CN105893862A - Browser cache data protection method and device - Google Patents

Browser cache data protection method and device Download PDF

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Publication number
CN105893862A
CN105893862A CN201510583361.8A CN201510583361A CN105893862A CN 105893862 A CN105893862 A CN 105893862A CN 201510583361 A CN201510583361 A CN 201510583361A CN 105893862 A CN105893862 A CN 105893862A
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China
Prior art keywords
browser
file
kernel
data
caching data
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CN201510583361.8A
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Chinese (zh)
Inventor
余绍鹏
刘文博
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Leshi Zhixin Electronic Technology Tianjin Co Ltd
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Leshi Zhixin Electronic Technology Tianjin Co Ltd
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Priority to CN201510583361.8A priority Critical patent/CN105893862A/en
Publication of CN105893862A publication Critical patent/CN105893862A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60Protecting data
    • G06F21/62Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • G06F21/6245Protecting personal data, e.g. for financial or medical purposes
    • G06F21/6263Protecting personal data, e.g. for financial or medical purposes during internet communication, e.g. revealing personal data from cookies

Abstract

Embodiments of the invention provide a browser cache data protection method and device. According to the method, a terminal encrypts browser cache data before writing the browser cache data into a disk, and even malicious software or plugins steal cache files in the disk, the correct contents cannot be read from the cache file, so that the data safety is improved. Moreover, the terminal decrypts the encrypted browser cache data stored in the disk by adopting a preset decryption algorithm, so as to obtain network resource data. By adopting the technical scheme, the terminal decrypts the browser cache data written in the disk through the corresponding decryption algorithm in the process of reading the browser cache data written in the disk, so that the terminal can reliably read the browser cache data written in the disk.

Description

The guard method of a kind of browser caching data and device
Technical field
The present embodiments relate to computer network security field, particularly relate to a kind of browser caching data Guard method and device.
Background technology
Along with the development of the Internet, various mobile terminals (such as mobile phone, pad etc.) are convenient with its communication, behaviour Make convenient characteristic to be widely used.At present, terminal can have independent operating system, user The application software that the third party service provider provides can be installed the most voluntarily, by this type of application software, can Function with terminal extension.
At present, in Android system, if terminal needs to obtain network data by browser, then need to pass through Browser generates network resource request instruction;And the instruction of this network resource request is sent to corresponding service Device;Server responds the instruction of this network resource request, generates corresponding network resource data and sends to terminal; The network resource data that server is sent by terminal caches to internal memory, and writes formation caching literary composition in disk Part.
Understand based on above-mentioned network resource data process, when terminal is subjected to malicious attack, assailant From the cache file of terminal, obtain the network resource data preserved in terminal disk, thus cause network to provide The leakage of source data.
As can be seen here, the problem that browser caching data exists poor stability.
Summary of the invention
The embodiment of the present invention provides guard method and the device of a kind of browser caching data, in order to solve at present The problem of the browser caching data poor stability existed.
The concrete technical scheme that the embodiment of the present invention provides is as follows:
The embodiment of the present invention provides the guard method of a kind of browser caching data, is applied to Android operation system In, described method includes:
Browser caching data is obtained by browser kernel;
Use predetermined encryption algorithm, by described browser kernel, described browser caching data is added Close;And
By described browser kernel by the browser caching data write local disk after encryption.
The embodiment of the present invention provides the protection device of a kind of browser caching data, is applied to Android operation system In, described device includes:
Acquiring unit, for obtaining browser caching data by browser kernel;
Ciphering unit, is used for using predetermined encryption algorithm, is delayed described browser by described browser kernel Deposit data is encrypted;
Writing unit, for writing this locality by described browser kernel by the browser caching data after encryption Disk.
