CN106657009A - Resource packet encryption method, resource packet decryption method and devices - Google Patents
Resource packet encryption method, resource packet decryption method and devices Download PDFInfo
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- CN106657009A CN106657009A CN201611024416.2A CN201611024416A CN106657009A CN 106657009 A CN106657009 A CN 106657009A CN 201611024416 A CN201611024416 A CN 201611024416A CN 106657009 A CN106657009 A CN 106657009A
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000013507 mapping Methods 0.000 claims description 19
- 230000006870 function Effects 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
Abstract
The invention discloses a resource packet encryption method, a resource packet decryption method, a resource packet encryption device and a resource packet decryption device. The resource packet encryption method includes the following steps that: a resource packet to be encrypted is obtained; multimedia files in the resource packet are traversed, the multimedia files in the resource packet are encrypted according to a preset encryption method, so that an encrypted resource packet can be obtained; and the encrypted resource packet is stored. With the resource packet encryption method provided by the technical schemes of the invention adopted, the encryption security of the resource packet can be improved.
Description
Technical field
The present invention relates to communication technical field, and in particular to a kind of resource packet encryption method, resource bag decryption method and dress
Put.
Background technology
(WWW) is one of information service popular on internet for WWW, and HTML5 is standard generalized markup language
Under the 5th material alteration using HTML, belong to the kernel language of WWW.The design mesh of HTML5
Be to support multimedia on the mobile apparatus so that user can be on the mobile apparatus based on HTML5 from positioned at long-range meter
Multimedia resource (such as text, audio frequency, video, figure, animation, rest image are downloaded and played on calculation machine or content server
Deng).
It is using the password for increasing resource bag password currently for the encipherment scheme of the resource bag downloaded based on Html5
Mechanism, i.e., when user uses resource bag, needing first to be input into the password for pre-setting can use the resource bag.However, due to
The form relatively single (typically letter, numeral or letter and number combinatorics on words) of password, this allows other people to pass through violence
The mode for cracking obtains the password of resource bag so that the encryption of the resource bag is performed practically no function.It can be seen that, it is above-mentioned that mouth is increased to resource bag
The cipher mechanism security of order is relatively low.
The content of the invention
The present invention provides a kind of resource packet encryption method, resource bag decryption method and device, for improving the peace of resource bag
Quan Xing.
One aspect of the present invention provides a kind of resource packet encryption method, including：
Obtain resource bag to be encrypted；
The multimedia file in above-mentioned resource bag to be encrypted is traveled through, according to default AES in above-mentioned resource bag
Multimedia file be encrypted, the resource bag after being encrypted；
Store the resource bag after above-mentioned encryption.
Based on above-mentioned in a first aspect, in the first possible implementation, above-mentioned default AES is specially private
There is byte AES；
It is above-mentioned the multimedia file in above-mentioned resource bag is encrypted according to default AES, including：
Call the internal memory mapping of the multimedia file that mmap functions are set up in above-mentioned resource bag；
The byte data of above-mentioned multimedia file is modified according to default privately owned byte AES；
Release the internal memory mapping of above-mentioned multimedia file.
It is above-mentioned in second possible implementation based on the first possible implementation of above-mentioned first aspect
The byte data of above-mentioned multimedia file is modified according to default privately owned byte AES, including：To above-mentioned many matchmakers
The byte data of body file carries out height bit flipping.
Second aspect present invention provides a kind of resource bag decryption method, including：
Resource bag to be decrypted is obtained, wherein, the multimedia file in above-mentioned resource bag to be decrypted is added using default
Close algorithm for encryption is formed；
The multimedia file in above-mentioned resource bag to be decrypted is traveled through, according to default decipherment algorithm in above-mentioned resource bag
Multimedia file be decrypted, the resource bag after being decrypted；
Export the resource bag after above-mentioned decryption.
Resource based on second aspect present invention, in the first possible implementation, after the above-mentioned decryption of above-mentioned output
Bag, includes afterwards：
After resource coating end after above-mentioned decryption is called, the multimedia text in the resource bag after above-mentioned decryption is traveled through
Part, is encrypted according to above-mentioned AES to the multimedia file in the resource bag after above-mentioned decryption.
