes 102 out.In one example, should go out block node can be to be selected by election mechanism
The quantity of the multiple super nodes selected, the super node can determine according to actual needs, and the quantity of the super node can be
Odd number, such as 21.In another example, multiple verifying node can be alternate node, wherein the super node can
Think and chosen from alternate node, the quantity of the alternate node can also determine according to actual needs, for example, can be 100,
Wherein, alternate node can be selected according to preset random rule, for example, calculating the highest specified quantity node of power can be with
Alternately node.In another example, verifying node can also be all or part of node in addition to block node out.Its
In, block chain node can be realized in a software form, can also realize in the form of hardware.When implemented in hardware, it can be
Laptop, desktop computer and mobile terminal etc..
Block node is mainly used for based on common recognition mechanism out, the data in system in designated time period is produced block, also
It is primarily used for keeping accounts.Verifying node is mainly used for based on common recognition mechanism, and the block generated to block node out is verified, and passes through
The block of verifying can be recorded in block chain.It is can communicate between node to synchronize the data such as block chain.For example, section
It can be communicated based on D2D agreement between point.
In order to facilitate understanding of embodiments of the present invention, it is further explained below in conjunction with attached drawing with specific embodiment
Bright, embodiment does not constitute the restriction to the embodiment of the present invention.
Fig. 2 is a kind of flow chart for the packaging method for being related to block chain provided by the invention.The block chain meshed network packet
The block chain meshed network in multiple block nodes, such as exemplary architecture shown in FIG. 1 out is included, this method is suitable for first and goes out block
Node, this first go out block node be it is multiple go out block nodes in any one.As shown in Fig. 2, this method specifically includes:
S210 generates the first block, carries out the first Hash operation according to first block and obtains the first cryptographic Hash.
Wherein, each node in block chain meshed network is run based on common recognition mechanism.The common recognition mechanism is predefined,
The common recognition mechanism, which can wrap, includes block common recognition mechanism, verifying common recognition mechanism etc..
Block node out in block chain meshed network can determine that first goes out block node according to the common recognition mechanism of block out, this first
The data in system in designated time period can be generated block by block node out.The designated time period can according to actual needs really
It is fixed, such as can be 1 second, 10 seconds, 3 minutes or 10 minutes etc..The system can be corresponding whole for the block chain meshed network
A block catenary system.Wherein, block chain has multiple blocks to constitute, and each block can carry the mark of a block
The storage organization of chain type is formed.
Current block chain node is generating block it needs to be determined that next node for needing to generate block, the current block chain
Node is properly termed as first and goes out block node, which is properly termed as second and goes out block node, deserve
The block that preceding block chain link point generates is properly termed as the first block, and the block which generates can
To be known as the second block.
In order to increase the efficiency for going out the selection of block node of node, reduce the burden of system, next block node out is being selected
When, the first Hash operation can be carried out to the first block, obtain the first cryptographic Hash.Wherein, verifying common recognition mechanism may include pre-
First Hash operation of definition, which can determine according to actual needs, for example, the first Hash operation can be
SHA-256 etc..
S220, other nodes into the multiple block node out send first cryptographic Hash；
Multiple block node out can go out block node for whole.
S230 determines the second cryptographic Hash of the multiple block node out.
Wherein, the secondth cryptographic Hash for each going out block node passes through to third cryptographic Hash and the first numerical value for being somebody's turn to do block node
The second Hash operation is carried out to obtain；Third cryptographic Hash carries out third Hash operation according to second block and obtains；Each go out block
First numerical value of node is determining to the signature of first cryptographic Hash according to that should go out block node, and the second block is first block
Next block.
Each go out block node to sign to the first cryptographic Hash, obtains first digital signature for block node；Block should be gone out
First digital signature of node can be used as first numerical value for block node.Alternatively, each going out block node goes out block node to this
The first digital signature carry out third Hash operation obtain first numerical value for block node.