In the embodiment of the present invention, terminal obtains, by browser kernel, the browser rs cache number that server sends According to;By this browser kernel, this browser caching data is encrypted, and the browser after encryption is delayed Deposit data write local disk.Using embodiment of the present invention technical scheme, terminal is by browser caching data Before write disk, browser caching data is encrypted, even if assailant obtains in disk the slow of write Deposit file, also cannot read correct content, thus improve the safety of browser caching data.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, retouch below Accompanying drawing in stating is some embodiments of the present invention, for those of ordinary skill in the art, is not paying On the premise of creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is communication system architecture schematic diagram in the embodiment of the present invention;
Fig. 2 is the flow chart in the embodiment of the present invention one protected browser caching data;
Fig. 3 is the generation realizing in the embodiment of the present invention one being encrypted browser caching data in cache file Code;
Fig. 4 a is to realize the generation of the browser caching data partial write disk of cache file in prior art Code;
Fig. 4 b is to realize the browser caching data partial write disk of cache file in the embodiment of the present invention Code;
Fig. 5 is the flow chart reading browser caching data in the embodiment of the present invention two;
Fig. 6 a is the code realizing reading browser caching data in prior art;
Fig. 6 b is the code realizing reading browser caching data in the embodiment of the present invention two;
Fig. 7 is the apparatus structure schematic diagram of browser caching data protection in the embodiment of the present invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the present invention Accompanying drawing in embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that Described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based in the present invention Embodiment, those of ordinary skill in the art obtained under not making creative work premise all its His embodiment, broadly falls into the scope of protection of the invention.
Refering to shown in Fig. 1, for communication system architecture schematic diagram in the embodiment of the present invention, this communication system includes Server and terminal.Specifically, terminal obtains request for sending network resource data to server, to ask Seek the corresponding network resource data of acquisition, and receive the network resource data that server sends, and as clear Device of looking at is data cached, before browser caching data is write disk buffering file, to browser rs cache number According to being encrypted, this terminal is the terminal (such as mobile phone, portable computer etc.) possessing User Interface, And the network resource data of terminal request determines according to concrete application scenarios, such as, when user passes through client When carrying out web page browsing, the network resource data of terminal request is page data;Server is used for obtaining end The network resource data of end request, and this network resource data is sent to terminal, this server is according to function Difference, sends the most different to the network resource data of terminal, such as, when this server is Web server, The transmission of this Web server is web data to the network resource data of terminal.
In above-mentioned communication system, multiple server and multiple terminal can be comprised, in the embodiment of the present invention, Only only comprise as a example by a server and a terminal by communication system, describe network resource data write in detail Local disk and the process of reading.
Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.
Embodiment one
Refering to shown in Fig. 2, in the embodiment of the present invention, terminal protects browser rs cache number by browser kernel According to process, including:
Step 200: terminal obtains browser caching data by browser kernel.
In the embodiment of the present invention, terminal receives the instruction of user's input, and the instruction inputted according to this user, Generate network resource data and obtain request;This network resource data is obtained request and sends to corresponding clothes by terminal Business device.Wherein, the operating system installed in above-mentioned terminal is Android operation system.
Optionally, terminal can run locally-installed client application, and after logging in this client, Send network resource data by browser kernel to server and obtain request;Terminal can also directly run this The browser that ground is installed, and detect the keyword that user inputs on this browser interface or the link chosen Information, generates the network resource data comprising this keyword or link information and obtains request;Terminal receives service The network resource data that device sends, this network resource data is considered as browser rs cache by the browser kernel of terminal Data, browser kernel presents corresponding information according to this browser caching data in browser interface.
Wherein, when terminal obtains network resource data by browser kernel, this browser kernel is Chromium kernel, or the browser kernel of secondary development is carried out based on chromium kernel.Below with Terminal directly by as a example by browse request network resource data, is discussed in detail terminal and obtains network resource data And protect the process of this network resource data.
Optionally, if the browser kernel of terminal is chromium kernel, then server is received when terminal Send network resource data time, the chromium kernel of terminal using this network resource data as browser Data cached, and this browser caching data is stored to internal memory;Meanwhile, terminal passes through chromium Backend object in kernel is that each Internet resources obtained creates Entry object, such as, terminal The network resource data of request is two pictures, then Backend object is that each pictures all creates correspondence Entry object;Terminal creates cache file (File) by Entry object in disk.
