CN101282218B - Method for ciphering and deciphering host computer and pickaback plane of split type terminal - Google Patents
Method for ciphering and deciphering host computer and pickaback plane of split type terminal Download PDFInfo
- Publication number
- CN101282218B CN101282218B CN2008100281866A CN200810028186A CN101282218B CN 101282218 B CN101282218 B CN 101282218B CN 2008100281866 A CN2008100281866 A CN 2008100281866A CN 200810028186 A CN200810028186 A CN 200810028186A CN 101282218 B CN101282218 B CN 101282218B
- Authority
- CN
- China
- Prior art keywords
- information
- encrypted
- host
- handset
- main frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Storage Device Security (AREA)
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 that a kind of split type terminal and main frame thereof are encrypted and handset is deciphered host information.
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 that a kind of split type terminal and main frame thereof are encrypted and handset is deciphered host information, 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 the method that a kind of split type end host is encrypted and handset is deciphered host information, 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;
Main frame adds the related cryptographic algorithm title and the corresponding decipherment algorithm title of encrypted information in the host configuration module.
Handset is from the main frame acquired information;
Handset is searched the decipherment algorithm title of encrypted information in the host configuration module;
Handset according to the decipherment algorithm title call decipherment algorithm deciphering described from main frame obtain encrypted after information.
Accordingly, the embodiment of the invention also provides a kind of split type terminal, comprises main frame and handset, and the encryption device of the main frame of described split type terminal comprises:
Module is set, is used to set the related cryptographic algorithm of host information secret grade and information;
Encrypting module is used to confirm the secret grade of accessed information, transmits after will needing information encrypted to encrypt again;
Configuration module, the key element that is used to write down through the host information after module, encrypting module are set handle comprises: the time that name of the information, information private grade, user are provided with, the related cryptographic algorithm title of information, the decipherment algorithm title of encrypted information;
The handset of described split type terminal 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.
Implement the embodiment of the invention, have following beneficial effect:
The method that split type terminal that the embodiment of the invention provides and main frame are encrypted and handset is deciphered host information, 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:
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:
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 (17)
1. a split type end host is encrypted and the method for handset deciphering host information, it is characterized in that described method comprises:
Set the related cryptographic algorithm of host information secret grade and information;
The secret grade of the accessed information of host acknowledgement will need to transmit after the information encrypted encryption again;
Main frame adds the related cryptographic algorithm title and the corresponding decipherment algorithm title of encrypted information in the host configuration module;
Handset obtains information after encrypted from main frame;
Handset is searched the decipherment algorithm title of encrypted information in the host configuration module;
Handset according to the decipherment algorithm title call decipherment algorithm deciphering described from main frame obtain encrypted after information.
2. the method that split type end host as claimed in claim 1 is encrypted and handset is deciphered host information is characterized in that the related cryptographic algorithm of described setting host information secret grade and information comprises:
At least a cryptographic algorithm is preset in the main frame 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;
To the various information in the main frame, from main frame cryptographic algorithm memory cell, select a kind of algorithm, as the related cryptographic algorithm of this category information.
3. the method that split type end host as claimed in claim 1 or 2 is encrypted and handset is deciphered host information, it is characterized in that, after the related cryptographic algorithm of described setting host information secret grade and information, key element with host information comprises: information name, secret grade, setting-up time, related cryptographic algorithm are recorded in the host configuration module.
4. the method that split type end host as claimed in claim 1 is encrypted and handset is deciphered host information is characterized in that, the secret grade of the accessed information of described host acknowledgement will need to transmit after the information encrypted encryption again, comprise:
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. the method that split type end host as claimed in claim 4 is encrypted and handset is deciphered host information is characterized in that, and is described if the secret grade of accessed information is not less than secret grade decision threshold, and transmission again after then information being encrypted comprises:
The accessed information of notice handset is encrypted;
Calling the related cryptographic algorithm of information to be encrypted from main frame cryptographic algorithm memory cell encrypts information;
Provide through information encrypted to handset;
Upgrade the host configuration module, be included in the related cryptographic algorithm title and the corresponding decipherment algorithm title of the encrypted information of record in the host configuration module.