In one example, first go out block node can sign to first cryptographic Hash, obtain described first and go out
First digital signature of block node；The first digital signature that first, which goes out block node, can go out block node to described first carries out the 5th
Hash operation obtains the described first the first numerical value for going out block node.
Each block chain node may include at least one secret key pair, and each secret key pair includes a public key and a private
Key, the private key can store in local, which can be sent to other block chain nodes.
Currently go out block node after determining the first cryptographic Hash, can sign to first cryptographic Hash, obtains the first number
Word signature.First signature for going out block node can be used the private key for block node and sign, corresponding using the private key
Public key can verify first signature for block node.
This method can also comprise determining that third cryptographic Hash, third cryptographic Hash carry out third Hash fortune according to the second block
It obtains.
The third cryptographic Hash can be calculated by each going out block node.Then, each going out block node can be by the third
Cryptographic Hash and the first numerical value that should go out block node carry out the second Hash operation and obtain second cryptographic Hash for block node.
In one example, first go out block node sign to the first cryptographic Hash, obtain first go out block node first
Digital signature；The first digital signature for going out block node to first carries out the 5th Hash operation and obtains that described first goes out block node
One numerical value；Third Hash operation, which is carried out, according to the second block obtains third cryptographic Hash；Go out block section according to third cryptographic Hash and first
First numerical value of point carries out the second Hash operation and obtains the described first the second cryptographic Hash for going out block node.
S240 selects the second cryptographic Hash of specified quantity according to the size of multiple second cryptographic Hash of block node out.
Wherein it is possible to be ranked up to the second cryptographic Hash of multiple block nodes out, select numerical value is larger or smaller to specify
The second cryptographic Hash of quantity.The specified quantity can determine according to actual needs, for example, the specified quantity can be 2.
S250 carries out the 4th Hash operation to the second cryptographic Hash of the specified quantity, obtains the 4th cryptographic Hash.
When determining next block node out, the 4th Hash operation can be carried out to the second cryptographic Hash of specified quantity, obtained
To the 4th cryptographic Hash.Wherein, block common recognition mechanism may include predefined 4th Hash operation out, which can be with
Determine according to actual needs, for example, the 4th Hash operation can be SHA-256 etc..
S260, according to the 4th cryptographic Hash and preset random rule, it is the multiple go out block node in select the
Two, which go out block node as second block, goes out block node.
When determining next block node out, can be selected according to the 4th cryptographic Hash.Wherein, block common recognition mechanism can out
To include the preset random rule of selection gist, the preset random rule is with certain randomness and verifiability.
In one example, which may include:
4th cryptographic Hash is converted into 10 systems, and takes the remainder of the 4th numerical value；
Determine that the corresponding verifying node of the remainder goes out block node for second.
Wherein, the 4th numerical value can be determined according to the quantity of verifying node.For example, the quantity of verifying node can be
100, which can be 100.
Wherein, the 4th cryptographic Hash ensure that randomness, the determination of the 4th cryptographic Hash and preset random rule, ensure that
This second go out block node verifiability.
In embodiments of the present invention, the first Hash operation, the second Hash operation, third Hash operation, the 4th Hash operation,
Any two operation in 5th Hash operation can be identical or different Hash operation.In an example, the first Hash
Operation, the second Hash operation, third Hash operation, the 4th Hash operation, the 5th Hash operation can be identical Hash operation,
In another example, the first Hash operation, the second Hash operation, third Hash operation, the 4th Hash operation, the 5th Hash fortune
Calculation can be different Hash operation.
First go out block node the first digital signature can be sent to second go out block node, so as to second go out block node continue
Block out.For example, the first digital signature can be sent to multiple block nodes out by way of broadcast.
Block node the first block of transmission and first can also be gone out to second and go out the public key of block node.Wherein, the public key is sent
Form may include a variety of.In one example, can be generated according to the public key should go out block address of node, which can be with
Produce or be transferred to address as transaction, this second go out block node can be gone out according to this block address of node determine should go out block node
Public key.In another example, which can carry is sent in the first block.