Step 210: use predetermined encryption algorithm, by described browser kernel to described browser rs cache number According to being encrypted.
In the embodiment of the present invention, before terminal is encrypted by browser kernel, in addition it is also necessary to generate described clear The cache file of the data cached correspondence of device of looking at, this cache file comprises three parts, and this three part is respectively file Head (head), browser caching data (data), and tail of file (eof).Wherein, file header Portion is in one section of data undertaking certain task of file beginning;Tail of file comprises for characterizing file knot The mark of bundle.
Structure based on above-mentioned cache file, optionally, browser is at least delayed by terminal by browser kernel Deposit data is encrypted;Concrete, described browser caching data is only carried out by terminal by browser kernel Encryption, uses this technical scheme, is only encrypted the browser caching data in cache file, effectively While ensureing browser caching data safety, decrease the data processing amount of system when being encrypted.
Optionally, terminal by browser kernel to the top of file of described cache file and browser rs cache number According to being encrypted;Or, terminal by browser kernel to described browser caching data and cache file Tail of file is encrypted;Or, terminal passes through the browser kernel top of file to described cache file, Browser caching data, and the tail of file of cache file is all encrypted.Use this technical scheme, eventually Some in cache file is encrypted by end by browser kernel, when assailant gets caching literary composition During part, the difficulty that increase assailant is cracked cache file, improve the safety of browser caching data.
Terminal uses multiple encryption algorithms by browser kernel, adds described browser caching data Close, optionally, terminal negates mode by browser kernel employing character and enters described browser caching data Row encryption;Or, terminal uses character stream back to front mode to delay described browser by browser kernel Deposit data is encrypted;Or, terminal uses MD5 algorithm to delay described browser by browser kernel Deposit data is encrypted.Additionally, terminal can also use other AESs to browsing by browser kernel Device is data cached to be encrypted, and does not repeats them here.
Optionally, terminal can also use above-mentioned AES to carry out the various piece in described cache file Encryption.
Further, terminal can also use the combination of multiple encryption algorithms to caching literary composition by browser kernel Part is encrypted;Such as, terminal uses the first AES literary composition to cache file by browser kernel Part head is encrypted, and uses the second AES to add the browser caching data of cache file Close;For another example, terminal uses the first AES to enter the top of file of cache file by browser kernel Row encryption, uses the second AES to be encrypted the browser caching data of cache file, uses the The tail of file of cache file is encrypted by three kinds of AESs;And for example, terminal is adopted by browser kernel With the first AES, the tail of file of cache file is encrypted, uses the second AES to slow The browser caching data depositing file is encrypted.Using this technical scheme, terminal is adopted by browser kernel Some in cache file is encrypted, when assailant gets slow with the combination of multiple cipher mode When depositing file, the difficulty that increase assailant is cracked cache file, improve the safety of browser caching data Property.
Terminal is during being encrypted browser caching data by browser kernel, in needing to take Depositing resource, therefore, optionally, terminal is being encrypted it by browser kernel to browser caching data After, the memory source taken is discharged.
Further, when the some in cache file is encrypted by terminal by browser kernel, Terminal need in by browser kernel to cache file encryption Partial encryption complete after, by take Memory source discharges.
Use this technical scheme, after browser caching data is encrypted, i.e. ciphering process is taken Memory source discharge, thus avoid memory source occupancy bigger time, cause terminal response speed Degree is slow, the even problem of RAM leakage, it is ensured that the data processing performance of terminal.
Concrete, refering to shown in Fig. 3, in the embodiment of the present invention, it is achieved to the browser in cache file The data cached code being encrypted;Wherein, ProtectCacheData function is for for browser rs cache The function that data are encrypted;Predetermined encryption algorithm is that character negates mode;ClearTmpDataMem function Function for the memory source for discharging provisional application.