Third aspect present invention provides a kind of resource packet encryption device, including：
Acquiring unit, for obtaining resource bag to be encrypted；
Ciphering unit, for traveling through the resource bag to be encrypted that above-mentioned acquiring unit gets in multimedia file, root
The multimedia file in above-mentioned resource bag is encrypted according to default AES, the resource bag after being encrypted；
Memory cell, for storing the resource bag Jing after the encryption of above-mentioned ciphering unit.
Based on third aspect present invention, in the first possible implementation, above-mentioned default AES is specially
Privately owned byte AES；
Above-mentioned ciphering unit includes：
Internal memory map unit, the internal memory mapping of the multimedia file for calling mmap functions to set up in above-mentioned resource bag；
Data convert unit, for the byte data according to default privately owned byte AES to above-mentioned multimedia file
Modify；
Internal memory maps lifting unit, and the internal memory for releasing above-mentioned multimedia file maps.
Based on the first possible implementation of third aspect present invention, in second possible implementation, on
State data convert unit specifically for：Height bit flipping is carried out to the byte data of above-mentioned multimedia file.
Fourth aspect present invention provides a kind of resource bag and decrypts device, including：Acquiring unit, for obtaining money to be decrypted
Source is wrapped, wherein, the multimedia file in above-mentioned resource bag to be decrypted is formed using the encryption of default AES；
Decryption unit, for traveling through above-mentioned resource bag to be decrypted in multimedia file, according to default decipherment algorithm
Multimedia file in above-mentioned resource bag is decrypted, the resource bag after being decrypted；
Output unit, for exporting the resource bag Jing after the decryption of above-mentioned decryption unit.
Based on fourth aspect present invention, in the first possible implementation, above-mentioned default AES is specially private
There is byte AES, above-mentioned default decipherment algorithm is specially privately owned byte decipherment algorithm；
Above-mentioned decryption unit includes：
Internal memory map unit, the internal memory mapping of the multimedia file for calling mmap functions to set up in above-mentioned resource bag；
Data convert unit, for the byte data according to default privately owned byte decipherment algorithm to above-mentioned multimedia file
Reduced；
Internal memory maps lifting unit, and the internal memory for releasing above-mentioned multimedia file maps.
Therefore, by the multimedia file in traversal resource bag and to the multimedia text in the resource bag in the present invention
Part carries out encryption and decryption.On the one hand, because the multimedia file in resource bag is encrypted according to specific AES, therefore, not
In the case of knowing the AES that the multimedia file is used, it may be difficult to the resource is viewed by way of Brute Force
Multimedia file in bag, improves the security of resource bag；On the other hand, due to only entering to the multimedia file in resource bag
Row encryption and decryption, therefore, it is possible to effectively improve the encryption and decryption efficiency to resource bag.
Description of the drawings
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 embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
A kind of resource packet encryption method one embodiment schematic flow sheet that Fig. 1 is provided for the present invention；
A kind of resource bag decryption method one embodiment schematic flow sheet that Fig. 2 is provided for the present invention；
A kind of resource packet encryption device one embodiment structural representation that Fig. 3 is provided for the present invention；
A kind of resource bag decryption device one embodiment structural representation that Fig. 4 is provided for the present invention.
Specific embodiment
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described reality
It is only a part of embodiment of the invention to apply example, and not all embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
Embodiment one
The embodiment of the present invention provides a kind of resource packet encryption method, refers to Fig. 1, and the resource bag in the embodiment of the present invention adds
Decryption method, including：
101st, resource bag to be encrypted is obtained；
In the embodiment of the present invention, the selection that can be based on user obtains resource bag to be encrypted, and for example, user downloads from
And select the resource bag for needing encryption, in a step 101, obtain to be encrypted according to the selection of user in unencrypted resource bag
Resource bag.Or, it is also possible to after the download of resource bag is completed (such as the download of resource bag is completed based on Html5), obtain automatically
The resource bag is taken as above-mentioned resource bag (triggering the execution of step 101) to be encrypted.Certainly, the embodiment of the present invention can also
Resource bag to be encrypted is obtained using alternate manner, is not construed as limiting herein.