Second goes out block node after receiving the first digital signature, can verify the first identity for going out block node first, should
The identity of block node can carry out verifying realization to the first digital signature by going out the public key of block node out.After being verified,
Second go out block node can the verifying identity to itself verify, which can be based on preset random rule
It is verified, whether includes its own to verify the block node out of the second block.After above-mentioned two verification process all passes through, the
Two, which go out block node, is again packaged the second block, and the second block of packing is carried out the whole network and is synchronized.
In some embodiments, further includes:
1) the 5th cryptographic Hash that third goes out the transmission of block node is received, the 5th cryptographic Hash is that the third goes out block node pair
Third block carries out the first Hash operation and obtains；
2) it signs to the 5th cryptographic Hash, obtains the described first the second digital signature for going out block node；
3) to described first go out block node the second digital signature carry out the 5th Hash operation obtain described first go out block section
The second value of point；
4) third Hash operation is carried out according to the 4th block and obtains the 6th cryptographic Hash, the 4th block is the third area
The next block of block；
5) it is obtained according to the second Hash operation of second value progress that the 6th cryptographic Hash and described first go out block node described
First goes out the 7th cryptographic Hash of block node；
6) Xiang Suoshu second goes out the block node is sent described first the 7th cryptographic Hash for going out block node.
In some embodiments, above-mentioned steps S240 can be specifically achieved by the steps of:
The second cryptographic Hash of specified quantity and third value are subjected to the 4th Hash operation and obtain the 4th cryptographic Hash.
Wherein, third value is the predefined fixed values such as 1-n, which is arbitrary value.
The third value can also for first go out block node sequence number, or according to first go out block node sequence number it is true
Fixed numerical value.By the third value, the randomness of block node selection can be further realized out.
In some embodiments, can also include the following steps:
1) it receives the 4th and goes out the third digital signature that block node is sent, the third digital signature is directed to the 4th block；Make
Go out the third digital signature that public key described in block node goes out block node to the described 4th with the 4th to verify, obtains first and go out block section
8th cryptographic Hash of point；
2) the first Hash operation is carried out to the 4th block and obtains the 9th cryptographic Hash；
If 3) the 8th cryptographic Hash is identical with the 9th cryptographic Hash, breathed out according to the tenth of the multiple block node out the
The size of uncommon value selects the tenth cryptographic Hash of specified quantity；Tenth cryptographic Hash of each block node out passes through to the 11st Hash
Value and the 4th numerical value that should go out block node carry out the second Hash operation and obtain；11st cryptographic Hash by the 5th block into
Row third Hash operation obtains；4th numerical value of each block node out goes out block node to the signature of the 8th cryptographic Hash according to this
It determines；5th block is next block of the 4th block
4) the 4th Hash operation is carried out to the tenth cryptographic Hash of the specified quantity, obtains the 12nd cryptographic Hash；
5) according to the 12nd cryptographic Hash and preset random rule, judge that described first goes out whether block node is institute
That states the 5th block goes out block node；
6) if so, being packaged to the 5th block；
7) if it is not, then terminating.In step 1), it can receive the 4th and go out the 4th block, the public key that block node is sent
With third digital signature.
Wherein, the 4th block can go out the newly-generated block of block node for the 4th.The third digital signature can be according to this
4th block determines.It specifically may refer to the acquisition process of aforementioned first digital signature, details are not described herein again.
First, which goes out block node, can also determine that the 4th public key for going out block node, the public key can go out block node according to the 4th
Address determine, also available public key of the carrying in the 4th block of band.
, can be according to the 12nd cryptographic Hash and preset random rule in step 5), determine the 5th block goes out block
The serial number of node；Whether the serial number for going out block node for judging the 5th block is the first serial number for going out block node.
In step 3), the 8th cryptographic Hash can be compared and whether the 9th cryptographic Hash identical, if identical, this illustrate this
Three digital signature are that this goes out the digital signature of block node, namely is verified.If it is different, then verifying does not pass through.
