CN101282218A - Method and apparatus for ciphering and deciphering host computer and pickaback plane of split type terminal - Google Patents
Method and apparatus for ciphering and deciphering host computer and pickaback plane of split type terminal Download PDFInfo
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Abstract
An embodiment of the invention discloses a ciphering/deciphering method of the host computer and the sub-computer of a split terminal. The ciphering method of the host computer of the split terminal comprises the following steps: setting a privacy grade of the information of the host computer and the associated ciphering algorithm of the information; confirming the privacy grade of the accessed information, ciphering the information which needs to be ciphered and subsequently retransmitting; and adding the name of the associated ciphering algorithm of the ciphered information and the name of the corresponding deciphering algorithm in the configuration module. The ciphering device of the host computer of the split terminal discloses a functional entity which can realize the automatic ciphering to the information by the host computer. The embodiment of the invention also discloses a corresponding deciphering method at the side of the host computer and a device thereof. When the embodiment of the invention is actualized, the security of the host computer and the sub-computer of the split terminal in information alteration can be increased.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to the method and the implement device of information encryption and deciphering between a kind of split type mobile terminal host and handset.
Background technology
In recent years, along with the develop rapidly of the electronic industry and the communication technology, and the promotion of demand, competition, science and technology three big power, communication industry is experiencing a great change, emerges in an endless stream and develops rapidly based on the novel telecommunication service of data, speech, video.In addition, the fast development of microelectric technique, computer hardware technique, handling the work that becomes increasingly complex for terminal equipment lays the foundation, for providing, the terminal equipment personalization realizes possibility, this just makes at present increasing terminal adopt split-type design, be equipped with one or more handset with a powerful main frame, host function is powerful, memory capacity is big but often carry inconvenience, and the general volume of handset is less, be easy to carry, have conventional text, image, video, audio-frequency information processing capacity.
The inventor finds in creation process of the present invention; substantially concentrate in the network transmission process for the encryption that ensures information security at present; and terminal and terminal, terminal and network side; main frame and the information interactive process between the handset for split type terminal then lack effective protection; the terminal that has main frame, handset communication encryption function extremely individually; also carry out encrypted negotiation and realize, have system complex, the shortcoming that cipher mode is single by main frame and handset.
Summary of the invention
The invention provides the method and the device that carry out coded communication between a kind of end host and the handset, can overcome the not high shortcoming of present split type terminal master, handset information transmission fail safe before, thus the fail safe of guarantee information in transmittance process.
For solving the problem that above-mentioned split type terminal exists, the embodiment of the invention provides a kind of split type end host encryption method, and described method comprises:
Set the related cryptographic algorithm of host information secret grade and information;
Confirm the secret grade of accessed information, will need to transmit again after the information encrypted encryption;
The related cryptographic algorithm title and the corresponding decipherment algorithm title that in configuration module, add encrypted information.
And the method for corresponding split type terminal handset deciphering host information, comprising:
From the main frame acquired information;
Search the decipherment algorithm title of encrypted information in the host configuration module;
From the decipherment algorithm memory cell, call the decipherment algorithm decryption information according to the decipherment algorithm name.
Accordingly, the embodiment of the invention also provides a kind of encryption device of split type end host, comprising:
Module is set, is used to set the related cryptographic algorithm of host information secret grade and information;
Encrypting module is confirmed the secret grade of accessed information, transmits after will needing information encrypted to encrypt again;
Configuration module is used to write down the key element of host information, comprising: name of the information, information private grade, the related cryptographic algorithm title that time, information are set, the decipherment algorithm title of encrypted information.
And the handset of corresponding split type terminal, comprising:
Communication module is used for from the main frame acquired information;
Search module, be used for searching the decipherment algorithm title of encrypted information in the host configuration module;
Deciphering module is used for calling the decipherment algorithm decryption information according to the decipherment algorithm name from the decipherment algorithm memory cell.
Implement the embodiment of the invention, have following beneficial effect:
Split type end host that the embodiment of the invention provides and the information interaction mode between the handset, by to the information setting secret grade in the main frame, and various information is associated with cryptographic algorithm, make the higher information of secret grade when being visited by handset, main frame can call the related cryptographic algorithm that sets in advance automatically accessed information is encrypted, with the fail safe in the information exchanging process between assurance main frame and the handset, thereby overcome the lower problem of information interaction fail safe between existing existing main frame of split type terminal and the handset.