102nd, the multimedia file in above-mentioned resource bag to be encrypted is traveled through, according to default AES to above-mentioned resource
Multimedia file in bag is encrypted, the resource bag after being encrypted；
In the embodiment of the present invention, the multimedia file in the resource bag to be encrypted that traversal step 101 is obtained, and according to pre-
If AES the multimedia file in above-mentioned resource bag is encrypted, the resource bag after being encrypted.Specifically, can be with
According to the conventional suffix name area of various multimedia files (such as the file such as text, audio frequency, video, figure, animation, rest image)
The multimedia file and non-multimedia file in resource bag is separated, and then according to default AES in above-mentioned resource bag
Multimedia file is encrypted, the resource bag after being encrypted.
Optionally, above-mentioned default AES is specially privately owned byte AES.It is above-mentioned to be calculated according to default encryption
Method is encrypted to the multimedia file in above-mentioned resource bag, including：Mmap functions are called to set up above-mentioned resource bag to be encrypted
In multimedia file internal memory mapping；According to byte data of the default privately owned byte AES to above-mentioned multimedia file
Modify；Release the internal memory mapping of above-mentioned multimedia file.Specifically, it is above-mentioned according to default privately owned byte AES pair
The byte data of above-mentioned multimedia file is modified can be included：High-low-position is carried out to the byte data of above-mentioned multimedia file
Upset.Certainly, it is above-mentioned the byte data of above-mentioned multimedia file is modified according to default privately owned byte AES
Can be alternate manner, for example：The byte data of the high-order preset length of above-mentioned multimedia file is revised as into default byte
Data, and/or, the byte data of the preset length of above-mentioned multimedia file low level is revised as into default byte data.It is above-mentioned
The internal memory mapping for releasing above-mentioned multimedia file is specifically as follows：By munmap Function Solutions except the internal memory of above-mentioned multimedia file
Mapping.
103rd, the resource bag after above-mentioned encryption is stored；
Resource bag after the encryption of storing step 102, so that subsequent user can use the money by specific application program
Wrap in source.
It should be noted that the resource packet encryption method in the embodiment of the present invention can be realized by resource packet encryption device,
The resource packet encryption device can be integrated in the way of software or hardware or software and hardware combining terminal (such as personal computer,
Mobile phone, panel computer, learning machine etc.) in.
Therefore, by the multimedia file in traversal resource bag and to the multimedia text in the resource bag in the present invention
Part is encrypted.On the one hand, because the multimedia file in resource bag is encrypted according to specific AES, therefore, do not knowing
In the case of knowing the AES that the multimedia file is used, it may be difficult to the resource bag is viewed by way of Brute Force
In multimedia file, improve the security of resource bag；On the other hand, due to only carrying out to the multimedia file in resource bag
Encryption, therefore, it is possible to effectively improve the encryption efficiency to resource bag.
Embodiment two
The embodiment of the present invention provides a kind of resource bag decryption method, refers to Fig. 2, the resource bag solution in the embodiment of the present invention
Decryption method, including：
201st, resource bag to be decrypted is obtained；
Wherein, the multimedia file in above-mentioned resource bag to be decrypted is formed using the encryption of default AES.Specifically
, the resource packet encryption mode that the cipher mode of above-mentioned resource bag is referred in embodiment illustrated in fig. 1 is realized, is no longer gone to live in the household of one's in-laws on getting married herein
State.
In the embodiment of the present invention, the selection that can be based on user obtains resource bag to be encrypted, and for example, user downloads from
And select the resource bag for needing encryption, in a step 101, obtain to be encrypted according to the selection of user in unencrypted resource bag
Resource bag.Or, it is also possible to when user opens the resource bag by specific application program, obtain automatically currently by above-mentioned
The resource bag that application program is opened is used as above-mentioned resource bag (triggering the execution of step 201) to be encrypted.Certainly, the present invention is real
Applying example can also adopt alternate manner to obtain resource bag to be decrypted, be not construed as limiting herein.
202nd, the multimedia file in above-mentioned resource bag to be decrypted is traveled through, according to default decipherment algorithm to above-mentioned resource
Multimedia file in bag is decrypted, the resource bag after being decrypted；
In the embodiment of the present invention, above-mentioned decipherment algorithm is the algorithm corresponding with the AES that step 201 is referred to.In step
In rapid 202, can be according to various multimedia files (such as the file such as text, audio frequency, video, figure, animation, rest image)
Conventional suffix name distinguishes the multimedia file in resource bag and non-multimedia file, and then according to default decipherment algorithm to upper
The multimedia file stated in resource bag is decrypted, the resource bag after being decrypted.