?
In addition, second block can also be the block before the first block.It can specifically be achieved by the steps of: A:
At least one before determining the first block appointed interval has verified that block.The appointed interval can be according to the number of multiple block nodes out
Amount determines；
B: having verified that each carry out third Hash operation in block at least one respectively, obtains at least one third Kazakhstan
Uncommon value.
In one example, can determine a third cryptographic Hash, the third cryptographic Hash can according to first block it
Preceding n-th of block determines that the n can be the integer greater than 0, which can be the appointed interval in abovementioned steps A.Example
Such as, the value of the n can be the quantity of multiple block nodes out, for example, the quantity of block node is 21 out, which can be 21.
In another example, can determine multiple third cryptographic Hash, multiple third cryptographic Hash can according to this first
N-th of block before block plays continuous multiple blocks and determines.The value of the n can be the quantity of multiple block nodes out, should
The quantity of continuous multiple blocks can be preset value, the preset value can determine according to actual needs, such as 5.
In another example, can determine multiple third cryptographic Hash, multiple third cryptographic Hash can according to this first
Multiple blocks at interval of n block before block determine that the value of interval n can be according to the quantity of multiple block nodes out
It determines, for example, the quantity of block node is 21 out, which can be 20.
Wherein, verifying common recognition mechanism may include predefined third Hash operation, which can basis
Actual needs determines, for example, third Hash operation can be SHA-256 etc..
Through the embodiment of the present invention, out block node can specify it is next go out block node, the assignment procedure have it is certain with
Machine and verifiability can reduce block chain by the possibility of success attack, and improve the block out of block chain meshed network
Efficiency, and then book keeping operation efficiency is improved, allow block chain meshed network should the bigger service scenarios of data scale.Fig. 3
For a kind of packing apparatus structural schematic diagram for being related to block chain provided in an embodiment of the present invention.The block chain meshed network includes more
Block chain meshed network in a block node, such as exemplary architecture shown in FIG. 1 out, described device are suitable for currently going out block section
Point, the current block node out are any one in the multiple block node out, and described device includes:
Hash units 301 carry out the first Hash operation according to first block and obtain first for generating the first block
Cryptographic Hash；
Transmission unit 302 sends first cryptographic Hash for other nodes into the multiple block node out；
Determination unit 303, for determining the second cryptographic Hash of the multiple block node out, the second of each block node out is breathed out
Uncommon value is obtained by carrying out the second Hash operation with the first numerical value that should go out block node to third cryptographic Hash；The third cryptographic Hash
It is obtained by carrying out third Hash operation to the second block；First numerical value of each block node out goes out block node to described according to this
The signature of first cryptographic Hash determines；Second block is next block of first block；
Selecting unit 304 selects specified quantity for the size according to the multiple second cryptographic Hash of block node out
Second cryptographic Hash；
Hash units 301 are also used to, and are carried out the 4th Hash operation to the second cryptographic Hash of the specified quantity, are obtained the 4th
Cryptographic Hash；
Selecting unit 304 is also used to, according to the 4th cryptographic Hash and preset random rule, in the multiple block out
It selects second to go out block node as second block in node and goes out block node.
In some embodiments, further includes:
Signature unit obtains the described first the first number for going out block node for signing to first cryptographic Hash
Signature；
Hash units, the 5th Hash operation of the first digital signature progress for going out block node to described first obtain described
First goes out the first numerical value of block node.
In some embodiments, further includes:
Receiving unit, the 5th cryptographic Hash of block node transmission is gone out for receiving third, and the 5th cryptographic Hash is described the
Three, which go out block node, obtains the first Hash operation of third block progress；
Signature unit obtains the described first the second number for going out block node for signing to the 5th cryptographic Hash
Signature；
Hash units, the 5th Hash operation of the second digital signature progress for going out block node to described first obtain described
First goes out the second value of block node；
Hash units obtain the 6th cryptographic Hash, the 4th block for carrying out third Hash operation according to the 4th block
For the lower block of the third block；
Hash units, the second value for going out block node according to the 6th cryptographic Hash and described first carry out second and breathe out
Uncommon operation obtains the described first the 7th cryptographic Hash for going out block node；
Transmission unit, for going out described the first of the transmission of block node the 7th cryptographic Hash for going out block node to described second.
