CN108521393A - Data interactive method, device, system, computer equipment and storage medium - Google Patents
Data interactive method, device, system, computer equipment and storage medium Download PDFInfo
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- CN108521393A CN108521393A CN201810097197.3A CN201810097197A CN108521393A CN 108521393 A CN108521393 A CN 108521393A CN 201810097197 A CN201810097197 A CN 201810097197A CN 108521393 A CN108521393 A CN 108521393A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
- H04L63/1441—Countermeasures against malicious traffic
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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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
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- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
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- General Engineering & Computer Science (AREA)
- Storage Device Security (AREA)
- Computer And Data Communications (AREA)
Abstract
The present invention relates to data interactive method, device, system, computer equipment and storage mediums, belong to technical field of network security.The method includes：The cipher key acquisition request for receiving client obtains key pair according to the cipher key acquisition request, the first key of the cipher key pair is returned to the client；The service parameter that the client encrypts business datum according to random key is received, and the key parameter encrypted to the random key according to first key；Key parameter described in the second key pair by the cipher key pair is decrypted to obtain random key, and the service parameter is decrypted by the random key to obtain the business datum of client.Above-mentioned technical proposal when solving the data interaction carried out using http agreements, the problem of data are stolen and distort, can guarantee and safely carry out data interaction between client and server.
Description
Technical field
The present invention relates to technical field of network security, are set more particularly to data interactive method, device, system, computer
Standby and storage medium.
Background technology
With the development of network technology, the safety of client is extremely important, it is ensured that data between client and server
The safety of transmission.For the data interaction that http agreements need to be used to carry out, with greater need for avoiding transmission process from being ravesdropping or usurped
Change.Message transmitting procedure between traditional client and server interaction data is encrypted using symmetric encipherment algorithm and
Decryption, or interaction data is handled using fixed rivest, shamir, adelman.In the implementation of the present invention, it invents
People has found that at least there are the following problems in the prior art：Data interaction between traditional client and server is in client quilt
In the case of cracking, there is the risk for returning the result and being ravesdropping and being tampered.Therefore, it is necessary to which finding one kind can guarantee client
The method that data interaction is safely carried out between server.
Invention content
Based on this, the present invention provides data interactive method, device, system, computer equipment and storage mediums, can guarantee
The safety of data interaction between client and server.
The content of the embodiment of the present invention is as follows：
A kind of data interactive method, includes the following steps：The cipher key acquisition request for receiving client, is obtained according to the key
Acquisition request key pair is taken, the first key of the cipher key pair is returned to the client；Receive the client according to
The service parameter that machine key pair business datum is encrypted, and according to first key the random key is encrypted close
Key parameter；Key parameter described in the second key pair by the cipher key pair is decrypted to obtain random key, by described
Random key is decrypted the service parameter to obtain the business datum of client.
Key parameter described in second key pair by the cipher key pair is solved in one of the embodiments,
It is close to obtain random key, the service parameter is decrypted by the random key to obtain the step of the business datum of client
After rapid, further include：Corresponding business processing is carried out according to the business datum, meet with a response data；By described with secret
The parameter that meets with a response is encrypted to the response data in key, and the response parameter is sent to the client.
The data interactive method further includes step in one of the embodiments,：Obtain that the key pair is corresponding to be had
Imitate the time；The step of first key that the cipher key pair is returned to the client, further include：It is returned to the client
Return the effective time；The service parameter for receiving the client and business datum being encrypted according to random key, with
And the random key is encrypted according to first key key parameter the step of after, further include：Judge described effective
Whether the time is expired；If so, the key parameter and service parameter are not decrypted；Pass through the key pair if it is not, executing
In the second key pair described in key parameter be decrypted to obtain random key, by the random key to the service parameter
The step of being decrypted to obtain the business datum of client.
A kind of data interactive method, includes the following steps：Cipher key acquisition request is sent to server, the key acquisition is asked
Asking makes the server obtain corresponding key pair；Receive the first key for the cipher key pair that the server returns；It is raw
At random key, business datum is encrypted by the random key to obtain service parameter, passes through the first key pair
The random key is encrypted to obtain key parameter；The service parameter and key parameter are sent to the server；It is described
Service parameter and key parameter make key parameter described in the second key pair of the server by the cipher key pair be solved
It is close to obtain the random key, the service parameter is decrypted by the random key to obtain the business datum.
In one of the embodiments, described the step of sending the service parameter and key parameter to the server it
Afterwards, further include：The response parameter for receiving the server is decrypted to obtain by the random key to the response parameter
Response data；The response parameter carries out corresponding business processing according to the business datum by the server and meets with a response number
According to rear, the response data is encrypted to obtain by the random key.
In one of the embodiments, after described the step of sending cipher key acquisition request to server, further include：It receives
The first key corresponding effective time that server returns；It is described that business datum is encrypted by the random key
The step of obtaining service parameter, the random key be encrypted to obtain key parameter by the first key, including：Sentence
Whether the disconnected effective time is expired；If it is not, business datum is encrypted by the random key to obtain service parameter, lead to
It crosses the first key random key is encrypted to obtain key parameter.
Correspondingly, the embodiment of the present invention provides a kind of data interaction device, including：Key pair acquisition module, for receiving
The cipher key acquisition request of client, key pair is obtained according to the cipher key acquisition request, and the key is returned to the client
The first key of centering；Encrypted data reception module encrypts business datum according to random key for receiving the client
Obtained service parameter, and the random key is encrypted according to first key key parameter；And decryption mould
Block is decrypted to obtain random key, by described for key parameter described in the second key pair by the cipher key pair
Random key is decrypted the service parameter to obtain the business datum of client.
