CN106209359A - A kind of decoding and the method and device decompressing encrypted lottery bag - Google Patents
A kind of decoding and the method and device decompressing encrypted lottery bag Download PDFInfo
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- CN106209359A CN106209359A CN201610552272.1A CN201610552272A CN106209359A CN 106209359 A CN106209359 A CN 106209359A CN 201610552272 A CN201610552272 A CN 201610552272A CN 106209359 A CN106209359 A CN 106209359A
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- decoding
- encrypted lottery
- bag
- decoded
- lottery bag
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0863—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving passwords or one-time passwords
-
- 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
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
- H04L9/0631—Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES algorithms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Storage Device Security (AREA)
Abstract
The invention discloses the method and device of a kind of decoding and decompression encrypted lottery bag, described method includes: obtain the device of decoding and the decompression encrypted lottery bag with predetermined keyword from network side；The device of described decoding and decompression encrypted lottery bag, during user starts announced encrypted lottery bag, obtains encrypted lottery bag and induction password thereof from network side；Described decoding utilizes described predetermined keyword and described induction password with the device of decompression encrypted lottery bag, is decoded described encrypted lottery bag processing, obtains decoded game package；Described decoding carries out decompression processing with the device of decompression encrypted lottery bag to described decoded game package, obtains the game data of decoding decompression.The game package of ad hoc fashion coding can be decoded and decompress by the present invention.
Description
Technical field
The present invention relates to the method and device of a kind of decoding and decompression encrypted lottery bag.
Background technology
At present, the decoding specification that encrypted lottery bag does not responds to, such as egression encrypted lottery bag are opening by egression company
Send out the encrypted lottery bag with specific coding mode that product E gretWing of encrypted lottery bag generates and issues, currently without
Decoding specification and flow process.
The present invention be directed to decoding specification and the flow process of encrypted lottery bag, it is adaptable to the specific coding side that egression company issues
The encrypted lottery bag of formula.
Summary of the invention
The technical scheme provided according to embodiments of the present invention solves the technical problem that it is to decode and decompress to have specific coding
The game package of form.
A kind of decoding provided according to embodiments of the present invention and the method decompressing encrypted lottery bag, including:
The device of decoding and the decompression encrypted lottery bag with predetermined keyword is obtained from network side；
The device of described decoding and decompression encrypted lottery bag is during user starts announced encrypted lottery bag, from network
Side obtains encrypted lottery bag and induction password thereof；
Described decoding utilizes described predetermined keyword and described induction password, to described with the device of decompression encrypted lottery bag
Encrypted lottery bag is decoded processing, and obtains decoded game package；
Described decoding carries out decompression processing with the device of decompression encrypted lottery bag to described decoded game package, is solved
The game data of code decompression.
Preferably, described decoding utilizes described predetermined keyword and described induction close with the device of decompression encrypted lottery bag
Code, the step being decoded described encrypted lottery bag processing includes:
Described predetermined keyword and described induction password are combined, obtain combining characters string；
Utilize described combining characters string, be decoded described encrypted lottery bag processing.
Preferably, described utilizing described combining characters string, the step being decoded described encrypted lottery bag processing includes:
Utilize described combining characters string, generate for the efficient decoding password to the decoding of described encrypted lottery bag；
Utilize generated for the efficient decoding password that described encrypted lottery bag is decoded, described encrypted lottery bag is entered
Row decoding process, obtains decoded game package.
Preferably, described utilize described combining characters string, generate for the efficient decoding to the decoding of described encrypted lottery bag
The step of password includes:
By the input of described combining characters string to MD5 code generator, obtain the MD5 code of described combining characters string as described in have
Effect decoding password.
Preferably, described predetermined keyword is the dress of the decoding device with decompression encrypted lottery bag and exploitation encrypted lottery bag
The character string made an appointment between putting.
The storage medium provided according to embodiments of the present invention, its storage is used for realizing above-mentioned decoding and decompression encrypted lottery bag
The program of method.