Optionally, above-mentioned default AES is specially privately owned byte AES, above-mentioned default decipherment algorithm tool
Body is privately owned byte decipherment algorithm.It is above-mentioned the multimedia file in above-mentioned resource bag is solved according to default decipherment algorithm
It is close, including：Call the internal memory mapping of the multimedia file that mmap functions are set up in above-mentioned resource bag to be decrypted；According to default
Privately owned byte decipherment algorithm is reduced to the byte data of above-mentioned multimedia file；The internal memory for releasing above-mentioned multimedia file reflects
Penetrate.Illustrate, the multimedia file in above-mentioned resource bag to be decrypted is by the byte data to above-mentioned multimedia file
The mode for carrying out height bit flipping is encrypted and formed, then it is above-mentioned according to default privately owned byte decipherment algorithm to above-mentioned multimedia file
Byte data reduced and mutually should be：Height bit flipping is carried out to the byte data of above-mentioned multimedia file.Certainly, it is above-mentioned to treat
Multimedia file in the resource bag of decryption can also be formed using alternate manner encryption, for example：Above-mentioned resource bag to be decrypted
In multimedia file be revised as default byte also by by the byte data of the high-order preset length of above-mentioned multimedia file
Data and/or the mode that the byte data of the preset length of above-mentioned multimedia file low level is revised as default byte data is added
It is close to form, then in step 202., by the byte data using corresponding privately owned byte decipherment algorithm to above-mentioned multimedia file
Reduced.The internal memory mapping of the above-mentioned multimedia file of above-mentioned releasing is specifically as follows：By munmap Function Solutions except above-mentioned many
The internal memory mapping of media file.
203rd, the resource bag after above-mentioned decryption is exported；
In step 203, the resource bag after step 202 decryption is exported, to call the resource bag (such as to check/play
Multimedia file in the resource bag).
In order to further improve the security of resource bag, after step 203, resource coating after step 202 is decrypted
After end is called, the multimedia file in the resource bag after above-mentioned decryption can also be traveled through, according to above-mentioned AES to above-mentioned
The multimedia file in resource bag after decryption is encrypted.Wherein, according to above-mentioned AES to the resource after above-mentioned decryption
Multimedia file in bag is encrypted the description for being referred to step 102 in embodiment illustrated in fig. 1, and here is omitted.
It should be noted that the resource bag decryption method in the embodiment of the present invention can be realized by resource bag decryption device,
Resource bag decryption device can be integrated in the way of software or hardware or software and hardware combining terminal (such as personal computer,
Mobile phone, panel computer, learning machine etc.) in.
Therefore, by the multimedia file in traversal resource bag and to the multimedia text in the resource bag in the present invention
Part is decrypted.On the one hand, because the multimedia file in resource bag is encrypted according to specific AES, therefore, do not knowing
In the case of knowing the AES that the multimedia file is used, it may be difficult to the resource bag is viewed by way of Brute Force
In multimedia file, improve the security of resource bag；On the other hand, due to only carrying out to the multimedia file in resource bag
Decryption, therefore, it is possible to effectively improve the decryption efficiency to resource bag.
Embodiment three
The embodiment of the present invention provides a kind of resource packet encryption device.Fig. 3 is referred to, the resource bag in the embodiment of the present invention adds
Close device 300, including：
Acquiring unit 301, for obtaining resource bag to be encrypted；
Ciphering unit 302, for traveling through the resource bag to be encrypted that acquiring unit 301 gets in multimedia file,
The multimedia file in above-mentioned resource bag is encrypted according to default AES, the resource bag after being encrypted；
Memory cell 303, for storing the resource bag after encrypted unit 302 is encrypted.
Optionally, above-mentioned default AES is specially privately owned byte AES.Ciphering unit 302 includes：Internal memory
Map unit, the internal memory mapping of the multimedia file for calling mmap functions to set up in above-mentioned resource bag；Data convert unit,
For being modified to the byte data of above-mentioned multimedia file according to default privately owned byte AES；Internal memory mapping is released
Unit, the internal memory for releasing above-mentioned multimedia file maps.
Optionally, above-mentioned data convert unit specifically for：High-low-position is carried out to the byte data of above-mentioned multimedia file
Upset.