Description of drawings
Fig. 1 is main frame and the handset information interaction host computer side schematic flow sheet that the embodiment of the invention provides;
Fig. 2 is main frame and the handset information interaction handset effluent journey schematic diagram that the embodiment of the invention provides;
Fig. 3 is the composition schematic diagram of the split type terminal that provides of the embodiment of the invention;
Fig. 4 is that the host computer side that the embodiment of the invention provides is specifically formed schematic diagram;
Fig. 5 is that the host computer side ciphering unit as shown in Figure 4 that the embodiment of the invention provides is formed schematic diagram;
Fig. 6 is that the handset side that the embodiment of the invention provides is specifically formed schematic diagram.
Embodiment
The split type end host encryption method that the embodiment of the invention provides, by to the information setting secret grade in the main frame, and various information is associated with cryptographic algorithm, make the higher information of secret grade when being visited by handset, main frame can call the related cryptographic algorithm that sets in advance automatically accessed information is encrypted, to guarantee the fail safe in the information exchanging process between main frame and the handset.
Need to prove that at first in the description of embodiment, for ease of describing conveniently, the cryptographic algorithm memory cell in following examples in the main frame has been preset in the main frame, has stored at least a cryptographic algorithm in the described cryptographic algorithm memory cell below; Corresponding in the decipherment algorithm memory module of handset, preset with main frame in the pairing decipherment algorithm of cryptographic algorithm stored in the cryptographic algorithm memory module, below repeat no more.
Referring to Fig. 1, split type end host that provides for the embodiment of the invention and the host computer side schematic flow sheet of handset information interaction embodiment.
In step 100, set the related cryptographic algorithm of host information secret grade and information;
Be specially the user by choice menus or other interactive mode that main frame provides, the information in the main frame is provided with, content is set comprises: the secret grade of setting information in the main frame; Various information in the main frame is selected a kind of cryptographic algorithm from main frame cryptographic algorithm memory cell, as the related cryptographic algorithm of this category information, so that when certain information is accessed, main frame calls the related cryptographic algorithm of this information place classification automatically to information encryption; Setting is used to judge the secret grade decision threshold to accessed information encryption;
After described setting was finished, main frame was recorded in the information element that is provided with in the configuration module automatically.
In step 101, main frame receives the visit application that is sent by handset;
In step 102, main frame need to judge whether handset that the access registrar password is provided; If be judged as not, then direct execution in step 105 judges whether the information that handset is visited needs to encrypt; If be judged as is that then execution in step 103;
In step 103, main frame receives the authentication password that handset sends;
In step 104, main frame judges whether the authentication password of described handset transmission is correct; Be that execution in step 105 judges whether the information that handset is visited needs to encrypt if be judged as; If be judged as not, then execution in step 110;
In step 110, main frame sends the authentication information error notification to handset after judging that the authentication password of described handset transmission is incorrect;
In step 111, the host record handset sends the number of times of authentication password mistake;
In step 112, judge whether the number of times of handset transmission authentication password mistake reaches the upper limit; If be judged as not, then return step 103, receive the authentication password that described handset resends; If be judged as be, then lock this handset, no longer receive the visit application that described handset sends;
In step 105, when main frame receive that handset sends obtain information applications after, secret grade and the secret grade decision threshold of accessed information are compared, be lower than secret grade decision threshold as if the secret grade of accessed information, then execution in step 109, directly transmit this information; If the secret grade of accessed information is not less than secret grade decision threshold, then execution in step 106;
In step 106, main frame sends the notice that accessed information is being encrypted to handset, and the related cryptographic algorithm of calling information to be encrypted from the cryptographic algorithm memory cell is encrypted information;
In step 107, main frame judges whether accessed information has finished encryption; If be judged as not, then return step 106; If be judged as be, then execution in step 108 and step 109;
Referring to Fig. 2, split type end host that provides for the embodiment of the invention and the handset effluent journey schematic diagram of handset information interaction embodiment.
In step 200, handset sends the visit application to main frame;
In step 201, handset waits for that main frame need to judge whether authentication password, if be judged as not, then goes to step 205; If be judged as is then to go to step 202;
In step 202, handset sends authentication password to main frame;
In step 203, handset waits for whether the host acknowledgement password is confirmed, if be judged as not, then execution in step 204; If be judged as is that then execution in step 205;
In step 204, handset receives the authentication password error notification that main frame sends, and returns step 202, resends authentication password;
In step 205, handset sends to main frame and obtains information applications, and the wait main frame judges whether this information needs to encrypt; If be judged as not, then execution in step 209, and handset is directly obtained information needed; If be judged as is that then execution in step 206;
In step 206, handset receives the information of main frame transmission and is encrypting notice, and the wait main frame is finished information encryption;
In step 207, handset confirms whether main frame finishes information encryption, if do not finish, then returns step 206 and continues to wait for; If finish, then execution in step 208;
In step 208, handset obtains information after encrypted from main frame, specifically comprises receiving the information dual mode that information that main frame sends to handset or handset are obtained to main frame;
In step 210, search the decipherment algorithm title of encrypted information in the host configuration module, be specially: handset is the information extraction title from the information after the process encryption of obtaining, and searches the decipherment algorithm title of this name of the information correspondence in the host configuration module according to described name of the information;
In step 211, handset according to the decipherment algorithm title of in configuration module, searching from the decipherment algorithm memory cell, call the decipherment algorithm deciphering from main frame obtain encrypted after information.
Split type end host that the invention described above embodiment provides and the information interaction mode between the handset, by to the information setting secret grade in the main frame, and various information is associated with cryptographic algorithm, make the higher information of secret grade when being visited by handset, main frame calls the related cryptographic algorithm that sets in advance automatically accessed information is encrypted the back transmission, thereby improves the fail safe in the information exchanging process between main frame and the handset.
Referring to Fig. 3, the composition schematic diagram of the split type terminal that provides for the embodiment of the invention;
The main distinction of the present invention and prior art is: increased encrypting module 22, configuration module 23 and module 21 is set in main frame 2 sides; For handset 1 side, mainly increased and searched module 12, deciphering module 11 and communication module 13.
Concrete, main frame 2 sides module 21 is set, be used to set the related cryptographic algorithm of host information secret grade and information; Encrypting module 22 is used to confirm the secret grade of accessed information, transmits after will needing information encrypted to encrypt again; Configuration module 23 is used to write down the information element after process is provided with module, encrypting module processing.
The communication module 13 of handset 1 side is used for from the main frame acquired information; Search module 12, be used for from described communication module obtain through the information information extraction title after encrypting, and in the host configuration module, search the decipherment algorithm title of this information; Deciphering module 11 is used for calling the decipherment algorithm decryption information according to searching the decipherment algorithm title that module 12 obtained from the decipherment algorithm storehouse.
Referring to Fig. 4, for the host computer side that the embodiment of the invention provides is specifically formed schematic diagram.
Need to prove that the split type end host side that the embodiment of the invention provides realizes the functional entity to information encryption, comprising:
Encrypting module 22 is confirmed the secret grade of accessed information, transmits after will needing information encrypted to encrypt again; Be specially when host information is accessed, the secret grade is not less than the information of secret grade decision threshold, transmit again according to after module 21 set associating information cryptographic algorithm are set encrypt;
Concrete, the described module 21 that is provided with comprises:
Cryptographic algorithm memory cell 211 is used to store at least a cryptographic algorithm and calls when the enciphered message for encrypting module;
Described encrypting module 22 comprises:
Judging unit 220, with the secret grade of accessed information with predefined secret grade decision threshold be set in the module compare, if the secret grade of accessed information is lower than secret grade decision threshold, directly transmit this information by host interface; If the secret grade of accessed information is not less than secret grade decision threshold, then notify ciphering unit that this information is encrypted;
Concrete, after the notice that need encrypt information that ciphering unit 221 receives that judging unit 220 sends, at first analyze the affiliated type of this information, then according to the related cryptographic algorithm of module 21 predefined these category informations is set, from cryptographic algorithm memory cell 211, calls corresponding cryptographic algorithm and treat enciphered message and encrypt; After encryption is finished, pass to handset by host interface 222;
Be specially and receive the various information that handset sends to main frame, comprising: information applications are applied for, are obtained in authentication password, visit; Host interface 222 also sends the various information that main frame passes to handset simultaneously.
Described configuration module 23 comprises:
Referring to Fig. 5, be the composition schematic diagram of embodiment of the invention host computer side ciphering unit 221.
Described ciphering unit 221 is used for the information encrypted that needs that described judging unit is judged is encrypted; It specifically comprises:
Notice subelement 2210 is used for when host information is encrypted, and encrypts by its information needed of host interface notice handset;
Encrypt subelement 2211,, from the cryptographic algorithm memory cell, call the related cryptographic algorithm of information to be encrypted and encrypt according to the related cryptographic algorithm of type under the information to be encrypted that is write down in the configuration module 23; The information of notice host interface after the handset transmission is through encryption after encryption is finished.