Using technique scheme, terminal is after getting browser caching data, by this browser rs cache Before data write local disk, i.e. browser caching data is encrypted, it is to avoid assailant steals clear The problem that device of looking at is data cached, improves security of system.
Step 220: by browser kernel by the browser caching data write local disk after encryption.
In the embodiment of the present invention, the browser caching data after above-mentioned encryption is deposited by terminal by browser kernel Store up to cache file, and cache file is write local disk.
Optionally, after cache file is write local disk by browser kernel by terminal, release browser delays The memory source that deposit data takies.Use this technical scheme, after browser caching data is encrypted, The memory source taken time i.e. to browser caching data discharges, thus avoids memory source occupancy Time bigger, the slow-footed problem of terminal response caused, it is ensured that the data processing performance of terminal.
Optionally, terminal will can also be added in confidential information write disk by browser kernel, and this adds confidential information For characterizing the encrypted location of cache file, as only the browser caching data in cache file added Close, in order to the when of subsequent read browser caching data, it is possible to rapidly to the encryption part in cache file It is decrypted.Wherein, the above-mentioned confidential information that adds can be represented by preset characters, as 1 represents only to browser Data cached being encrypted, 2 represent that the top of file to described browser caching data and cache file is carried out Encryption;3 represent that the tail of file to described browser caching data and cache file is encrypted;4 represent The tail of file of the top of file to described cache file, browser caching data, and cache file all enters Row encryption.
Optionally, if the browser kernel of terminal is chromium kernel, then terminal passes through browser kernel The function performing write operation is respectively SimpleSynchronousEntry::InitializeCreatedFile, SimpleSynchronousEntry::WriteData and SimpleSynchronousEntry::Close;Wherein, SimpleSynchronousEntry::InitializeCreatedFile is for writing the top of file of cache file In disk;SimpleSynchronousEntry::WriteData is for providing the network of browser caching data In source data (browser caching data) partial write disk;SimpleSynchronousEntry::Close For the tail of file of cache file is write in disk.Such as, refering to shown in Fig. 4 a, for prior art In, the code in the browser caching data partial write disk of cache file is realized process;Refering to figure Shown in 4b, in the embodiment of the present invention, by the browser caching data partial write disk of cache file Code realize process;Wherein, ProtectCacheData function is for for carrying out browser caching data The function of encryption;ClearTmpDataMem function is the letter of the memory source for discharging provisional application Number.
Further, if the browser caching data that terminal need not get writes disk, then this terminal Still by browser kernel, above-mentioned browser caching data can be encrypted, thus avoid assailant Malice steal, it is ensured that the safety of browser caching data that terminal obtains.
In the embodiment of the present invention, only as a example by terminal is by browse request network resource data, it is situated between in detail The process of the terminal that continues write data, terminal passes through client call browser application requests Internet resources The process of data is similar to aforesaid way, does not repeats them here.
Embodiment two
Refering to shown in Fig. 5, in the embodiment of the present invention, terminal reads browser rs cache number by browser kernel According to process, including:
Step 500: receive browser caching data and read instruction;Wherein, described browser caching data is read Instruction fetch comprises data cached place to be read cache file mark, and described data cached place to be read The browser caching data comprised in the cache file that cache file mark is corresponding for write local disk it Before, through the data of encryption.
In the embodiment of the present invention, terminal receives browser caching data and reads instruction, this browser caching data Reading instruction can be user's directly instruction of input on this terminal interaction interface, it is also possible to be that terminal receives The instruction that other equipment sends, it is also possible to be that terminal is calling application program, and the operation of this application program need to During respective network resource data to be read, the instruction that system automatically generates;Terminal obtains this browser rs cache number According to reading the to be read data cached mark comprised in instruction.