It should be noted that the resource packet encryption device in the embodiment of the present invention can be with software or hardware or software and hardware knot
The mode of conjunction is integrated in terminal (such as personal computer, mobile phone, panel computer, learning machine etc.).
It should be understood that the function of each functional module of the resource packet encryption device in the embodiment of the present invention can be according to above-mentioned
Resource packet encryption method in embodiment one is implemented, and it implements the resource bag that process can refer in above-described embodiment one
Associated description in encryption method, here is omitted.
Therefore, the resource packet encryption device in the present invention is by the multimedia file in traversal resource bag and to the money
Multimedia file in the bag of source is encrypted.On the one hand, because the multimedia file in resource bag is according to specific AES
Encryption, therefore, in the case where the AES that the multimedia file is used is unaware of, it may be difficult to by the side of Brute Force
Formula views the multimedia file in the resource bag, improves the security of resource bag；On the other hand, due to only in resource bag
Multimedia file be encrypted, therefore, it is possible to effectively improve the encryption efficiency to resource bag.
Example IV
The embodiment of the present invention provides a kind of resource bag and decrypts device.Fig. 4 is referred to, the resource bag solution in the embodiment of the present invention
Close device 400, including：
Acquiring unit 401, for obtaining resource bag to be decrypted, wherein, the multimedia in above-mentioned resource bag to be decrypted
File is formed using the encryption of default AES；
Decryption unit 402, for traveling through above-mentioned resource bag to be decrypted in multimedia file, according to it is default decryption calculate
Method is decrypted to the multimedia file in above-mentioned resource bag, the resource bag after being decrypted；
Output unit 403, for exporting the resource bag after decrypted unit 402 is decrypted.
Optionally, above-mentioned default AES is specially privately owned byte AES, above-mentioned default decipherment algorithm tool
Body is privately owned byte decipherment algorithm.Decryption unit 402 includes：Internal memory map unit, for calling mmap functions to set up above-mentioned money
The internal memory mapping of the multimedia file in the bag of source；Data convert unit, for according to default privately owned byte decipherment algorithm to
The byte data for stating multimedia file is reduced；Internal memory maps lifting unit, for releasing the internal memory of above-mentioned multimedia file
Mapping.
It should be noted that the resource bag decryption device in the embodiment of the present invention can be with software or hardware or software and hardware knot
The mode of conjunction is integrated in terminal (such as personal computer, mobile phone, panel computer, learning machine etc.).
It should be understood that the function of each functional module of the resource bag decryption device in the embodiment of the present invention can be according to above-mentioned
Resource bag decryption method in embodiment two is implemented, and it implements the resource bag that process can refer in above-described embodiment two
Associated description in decryption method, here is omitted.
Therefore, the resource bag decryption device in the present invention is by the multimedia file in traversal resource bag and to the money
Multimedia file in the bag of source is decrypted.On the one hand, because the multimedia file in resource bag is according to specific AES
Encryption, therefore, in the case where the AES that the multimedia file is used is unaware of, it may be difficult to by the side of Brute Force
Formula views the multimedia file in the resource bag, improves the security of resource bag；On the other hand, due to only in resource bag
Multimedia file be decrypted, therefore, it is possible to effectively improve the decryption efficiency to resource bag.
It should be noted that in several embodiments provided herein, it should be understood that disclosed device and side
Method, can realize by another way.For example, device embodiment described above is only schematic, for example, above-mentioned
The division of unit, only a kind of division of logic function can have other dividing mode, such as multiple units when actually realizing
Or component can with reference to or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, institute
The coupling each other for showing or discussing or direct-coupling or communication connection can be by some interfaces, device or unit
INDIRECT COUPLING or communication connection, can be electrical, mechanical or other forms.
For aforesaid each method embodiment, for easy description, therefore it is all expressed as a series of combination of actions, but
It is that those skilled in the art should know, the present invention is not limited by described sequence of movement, because according to the present invention, certain
A little steps can adopt other orders or while carry out.Secondly, those skilled in the art also should know, be retouched in specification
The embodiment stated belongs to preferred embodiment, and involved action and module might not all be necessary to the present invention.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, without the portion described in detail in certain embodiment
Point, may refer to the associated description of other embodiments.