A kind of data interaction device, including：Request sending module, it is described for sending cipher key acquisition request to server
Cipher key acquisition request makes the server obtain corresponding key pair；Receive the of the cipher key pair that the server returns
One key；Encrypting module is encrypted business datum by the random key to obtain business ginseng for generating random key
Number, is encrypted to obtain key parameter by the first key to the random key；And parameter sending module, it is used for
The service parameter and key parameter are sent to the server；The service parameter and key parameter make the server pass through
Key parameter described in second key pair of the cipher key pair is decrypted to obtain the random key, passes through the random key
The service parameter is decrypted to obtain the business datum.
A kind of data interaction system, including：Client and server；The client, for sending key to server
Obtain request；The server returns described close for obtaining key pair according to the cipher key acquisition request to the client
The first key of key centering；The client is additionally operable to generate random key, is carried out to business datum by the random key
Encryption obtains service parameter, is encrypted to obtain key parameter to the random key by the first key；To the clothes
Business device sends the service parameter and key parameter；The server is additionally operable to the second key pair by the cipher key pair
The key parameter is decrypted to obtain random key, is decrypted to obtain visitor to the service parameter by the random key
The business datum at family end.
Above-mentioned data interactive method, apparatus and system, client is when needing to carry out data interaction with server to service
Device dynamically asks key pair, server to obtain key pair and first key therein is returned to client；Client passes through
The random key generated at random is encrypted to obtain service parameter to business datum, and by first key to the random key into
Row encryption obtains key parameter；Server passes through key pair after the key parameter and service parameter for receiving client transmission
In the second key pair key parameter decrypt to obtain random key, and service parameter is decrypted to obtain by the random key
Business datum.Realize encryption and decryption by the way of asymmetric encryption, even if message is intercepted by attacker, attacker does not have
Another key can not also crack encryption data；Further, since the randomness of random key, attacker can not be according to fixed calculation
Method or deciphering method obtain accurate random key, can not also forge result.Therefore, data interaction is carried out using http agreements
When, the safety of data exchange process can be effectively ensured, and ensure the safety of client and server.
A kind of computer equipment, including memory, processor and storage can be run on a memory and on a processor
Computer program, the processor realize following steps when executing the computer program：The key acquisition for receiving client is asked
It asks, key pair is obtained according to the cipher key acquisition request, the first key of the cipher key pair is returned to the client；It receives
The service parameter that the client encrypts business datum according to random key, and according to first key to described random
The key parameter that key is encrypted；Key parameter described in the second key pair by the cipher key pair be decrypted to obtain with
Secret key is decrypted the service parameter by the random key to obtain the business datum of client.
Above computer equipment adds even if message intercepts attacker by attacker without that can not be cracked if another key
Ciphertext data；In addition, attacker can not obtain accurate random key according to fixed algorithm or deciphering method, knot can not be also forged
Fruit.When carrying out data interaction using http agreements, the safety of data exchange process can be effectively ensured, and ensure client kimonos
The safety of business device.
A kind of computer readable storage medium, is stored thereon with computer program, and the computer program is held by processor
Following steps are realized when row：The cipher key acquisition request for receiving client obtains key pair, to institute according to the cipher key acquisition request
State the first key that client returns to the cipher key pair；The client is received to encrypt business datum according to random key
The service parameter arrived, and the random key is encrypted according to first key key parameter；Pass through the key pair
In the second key pair described in key parameter be decrypted to obtain random key, by the random key to the service parameter
It is decrypted to obtain the business datum of client.
Above computer readable storage medium storing program for executing, even if nothing if message intercepts attacker without another key by attacker
Method cracks encryption data；In addition, attacker can not obtain accurate random key according to fixed algorithm or deciphering method, also without
Method forges result.When carrying out data interaction using http agreements, the safety of data exchange process can be effectively ensured, and ensure visitor
The safety at family end and server.
Description of the drawings
Fig. 1 is the applied environment figure of data interactive method in one embodiment；
Fig. 2 is the flow diagram of data interactive method in one embodiment；
Fig. 3 is the flow diagram of data interactive method in another embodiment；
Fig. 4 is the flow diagram of data interactive method in another embodiment；
Fig. 5 is the sequence diagram of data interactive method in one embodiment；
Fig. 6 is the structure diagram of data interaction device in one embodiment；
Fig. 7 is the structure diagram of data interaction device in another embodiment；
Fig. 8 is the internal structure of one embodiment Computer equipment.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Ensure the safety of data transmission between client and server, be to ensure that the privacy of user first, secondly
It is to ensure that the information deception that client is not forged by attacker, causes the loss of individual subscriber or enterprise.Transmission safety compared with
Generally carried out data transmission using https agreements.But under some special screnes (such as：Web page maker needs to net
The case where page content is rewritten), client must be transmitted with when server transmission data using http agreements.Http is assisted
View be easy is attacked by attacker, therefore, with greater need for pass through safeguard technology ensure client and server between data interaction
Safety.
The interaction protocol of client and server-side, what it is compared with mainstream is directly (to refer to encryption and decryption using symmetric encipherment algorithm
Use the Encryption Algorithm of same key) it is transmitted, i.e., directly using such as AES (Advanced Encryption
Standard, Advanced Encryption Standard are also known as Rijndael enciphered methods in cryptography, are one kind that U.S. Federal Government uses
Block encryption standard) etc. symmetric encipherment algorithm.The key of Encryption Algorithm is directly defined in the process of development, and is written to visitor
Family end.When client is initiated to ask, it is encrypted using key, after server-side receives request, is decrypted using key；
When returning the result, server-side is encrypted using key, and server-side is decrypted using key.Using same in whole process
Key.This technology is since key is fixed, once client by decompiling, cracks the key of its preservation, then all requests are all
It may be decrypted, eavesdrop, or even return the result and can be forged.Security level is only more slightly higher than not doing any Encryption Algorithm, very
It is dangerous.