In some embodiments, hash units are specifically used for:
The second cryptographic Hash of the specified quantity and third value are subjected to the 4th Hash operation and obtain the 4th cryptographic Hash, institute
Stating third value is the sequence number that 1-n or described first goes out block node, and the n is arbitrary value.
In some embodiments, the preset random rule includes:
4th cryptographic Hash is converted into 10 systems, and takes the remainder of the quantity of the multiple verifying node；
Determine that the corresponding verifying node of the remainder goes out block node for described second.
In some embodiments, further includes:
Transmission unit, for sending first digital signature to the multiple block node out.
In some embodiments, further includes:
Receiving unit goes out the third digital signature that block node is sent for receiving the 4th, and the third digital signature is directed to
4th block；
Authentication unit, for use the 4th go out block node described in public key to the described 4th go out block node third digital signature
It is verified, obtains the first the 8th cryptographic Hash for going out block node；
Hash units obtain the 9th cryptographic Hash for carrying out the first Hash operation to the 4th block；
Selecting unit, if identical with the 9th cryptographic Hash for the 8th cryptographic Hash, according to the multiple block out
The size of tenth cryptographic Hash of node selects the tenth cryptographic Hash of specified quantity；Tenth cryptographic Hash of each block node out passes through
11st cryptographic Hash and the second Hash operation of the 4th numerical value progress that should go out block node are obtained；11st cryptographic Hash passes through
Third Hash operation is carried out to the 5th block to obtain；4th numerical value of each block node out goes out block node to the described 8th according to this
The signature of cryptographic Hash determines；5th block is next block of the 4th block
Hash units obtain the 12nd Kazakhstan for carrying out the 4th Hash operation to the tenth cryptographic Hash of the specified quantity
Uncommon value；
Judging unit, for judging that described first goes out block according to the 12nd cryptographic Hash and preset random rule
Node whether be the 5th block go out block node；
Packaged unit, if so, for being packaged to the 5th block.
In some embodiments, judging unit is specifically used for:
According to the 12nd cryptographic Hash and preset random rule, the serial number for going out block node of the 5th block is determined；
Judge the 5th block go out block node serial number whether be described first go out block node serial number described more
In a block node out.
It is appreciated that the packing apparatus for being related to block chain of the present embodiment is corresponding with embodiment of the method shown in Fig. 2, because
This is equally applicable to the device of the present embodiment above with respect to the description of embodiment of the method shown in Fig. 2, and details are not described herein.
Fig. 4 shows a kind of computer equipment structural schematic diagram, the computer equipment provided by this specification embodiment
It may include: processor 410, memory 420, input/output interface 430, communication interface 440 and bus 450.Wherein processor
440, memory 420, input/output interface 430 and communication interface 440 by bus 450 realize between inside equipment
Communication connection.
Processor 410 can use general CPU (Central Processing Unit, central processing unit), micro process
Device, application specific integrated circuit (Application Specific Integrated Circuit, ASIC) or one or
The modes such as multiple integrated circuits are realized, for executing relative program, to realize technical solution provided by this specification embodiment.
Memory 420 can use ROM (Read Only Memory, read-only memory), RAM (Random Access
Memory, random access memory), static storage device, the forms such as dynamic memory realize.Memory 420 can store
Operating system and other applications are realizing technical solution provided by this specification embodiment by software or firmware
When, relevant program code is stored in memory 420, and execution is called by processor 410.
