CN107612918A - The method that rsa encryption storage is carried out to data dictionary information - Google Patents
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Abstract
A kind of method that rsa encryption storage is carried out to data dictionary information, comprises the following steps：A) cloud computing platform is built；B) management node A is initialized；C) all service nodes for participating in cloud computing are registered to management node A；D) use their own to provide the key that the Key files of certification are decrypted as RSA on management node A, while each service node received is sent the data dictionary information come up and verification is decrypted；E) after the data dictionary information that management node A is issued is received, by the use of the Key files in the management node A of storage itself as RSA key, verification is decrypted to data dictionary ciphertext in service providing node S and data memory node D.Soft hardware equipment complicated under cloud computing environment and a variety of development languages are can adapt to, independent of specific equipment or software, verification is decrypted using multiple nodal parallels, regular traffic execution can not be influenceed.With execution efficiency it is high the characteristics of, can effectively take precautions against information leakage.
Description
Technical field
The present invention relates to field of cloud computer technology, and in particular to a kind of to carry out rsa encryption storage to data dictionary information
Method.
Background technology
The mode of the cloud computing node data dictionary information storage of main flow at present, or realized by traditional pattern,
These patterns are stored by XML format file including the use of the txt file storage of text, by application architecture, utilized
The tables of data of relevant database is stored.
The problem of following be present under new cloud computing environment in traditional mode：
1st, stored using TXT or XML format file, be easily immediately seen by system manager in file in an operating system
Hold, and modify, and the access limit of file is influenceed by the directory permission of operating system.Easily by operating system
Other users see.
2nd, using relational data library storage, after database is by rogue attacks, its content can also be stolen easily by hacker
Take, produce data message leakage.
So if needing the individual requirement for business, the data dictionary information in cloud computing environment is encrypted
Store, especially user is required using different encrypted datas to increase the requirement of security, the current main flow of this point
Cloud computing platform and conventional instrument are not accomplished also.
The content of the invention
The present invention is in order to overcome the shortcomings of above technology, there is provided a kind of compatibility is strong, execution efficiency is high, safety coefficient is high
To data dictionary information carry out rsa encryption storage method.
Technical scheme is used by the present invention overcomes its technical problem：
A kind of method that rsa encryption storage is carried out to data dictionary information, comprises the following steps：
A) build a cloud computing platform, the cloud computing platform include it is N number of can be with the service node of independent operating, service node
Including management node A, Journal node L, data memory node D and service providing node S；
B) management node A is initialized, after the completion of initialization, management node A is provided Key files and password needed for certification, Key
The authentication information that rsa encryption storage is required is included in file；
C) all service nodes for participating in cloud computing are registered to management node A, Key files and password conduct is provided during registration
Certification foundation, after succeeding in registration, by all service nodes after certification, the data dictionary that the service of oneself providing is needed to issue
The Key files that information is provided with RSA Algorithm combination A nodes are encrypted, and file is sent to management node A after encryption；
D) their own is used to provide the key that the Key files of certification are decrypted as RSA on management node A, while handle receives
Each service node send the data dictionary information come up verification be decrypted, after verification is errorless, management node A is related letter
Breath is encrypted after collect merging with RSA Algorithm, and is stored in local, and the information after encryption, which is handed down to, each needs to use data
The service node of dictionary information；
E) service providing node S and data memory node D is utilized after the data dictionary information that management node A is issued is received
Key of the Key files as RSA in the management node A of storage itself, verification is decrypted to data dictionary ciphertext, decrypts nothing
After by mistake, the data dictionary information that management node A is issued is stored in this intra-node in the form of ciphertext, and the number after decryption
It is buffered according to dictionary information in the internal memory of this node.
Further, the process of the initialization management node A in step b) is：
B-1 management node A) is started；
b-2）After management node A starts successfully, initialize local Embedded database engine and open database file, it is laggard
Enter wait state, wait data memory node D, service providing node S and Journal node L to come to register.