At present also data interaction safety is ensured using two-way rivest, shamir, adelman.It is so-called asymmetric, refer to just needing
A pair of secret keys is wanted, using one of encryption, could be decrypted with another.Assuming that the rivest, shamir, adelman used adds for RSA
Close algorithm.In the development phase, server generates key pair 1, preserves private key 1, and disclose public key 1 to client；Client generates
Key pair 2 uses private key 2, server to preserve public key 2 in client.In data transmission procedure, client is encrypted using public key 1
Parameter when server receives encryption parameter, is decrypted using private key 1, after the completion of business processing, at 2 encryption of public key
After reason is as a result, client receives decryption processing result, handling result is obtained using the decryption of private key 2, and handled accordingly.This
Technology is encrypted using two-way rivest, shamir, adelman, and the private key of handling result is still protected in client when due to returning the result
It deposits, as long as client is cracked, that is, is brought into private key 2, and attacker produces public key 2 according to private key 2 and even produces decryption
Handling result, so in the presence of the risk for being ravesdropping and altering and cheat client is returned the result.
Therefore, the embodiment of the present invention provides a kind of data interactive method, and data are handed between can guarantee server and client side
Mutual safety.
Data interactive method provided by the present application can be applied in application environment as shown in Figure 1.Wherein, terminal 110
Data interaction is carried out by network and server 120.Wherein, terminal 110 can be, but not limited to be various personal computers, notes
This computer, smart mobile phone, tablet computer and portable wearable device, server 120 can be with independent servers either
The server cluster of multiple servers composition is realized.Can also be applied to server and server, client and client into
In the application environment of row data interaction.
As shown in Fig. 2, the embodiment of the present invention provides a kind of data interactive method.The service being applied in this way in Fig. 1
It illustrates, includes the following steps for end：
S210, the cipher key acquisition request for receiving client obtain key pair, to the visitor according to the cipher key acquisition request
Family end returns to the first key of the cipher key pair.
Wherein, cipher key acquisition request is the request for the acquisition request key pair that user end to server is sent.Key pair is
Refer to unsymmetrical key pair, is that (also referred to as public personal key algorithm refers to encryption and is decrypted using different by rivest, shamir, adelman
The Encryption Algorithm of key) obtained key pair.Including mutual corresponding two keys (public key and private key).
Optionally, it can also be private key that the first key for returning to client, which can be public key,.
Optionally, key pair can be that server is regenerated according to cipher key acquisition request, can also be the existing of inquiry
The key pair that can be used.
In this step, after server obtains cipher key acquisition request, one of cipher key pair is returned into client.
Key is dynamically obtained to server, obtaining interface by the key of invoking server obtains key pair.
The service parameter that S220, the reception client encrypt business datum according to random key, and according to
The key parameter that first key encrypts the random key.
Optionally, random key is the key generated at random according to default rule.Random key can be a character,
One character string or other content, format, character length and default rule etc. of the embodiment of the present invention to random key
It is not limited.
The data handle transmitted when optionally, business datum is interacted by client and server,
Solicited message, control information etc., the embodiment of the present invention is not limited the content and format of business datum.
Optionally, client sends service parameter and key by way of sending interaction request to server to server
Parameter.
The embodiment of the present invention is not limited the specific method that business datum and random key are encrypted, using routine
Method realize.
Key parameter is decrypted to obtain random key described in S230, the second key pair by the cipher key pair, leads to
The random key is crossed the service parameter is decrypted to obtain the business datum of client.
This step is accomplished that server after the interaction request for receiving client transmission, the interaction sent to client
The process that data are decrypted is decrypted to obtain with secret by another key pair key parameter of cipher key pair respectively
Key, then service parameter is decrypted to obtain business datum by decrypting obtained random key, server is according to the business number
According to the interaction purpose that can know client.
The present embodiment is realized encryption and decryption by the way of asymmetric encryption, even if message is intercepted by attacker, is attacked
The person of hitting can not also crack encryption data without another key；Further, since the randomness of random key, attacker can not basis
Fixed algorithm or deciphering method obtain accurate random key, can not also forge result.Therefore, using http agreements into line number
When according to interaction, the safety of data exchange process can be effectively ensured.The safety of interface almost ensures by key, but can not
The key in entire interactive process is completely secured not to be stolen, if using fixed key pair, once key pair is stolen,
Then the safety of interface is just lost completely.The present embodiment dynamically obtains key pair by way of interface calling, can effectively prevent
The case where only key pair is stolen and causes damages.
In one embodiment, key parameter described in second key pair by the cipher key pair is decrypted
To random key, the step of service parameter is decrypted to obtain the business datum of client by the random key it
Afterwards, further include：Corresponding business processing is carried out according to the business datum, meet with a response data；Pass through the random key pair
The parameter that meets with a response is encrypted in the response data, and the response parameter is sent to the client.
Optionally, business procession is the concrete processing procedure that server is carried out according to the content of business datum, can be with
It is to inquire a certain data, call a certain interface, carry out a certain operation, store some data etc..Corresponding obtained response data
Can be the query result of data, interface service, operation result, data storage result etc..
The present embodiment, server carry out corresponding business processing according to the business datum that decryption obtains, and generate corresponding
Response data, before returning response data, by decryption obtain when time data interaction random key to response data into
Row decryption.Due to the use of be when time random key, attacker can not understand the content of interaction data.Also, when attacker tastes
Examination is altered when returning the result, due to not having using when time random key is encrypted, client can not normal solution solution read and alter
Content would not also execute the expected operation of attacker.Entire scheme ensure that the peace of the data interaction of client and server-side
Entirely, the safety of user's information of client is also ensured.