Input/output interface 430 is for connecting input/output module, to realize information input and output.Input and output/
Module can be used as component Configuration (not shown) in a device, can also be external in equipment to provide corresponding function.Wherein
Input equipment may include keyboard, mouse, touch screen, microphone, various kinds of sensors etc., output equipment may include display,
Loudspeaker, vibrator, indicator light etc..
Communication interface 440 is used for connection communication module (not shown), to realize the communication of this equipment and other equipment
Interaction.Wherein communication module can be realized by wired mode (such as USB, cable etc.) and be communicated, can also be wirelessly
(such as mobile network, WIFI, bluetooth etc.) realizes communication.
Bus 450 includes an access, in various components (such as the processor 410, memory 420, input/output of equipment
Interface 430 and communication interface 440) between transmit information.
It should be noted that although above equipment illustrates only processor 410, memory 420, input/output interface
430, communication interface 440 and bus 450, but in the specific implementation process, which can also include realizing to operate normally
Necessary other assemblies.In addition, it will be appreciated by those skilled in the art that, it can also be only comprising realizing in above equipment
Component necessary to this specification example scheme, without including all components shown in figure.
Professional should further appreciate that, described in conjunction with the examples disclosed in the embodiments of the present disclosure
Unit and algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, hard in order to clearly demonstrate
The interchangeability of part and software generally describes each exemplary composition and step according to function in the above description.
These functions are implemented in hardware or software actually, the specific application and design constraint depending on technical solution.
Professional technician can use different methods to achieve the described function each specific application, but this realization
It should not be considered as beyond the scope of the present invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can be executed with hardware, processor
The combination of software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only memory
(ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field
In any other form of storage medium well known to interior.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all any modification, equivalent substitution, improvement and etc. within the scope of the present invention, done should be included in this hair
Within bright protection scope.
Claims (10)
1. a kind of be related to the packaging method of block chain, which is characterized in that block chain meshed network includes multiple block nodes out, described
Method is suitable for first and goes out block node, and described first goes out block node for any one in the multiple block node out, the side
Method includes:
The first block is generated, the first Hash operation is carried out according to first block and obtains the first cryptographic Hash；
Other nodes into the multiple block node out send first cryptographic Hash；
Determine that the second cryptographic Hash of the multiple block node out, the second cryptographic Hash of each block node out pass through to third cryptographic Hash
The second Hash operation is carried out with first numerical value for going out block node to obtain；The third cryptographic Hash is by carrying out the to the second block
Three Hash operations obtain；First numerical value of each block node out is true to the signature of first cryptographic Hash according to that should go out block node
It is fixed；Second block is next block of first block；
According to the size of the multiple second cryptographic Hash of block node out, the second cryptographic Hash of specified quantity is selected；
4th Hash operation is carried out to the second cryptographic Hash of the specified quantity, obtains the 4th cryptographic Hash；
According to the 4th cryptographic Hash and preset random rule, selection second goes out block node in the multiple block node out
Go out block node as second block.
2. the method according to claim 1, wherein the method also includes:
It signs to first cryptographic Hash, obtains the described first the first digital signature for going out block node；
The first digital signature for going out block node to described first carries out the 5th Hash operation and obtains that described first goes out block node
One numerical value.
3. according to the method described in claim 2, it is characterized by further comprising:
The 5th cryptographic Hash that third goes out the transmission of block node is received, the 5th cryptographic Hash is that the third goes out block node to third area
Block carries out the first Hash operation and obtains；
It signs to the 5th cryptographic Hash, obtains the described first the second digital signature for going out block node；
The second digital signature for going out block node to described first carries out the 5th Hash operation and obtains that described first goes out block node
Two numerical value；
Third Hash operation is carried out according to the 4th block and obtains the 6th cryptographic Hash, and the 4th block is one under the third block
Block；
The second Hash operation, which is carried out, according to the second value that the 6th cryptographic Hash and described first go out block node obtains described the
One goes out the 7th cryptographic Hash of block node；
Go out described the first of the transmission of block node the 7th cryptographic Hash for going out block node to described second.