Referring to Fig. 6, for the handset side that the embodiment of the invention provides is specifically formed schematic diagram.
Need to prove that the split type null terminator Null pusher side that the embodiment of the invention provides is realized the functional entity to information encryption, comprising:
Search module 12, be used for the title obtained according to communication module 13, in the host configuration module, search the decipherment algorithm title of this information through the information after encrypting;
Deciphering module 11 is used for calling the decipherment algorithm decryption information according to searching the decipherment algorithm title that module 12 obtained from decipherment algorithm memory cell 211.
Concrete, described communication module 13 comprises:
Described deciphering module 11 comprises,
Decipherment algorithm memory cell 111 is used for storage and the pairing decipherment algorithm of main frame cryptographic algorithm memory cell cryptographic algorithm; After the cryptographic algorithm of described decipherment algorithm in main frame cryptographic algorithm memory cell determined, also corresponding determined one by one;
Split type end host that the enforcement embodiment of the invention provides and the information interaction mode between the handset, by to the information setting secret grade in the main frame, and various information is associated with cryptographic algorithm, make the higher information of secret grade when being visited by handset, can call the related cryptographic algorithm that sets in advance automatically encrypts, with the fail safe in the information exchanging process between assurance main frame and the handset, thereby overcome the lower problem of information interaction fail safe between existing existing main frame of split type terminal and the handset.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential hardware platform, can certainly all implement by hardware.Based on such understanding, all or part of can the embodying that technical scheme of the present invention contributes to background technology with the form of software product, this computer software product can be stored in the storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Above disclosed is a kind of preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (19)
1, a kind of split type end host encryption method is characterized in that described method comprises:
Set the related cryptographic algorithm of host information secret grade and information;
Confirm the secret grade of accessed information, will need to transmit again after the information encrypted encryption;
The related cryptographic algorithm title and the corresponding decipherment algorithm title that in configuration module, add encrypted information.
2, split type end host encryption method as claimed in claim 1 is characterized in that, described setting host information secret grade and related cryptographic algorithm thereof comprise:
At least a cryptographic algorithm is preset in the cryptographic algorithm memory cell;
Setting is used for comparing with the information private grade, judges whether information needs the secret grade decision threshold of encrypting;
Set host information secret grade;
From the cryptographic algorithm memory cell, select the related cryptographic algorithm of a kind of algorithm as various information.
3, split type end host encryption method as claimed in claim 1 or 2, it is characterized in that, after described setting host information secret grade and the related cryptographic algorithm thereof, key element with host information comprises: information name, secret grade, setting-up time, related cryptographic algorithm are recorded in the configuration module.
4, split type end host encryption method as claimed in claim 1 is characterized in that, the secret grade of the accessed information of described affirmation, and the information that is lower than secret threshold values directly transmits; Be not less than secret threshold values, will transmit again after the information encryption, comprising:
The secret grade and the secret grade decision threshold of accessed information are compared;
If the secret grade of accessed information is lower than secret grade decision threshold, directly transmit this information;
If the secret grade of accessed information is not less than secret grade decision threshold, transmit again after then this information being encrypted.
5, split type end host encryption method as claimed in claim 4 is characterized in that, described secret grade as if accessed information is higher than secret grade decision threshold, transmits this information again after then information being encrypted, and comprising:
The accessed information of notice handset is encrypted;
Calling the related cryptographic algorithm of information to be encrypted from the cryptographic algorithm memory cell encrypts information;
Provide through information encrypted to handset;
Upgrade configuration module, be included in the cryptographic algorithm title and the corresponding decipherment algorithm title of the encrypted information of record in the configuration module.
6, a kind of method of split type terminal handset deciphering host information is characterized in that described method comprises:
Obtain information after encrypted from main frame;
In the host configuration module, search the decipherment algorithm title of encrypted information;
According to the decipherment algorithm title call decipherment algorithm deciphering described from main frame obtain encrypted after information.
7, the method for split type terminal handset deciphering host information as claimed in claim 6 is characterized in that, preset in the handset decipherment algorithm memory cell with main frame cryptographic algorithm memory cell in the pairing decipherment algorithm of cryptographic algorithm.