In one embodiment, the data interactive method further includes step：Obtain the key pair it is corresponding effective when
Between；The step of first key that the cipher key pair is returned to the client, further include：Institute is returned to the client
State effective time；The service parameter for receiving the client and business datum being encrypted according to random key, Yi Jigen
After the step of key parameter encrypted to the random key according to first key, further include：Judge the effective time
It is whether expired；If so, the key parameter and service parameter are not decrypted；Pass through the cipher key pair if it is not, executing
Key parameter described in second key pair is decrypted to obtain random key, is carried out to the service parameter by the random key
The step of decryption obtains the business datum of client.
Optionally, first key is public key, and the second key is private key；The algorithm of key pair is generated to calculate for asymmetric encryption
Method, the rivest, shamir, adelman can be RSA, Elgamal, knapsack algorithm, Rabin, D-H, ECC (elliptic curve encryption algorithm)
Etc. Encryption Algorithm.
Specifically, the key pair is that server is generated according to RSA cryptographic algorithms, and obtained public key is denoted as RSA public keys,
Private key is denoted as RSA private keys.
The server of the present embodiment is each client key to generating corresponding effective time.Server judges to receive
To cipher key acquisition request time whether within effective time.In the effective time of place, then corresponding encryption, business processing are executed
Deng operation；If not within effective time, the operations such as encryption, business processing are not executed.Can be client by increasing time restriction
Data interaction between end and server increases a safety guarantee, ignores the interaction data outside effective time range.
Optionally, as shown in figure 3, Fig. 3 is the schematic flow chart of the data interactive method of another embodiment, the number
Include the following steps according to exchange method：
S310, the cipher key acquisition request for receiving client obtain key pair according to the cipher key acquisition request.
S320, the key pair corresponding effective time is obtained.
S330, the first key of the cipher key pair and the effective time are returned to the client.
The service parameter that S340, the reception client encrypt business datum according to random key, and according to
The key parameter that first key encrypts the random key.
S350, judge whether the effective time is expired.If effective time is expired, execute S360 the step of, if when effective
Between it is not out of date, execute S370 the step of.
S360, the key parameter and service parameter are not decrypted.
Key parameter is decrypted to obtain random key described in S370, the second key pair by the cipher key pair, leads to
The random key is crossed the service parameter is decrypted to obtain the business datum of client.
The present embodiment has the advantages that：1) dynamic access key pair can effectively prevent key pair and be stolen and make
The case where at loss；2) encryption and decryption are realized by the way of asymmetric encryption, even if message is intercepted by attacker, attack
Person can not also crack encryption data without another key；3) due to the randomness of random key, attacker can not be according to fixation
Algorithm or deciphering method obtain accurate random key, can not also forge result；4) one effective time of key pair is assigned,
Just key parameter and service parameter are decrypted in effective time, such mode can further ensure client kimonos
The safety of data interaction between business device.
As shown in figure 4, Fig. 4 is the schematic flow chart of the data interactive method of another embodiment, apply in this way
It is illustrated for client in Fig. 1, the data interactive method includes the following steps：
S410, cipher key acquisition request is sent to server, it is corresponding that the cipher key acquisition request makes the server obtain
Key pair；Receive the first key for the cipher key pair that the server returns.
S420, random key is generated, business datum is encrypted by the random key to obtain service parameter, is passed through
The first key is encrypted to obtain key parameter to the random key.
Optionally, the algorithm for generating random key can be AES encryption algorithm etc..The embodiment of the present invention is to generating with secret
The algorithm of key is not limited, and the key of generation is random, i.e., client can all generate one when sending interaction request every time
A random key.Such mode can guarantee when client is cracked by attacker, and attacker can not predict to be asked every time
Random key, so returning the result for server can not be altered.
S430, the service parameter and key parameter are sent to the server；The service parameter and key parameter make
Key parameter described in the second key pair of the server by the cipher key pair is decrypted to obtain the random key, leads to
The random key is crossed the service parameter is decrypted to obtain the business datum.
In one embodiment, after described the step of sending the service parameter and key parameter to the server,
Further include：The response parameter for receiving the server is decrypted the response parameter by the random key and is rung
Answer data；The response parameter carries out corresponding business processing according to the business datum by the server and meets with a response data
Afterwards, the response data is encrypted to obtain by the random key.
The present embodiment, server carry out corresponding business processing according to the business datum that decryption obtains, are rung accordingly
Data are answered, before returning response data, response data is carried out by the random key for working as time data interaction that decryption obtains
Decryption.Client is decrypted it to obtain the number of responses of server generation after receiving response parameter by working as time random key
According to.Due to the use of be to work as random key, attacker can not solve the content of read request.Also, when attacker attempts to alter return
When as a result, due to not having using when time random key is encrypted, client also can not normal solution solution read the content altered, also
The expected operation of attacker is not carried out.Entire scheme ensure that the safety of request of the client to server-side, also ensure visitor
The safety of the user at family end.
In one embodiment, after described the step of sending cipher key acquisition request to server, further include：Receive service
The first key corresponding effective time that device returns；It is described that business datum is encrypted to obtain by the random key
Service parameter, the step of being encrypted to obtain key parameter to the random key by the first key, including：Judge institute
Whether expired state effective time；If it is not, business datum is encrypted by the random key to obtain service parameter, pass through institute
It states first key the random key is encrypted to obtain key parameter.