A kind of decoding provided according to embodiments of the present invention and the device decompressing encrypted lottery bag, described device is from network side
Obtaining, and have predetermined keyword, described device includes:
Acquisition module, for during user starts announced encrypted lottery bag, obtains encrypted lottery bag from network side
And induction password；
Decoder module, is used for utilizing described predetermined keyword and described induction password, solves described encrypted lottery bag
Code processes, and obtains decoded game package；
Decompression module, for described decoded game package is carried out decompression processing, obtains the game data of decoding decompression.
Preferably, described predetermined keyword and described induction password are combined by described decoder module, obtain combined characters
Symbol string, and utilize described combining characters string, it is decoded described encrypted lottery bag processing.
Preferably, described decoder module utilizes described combining characters string, generates for the decoding of described encrypted lottery bag
Efficient decoding password, and utilize generated for the efficient decoding password that described encrypted lottery bag is decoded, to described encryption
Game package is decoded processing, and obtains decoded game package.
Preferably, described combining characters string is inputted to MD5 code generator by described decoder module, obtains described combining characters
The MD5 code of string is as efficient decoding password.
Preferably, described predetermined keyword is the dress of the decoding device with decompression encrypted lottery bag and exploitation encrypted lottery bag
The character string made an appointment between putting.
The technical scheme that the embodiment of the present invention provides has the advantages that
The present invention step can complete the decoding to encrypted lottery bag and decompression, the process particularly issued egression company
The decoding of the game package of coding and decompression, can be realized by C++, it is ensured that decoding and the agility of decompression procedure, closure and safety
Property.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention decoding provided and the method block diagram decompressing encrypted lottery bag；
Fig. 2 is the embodiment of the present invention decoding provided and the device block diagram decompressing encrypted lottery bag；
Fig. 3 is the embodiment of the present invention decoding provided and the flow chart decompressing egression encrypted lottery bag；
Fig. 4 is the embodiment of the present invention decoding provided and the system block diagram decompressing egression encrypted lottery bag.
Detailed description of the invention
Below in conjunction with accompanying drawing to a preferred embodiment of the present invention will be described in detail, it will be appreciated that described below is excellent
Select embodiment to be merely to illustrate and explain the present invention, being not intended to limit the present invention.
Fig. 1 is the decoding that the embodiment of the present invention provides and the method block diagram decompressing encrypted lottery bag, as it is shown in figure 1, step
Including:
Step S100: obtain the device of decoding and the decompression encrypted lottery bag with predetermined keyword from network side.
Step S101: described decoding starts the announced encrypted lottery bag phase with the device of decompression encrypted lottery bag user
Between, obtain described encrypted lottery bag and induction password thereof from network side (such as remote game servers).
Step S102: described decoding utilizes described predetermined keyword and described induction close with the device of decompression encrypted lottery bag
Code, is decoded described encrypted lottery bag processing, obtains decoded game package.
Specifically, described predetermined keyword and described induction password are combined, obtain combining characters string, and utilize
The combining characters string obtained by described predetermined keyword and described induction password combination, generates for described encrypted lottery bag solution
Code efficient decoding password, finally utilize generated for the efficient decoding password that described encrypted lottery bag is decoded, to institute
State encrypted lottery bag to be decoded processing, obtain decoded game package.
Wherein, efficient decoding password is obtained by following steps: input described combining characters string to MD5 code generator,
The MD5 code of described combining characters string is generated as efficient decoding password by described MD5 code generator.
Wherein, MD5 code generator realize Message Digest Algorithm 5 (Message Digest Algorithm 5,
MD5)。
Wherein, Advanced Encryption Standard (the Advanced Encryption used when encrypting corresponding to game package
Standard, AES) algorithm, decoding algorithm uses aes algorithm equally.
Wherein, described predetermined keyword is the device of the decoding device with decompression encrypted lottery bag and exploitation encrypted lottery bag
Between the character string made an appointment.
Step S103: described decoded game package is carried out at decompression by described decoding with the device of decompression encrypted lottery bag
Reason, obtains the game data of decoding decompression.
Wherein, corresponding to the compression algorithm of the standard ZIP form of encrypted lottery bag, decompression algorithm uses standard ZIP form
Decompression algorithm.