Further, section is provided to the service node that management node A is registered as data memory node D, service in step c)
Point S and Journal node L.
Further, the process registered in step c) to management node A as：
C-1) start the service node of pre-registration, after the service node starts successfully, inquire about local data base, obtain this service
Node configuration information is put into internal memory；
C-2 after) configuration information obtains successfully, registered to management node A, the management node A service registry codes provided are now provided
With service access password, registration request is sent to management node A；
C-3) management node A is verified after receiving registration request, and the information of pre-registration service node is protected after being verified
It is stored in own resource storehouse, and has increased the service node of registration newly on management node A management console.
Further, the data dictionary each service node transmission received to be come up in management node A in step d)
After information, management node A using the Key files and password of local as keyword, information is encrypted by RSA Algorithm,
Information after encryption is stored in this intra-node, and management node A is by calling service providing node S's and data memory node D
Download function,
Data dictionary information after encryption is sent in all data memory node D and service providing node S.
Further, service providing node S receives foundation after the data dictionary information that management node A is issued in step e)
The management node A of this node storage Key files are decrypted and verified to encryption information, by verifying errorless rear storage encryption
Data message afterwards receives foundation after the data dictionary information that management node A is issued to this intra-node, data memory node D
The management node A of this node storage Key files, RSA decryption and verification are carried out to encryption information, by verifying errorless rear storage
Data message after encryption if information is not inconsistent hop algorithm verification, feeds back to management node A, carried out different to this intra-node
Often processing.
The beneficial effects of the invention are as follows：Cloud computing environment can be can adapt to the service node of independent operating based on multiple
Lower complicated soft hardware equipment and a variety of development languages, independent of specific equipment or software, and prior art is all to rely on spy
Operating system or Software tool are determined to realize, compared with prior art, the method for the invention has stronger compatibility.We
Method flexibly sets the key of RSA Algorithm, and school is decrypted using multiple nodal parallels according to management node A Key files
Test, regular traffic execution can not be influenceed.And the storage of conventional information all requires to operating system and software, in the process of storage
In, the unavoidable fixed key AES for relying on operating system or certain database management system is third-party by calling
Software completes encryption and decryption, and required time length, caused file is big, and occupancy host resource is more, or even can interfere with regular traffic
Using.Therefore this method has the characteristics of execution efficiency is high.Because the data comprising system important information are by high intensity, randomness
Strong key encipherment protection, it is big to crack difficulty, is unidirectionally decrypted on each node, can effectively take precautions against information leakage；And
Traditional approach, as long as the account mouth of leakage one account password, the either keeper of operating system or DBA
Order, can all cause sensitive data to be compromised away.Therefore this method can protect sensitive data.
Brief description of the drawings
Fig. 1 is the flow chart that the data encryption of the present invention issues；
Fig. 2 is the flow chart that the cloud computing platform service node of the present invention read, stored encryption data；
Fig. 3 is the flow chart of the reception of cloud computing platform processing data dictionary information, decryption, verification and the storage of the present invention.
Embodiment
Below in conjunction with the accompanying drawings 1, the present invention will be further described for accompanying drawing 2.
A kind of method that rsa encryption storage is carried out to data dictionary information, comprises the following steps：
A) build a cloud computing platform, the cloud computing platform include it is N number of can be with the service node of independent operating, service node
Including management node A, Journal node L, data memory node D and service providing node S.
B) management node A is initialized, after the completion of initialization, management node A is provided Key files and mouth needed for certification
Make, the authentication information that rsa encryption storage is required is included in Key files.
C) all service nodes for participating in cloud computing are registered to management node A, Key files and password is provided during registration
As certification foundation, after succeeding in registration, by all service nodes after certification, the service data that needs are issued oneself will be provided
The Key files that dictionary information is provided with RSA Algorithm combination A nodes are encrypted, and file is sent to management node A after encryption.