Optionally, client preserves first key according to effective time, close by first if effective time is expired
Key is labeled as unavailable or removes first key.
Optionally, if effective time is expired, cipher key acquisition request is sent to server, reacquires new public key.
In the present embodiment, server is that each key pair generates corresponding effective time.Client to business datum and
Random key needs first to judge whether effective time expired before being encrypted, if effective time is expired not to business datum and
Random key is encrypted, and does not also send cipher key acquisition request to server；If effective time is not out of date, to business datum and
Random key is encrypted.Data interaction that can be between client and server by increase time restriction increases a safety
It ensures, ignores the interaction data outside effective time range.
Optionally, described that business datum is encrypted by the random key to obtain service parameter, pass through described
After the step of random key described in one key pair is encrypted to obtain key parameter, further include：Service parameter and key are joined
Number is combined, and obtains interaction parameter, the interaction parameter is sent to server.Server solves the interaction parameter
It is close to finally obtain business datum.
The above method in order to better understand, the application example of a data interactive method of the present invention detailed below,
Fig. 5 is the sequence diagram of data interactive method, as shown in figure 5, the detailed process of data interactive method is：
1, client judges whether local terminal preserves RSA public keys when needing to carry out data interaction.If it is not, to server
The key pair for sending cipher key acquisition request invoking server obtains interface, obtains key pair；If so, judge RSA public keys whether
In effective time.
2, server judges whether local terminal is stored with key pair, returns public key therein and corresponding effective time if having
Back to client；If no, generating key pair by RSA cryptographic algorithms and preserving RSA private keys therein, by RSA public keys and
Corresponding effective time returns to client.
If 3, for RSA public keys beyond in effective time, user end to server sends cipher key acquisition request；If when effective
In, then directly carry out data exchange process.
4, in data exchange process, server returns to RSA public keys and RSA public keys corresponding effective time；In RSA public keys
Before failure, the RSA public keys can be used to access the interface of server for client.
5, in interactive process, client generates a string of character strings according to aes algorithm at random, as AES random keys.
6, client obtains the business datum for needing to interact, and business datum is encrypted by AES random keys
Obtain service parameter (paramVal)；AES random keys are encrypted to obtain key parameter using RSA public keys
(paramKey)。
7, user end to server sends interaction request, and service parameter and key parameter are sent to service as parameter
Device.
8, server is first decrypted key parameter using RSA private keys after receiving the interaction request of client
AES random keys are obtained, then business datum is decrypted to service parameter with AES random key service parameters.
9, server carries out corresponding business processing according to business datum, and meet with a response data, passes through AES random keys pair
The parameter that meets with a response is encrypted in response data, which is returned to client.
10, client is after receiving response parameter, using the AES random keys generated when initiating interaction request to response
Parameter is decrypted, the plaintext for the data that meet with a response, and to be operated accordingly, obtains interaction results.
It should be noted that for each method embodiment above-mentioned, describes, be all expressed as a series of for simplicity
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the described action sequence, because according to
According to the present invention, certain steps may be used other sequences or be carried out at the same time.
Based on thought identical with the data interactive method in above-described embodiment, the present invention also provides data interaction device,
The device can be used for executing above-mentioned data interactive method.For convenience of description, the structural schematic diagram of data interaction device embodiment
In, illustrate only with the relevant part of the embodiment of the present invention, it will be understood by those skilled in the art that schematic structure is not constituted
Restriction to device may include either combining certain components or different component cloth than illustrating more or fewer components
It sets.
Fig. 6 is the structure diagram of data interaction device in one embodiment, and as described in Figure 6, data interaction device includes close
Key is to acquisition module 610, encrypted data reception module 620 and deciphering module 630, and detailed description are as follows：
Key pair acquisition module 610, the cipher key acquisition request for receiving client are obtained according to the cipher key acquisition request
Key pair is taken, the first key of the cipher key pair is returned to the client.
Encrypted data reception module 620 encrypts to obtain according to random key for receiving the client to business datum
Service parameter, and the random key is encrypted according to first key key parameter.
And deciphering module 630, it is decrypted for key parameter described in the second key pair by the cipher key pair
Random key is obtained, the service parameter is decrypted by the random key to obtain the business datum of client.
In one embodiment, the data interaction device further includes：Service Processing Module, for according to the business
Data carry out corresponding business processing, and meet with a response data；Response parameter returns to module, for passing through the random key to institute
It states response data and the parameter that meets with a response is encrypted, the response parameter is sent to the client.
In one embodiment, the data interaction device further includes effective time acquisition module, described close for obtaining
Key is to corresponding effective time；The key pair acquisition module is additionally operable to return to the effective time to the client；It is described
Deciphering module is additionally operable to judge whether the effective time is expired；If so, not solved to the key parameter and service parameter
It is close, it is decrypted to obtain random key if it is not, executing key parameter described in the second key pair by the cipher key pair, pass through
The step of random key is decrypted to obtain the business datum of client to the service parameter.
Fig. 7 is the structure diagram of data interaction device in another embodiment, and as described in Figure 7, data interaction device includes
Request sending module 710, encrypting module 720 and parameter sending module 730, detailed description are as follows：
Request sending module 710, for sending cipher key acquisition request to server, the cipher key acquisition request makes the clothes
Business device obtains corresponding key pair；Receive the first key for the cipher key pair that the server returns.
Encrypting module 720 is encrypted business datum by the random key to obtain industry for generating random key
Business parameter, is encrypted to obtain key parameter by the first key to the random key.
And parameter sending module 730, for sending the service parameter and key parameter to the server.It is described
Service parameter and key parameter make key parameter described in the second key pair of the server by the cipher key pair be solved
It is close to obtain the random key, the service parameter is decrypted by the random key to obtain the business datum.