8, the method for split type terminal handset deciphering host information as claimed in claim 6 is characterized in that, described obtain information from main frame before, also comprise:
Send the visit application to main frame;
Obtain information applications to the main frame transmission.
9, the method for split type terminal handset deciphering host information as claimed in claim 6 is characterized in that, the described information that obtains from main frame comprises: receive the information that main frame obtains to main frame to the information or the handset of handset transmission.
10, obtain the method for host information as each described split type terminal handset in the claim 6 to 9, it is characterized in that described decipherment algorithm title of searching encrypted information in the host configuration module comprises:
Information extraction title the information after the process of obtaining is encrypted;
In the host configuration module, search the decipherment algorithm title of this name of the information correspondence.
11, a kind of encryption device of split type end host is characterized in that, described encryption device comprises:
Module is set, is used to set the related cryptographic algorithm of host information secret grade and information;
Encrypting module is confirmed the secret grade of accessed information, transmits after will needing information encrypted to encrypt again;
Configuration module is used to write down the key element through the information after module, encrypting module are set handle.
12, the encryption device of split type end host as claimed in claim 11 is characterized in that, the described module that is provided with comprises:
The cryptographic algorithm memory cell is used to store at least a cryptographic algorithm;
The unit is set, is used for being provided with and comprises host information secret grade, secret grade decision threshold and the cryptographic algorithm of various information with the cryptographic algorithm memory cell is associated.
13, the encryption device of split type end host as claimed in claim 11 is characterized in that, described encrypting module comprises:
Judging unit is compared the secret grade and the secret grade decision threshold of accessed information, if the secret grade of accessed information is lower than secret grade decision threshold, directly transmits this information by host interface; If the secret grade of accessed information is not less than secret grade decision threshold, then notify ciphering unit that this information is encrypted;
Ciphering unit is used for the information encrypted that needs that described judging unit is judged is encrypted;
Host interface is used to provide the information interactive interface between main frame and handset.
14, the encryption device of split type end host as claimed in claim 13 is characterized in that, described ciphering unit comprises:
The notice subelement is used for when host information is encrypted, and encrypts by described its information needed of host interface notice handset;
Encrypt subelement, the related cryptographic algorithm that is used for calling from the cryptographic algorithm memory cell information to be encrypted is encrypted information.
15, the encryption device of split type end host as claimed in claim 11 is characterized in that, described configuration module comprises:
Record cell is used to write down the host information key element, comprising: the related cryptographic algorithm title of the time of name of the information and user's setting, information private grade, information;
Dispensing unit is used for adding the decipherment algorithm title of this information automatically in record cell after the encrypted unit of information is encrypted.
16, a kind of handset of split type terminal is characterized in that, described handset comprises:
Communication module is used for obtaining information from main frame;
Search module, be used for from described communication module obtain through the information information extraction title after encrypting, and in the host configuration module, search the decipherment algorithm title of this information;
Deciphering module is used for calling the decipherment algorithm decryption information according to searching the decipherment algorithm title that module obtains from the decipherment algorithm memory cell.
17, as the handset of split type terminal as described in the claim 16, it is characterized in that described communication module comprises:
Communication unit is used for carrying out information interaction with main frame;
Memory cell is used for the information that the memory communicating unit obtains from main frame.
As the handset of split type terminal as described in each in claim 16 or 17, it is characterized in that 18, described communication module is used to receive the information that information that main frame sends to handset and handset are obtained to main frame.
19, as the handset of split type terminal as described in the claim 16, it is characterized in that deciphering module comprises:
The decipherment algorithm memory cell is used for storage and the pairing decipherment algorithm of main frame cryptographic algorithm memory cell cryptographic algorithm;
Decrypting device is used for calling decipherment algorithm from the decipherment algorithm memory cell encrypted information is decrypted.
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| CN106411890B (en) * | 2016-09-29 | 2020-02-21 | 恒大智慧科技有限公司 | Signing and issuing user management method and device |
| CN106411886B (en) * | 2016-09-29 | 2020-05-12 | 恒大智慧科技有限公司 | Signing and issuing user management method and device |
| CN107770182A (en) * | 2017-10-30 | 2018-03-06 | 中国联合网络通信集团有限公司 | The date storage method and home gateway of home gateway |
| WO2023115681A1 (en) * | 2021-12-23 | 2023-06-29 | 黄策 | Distributed data encryption and decryption method |
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|---|---|
| CN101282218B (en) | 2011-05-25 |
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