It will appreciated by the skilled person that all or part of step realizing in above-described embodiment method is permissible
Instructing relevant hardware by program to complete, described program can be stored in computer read/write memory medium, should
Program upon execution, including step S100 to step S103.Wherein, described storage medium can be ROM/RAM, magnetic disc, light
Dish etc..
Fig. 2 is the decoding that the embodiment of the present invention provides and the device block diagram decompressing encrypted lottery bag, as in figure 2 it is shown, include:
Acquisition module 10, decoder module 20 and decompression module 30.
Acquisition module 10, for during user starts announced encrypted lottery bag, from network side (such as remote game
Server) obtain encrypted lottery bag and induction password thereof.
Decoder module 20, is used for utilizing described predetermined keyword and described induction password, carries out described encrypted lottery bag
Decoding process, obtains decoded game package.Wherein, described predetermined keyword be decoding with decompression encrypted lottery bag device with
The character string made an appointment between the device of exploitation encrypted lottery bag.
Decompression module 30, for described decoded game package is carried out decompression processing, obtains the game number of decoding decompression
According to.
The decoding that the present embodiment provides obtains from network side with the device of decompression encrypted lottery bag, and has predetermined key
Word.
During user starts announced egression encrypted lottery bag, acquisition module 10 is from network side (such as remote game clothes
Business device) obtain encrypted lottery bag and induction password thereof, this encrypted lottery bag can not directly be decoded by this induction password.Decoder module
20 utilize described predetermined keyword and described induction password, generate the efficient decoding for decoding described encrypted lottery bag close
Code, specifically, is combined predetermined keyword and described induction password, obtains combining characters string, and the combination that will obtain
Character string input, to MD5 code generator, is concatenated into described combining characters by described MD5 code generator according to the combining characters of input
The MD5 code of string is as efficient decoding password.Decoder module 20 utilize generated for described encrypted lottery bag decoding is had
Effect decoding password, is decoded described encrypted lottery bag processing, and decoding algorithm uses aes algorithm, obtains decoded game
Bag.Decompression module 30 carries out decompression processing to decoded game package, obtains the game data of decoding decompression.
With what product E gretWing of the exploitation encrypted lottery bag of egression company generated and issued, there is specific coding mode
Encrypted lottery bag as a example by, egression company issue game package be standard zip form, the most again with AES coding obtain.With
Time, only issue the induction password of decoding game bag, this password cannot be used for decoding game bag.Induction password must be appointed
Process could be in order to decoding game bag.The present embodiment realizes a decoding and the rule decompressing this game package based on these agreements
Model and flow process, comprise three part: a. and generate valid password (i.e. efficient decoding password) by induction password.B. by the closeest
Game package is decoded by code (i.e. efficient decoding password) according to AES, obtains decoded game package.C. decompress with standard zip form
Decoded game package.Specific as follows: to be first combined into newly with induction password and the keyword (i.e. predetermined keyword) appointed
Password string.Then obtaining the md5 code of this password string, this md5 code is i.e. efficient decoding password.Close with the efficient decoding that obtains
Game package is decoded by code according to AES, and game package after being decoded i.e. has obtained the game package of real standard zip form.Finally
With standard zip form, this bag decompression i.e. be can get game data.
The present embodiment is intended to decoding and decompresses the game package after the ad hoc fashion issued by egression company encodes, whole decoding
Specification and flow process are exclusive and covert.
Fig. 3 is the decoding that the embodiment of the present invention provides and the flow chart decompressing egression encrypted lottery bag, as it is shown on figure 3, step
Suddenly include:
Step S201: obtain game package game22_v1 after inducing password 12345, and coding.
Game package is generated by egression Products EgretWing, and concrete generation process is as follows:
(1) use the user of EgretWing development (i.e. game), password can be filled in when issuing game package, this
Password (such as: 12345) induced exactly by password.
(2) EgretWing is first packaged as zip file product data.