In one embodiment, the data interaction device further includes response parameter deciphering module, for receiving the clothes
The response parameter of business device, the data that meet with a response are decrypted by the random key to the response parameter；The response ginseng
Number carries out corresponding business processing according to the business datum by the server and meets with a response after data, by described with secret
Key is encrypted to obtain to the response data.
In one embodiment, the data interaction device further includes effective time receiving module, for receiving server
The first key corresponding effective time returned；The encrypting module is additionally operable to judge whether the effective time is expired；
If it is not, business datum is encrypted by the random key to obtain service parameter, by the first key to it is described with
Secret key is encrypted to obtain key parameter.
It should be noted that the data interaction device of the present invention and the data interactive method of the present invention correspond, upper
State data interactive method embodiment illustrate technical characteristic and advantage be suitable for data interaction device embodiment
In, particular content can be found in the narration in the method for the present invention embodiment, and details are not described herein again, hereby give notice that.
In addition, in the embodiment of the data interaction device of above-mentioned example, the logical partitioning of each program module is only citing
Illustrate, can be as needed in practical application, such as examined for the facility of the realization of the configuration requirement or software of corresponding hardware
Consider, above-mentioned function distribution is completed by different program modules, i.e., is divided into the internal structure of the data interaction device not
Same program module, to complete all or part of the functions described above.
The embodiment of the present invention also provides a kind of data interaction system, including：Client and server；The client is used
In to server send cipher key acquisition request；The server, for obtaining key pair according to the cipher key acquisition request, to institute
State the first key that client returns to the cipher key pair；The client is additionally operable to generate random key, by described random
Key pair business datum is encrypted to obtain service parameter, is encrypted to obtain to the random key by the first key
Key parameter；The service parameter and key parameter are sent to the server；The server is additionally operable to through the key
Key parameter is decrypted to obtain random key described in second key pair of centering, is joined to the business by the random key
Number is decrypted to obtain the business datum of client.
In one embodiment, a kind of computer equipment is provided, which can be server, internal junction
Composition can be as shown in Figure 8.The computer equipment include the processor connected by system bus, memory, network interface and
Database.Wherein, the processor of the computer equipment is for providing calculating and control ability.The memory packet of the computer equipment
Include non-volatile memory medium, built-in storage.The non-volatile memory medium is stored with operating system, computer program and data
Library.The built-in storage provides environment for the operation of operating system and computer program in non-volatile memory medium.The calculating
The database of machine equipment is used for storage service data.The network interface of the computer equipment is used to pass through network with external terminal
Connection communication.To realize a kind of data interactive method when the computer program is executed by processor.
It will be understood by those skilled in the art that structure shown in Fig. 8, is only tied with the relevant part of application scheme
The block diagram of structure does not constitute the restriction for the computer equipment being applied thereon to application scheme, specific computer equipment
May include either combining certain components than more or fewer components as shown in the figure or being arranged with different components.
In one embodiment, a kind of computer equipment is provided, including memory, processor and storage are on a memory
And the computer program that can be run on a processor, processor realize following steps when executing computer program：Receive client
Cipher key acquisition request, according to the cipher key acquisition request obtain key pair, return to the cipher key pair to the client
First key；The service parameter that the client encrypts business datum according to random key is received, and according to first
The key parameter that random key described in key pair is encrypted；Key parameter described in the second key pair by the cipher key pair
It is decrypted to obtain random key, the service parameter is decrypted by the random key to obtain the business number of client
According to.
In one embodiment, following steps are also realized when processor executes computer program：It is described to pass through the key
Key parameter is decrypted to obtain random key described in second key pair of centering, is joined to the business by the random key
After the step of number is decrypted to obtain the business datum of client, further include：Corresponding industry is carried out according to the business datum
Business is handled, and meet with a response data；The parameter that meets with a response is encrypted to the response data by the random key, it will be described
Response parameter is sent to the client.
In one embodiment, following steps are also realized when processor executes computer program：Obtain the key pair pair
The effective time answered；The step of first key that the cipher key pair is returned to the client, further include：To the visitor
Family end returns to the effective time；The business ginseng for receiving the client and business datum being encrypted according to random key
Number, and the random key is encrypted according to first key key parameter the step of after, further include：Described in judgement
Whether effective time is expired；If so, the key parameter and service parameter are not decrypted；If it is not, executing by described close
Key parameter is decrypted to obtain random key described in second key pair of key centering, by the random key to the business
The step of obtaining the business datum of client is decrypted in parameter.
In one embodiment, a kind of computer equipment is provided, including memory, processor and storage are on a memory
And the computer program that can be run on a processor, processor realize following steps when executing computer program：It is sent out to server
Send cipher key acquisition request, the cipher key acquisition request that the server is made to obtain corresponding key pair；The server is received to return
The first key for the cipher key pair returned；Random key is generated, business datum is encrypted by the random key
To service parameter, the random key is encrypted to obtain key parameter by the first key；It is sent out to the server
Send the service parameter and key parameter；The service parameter and key parameter make the server pass through the cipher key pair
Key parameter described in second key pair is decrypted to obtain the random key, by the random key to the service parameter
It is decrypted to obtain the business datum.
In one embodiment, following steps are also realized when processor executes computer program：It is described to the server
After the step of sending the service parameter and key parameter, further include：The response parameter for receiving the server, by described
The data that meet with a response are decrypted to the response parameter in random key；The response parameter is by the server according to the industry
The corresponding business processing of business data progress meets with a response after data, is encrypted to the response data by the random key
It arrives.