Wherein, the operating system installed in above-mentioned terminal is Android operation system;Above-mentioned terminal request obtains Browser caching data is before write local disk, through the data of encryption;It is slow that terminal obtains Deposit file identification and can comprise the positional information of this data cached storage to be read, as to be read in this data cached The cache file title of storage, this data cached mark to be read can also is that system is this caching number to be read Unique mark according to configuration.
Step 510: obtain described data cached institute to be read from local disk by described browser kernel At the cache file that cache file mark is corresponding.
In the embodiment of the present invention, it is right that terminal obtains cache file mark by browser kernel from local disk Cache file after the encryption answered.If the browser kernel of terminal is chromium kernel, then terminal is passed through Cache file after the encryption that in chromium kernel, Entry object acquisition cache file mark is corresponding.
Owing to cache file comprises three parts, this three part is respectively top of file (head), and browser delays Deposit data (data), and tail of file (eof).Therefore, optionally, the caching literary composition after each encryption All comprising in part and add confidential information, this adds confidential information for characterizing the encrypted location of cache file, as when add secret letter When breath is for a, represents and only browser caching data is encrypted;Terminal reads this by browser kernel and adds Confidential information, and the encryption part adding confidential information instruction is decrypted.
Wherein, the above-mentioned confidential information that adds can be represented by preset characters, as 1 represents only to browser rs cache number According to being encrypted, 2 represent that the top of file to described browser caching data and cache file is encrypted;3 Represent that the tail of file to described browser caching data and cache file is encrypted;4 represent described slow The tail of file depositing the top of file of file, browser caching data, and cache file is all encrypted.
Using technique scheme, the browser kernel of terminal can determine rapidly caching literary composition according to adding confidential information Encryption part in part, and this encryption part is decrypted, accelerate data deciphering speed, improve number According to treatment effeciency.
Further, terminal can also be by browser kernel respectively in the browser caching data after encryption The various piece comprised resolves, and to determine encryption part, and is decrypted encryption part.
Optionally, if the browser kernel of terminal is chromium kernel, then terminal passes through browser kernel The function performing read operation is respectively SimpleSynchronousEntry::InitializeForOpen, SimpleSynchronousEntry::ReadData and SimpleSynchronousEntry::GetEOFRecordData;Wherein, SimpleSynchronousEntry::InitializeForOpen is for reading the top of file of cache file; SimpleSynchronousEntry::ReadData is for reading the browser caching data part of cache file; SimpleSynchronousEntry::GetEOFRecordData is for reading the tail of file of cache file.
Step 520: use and preset decipherment algorithm, is wrapped in described cache file by described browser kernel Browser caching data after the encryption contained is decrypted.
In the embodiment of the present invention, terminal uses the deciphering corresponding with AES to calculate by browser kernel Method, is decrypted described cache file, to obtain the browser caching data in cache file.
Optionally, when AES be character negate mode time, terminal by browser kernel use character take Described cache file is decrypted by antimode;Or, when AES is character stream back to front mode, Terminal uses character stream back to front mode to be decrypted described cache file by browser kernel;Or Person, when AES is MD5 algorithm, terminal uses MD5 algorithm to described slow by browser kernel Deposit file to be decrypted.
Use this technical scheme, during the browser caching data that terminal writes in reading disk, logical Cross corresponding decipherment algorithm the browser caching data of write in disk is decrypted, enable the terminals to reliable The browser caching data of write in reading disk.
Terminal, during being decrypted cache file by browser kernel, needs committed memory to provide Source, therefore, optionally, terminal, after being decrypted cache file by browser kernel, will be taken Memory source discharge.Use this technical scheme, after cache file is decrypted, i.e. to solution The memory source that close process takies discharges, thus avoid memory source occupancy bigger time, cause The slow-footed problem of terminal response, it is ensured that the data processing performance of terminal.
Concrete, refering to shown in Fig. 6 a, in prior art, by the browser rs cache number in cache file The code read according to part realizes process;Refering to shown in Fig. 6 b, in the embodiment of the present invention, literary composition will be cached The code that browser caching data part in part reads and deciphers realizes process;Wherein, DecodeCacheData function is the function for being decrypted cache file;ClearTmpDataMem Function is the function of the memory source for discharging provisional application.