It is more than the description to a kind of resource packet encryption method provided by the present invention, resource bag decryption method and device,
For one of ordinary skill in the art, according to the thought of the embodiment of the present invention, in specific embodiments and applications
Will change, to sum up, this specification content should not be construed as limiting the invention.
Claims (10)
1. a kind of resource packet encryption method, it is characterised in that include：
Obtain resource bag to be encrypted；
Travel through the multimedia file in the resource bag to be encrypted, according to default AES to the resource bag in it is many
Media file is encrypted, the resource bag after being encrypted；
Store the resource bag after the encryption.
2. method according to claim 1, it is characterised in that the default AES is specially privately owned byte encryption
Algorithm；
It is described the multimedia file in the resource bag is encrypted according to default AES, including：
Call the internal memory mapping of the multimedia file that mmap functions are set up in the resource bag；
The byte data of the multimedia file is modified according to default privately owned byte AES；
Release the internal memory mapping of the multimedia file.
3. method according to claim 2, it is characterised in that it is described according to default privately owned byte AES to described
The byte data of multimedia file is modified, including：
Height bit flipping is carried out to the byte data of the multimedia file.
4. a kind of resource bag decryption method, it is characterised in that include：
Resource bag to be decrypted is obtained, wherein, the multimedia file in the resource bag to be decrypted is calculated using default encryption
Method encryption is formed；
Travel through the multimedia file in the resource bag to be decrypted, according to default decipherment algorithm to the resource bag in it is many
Media file is decrypted, the resource bag after being decrypted；
Export the resource bag after the decryption.
5. the resource bag decryption method according to right will go 4, it is characterised in that the resource after the output decryption
Bag, includes afterwards：
After resource coating end after the decryption is called, the multimedia file in the resource bag after the decryption, root are traveled through
The multimedia file in the resource bag after the decryption is encrypted according to the AES.
6. a kind of resource packet encryption device, it is characterised in that include：
Acquiring unit, for obtaining resource bag to be encrypted；
Ciphering unit, for traveling through the resource bag to be encrypted that the acquiring unit gets in multimedia file, according to pre-
If AES the multimedia file in the resource bag is encrypted, the resource bag after being encrypted；
Memory cell, for storing the encryption of described in ciphering unit after resource bag.
7. resource packet encryption device according to claim 6, it is characterised in that the default AES is specially private
There is byte AES；
The ciphering unit includes：
Internal memory map unit, the internal memory mapping of the multimedia file for calling mmap functions to set up in the resource bag；
Data convert unit, for being carried out to the byte data of the multimedia file according to default privately owned byte AES
Modification；
Internal memory maps lifting unit, and the internal memory for releasing the multimedia file maps.
8. resource packet encryption device according to claim 7, it is characterised in that the data convert unit specifically for：
Height bit flipping is carried out to the byte data of the multimedia file.
9. a kind of resource bag decrypts device, it is characterised in that include：
Acquiring unit, for obtaining resource bag to be decrypted, wherein, the multimedia file in the resource bag to be decrypted is adopted
Default AES encryption is formed；
Decryption unit, for traveling through the resource bag to be decrypted in multimedia file, according to default decipherment algorithm to institute
The multimedia file stated in resource bag is decrypted, the resource bag after being decrypted；
Output unit, for exporting the decryption of described in decryption unit after resource bag.
10. resource bag according to claim 9 decrypts device, it is characterised in that the default AES is specially
Privately owned byte AES, the default decipherment algorithm is specially privately owned byte decipherment algorithm；
The decryption unit includes：
Internal memory map unit, the internal memory mapping of the multimedia file for calling mmap functions to set up in the resource bag；
Data convert unit, for being carried out to the byte data of the multimedia file according to default privately owned byte decipherment algorithm
Reduction；
Internal memory maps lifting unit, and the internal memory for releasing the multimedia file maps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611024416.2A CN106657009A (en) | 2016-11-14 | 2016-11-14 | Resource packet encryption method, resource packet decryption method and devices |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611024416.2A CN106657009A (en) | 2016-11-14 | 2016-11-14 | Resource packet encryption method, resource packet decryption method and devices |
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| CN106657009A true CN106657009A (en) | 2017-05-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113704588A (en) * | 2021-08-31 | 2021-11-26 | 平安普惠企业管理有限公司 | File reading method and system based on mapping technology |
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