In one embodiment, following steps are also realized when processor executes computer program：It is described to be sent to server
After the step of cipher key acquisition request, further include：Receive the first key corresponding effective time that server returns；It is described
Business datum is encrypted by the random key to obtain service parameter, by the first key to the random key
The step of being encrypted to obtain key parameter, including：Judge whether the effective time is expired；If it is not, by described with secret
Key is encrypted business datum to obtain service parameter, is encrypted to obtain to the random key by the first key close
Key parameter.
In one embodiment, a kind of computer readable storage medium is provided, computer program is stored thereon with, is calculated
Machine program realizes following steps when being executed by processor：The cipher key acquisition request for receiving client is asked according to key acquisition
Acquisition key pair is sought, the first key of the cipher key pair is returned to the client；The client is received according to secret
The service parameter that key encrypts business datum, and the key that the random key is encrypted is joined according to first key
Number；Key parameter described in the second key pair by the cipher key pair is decrypted to obtain random key, by described random
Service parameter described in key pair is decrypted to obtain the business datum of client.
In one embodiment, following steps are also realized when computer program is executed by processor：It is described by described close
Key parameter is decrypted to obtain random key described in second key pair of key centering, by the random key to the business
Parameter was decrypted after the step of obtaining the business datum of client, further included：It is carried out according to the business datum corresponding
Business processing, meet with a response data；The parameter that meets with a response is encrypted to the response data by the random key, by institute
It states response parameter and is sent to the client.
In one embodiment, following steps are also realized when computer program is executed by processor：It further include step：It obtains
The key pair corresponding effective time；The step of first key that the cipher key pair is returned to the client, also
Including：The effective time is returned to the client；The reception client adds business datum according to random key
Close obtained service parameter, and the random key is encrypted according to first key key parameter the step of after,
Further include：Judge whether the effective time is expired；If so, the key parameter and service parameter are not decrypted；If it is not,
It executes key parameter described in the second key pair by the cipher key pair to be decrypted to obtain random key, by described random
The step of obtaining the business datum of client is decrypted in service parameter described in key pair.
In one embodiment, a kind of computer readable storage medium is provided, computer program is stored thereon with, is calculated
Machine program realizes following steps when being executed by processor：Cipher key acquisition request is sent to server, the cipher key acquisition request makes
The server obtains corresponding key pair；Receive the first key for the cipher key pair that the server returns；Generate with
Secret key is encrypted business datum by the random key to obtain service parameter, by the first key to described
Random key is encrypted to obtain key parameter；The service parameter and key parameter are sent to the server；The business
Parameter and key parameter make key parameter described in the second key pair of the server by the cipher key pair be decrypted
To the random key, the service parameter is decrypted by the random key to obtain the business number.
In one embodiment, following steps are also realized when computer program is executed by processor：It is described to the service
After device sends the step of service parameter and key parameter, further include：The response parameter for receiving the server passes through institute
It states random key and the data that meet with a response is decrypted to the response parameter；The response parameter is by the server according to
The corresponding business processing of business datum progress meets with a response after data, is encrypted to the response data by the random key
It arrives.
In one embodiment, following steps are also realized when computer program is executed by processor：It is described to be sent out to server
After the step of sending cipher key acquisition request, further include：Receive the first key corresponding effective time that server returns；Institute
It states and business datum is encrypted by the random key to obtain service parameter, by the first key to described with secret
The step of obtaining key parameter is encrypted in key, including：Judge whether the effective time is expired；If it is not, by described random
Key pair business datum is encrypted to obtain service parameter, is encrypted to obtain to the random key by the first key
Key parameter.
It will appreciated by the skilled person that realizing all or part of flow in above-described embodiment method, being can
It is completed with instructing relevant hardware by computer program, the program can be stored in a computer-readable storage and be situated between
In matter, sells or use as independent product.The more specific example (non-exhaustive list) of computer-readable medium includes
Below：Electrical connection section (electronic device) with one or more wiring, portable computer diskette box (magnetic device), arbitrary access
Memory (RAM), read-only memory (ROM), erasable edit read-only storage (EPROM or flash memory), optical fiber dress
It sets and portable optic disk read-only storage (CDROM).It can be printed on it in addition, computer-readable medium can even is that
The paper of described program or other suitable media, because can be for example by carrying out optical scanner to paper or other media, then
It is handled electronically to obtain described program, then by it into edlin, interpretation or when necessary with other suitable methods
Storage is in computer storage.
It should be appreciated that each section of the present invention can be realized with hardware, software, firmware or combination thereof.Above-mentioned
In embodiment, software that multiple steps or method can in memory and by suitable instruction execution system be executed with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit application-specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
The term " comprising " and " having " of the embodiment of the present invention and their any deformations, it is intended that cover non-exclusive
Including.Such as contain series of steps or the process, method, system, product or equipment of (module) unit are not limited to
The step of listing or unit, but further include the steps that optionally not listing or unit, or further include optionally for these
The intrinsic other steps of process, method, product or equipment or unit.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, should not be understood as to the scope of the claims of the present invention
Limitation.It should be pointed out that for those of ordinary skill in the art, without departing from the inventive concept of the premise,
Various modifications and improvements can be made, these are all within the scope of protection of the present invention.Therefore, the protection domain of patent of the present invention
It should be determined by the appended claims.
Claims (11)
1. a kind of data interactive method, which is characterized in that include the following steps：
The cipher key acquisition request for receiving client obtains key pair according to the cipher key acquisition request, is returned to the client
The first key of the cipher key pair；
The service parameter that the client encrypts business datum according to random key is received, and according to first key pair
The key parameter that the random key is encrypted；
Key parameter described in the second key pair by the cipher key pair is decrypted to obtain random key, by described random
Service parameter described in key pair is decrypted to obtain the business datum of client.