Step 530: obtain the browser caching data after deciphering by described browser kernel.
In the embodiment of the present invention, only as a example by terminal is by browse request network resource data, it is discussed in detail Terminal reads the process of data, and terminal passes through client call browser application requests network resource data Process similar to aforesaid way, do not repeat them here.
Based on technique scheme, refering to shown in Fig. 7, the embodiment of the present invention also provides for a kind of data and retransmits dress Put, including acquiring unit 70, ciphering unit 71, and writing unit 72, wherein:
Acquiring unit 70, for obtaining browser caching data by browser kernel;
Ciphering unit 71, is used for using predetermined encryption algorithm, by described browser kernel to described browser Data cached it is encrypted;
Writing unit 72, for by described browser kernel by the browser caching data write after encryption originally Local disk.
Optionally, described browser kernel is chromium kernel, or on the basis of chromium kernel The browser kernel of secondary development.
Further, described device also includes cache file signal generating unit 73, is used for: delay described browser Before deposit data is encrypted, generate the cache file corresponding with described browser caching data;Described caching File includes top of file, browser caching data, and tail of file;
Described ciphering unit 71, is additionally operable to: be encrypted described top of file by described browser kernel; Or, by described browser kernel, described tail of file is encrypted;Or, by described browser The described top of file of interior verification, and tail of file is all encrypted.
Further, described device also includes processing unit 74, is used for: will be added by described browser kernel After browser caching data write local disk after close, receive browser caching data and read instruction;Its In, described browser caching data reads and comprises data cached place to be read cache file mark in instruction, And the browser comprised in the cache file of described data cached place to be read cache file mark correspondence delays Deposit data is before write local disk, through the data of encryption;By described browser kernel from Local disk obtains the cache file that described data cached place to be read cache file mark is corresponding;Pass through Browser caching data after the encryption to comprising in described cache file of the described browser kernel is decrypted; And obtain the browser caching data after deciphering by described browser kernel.
In sum, browser caching data, before browser caching data is write disk, is entered by terminal Row encryption, even if the cache file in disk stolen by Malware or plug-in unit, also cannot be from cache file Read correct content, thus improve the safety of data.Additionally, terminal uses presets decipherment algorithm, Browser caching data after the encryption preserved on terminal disk is decrypted, to obtain Internet resources number According to.Use embodiment of the present invention technical scheme, the browser caching data that terminal writes in reading disk During, by corresponding decipherment algorithm, the browser caching data of write in disk is decrypted, makes end End can the reliable browser caching data of write in reading disk.
Device embodiment described above is only schematically, wherein said illustrates as separating component Unit can be or may not be physically separate, the parts shown as unit can be or Person may not be physical location, i.e. may be located at a place, or can also be distributed to multiple network On unit.Some or all of module therein can be selected according to the actual needs to realize the present embodiment The purpose of scheme.Those of ordinary skill in the art are not in the case of paying performing creative labour, the most permissible Understand and implement.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive each reality The mode of executing can add the mode of required general hardware platform by software and realize, naturally it is also possible to by firmly Part.Based on such understanding, the portion that prior art is contributed by technique scheme the most in other words Dividing and can embody with the form of software product, this computer software product can be stored in computer can Read in storage medium, such as ROM/RAM, magnetic disc, CD etc., including some instructions with so that one Computer equipment (can be personal computer, server, or the network equipment etc.) performs each embodiment Or the method described in some part of embodiment.
Last it is noted that above example is only in order to illustrate the technical scheme of the embodiment of the present invention, rather than It is limited;Although the embodiment of the present invention being described in detail with reference to previous embodiment, this area Those of ordinary skill is it is understood that the technical scheme described in foregoing embodiments still can be repaiied by it Change, or wherein portion of techniques feature is carried out equivalent;And these amendments or replacement, do not make phase The essence answering technical scheme departs from the spirit and scope of the embodiment of the present invention each embodiment technical scheme.