6. split type end host as claimed in claim 2 is encrypted and the method for handset deciphering host information, it 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.
7. split type end host as claimed in claim 1 is encrypted and the method for handset deciphering host information, it is characterized in that, described handset also comprises before obtaining information after encrypted from main frame:
Send the visit application to main frame;
Obtain information applications to the main frame transmission.
8. split type end host as claimed in claim 1 is encrypted and the method for handset deciphering host information, it is characterized in that, described handset comprises from the information that main frame obtains after encrypted: receive the information that information that main frame sends to handset or handset are obtained to main frame.
9. as each method that described split type end host is encrypted and handset is deciphered host information in the claim 6 to 8, it is characterized in that described handset is searched the decipherment algorithm title of encrypted information in the host configuration module, comprising:
From obtain encrypted after information the information extraction title;
In the host configuration module, search the decipherment algorithm title of this name of the information correspondence.
10. a split type terminal comprises main frame and handset, it is characterized in that, the encryption device of the main frame of described split type terminal comprises:
Module is set, is used to set the related cryptographic algorithm of host information secret grade and information;
Encrypting module is used to confirm the secret grade of accessed information, transmits after will needing information encrypted to encrypt again;
Configuration module, the key element that is used to write down through the host information after module, encrypting module are set handle comprises: the time that name of the information, information private grade, user are provided with, the related cryptographic algorithm title of information, the decipherment algorithm title of encrypted information;
The handset of described split type terminal 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.
11. split type terminal as claimed in claim 10 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 to be provided with host information secret grade, secret grade decision threshold, and various information is associated with cryptographic algorithm in the cryptographic algorithm memory cell.
12. split type terminal as claimed in claim 11 is characterized in that, described encrypting module comprises:
Judging unit is used for 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 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.
13. split type terminal as claimed in claim 12 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.
14. split type terminal as claimed in claim 12 is characterized in that, described configuration module comprises:
Record cell is used to write down the key element of host information, comprising: the related cryptographic algorithm title of the time that name of the information and user are provided with, 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.
15., it is characterized in that described communication module comprises as split type terminal as described in the claim 10:
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.
16., it is characterized in that described communication module is used to receive the information that information that main frame sends to handset and handset are obtained to main frame as split type terminal as described in claim 10 or 15.
17., it is characterized in that described deciphering module comprises as split type terminal as described in the claim 11:
The decipherment algorithm memory cell is used for storing the pairing decipherment algorithm of cryptographic algorithm in the cryptographic algorithm memory cell with main frame;
Decrypting device is used for calling decipherment algorithm from the decipherment algorithm memory cell encrypted information is decrypted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100281866A CN101282218B (en) | 2008-05-20 | 2008-05-20 | Method for ciphering and deciphering host computer and pickaback plane of split type terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100281866A CN101282218B (en) | 2008-05-20 | 2008-05-20 | Method for ciphering and deciphering host computer and pickaback plane of split type terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101282218A CN101282218A (en) | 2008-10-08 |
| CN101282218B true CN101282218B (en) | 2011-05-25 |
Family
ID=40014515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100281866A Active CN101282218B (en) | 2008-05-20 | 2008-05-20 | Method for ciphering and deciphering host computer and pickaback plane of split type terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101282218B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305449B (en) * | 2011-05-05 | 2013-04-24 | 深圳市森控科技有限公司 | Method for controlling modular machine system based on networking communication mode |