(3) EgretWing obtains 12345keys. with 12345 with predetermined keyword keys combination
(4) EgretWing 12345keys submit to md5 maker obtain 12345keys MD5 code (such as:
abcde)。
(5) for encryption password, zip file is carried out AES encryption with this md5 code abcde.Finally obtain one and add ciphertext
Part is exactly game package.
Wherein, induction password is that the user oneself of development is arranged, and is cannot be directly used to decoding game bag one
String character.
Step S202: password and agreement key combination will be induced, obtain Xinmi City's sequence (i.e. combining characters string).
Such as, 12345keys is obtained 12345 with agreement keyword keys combination.
Wherein, agreement keyword is a string character appointed inside the egression epoch.EgretWing can use this keyword
Carry out encrypted lottery bag.The present embodiment uses this keyword to generate effective decoding password string.Agreement keyword is externally
Covert.
Step S203: utilize Xinmi City's sequence obtained, calculates MD5 code, i.e. obtains the MD5 code of Xinmi City's sequence, obtain
The md5 code abcde of 12345keys.
12345keys is submitted to md5 code generator, obtains the md5 code of 12345keys.
Step S204: with this MD5 code as password, presses AES decoding, obtains the decoded of standard ZIP form game package
Game package.
With abcde as password, game22_v1 is decoded with AES, obtains game22_v1.zip.
MD5 algorithm, for calculating the data (data length does not limits) provided, obtains the character string of a string regular length.
Same group of data, the MD5 code every time obtained is just as.No matter how long data have or how short, as long as having in this string data
Change, the MD5 code finally obtained is the most different.So, MD5 value is typically the integrity for check information.
Step S205: decompress the game package of standard ZIP form, i.e. decompress game22_v1.zip, obtain playing effectively literary composition
Part.
The present embodiment is for the encrypted lottery bag being EgretWing generation.Appoint at present with AES encryption after
Zip file.That is: EgretWing first generates does not has encrypted zip file, and EgretWing carries out AES to this zip file again
Encryption.So, the present embodiment be only applicable to by AES encryption after zip file.
Fig. 4 is the decoding that the embodiment of the present invention provides and the system block diagram decompressing egression encrypted lottery bag, as shown in Figure 4.
The game developer A device EgretWing exploitation game by exploitation encrypted lottery bag, presses the game developed
It is compressed according to ZIP form, obtains egression game package, and fill in induction password.Game developer A is filled in by EgretWing
Induction password and the key combination of agreement, obtain combining characters string, and by MD5 algorithm, obtain the MD5 code of combining characters string
As effective Crypted password, and utilize this effective Crypted password that egression game package is encrypted, obtain egression encryption trip
Play bag.When game developer A issues the game package of its exploitation, egression encrypted lottery bag and its induction password filled in are saved in
On game server, and issue this game.
Game player B, by installing game client on the subscriber terminal, clicks on game icon, starts the encryption of this egression
Game package.Game client obtains the induction password of this game by network from game server, and by close for the induction of this game
Code is sent into the Egret decoding decompression device with keyword installed on the subscriber terminal and (is i.e. decoded and decompress encrypted lottery bag
Device).Egret decoding decompression device is by the induction password received and keyword (Egret decoding decompression device and Egret
The keyword of agreement between Wing) it is combined, obtain combining characters string, and by MD5 algorithm, obtain combining characters string
MD5 code is as efficient decoding password, and utilizes this efficient decoding password to be decoded egression game package processing, after being decoded
The egression game package of ZIP form.The egression game package of ZIP form is pressurizeed by last Egret decoding decompression device, obtains
Game data.
Although above the present invention being described in detail, but the invention is not restricted to this, those skilled in the art of the present technique
Various amendment can be carried out according to the principle of the present invention.Therefore, all amendments made according to the principle of the invention, all should be understood to
Fall into protection scope of the present invention.
Claims (10)
1. a decoding and the method decompressing encrypted lottery bag, it is characterised in that including:
The device of decoding and the decompression encrypted lottery bag with predetermined keyword is obtained from network side；
The device of described decoding and decompression encrypted lottery bag, during user starts announced encrypted lottery bag, obtains from network side
Take encrypted lottery bag and induction password thereof；
Described decoding utilizes described predetermined keyword and described induction password, to described encryption with the device of decompression encrypted lottery bag
Game package is decoded processing, and obtains decoded game package；
Described decoding carries out decompression processing with the device of decompression encrypted lottery bag to described decoded game package, obtains decoding and solves
The game data of pressure.