Claims (8)

1. a guard method for browser caching data, is applied in Android operation system, and its feature exists In, described method includes:
Browser caching data is obtained by browser kernel;
Use predetermined encryption algorithm, by described browser kernel, described browser caching data is added Close;And
By described browser kernel by the browser caching data write local disk after encryption.
Method the most according to claim 1, it is characterised in that described browser kernel is chromium Kernel, or the browser kernel of secondary development on the basis of chromium kernel.
Method the most according to claim 1 and 2, it is characterised in that to described browser rs cache number Before being encrypted, described method also includes:
Generate the cache file corresponding with described browser caching data;
Described cache file includes top of file, browser caching data, and tail of file;
By described browser kernel, described browser caching data is encrypted, also includes:
By described browser kernel, described top of file is encrypted;Or,
By described browser kernel, described tail of file is encrypted;Or,
By described browser kernel to described top of file, and described tail of file is all encrypted.
Method the most according to claim 3, it is characterised in that will be added by described browser kernel After browser caching data write local disk after close, also include:
Receive browser caching data and read instruction;Wherein, wrap during described browser caching data reads instruction Identify containing data cached place to be read cache file, and described data cached place to be read cache file mark Knowing the browser caching data comprised in corresponding cache file is before write local disk, through encryption The data processed;
From local disk, described data cached place to be read caching literary composition is obtained by described browser kernel The cache file that part mark is corresponding;
By the browser caching data after the encryption to comprising in described cache file of the described browser kernel It is decrypted;And
The browser caching data after deciphering is obtained by described browser kernel.
5. a protection device for browser caching data, is applied in Android operation system, and its feature exists In, described device includes:
Acquiring unit, for obtaining browser caching data by browser kernel;
Ciphering unit, is used for using predetermined encryption algorithm, is delayed described browser by described browser kernel Deposit data is encrypted;
Writing unit, for writing this locality by described browser kernel by the browser caching data after encryption Disk.
Device the most according to claim 5, it is characterised in that described browser kernel is chromium Kernel, or the browser kernel of secondary development on the basis of chromium kernel.
7. according to the device described in claim 5 or 6, it is characterised in that described device also includes caching File generating unit, is used for:
Before described browser caching data is encrypted, generate corresponding with described browser caching data Cache file;
Described cache file includes top of file, browser caching data, and tail of file;
Described ciphering unit, is additionally operable to:
By described browser kernel, described top of file is encrypted;Or,
By described browser kernel, described tail of file is encrypted;Or,
By described browser kernel to described top of file, and described tail of file is all encrypted.
Device the most according to claim 7, it is characterised in that also include processing unit, be used for:
By described browser kernel by after the browser caching data write local disk after encryption, receive Browser caching data reads instruction;Wherein, described browser caching data comprises to be read in reading instruction Data cached place cache file mark, and described data cached place to be read cache file mark correspondence The browser caching data comprised in cache file is before write local disk, through the number of encryption According to;
From local disk, described data cached place to be read caching literary composition is obtained by described browser kernel The cache file that part mark is corresponding;
By the browser caching data after the encryption to comprising in described cache file of the described browser kernel It is decrypted;And
The browser caching data after deciphering is obtained by described browser kernel.
CN201510583361.8A 2015-09-14 2015-09-14 Browser cache data protection method and device Pending CN105893862A (en)

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CN106372157A (en) * 2016-08-30 2017-02-01 维沃移动通信有限公司 Classification method of cached data and terminal
CN110659431A (en) * 2019-09-20 2020-01-07 四川长虹电器股份有限公司 Disk cache optimization method for Android television browser
CN114422259A (en) * 2022-01-26 2022-04-29 宋舒涵 Internet resource monitoring and distributing method facing high concurrent data request

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