4. the method according to claim 1, wherein described carry out the to the specified quantity the second cryptographic Hash
Four Hash operations obtain the 4th cryptographic Hash, comprising:
The specified quantity the second cryptographic Hash and third value are subjected to the 4th Hash operation and obtain the 4th cryptographic Hash, described the
Three numerical value are the sequence number that 1-n or described first goes out block node, and the n is arbitrary value.
5. the method according to claim 1, wherein the preset random rule includes:
4th cryptographic Hash is converted into 10 systems, and takes the remainder of the quantity of the multiple verifying node；
Determine that the corresponding verifying node of the remainder goes out block node for described second.
6. the method according to claim 1, wherein further include:
First digital signature is sent to the multiple block node out.
7. according to the method described in claim 6, it is characterized by further comprising:
It receives the 4th and goes out the third digital signature that block node is sent, the third digital signature is directed to the 4th block；Use the 4th
Out the public key of block node to the described 4th go out block node third digital signature verify, obtain first go out block node the 8th
Cryptographic Hash；
First Hash operation is carried out to the 4th block and obtains the 9th cryptographic Hash；
If the 8th cryptographic Hash is identical with the 9th cryptographic Hash, according to the multiple tenth cryptographic Hash of block node out
Size selects the tenth cryptographic Hash of specified quantity；Tenth cryptographic Hash of each block node out passes through to the 11st cryptographic Hash and this
The second Hash operation of the 4th numerical value progress of block node obtains out；11st cryptographic Hash is by carrying out third to the 5th block
Hash operation obtains；4th numerical value of each block node out is determining to the signature of the 8th cryptographic Hash according to that should go out block node；
5th block is next block of the 4th block
4th Hash operation is carried out to the tenth cryptographic Hash of the specified quantity, obtains the 12nd cryptographic Hash；
According to the 12nd cryptographic Hash and preset random rule, judge that described first goes out whether block node is the described 5th
Block goes out block node；
If so, being packaged to the 5th block.
8. the method according to the description of claim 7 is characterized in that it is described according to the 12nd cryptographic Hash and it is preset with
Machine rule, judge described first go out block node whether be the 5th block out block node include:
According to the 12nd cryptographic Hash and preset random rule, the serial number for going out block node of the 5th block is determined；
Whether the serial number for going out block node for judging the 5th block is the described first serial number for going out block node.
9. a kind of be related to the packing apparatus of block chain, which is characterized in that the block chain meshed network includes multiple block nodes out,
Described device is suitable for first and goes out block node, and described first goes out block node for any one in the multiple block node out, institute
Stating device includes:
Hash units carry out the first Hash operation according to first block and obtain the first cryptographic Hash for generating the first block；
Transmission unit sends first cryptographic Hash for other nodes into the multiple block node out；
Determination unit, for determining that the second cryptographic Hash of the multiple block node out, the second cryptographic Hash of each block node out are logical
It crosses and third cryptographic Hash is obtained with the second Hash operation of the first numerical value progress that should go out block node；The third cryptographic Hash by pair
Second block carries out third Hash operation and obtains；First numerical value of each block node out is breathed out according to that should go out block node to described first
The signature of uncommon value determines；Second block is next block of first block；
Selecting unit selects specified quantity second to breathe out for the size according to the multiple second cryptographic Hash of block node out
Uncommon value；
Hash units are also used to, and are carried out the 4th Hash operation to the second cryptographic Hash of the specified quantity, are obtained the 4th cryptographic Hash；
Selecting unit is also used to, according to the 4th cryptographic Hash and preset random rule, in the multiple block node out
It selects second to go out block node as second block and goes out block node in the multiple block node out.
10. a kind of machine readable storage medium, which is characterized in that the machine readable storage medium is stored with the executable finger of machine
It enables, for the machine-executable instruction when being called and being executed by processor, the machine-executable instruction promotes the processor
Realize the described in any item methods of claim 1 to 8.
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