D) their own is used to provide the key that the Key files of certification are decrypted as RSA on management node A, while handle connects
The each service node received sends the data dictionary information come up and verification is decrypted, and after verification is errorless, management node A is phase
Close information encrypted with RSA Algorithm after collecting merging, and be stored in local, the information after encryption is handed down to each need to use
The service node of data dictionary information.
E) service providing node S and data memory node D is after the data dictionary information that management node A is issued is received,
By the use of the Key files in the management node A of storage itself as RSA key, verification is decrypted to data dictionary ciphertext, solves
It is close it is errorless after, the data dictionary information that management node A is issued is stored in this intra-node in the form of ciphertext, and after decryption
Data dictionary information cache in the internal memory of this node.
The present invention to data dictionary information carry out rsa encryption storage method based on it is multiple can be with the service of independent operating
Node, soft hardware equipment complicated under cloud computing environment and a variety of development languages are can adapt to, independent of specific equipment or soft
Part, and prior art is all to rely on specific operation system or Software tool to realize, compared with prior art, side of the present invention
Method has stronger compatibility.This method flexibly sets the key of RSA Algorithm, and utilize according to management node A Key files
Verification is decrypted in multiple nodal parallels, can not influence regular traffic execution.And the storage of conventional information is to operating system and soft
Part all requires, and during storage, the fixed key of unavoidable dependence operating system or certain database management system adds
Close algorithm, by calling third-party software to complete encryption and decryption, required time length, caused file is big, and occupancy host resource is more,
The application of regular traffic can even be interfered with.Therefore this method has the characteristics of execution efficiency is high.Due to including the important letter of system
The data of breath are by high intensity, the strong key encipherment protection of randomness, and it is big to crack difficulty, is unidirectionally decrypted on each node,
Information leakage can effectively be taken precautions against；And traditional approach, as long as one account password of leakage, either the keeper of operating system goes back
It is the account password of DBA, can all causes sensitive data to be compromised away.Therefore this method can protect sensitive number
According to.
Embodiment 1：
The process of initialization management node A in step b) is：
B-1 management node A) is started；
b-2）After management node A starts successfully, initialize local Embedded database engine and open database file, it is laggard
Enter wait state, wait data memory node D, service providing node S and Journal node L to come to register.
So-called RSA cryptographic algorithms, it is current most influential public key encryption algorithm, and is generally considered at present most
One of outstanding public key scheme.RSA is first algorithm that can be used to encrypt sum space signature simultaneously, and it can resist current
Untill known all cryptographic attacks, public key data encryption standard is recommended as by ISO.RSA cryptographic algorithms are based on one very
Simple number theory is true：It is very easy that two Big primes are multiplied, but wants at that time, but wants to carry out factor to its product at that time
Decomposition is extremely difficult, therefore can disclose product as encryption key.So-called " data dictionary information ", refers to service node
When the service of offer, for defining data type and standard, the data message of reference role is played.
Embodiment 2：
The service node registered in step c) to management node A is data memory node D, service providing node S and Journal node
L.What each type of service node reported, be when node oneself provides service, it is necessary to the data dictionary information for issuing out.These
According to RSA Algorithm, the Key fileinfos provided using management node A are encrypted information.Management node A is uploaded to after encryption.
Embodiment 3：
The process registered in step c) to management node A as：
C-1) start the service node of pre-registration, after the service node starts successfully, inquire about local data base, obtain this service
Node configuration information is put into internal memory；
C-2 after) configuration information obtains successfully, registered to management node A, the management node A service registry codes provided are now provided
With service access password, registration request is sent to management node A；
C-3) management node A is verified after receiving registration request, and the information of pre-registration service node is protected after being verified
It is stored in own resource storehouse, and has increased the service node of registration newly on management node A management console.
Embodiment 4：
In step d) after each service node received is sent the data dictionary information to come up by management node A, pipe
Node A is managed by RSA Algorithm, using the Key files and password of local as keyword, information is encrypted, the information after encryption
Be stored in this intra-node, management node A by calling service providing node S and data memory node D download function, plus
Data dictionary information after close is sent in all data memory node D and service providing node S.
Embodiment 5：
Service providing node S is received after the data dictionary information that management node A is issued according to the storage of this node in step e)
Management node A Key files are decrypted and verified to encryption information, by verifying the errorless rear data message stored after encrypting
To this intra-node, data memory node D is received after the data dictionary information that management node A is issued according to the storage of this node
Management node A Key files, RSA decryption and verification are carried out to encryption information, by verifying the errorless rear data stored after encrypting
Information if information is not inconsistent hop algorithm verification, feeds back to management node A, carries out abnormality processing to this intra-node.
The method that AES encryption storage is carried out to data navigation information of the present invention is made below by a specific example
Go out to further illustrate：
Hardware environment preparation is carried out first, including：
Equipment：Three servers, interchanger
Operating system：Server2008 or Linux may be used
Software：More than MySQL5.1 versions, more than Tomcat6 versions, more than Java1.7 versions
Technique preparation：WebService WSDL communication protocols, SpringMVC Web frameworks
Specific implementation step is：
The first step：A cloud computing platform is built, software installation is completed on three servers, is then created on every server
Three service nodes are built, altogether 9 service nodes.Including：Management node A, data memory node D1, D2, D3, D4, D5,
Service providing node S1, S2 and Journal node L1.Start management node first, then log-on data memory node, service carries
For node, Journal node.
Service node can be understood as one group of service processes on a server, and this group of service processes can mutually match
Close, complete the service request needed for cloud computing.Each service node has the attribute of oneself, and nodal community refers to service node
The function that upper this group of service processes can provide.Each service node has oneself basic nodal community, and provides substantially
Servicing communications interface（Such as Node registers, node identities checking etc.）.In addition, each node is different according to default function, carry
For extra service.Node is according to attribute（The service provided）Difference, be divided into several major classes：
Management node A：It is responsible in whole cloud computing framework, all service nodes；The safety certification and information of responsible node
Issue；
Journal node L：It is responsible for recording the Operation Log information of each node；
Data memory node D：It is responsible for, according to preset value, storing the data message of submission.And Operation Log information is sent to day
Will node L is preserved.
Service providing node S：It is responsible for all kinds of requests that response user sends, and carries out analysis summary, after analysis is split
Information, be sent to each data memory node D, and receive, combined data memory node D response message.
Second step：Initialize management node A
1st, management node A starts
After management node A starts successfully, inquiry local data base obtains this service node configuration information and is put into internal memory.Configuration information
As shown in the table, it is included：
| Sequence number | Content | Type | Example |
| 1 | Service registry code | String | IP141-SERVER-KEY |
| 2 | Service access address | String | http://192.168.1.100:8080/Manager/webservices, support Https |
| 3 | Service access user name | String | Admin |
| 4 | Service access password | String | 123 (supporting the encryption of the various ways such as MD5) |
| 5 | Service node type | String | A:Management node |
| 6 | Service node version | String | 1.0 |
After configuration information obtains successfully, into wait state, before waiting data storage service node, service node and Journal node
To register.
3rd step：Other nodes in cloud service platform are initialized, and are registered to management node A
1st, data memory node D starts
After node starts successfully, inquiry local data base obtains this service node configuration information and is put into internal memory.Configuration information is as follows
Shown in table, it is included：
After configuration information obtains successfully, operated to management service Node registry, the management node A service registrys provided are now provided
Code and service access password, send registration request to management node A, after management node A receives registration request, are verified,
Data memory node D information is saved in own resource storehouse after being verified, now on A management console, just
It can be seen that a data memory node D is increased newly.A can feed back to mono- message to succeed in registration of D simultaneously.