2. data interactive method according to claim 1, which is characterized in that described to pass through the second close of the cipher key pair
Key is decrypted to obtain random key to the key parameter, and the service parameter is decrypted by the random key
To client business datum the step of after, further include：
Corresponding business processing is carried out according to the business datum, meet with a response data；
The parameter that meets with a response is encrypted to the response data by the random key, the response parameter is sent to institute
State client.
3. data interactive method according to claim 1 or 2, which is characterized in that further include step：Obtain the key pair
Corresponding effective time；
The step of first key that the cipher key pair is returned to the client, further include：
The effective time is returned to the client；
The service parameter for receiving the client and business datum being encrypted according to random key, and it is close according to first
After the step of key parameter that key encrypts the random key, further include：
Judge whether the effective time is expired；
If so, the key parameter and service parameter are not decrypted；
It is decrypted to obtain random key if it is not, executing key parameter described in the second key pair by the cipher key pair, lead to
Cross the step of random key is decrypted to obtain the business datum of client to the service parameter.
4. a kind of data interactive method, which is characterized in that include the following steps：
Cipher key acquisition request is sent to server, the cipher key acquisition request makes the server obtain corresponding key pair；It connects
Receive the first key for the cipher key pair that the server returns；
Random key is generated, business datum is encrypted by the random key to obtain service parameter, passes through described first
Random key described in key pair is encrypted to obtain key parameter；
The service parameter and key parameter are sent to the server；The service parameter and key parameter make the server
Key parameter described in the second key pair by the cipher key pair is decrypted to obtain the random key, by described random
Service parameter described in key pair is decrypted to obtain the business datum.
5. data interactive method according to claim 4, which is characterized in that described to send the business to the server
After the step of parameter and key parameter, further include：
The number that meets with a response is decrypted to the response parameter by the random key in the response parameter for receiving the server
According to；The response parameter carries out corresponding business processing according to the business datum by the server and meets with a response after data,
The response data is encrypted to obtain by the random key.
6. data interactive method according to claim 4 or 5, which is characterized in that described to send key acquisition to server
After the step of request, further include：
Receive the first key corresponding effective time that server returns；
It is described that business datum is encrypted by the random key to obtain service parameter, by the first key to described
The step of obtaining key parameter is encrypted in random key, including：
Judge whether the effective time is expired；If it is not, business datum is encrypted by the random key to obtain business
Parameter is encrypted to obtain key parameter by the first key to the random key.
7. a kind of data interaction device, which is characterized in that including：
Key pair acquisition module, the cipher key acquisition request for receiving client obtain key according to the cipher key acquisition request
It is right, the first key of the cipher key pair is returned to the client；
Encrypted data reception module joins the business that business datum is encrypted according to random key for receiving the client
It counts, and the key parameter that the random key is encrypted according to first key；
And deciphering module, for key parameter described in the second key pair by the cipher key pair be decrypted to obtain with
Secret key is decrypted the service parameter by the random key to obtain the business datum of client.
8. a kind of data interaction device, which is characterized in that including：
Request sending module, for sending cipher key acquisition request to server, the cipher key acquisition request makes the server obtain
Take corresponding key pair；Receive the first key for the cipher key pair that the server returns；
Encrypting module is encrypted business datum by the random key to obtain service parameter for generating random key,
The random key is encrypted to obtain key parameter by the first key；
And parameter sending module, for sending the service parameter and key parameter to the server；The service parameter
Key parameter described in the second key pair of the server by the cipher key pair is set to be decrypted to obtain institute with key parameter
Random key is stated, the service parameter is decrypted by the random key to obtain the business datum.
9. a kind of data interaction system, which is characterized in that including：Client and server；
The client, for sending cipher key acquisition request to server；
The server returns to the key pair for obtaining key pair according to the cipher key acquisition request to the client
In first key；
The client is additionally operable to generate random key, business datum is encrypted by the random key to obtain business
Parameter is encrypted to obtain key parameter by the first key to the random key；Described in server transmission
Service parameter and key parameter；
The server is additionally operable to key parameter described in the second key pair by the cipher key pair and is decrypted to obtain at random
Key is decrypted the service parameter by the random key to obtain the business datum of client.
10. a kind of computer equipment, including memory, processor and storage are on a memory and the meter that can run on a processor
Calculation machine program, which is characterized in that the processor realizes any one of claim 1 to 6 the method when executing described program
Step.
11. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The step of any one of claim 1 to 6 the method is realized when execution.
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| CN113489706B (en) * | 2021-06-30 | 2023-10-10 | 北京达佳互联信息技术有限公司 | Data processing method, device, system, equipment and storage medium |
| CN113489706A (en) * | 2021-06-30 | 2021-10-08 | 北京达佳互联信息技术有限公司 | Data processing method, device, system, equipment and storage medium |
| CN113922952A (en) * | 2021-09-30 | 2022-01-11 | 平安普惠企业管理有限公司 | Access request response method, device, computer equipment and storage medium |
| CN113922952B (en) * | 2021-09-30 | 2024-03-01 | 恒众创美(深圳)发展合伙企业(有限合伙) | Access request response method, device, computer equipment and storage medium |
| CN114726644B (en) * | 2022-04-24 | 2023-07-25 | 平安科技（深圳）有限公司 | Data transmission method, device, equipment and storage medium based on key encryption |
| CN114726644A (en) * | 2022-04-24 | 2022-07-08 | 平安科技（深圳）有限公司 | Data transmission method, device and equipment based on secret key encryption and storage medium |
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Application publication date: 20180911 |