Method the most according to claim 1, it is characterised in that described decoding utilizes institute with the device of decompression encrypted lottery bag
Stating predetermined keyword and described induction password, the step being decoded described encrypted lottery bag processing includes:
Described predetermined keyword and described induction password are combined, obtain combining characters string；
Utilize described combining characters string, be decoded described encrypted lottery bag processing.
Method the most according to claim 2, it is characterised in that described utilize described combining characters string, to described encryption trip
The step that play bag is decoded processing includes:
Utilize described combining characters string, generate for the efficient decoding password to the decoding of described encrypted lottery bag；
Utilize generated for the efficient decoding password that described encrypted lottery bag is decoded, described encrypted lottery bag is solved
Code processes, and obtains decoded game package.
Method the most according to claim 3, it is characterised in that described utilize described combining characters string, generates for institute
The step of the efficient decoding password stating the decoding of encrypted lottery bag includes:
Described combining characters string is inputted to MD5 code generator, obtains the MD5 code of described combining characters string as described efficient solution
Code password.
5. according to the method described in claim 1-4 any one, it is characterised in that described predetermined keyword is decoding and decompression
The character string made an appointment between device and the device of exploitation encrypted lottery bag of encrypted lottery bag.
6. a decoding and the device decompressing encrypted lottery bag, it is characterised in that described device obtains from network side, and has pre-
Determining keyword, described device includes:
Acquisition module, for during user starts announced encrypted lottery bag, from network side obtain encrypted lottery bag and
Induction password；
Decoder module, is used for utilizing described predetermined keyword and described induction password, and described encrypted lottery bag is decoded place
Reason, obtains decoded game package；
Decompression module, for described decoded game package is carried out decompression processing, obtains the game data of decoding decompression.
Device the most according to claim 6, it is characterised in that described decoder module is by described predetermined keyword and described lures
Lead password to be combined, obtain combining characters string, and utilize described combining characters string, described encrypted lottery bag is decoded place
Reason.
Device the most according to claim 7, it is characterised in that described decoder module utilizes described combining characters string, generates
For the efficient decoding password that described encrypted lottery bag is decoded, and utilize generated for described encrypted lottery bag is decoded
Efficient decoding password, described encrypted lottery bag is decoded process, obtain decoded game package.
Device the most according to claim 8, it is characterised in that described combining characters string is inputted extremely by described decoder module
MD5 code generator, obtains the MD5 code of described combining characters string as efficient decoding password.
10. according to the device described in claim 6-9 any one, it is characterised in that described predetermined keyword is decoding and solution
The character string made an appointment between device and the device of exploitation encrypted lottery bag of pressure encrypted lottery bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610552272.1A CN106209359A (en) | 2016-07-14 | 2016-07-14 | A kind of decoding and the method and device decompressing encrypted lottery bag |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610552272.1A CN106209359A (en) | 2016-07-14 | 2016-07-14 | A kind of decoding and the method and device decompressing encrypted lottery bag |
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| CN103607402A (en) * | 2013-11-26 | 2014-02-26 | 广州博冠信息科技有限公司 | Online game data encryption and decryption method and equipment |
| CN104135493A (en) * | 2014-08-22 | 2014-11-05 | 上海众人科技有限公司 | File compression method and system |
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2016
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|---|---|---|---|---|
| CN102142072A (en) * | 2010-11-15 | 2011-08-03 | 华为软件技术有限公司 | Encryption processing and decryption processing method and device of electronic files |
| CN102368850A (en) * | 2011-10-13 | 2012-03-07 | 福州博远无线网络科技有限公司 | Method for carrying out encryption and decryption on video file on mobile phone |
| CN103607402A (en) * | 2013-11-26 | 2014-02-26 | 广州博冠信息科技有限公司 | Online game data encryption and decryption method and equipment |
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