2nd, service provides class node S and started
After node starts successfully, inquiry local data base obtains this service node configuration information and is put into internal memory.Configuration information is as follows
Shown in table, it is included：
| Sequence number | Content | Type | Example |
| 1 | Service registry code | String | IP143-SERVER-KEY |
| 2 | Service access address | String | http://192.168.1.102:8080/Manager/webservices supports Https |
| 3 | Service access user name | String | Admin |
| 4 | Service access password | String | 123 (supporting the encryption of the various ways such as MD5) |
| 5 | Service node type | String | S:Service node |
| 6 | Service node version | String | 1.0 |
| 7 | Management service node visit address | String | http://192.168.1.100:8080/Manager/webservices |
| 8 | Management service node visit user | String | Admin |
| 9 | Management service node visit password | String | 123 |
After configuration information obtains successfully, operated to management service Node registry, the management node A service registrys provided are now provided
Code and service access password, send registration request to management node A, after A receives registration request, are verified, be verified
Service providing node S information is saved in own resource storehouse afterwards.A can feed back to mono- message to succeed in registration of S simultaneously, and
And on A management console, it can be seen that increased a service providing node S newly.
3rd, Journal node L starts
After node starts successfully, inquiry local data base obtains this service node configuration information and is put into internal memory.Configuration information is as follows
Shown in table, it is included：
After configuration information obtains successfully, operated to management service Node registry, the management node A service registrys provided are now provided
Code and service access password, send registration request to management node A, after A receives registration request, are verified, be verified
Journal node L information is saved in own resource storehouse afterwards.Now on A management console, it is possible to see newly-increased
One Journal node L.Meanwhile A can feed back to mono- message to succeed in registration of L.
4th step：Report the data after rsa encryption
After the registration operation completed to management node A, the data dictionary that service node S can need oneself externally to issue is believed
Breath, according to RSA Algorithm, with reference to the content of the A Key files issued, integration encryption is carried out, the information after encryption is sent to management section
Point A.
It is as shown in the table to illustrate service access rule settings function in the picture of management node：
Data store content：
| Sequence number | Explanation | Length |
| 1 | User account | 32 |
| 2 | Address name | 10 |
| 3 | Sex | 2 |
| 4 | ID card No. | 18 |
| 5 | Contact method | 32 |
| 6 | Home address | 128 |
Management service node sets data storage rule as shown in the table：
| Sequence number | Explanation | Memory node |
| 1 | User account | Data memory node D1 |
| 2 | Address name | Data memory node D1 |
| 3 | Sex | Data memory node D2 |
| 4 | ID card No. | Data memory node D2 |
| 5 | Contact method | Data memory node D3 |
| 6 | Home address | Data memory node D3 |
After management service node A receives the encryption data dictionary information that S is reported, by RSA Algorithm, with reference to service node A's
Key file contents, verification is decrypted.If decryption failure, A can feed back to mono- unexpected message of S；After decryption verifies successfully,
The encryption data dictionary information that S is reported is preserved, and by calling the download function of service node and data memory node
（WebService is serviced）, S encryption data dictionary information, it is sent to all storages for needing the dictionary information and service section
Point in.For data memory node, flow is also the same.As shown in accompanying drawing 1, accompanying drawing 2.
5th step：Verification preserves data dictionary information
After the 4th step is completed, after service node S receives the data dictionary information after encryption, according to the management clothes being locally stored
Business node A Key file contents, are decrypted and verify to encryption data.After verifying successfully, the data message of encryption is preserved
To this intra-node.After memory node D receives the data dictionary information after encryption, according to the management service node being locally stored
A Key file contents, are decrypted and verify to encryption data.After verifying successfully, the data message of encryption is saved in this section
Point is internal.
If encryption data can not be by verification, the information for returning to invalid data form gives management service node A, such as attached
Shown in Fig. 3.
By way of more than, it can efficiently accomplish and rsa encryption storage is carried out to the data under cloud computing environment, protect number
According to when meeting with unexpected hacker attacks or unauthorized access, leaking data will not be caused, protects secure user data.
Claims (6)
- A kind of 1. method that rsa encryption storage is carried out to data dictionary information, it is characterised in that comprise the following steps：A) build a cloud computing platform, the cloud computing platform include it is N number of can be with the service node of independent operating, service node Including management node A, Journal node L, data memory node D and service providing node S；B) management node A is initialized, after the completion of initialization, management node A is provided Key files and password needed for certification, Key The authentication information that rsa encryption storage is required is included in file；C) all service nodes for participating in cloud computing are registered to management node A, Key files and password conduct is provided during registration Certification foundation, after succeeding in registration, by all service nodes after certification, the data dictionary that the service of oneself providing is needed to issue The Key files that information is provided with RSA Algorithm combination A nodes are encrypted, and file is sent to management node A after encryption；D) their own is used to provide the key that the Key files of certification are decrypted as RSA on management node A, while handle receives Each service node send the data dictionary information come up verification be decrypted, after verification is errorless, management node A is related letter Breath is encrypted after collect merging with RSA Algorithm, and is stored in local, and the information after encryption, which is handed down to, each needs to use data The service node of dictionary information；E) service providing node S and data memory node D is utilized after the data dictionary information that management node A is issued is received Key of the Key files as RSA in the management node A of storage itself, verification is decrypted to data dictionary ciphertext, decrypts nothing After by mistake, the data dictionary information that management node A is issued is stored in this intra-node in the form of ciphertext, and the number after decryption It is buffered according to dictionary information in the internal memory of this node.
- 2. the method according to claim 1 that rsa encryption storage is carried out to data dictionary information, it is characterised in that step B) process of the initialization management node A in is：B-1 management node A) is started；b-2）After management node A starts successfully, initialize local Embedded database engine and open database file, it is laggard Enter wait state, wait data memory node D, service providing node S and Journal node L to come to register.
- 3. the method according to claim 1 that rsa encryption storage is carried out to data dictionary information, it is characterised in that：Step C) service node registered in management node A is data memory node D, service providing node S and Journal node L.
- 4. the method according to claim 1 that rsa encryption storage is carried out to data dictionary information, it is characterised in that step C) process registered in management node A as：C-1) start the service node of pre-registration, after the service node starts successfully, inquire about local data base, obtain this service Node configuration information is put into internal memory；C-2 after) configuration information obtains successfully, registered to management node A, the management node A service registry codes provided are now provided With service access password, registration request is sent to management node A；C-3) management node A is verified after receiving registration request, and the information of pre-registration service node is protected after being verified It is stored in own resource storehouse, and has increased the service node of registration newly on management node A management console.
- 5. the method according to claim 1 that rsa encryption storage is carried out to data dictionary information, it is characterised in that：Step D) in after each service node received is sent the data dictionary information to come up by management node A, management node A leads to RSA Algorithm is crossed, using the Key files and password of local as keyword, information is encrypted, the information after encryption is stored in this section Point is internal, and management node A is by calling service providing node S and data memory node D download function, the data after encryption Dictionary information is sent in all data memory node D and service providing node S.
- 6. the method according to claim 1 that rsa encryption storage is carried out to data dictionary information, it is characterised in that：Step E) service providing node S receives the management node A stored after the data dictionary information that management node A is issued according to this node in Key files encryption information is decrypted and verified, by verify it is errorless after data message after storage encryption to this node Inside, data memory node D receive the management node stored after the data dictionary information that management node A is issued according to this node A Key files, RSA decryption and verification are carried out to encryption information, by verifying the errorless rear data message stored after encrypting to originally Intra-node, if information is not inconsistent hop algorithm verification, management node A is fed back to, carries out abnormality processing.
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