| CN103442124B (en) * | 2013-08-01 | 2016-05-04 | 宇龙计算机通信科技(深圳)有限公司 | A kind of separated mobile terminal and theft preventing method and system |
| CN104917734B (en) * | 2014-03-14 | 2018-05-01 | 威盛电子股份有限公司 | Safe communication system and safety communicating method |
| CN104796292B (en) * | 2015-04-27 | 2018-05-04 | 上海青橙实业有限公司 | Terminal management method and terminal system |
| CN106411885A (en) * | 2016-09-29 | 2017-02-15 | 广州鹤互联网科技有限公司 | Safety management method and system for electronic endorsement |
| 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 |
| CN106230866A (en) * | 2016-09-29 | 2016-12-14 | 广州鹤互联网科技有限公司 | A kind of electronic endorsement method for managing security and system |
| 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 |
| CN107770182B (en) * | 2017-10-30 | 2020-09-08 | 中国联合网络通信集团有限公司 | Data storage method of home gateway and home gateway |
| CN114282175A (en) * | 2021-12-23 | 2022-04-05 | 黄策 | Distributed data encryption and decryption method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916925A (en) * | 2006-09-05 | 2007-02-21 | 北京飞天诚信科技有限公司 | Method and equipment for carrying out safety communication between USB device and host |
| CN1997159A (en) * | 2006-09-29 | 2007-07-11 | 清华大学深圳研究生院 | Encryption method of video stream based on H.264 coding standard with controllable quality |
| CN101005352A (en) * | 2007-01-23 | 2007-07-25 | 华为技术有限公司 | Method, system, server and terminal device for preventing network game external store |
-
2008
- 2008-05-20 CN CN2008100281866A patent/CN101282218B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916925A (en) * | 2006-09-05 | 2007-02-21 | 北京飞天诚信科技有限公司 | Method and equipment for carrying out safety communication between USB device and host |
| CN1997159A (en) * | 2006-09-29 | 2007-07-11 | 清华大学深圳研究生院 | Encryption method of video stream based on H.264 coding standard with controllable quality |
| CN101005352A (en) * | 2007-01-23 | 2007-07-25 | 华为技术有限公司 | Method, system, server and terminal device for preventing network game external store |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101282218A (en) | 2008-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101282218B (en) | Method for ciphering and deciphering host computer and pickaback plane of split type terminal | |
| CN100459780C (en) | Robust and flexible digital rights management involving a tamper-resistant identity module | |
| JP4866863B2 (en) | Security code generation method and user device | |
| CN106878245B (en) | Graphic code information providing and obtaining method, device and terminal | |
| CN102750497B (en) | Method and device for deciphering private information | |
| CN101325485A (en) | A method for processing information in an electronic device, a system, an electronic device and a processing block | |
| WO2006109307A2 (en) | Method, device, and system of selectively accessing data | |
| CN101014944A (en) | Method and apparatus for digital rights management | |
| CN1910531B (en) | Method and system used for key control of data resource, related network | |
| WO2005091149A1 (en) | Backup device, backed-up device, backup intermediation device, backup system, backup method, data restoration method, program, and recording medium | |
| CN106874743B (en) | Method and system for storing and extracting smart card password | |
| CN102647279B (en) | Encryption method, encrypted card, terminal equipment and interlocking of phone and card device | |
| CN104244237A (en) | Data transmitting and receiving method, receiving and transmitting terminal and data transmitter-receiver set | |
| CN102123027A (en) | Information security processing method and mobile terminal | |
| CN102866960A (en) | Method for realizing encryption in storage card, decrypting method and device | |
| WO2010057423A1 (en) | Encryption and decryption method and system for ic card and the reader device | |
| CN101171860B (en) | Security method and device for managing access to multimedia contents | |
| CN109618313B (en) | Vehicle-mounted Bluetooth device and connection method and system thereof | |
| CN115118419A (en) | Data transmission method of security chip, security chip device, equipment and medium | |
| US20080292104A1 (en) | Recovery of Expired Decryption Keys | |
| CN104994498B (en) | The method and system that a kind of terminal applies are interacted with mobile phone card application | |
| US8234501B2 (en) | System and method of controlling access to a device | |
| CN110955909B (en) | Personal data protection method and block link point | |
| US20090024844A1 (en) | Terminal And Method For Receiving Data In A Network | |
| CN103514540B (en) | A kind of excellent shield service implementation method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |