CN105471902A - Data encryption method and system based on issued encryption algorithm - Google Patents
Data encryption method and system based on issued encryption algorithm Download PDFInfo
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- CN105471902A CN105471902A CN201511019389.5A CN201511019389A CN105471902A CN 105471902 A CN105471902 A CN 105471902A CN 201511019389 A CN201511019389 A CN 201511019389A CN 105471902 A CN105471902 A CN 105471902A
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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
- H04L63/0435—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 wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption
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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
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
- H04L63/067—Network architectures or network communication protocols for network security for supporting key management in a packet data network using one-time keys
Abstract
The invention discloses a data encryption method and system based on an issued encryption algorithm. The method comprises the following steps of: randomly generating an encryption algorithm by a server according to the request information of a client; converting the encryption algorithm into a regular character text of an executable code of the client, and then issuing the regular character text to the client according to a preset issuing rule; receiving encrypted data issued by the server according to the preset issuing rule by the client; and restoring the encrypted data to the executable code of the client according to a preset decryption rule matched with the issuing rule, and packaging and uploading the data according to the code. The data encryption method and system based on the issued encryption algorithm disclosed by the invention are used for improving the data transmission security, reducing the maintenance cost and improving the maintenance convenience.
Description
Technical field
The present invention relates to the field of data transmission of electronic communication, particularly relating to a kind of data ciphering method and system based on issuing cryptographic algorithm.
Background technology
Existing server issues data, and in the process of client upload data, all can be encrypted data, because cryptographic algorithm is static, needs the code that process engineer's periodic manual upgrades, then goes to arrange new algorithm.Larger challenge to the operating pressure of programmer, and ciphering algorithm change code, server needs, after a large amount of checkings and test, just can open to the outside world, for the test link of server and the pressure of tester be also challenge, also may cause the mistake of other logic business.And easily decoded by other people, if can not Timeliness coverage, then there is very large potential safety hazard.
Summary of the invention
Main purpose of the present invention for provide a kind of data transmission security higher, easy to maintenance based on the data ciphering method and the system that issue cryptographic algorithm.
In order to realize foregoing invention object, the present invention proposes a kind of data ciphering method based on issuing cryptographic algorithm, comprising:
Server is according to the solicited message stochastic generation cryptographic algorithm of client;
Cryptographic algorithm is converted to the regular character text of described client executable code, be then issued to described client according to the rule that issues preset;
Client reception server issues according to what preset the enciphered data that rule issues;
With the described deciphering rule issuing rule match, described enciphered data is reduced into the executable code of client according to what preset, and according to this code wrap uploading data.
Further, described server issues according to what preset the step that rule is issued to described client, comprising:
Multiple default of issuing in rule of random call issues rule;
According to the invoked rule that issues, regular character text generation enciphered data is issued to described client.
Further, what described basis was preset is reduced into the executable code of client with the described deciphering rule issuing rule match by described enciphered data, and after step according to this code wrap uploading data, comprising:
The described uploading data of server receives client, and according to described cryptographic algorithm deciphering uploading data.
Further, described server, according to the step of described cryptographic algorithm deciphering uploading data, comprising:
According to the described cryptographic algorithm issued, judge that whether the source of described uploading data is legal;
If uploading data is legal, then uploading data is deciphered; If uploading data is illegal, then carry out the process preset.
Further, before what described basis was preset be reduced into the step of the executable code of client with the described deciphering rule issuing rule match by described enciphered data, comprising:
When client first time uses, the built-in deciphering rule of client packing; And/or,
According to the update status issuing rule, it is regular that server issues the deciphering upgraded in client with the renewal bag issuing rule match.
The present invention also provides a kind of data encryption system based on issuing cryptographic algorithm, comprising:
Server, for the solicited message stochastic generation cryptographic algorithm according to client; Then cryptographic algorithm is converted to the regular character text of described client executable code, be then issued to described client according to the rule that issues preset;
Client, issues according to what preset the enciphered data that rule issues for reception server; Then with the described deciphering rule issuing rule match, described enciphered data is reduced into the executable code of client according to what preset, and according to this code wrap uploading data.
Further, described server, comprising:
Calling module, for random call, multiple default of issuing in rule issues rule;
Encryption issues module, for regular character text generation enciphered data being issued to described client according to the invoked rule that issues.
Further, described server also for receiving the described uploading data of client, and deciphers uploading data according to described cryptographic algorithm.
Further, described server, also comprises:
Judge module, for according to the described cryptographic algorithm issued, judges that whether the source of described uploading data is legal;
Decryption processing module, if legal for uploading data, then deciphers uploading data; If uploading data is illegal, then carry out the process preset.
Further, described client, comprising:
Built-in module, for when client first time uses, is built in client by the packing of deciphering rule; Or,
Update module, issues the update status of rule for basis, the deciphering rule upgraded with the renewal bag issuing rule match in client that reception server issues.
The present invention is based on the data ciphering method and system that issue cryptographic algorithm, server is according to the solicited message stochastic generation cryptographic algorithm of client, then according to issuing generate rule enciphered data, then client resolves enciphered data, and according to the result encapsulation uploading data of resolving, then server is sent to, server is according to the algorithm deciphering uploading data generated, because cryptographic algorithm is stochastic generation, so after uploading data is blocked and once cracks, follow-up uploading data can't be made all to be cracked, to improve data transmission security; Encrypted codes needed for client etc. are all generated by server, ensure the algorithm information not having in client to reveal, improve the fail safe of transfer of data; Server waits with the new rule that issues of updated line that only needs, and maintenance cost is low, and maintainability is higher.
Accompanying drawing explanation
Fig. 1 be one embodiment of the invention based on the schematic flow sheet of data ciphering method issuing cryptographic algorithm;
Fig. 2 is that the server of one embodiment of the invention issues according to what preset the schematic flow sheet that rule is issued to described client step;
Fig. 3 is that the server of one embodiment of the invention is according to the schematic flow sheet of the step of described cryptographic algorithm deciphering uploading data;
Fig. 4 be the present invention one specific embodiment based on the data flow schematic diagram of data ciphering method issuing cryptographic algorithm;
Fig. 5 be one embodiment of the invention based on the structural schematic block diagram of data encryption system issuing cryptographic algorithm;
Fig. 6 is the structural schematic block diagram of the server of one embodiment of the invention;
Fig. 7 is the structural schematic block diagram of the server of another embodiment of the present invention;
Fig. 8 is the structural schematic block diagram of the client of one embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
With reference to Fig. 1, proposing a kind of data ciphering method based on issuing cryptographic algorithm in the embodiment of the present invention, comprising step:
S1, server are according to the solicited message stochastic generation cryptographic algorithm of client;
S2, cryptographic algorithm is converted to the regular character text of described client executable code, be then issued to described client according to the rule that issues preset;
S3, client reception server issue according to what preset the enciphered data that rule issues;
What S4, basis were preset is reduced into the executable code of client with the described deciphering rule issuing rule match by described enciphered data, and according to this code wrap uploading data.
In the present embodiment, above-mentioned server stochastic generation cryptographic algorithm refers to that cryptographic algorithm dynamically generates, the request each time of client can produce new cryptographic algorithm, as generated random number 1534, representing and first using 1 mode reduced parameter, using 5 algorithm for encryption, parameter is merged again by 3 modes, by 4 algorithm for encryption etc., cryptographic algorithm rule is generally edited public algorithms library by server personnel and is specified, then by system stochastic generation.Cryptographic algorithm in transmitting procedure is that various pre-set cryptographic algorithm mixes in fact, can use existing cryptographic algorithm, also can oneself write, as long as can perform in client language environment.Above-mentioned regular character text, refers to that client executable code is formed.
In the present embodiment, above-mentioned regular character text refers to the text that character set that client executable code occurs mixes other characters and generates.The client executable code such as generated is md5 (base64 (a)), this regular character text be exactly above code occur character set mix other characters generate text, and according to issuing rule, code compilation is become another kind of encrypted segments.
In the present embodiment, the above-mentioned rule that issues refers to the rule executable code issued being compiled into another section of encrypted segments according to regular character text, such as by code according to the sequence of regular character text by character sequence to pusher 9, or push away forward 6 etc.
In the present embodiment, above-mentioned deciphering rule refers to exist in client database or other storage medium, with the deciphering rule issuing rule match.
In the present embodiment, the cryptographic algorithm of server stochastic generation combines and issues the form of the rules enciphered data, after this enciphered data is cracked, only can have an impact to when previous data, in transfer of data afterwards, the cryptographic algorithm of stochastic generation and issue rule and can form another new enciphered data, the last enciphered data of the means that crack to this is invalid, improve the fail safe of transfer of data, that reduces transfer of data can cracking.And when safeguarding, issue rule etc. as long as upgrade, maintenance cost is low, and maintainability is higher.Encrypted codes needed for client etc. are all generated by server, ensure the algorithm information not having in client to reveal, improve the fail safe of transfer of data.
With reference to Fig. 2, in the present embodiment, the server in above-mentioned steps S2 issues according to what preset the step that rule is issued to described client, comprising:
Multiple default of issuing in rule of S21, random call issues rule;
S22, regular character text is generated enciphered data be issued to described client according to the invoked rule that issues.
As described in above-mentioned steps S21 and S22, the above-mentioned rule that issues can be provided with multiple, then random call one of them regular character text is generated enciphered data, make the secret and safe of enciphered data stronger.
With reference to Fig. 1, in the present embodiment, after above-mentioned steps S4, also comprise:
The described uploading data of S5, server receives client, and according to described cryptographic algorithm deciphering uploading data.
As described in above-mentioned steps S5, uploading data is deciphered according to the cryptographic algorithm of stochastic generation before by server, completes client data and maintains secrecy and upload.
With reference to Fig. 3, in the present embodiment, the server in above-mentioned steps S5, according to the step of described cryptographic algorithm deciphering uploading data, comprising:
The described cryptographic algorithm that S51, basis issue, judges that whether the source of described uploading data is legal;
If S52 uploading data is legal, then uploading data is deciphered; If uploading data is illegal, then carry out the process preset.
As described in above-mentioned steps S51, the specific parameter etc. in uploading data can be judged, to check the source client of uploading data whether legal, improve the fail safe that transfer of data uses.
As described in above-mentioned steps S52, when judgement uploading data is legal, then deciphered; When uploading data is illegal, so can be carried out isolating, be deleted, the process such as alarm.
In the present embodiment, before above-mentioned steps S4, comprising:
S401, when client first time uses, the built-in deciphering of client packing is regular; And/or,
S402, basis issue the update status of rule, and it is regular that server issues the deciphering upgraded in client with the renewal bag issuing rule match.
As described in above-mentioned steps S401, when client first time uses, if inner without deciphering rule, the decrypt encrypted data that then cannot issue server, so generally can solve this problem by the method for the built-in deciphering rule of packing in client, method is simple, and it is convenient to realize.
As described in above-mentioned steps S402, upgrade deciphering rule by the mode downloaded, ensure to need to upgrade in time when upgrading.Such as with the addition of new issue rule when issuing Policy Updates, now need to upgrade deciphering rule corresponding with it, otherwise may occur that client cannot the situation of decrypt encrypted data, upgrade to client so server initiatively can promote to upgrade bag, prevent client from makeing mistakes when data upload process.
With reference to Fig. 4, in one embodiment, server 10 receives the solicited message of client 20, according to solicited message stochastic generation one cryptographic algorithm; Then judge the type of client 20 according to solicited message, cryptographic algorithm is converted to the executable code of client 20, such as, when client 20 is android system, then cryptographic algorithm is converted to the executable code of android system; When client 20 is IOS system, then cryptographic algorithm is converted to the executable code of IOS system; Then issue random call one rule from multiple, regular character text is generated enciphered data and is issued to described client 20.Then client 20 is called and the enciphered data issued is decrypted with the deciphering rule issuing rule match, again according to regular character text, be reduced into the executable code of client 20, directly call this code wrap enciphered data and sign and transmit to server 10, server 10 is according to the cryptographic algorithm issued before, can make a decision signature and parameter, judge that whether the source client 20 of data is legal, out by data deciphering finally.
In the present embodiment based on the data ciphering method issuing cryptographic algorithm, all cryptographic algorithm, regular character text and to issue rule be all by dynamic generation, each cipher mode is all random combine, data encryption mode under each interception is all different, relative and traditional data encryption mode is fixing, crack once, all data all can be cracked, have low can cracking.Enciphered data required for client 20, regular character text, issue rule and deciphering rule, be all generated by server 10, ensure the algorithm information not having in client 20 to reveal, improve the fail safe of transfer of data further.The random algorithm of server 10, the renewal issuing rule only need to add new cipher mode, and maintainable high, cost is extremely low.
With reference to Fig. 5, a kind of data encryption system based on issuing cryptographic algorithm of the embodiment of the present invention, is characterized in that, comprising:
Server 10, for the solicited message stochastic generation cryptographic algorithm according to client 20; Then cryptographic algorithm is converted to the regular character text of described client 20 executable code, be then issued to described client 20 according to the rule that issues preset;
Client 20, issues according to what preset the enciphered data that rule issues for reception server 10; Then with the described deciphering rule issuing rule match, described enciphered data is reduced into the executable code of client 20 according to what preset, and according to this code wrap uploading data.
In the present embodiment, above-mentioned stochastic generation cryptographic algorithm refers to that cryptographic algorithm dynamically generates, the request each time of client 20 can produce new cryptographic algorithm, as generated random number 1534, representing and first using 1 mode reduced parameter, using 5 algorithm for encryption, parameter is merged again by 3 modes, by 4 algorithm for encryption etc., cryptographic algorithm rule is generally edited public algorithms library by server 10 personnel and is specified, then by system stochastic generation.Cryptographic algorithm in transmitting procedure is that various pre-set cryptographic algorithm mixes in fact, can use existing cryptographic algorithm, also can oneself write, as long as can perform in client 20 language environment.Above-mentioned regular character text, refers to that client 20 executable code is formed.
In the present embodiment, above-mentioned regular character text refers to the text that character set that client 20 executable code occurs mixes other characters and generates.Client 20 executable code such as generated is md5 (base64 (a)), this regular character text be exactly above code occur character set mix other characters generate text, and according to issuing rule, code compilation is become another kind of encrypted segments.
In the present embodiment, the above-mentioned rule that issues refers to the rule executable code issued being compiled into another section of encrypted segments according to regular character text, such as by code according to the sequence of regular character text by character sequence to pusher 9, or push away forward 6 etc.
In the present embodiment, above-mentioned deciphering rule refers to exist in client 20 database or other storage medium, with the deciphering rule issuing rule match.
In the present embodiment, above-mentioned server 10 combines according to the cryptographic algorithm of the solicited message stochastic generation of client 20 and issues the form of the rules enciphered data, after this enciphered data is cracked, only can have an impact to when previous data, in transfer of data afterwards, the cryptographic algorithm of stochastic generation and issue rule and can form another new enciphered data, the last enciphered data of the means that crack to this is invalid, improve the fail safe of transfer of data, that reduces transfer of data can cracking.And when safeguarding, issue rule etc. as long as upgrade, maintenance cost is low, and maintainability is higher.
In the present embodiment, the encrypted code etc. needed for above-mentioned client 20 is all generated by server 10, ensures the algorithm information not having in client 20 to reveal, improves the fail safe of transfer of data.
With reference to Fig. 6, in the present embodiment, above-mentioned server 10, comprising:
Calling module 11, for random call, multiple default of issuing in rule issues rule;
Encryption issues module 12, for regular character text generation enciphered data being issued to described client 20 according to the invoked rule that issues.
As above-mentioned calling module 11 and encryption issue module 12, the above-mentioned rule that issues can be provided with multiple, then random call one of them regular character text is generated enciphered data, make the secret and safe of enciphered data stronger.
In the present embodiment, above-mentioned server 10, also for receiving the described uploading data of client 20, and according to described cryptographic algorithm deciphering uploading data.Uploading data is deciphered according to the cryptographic algorithm of stochastic generation before by server 10, completes client 20 data confidentiality and uploads.
With reference to Fig. 7, in the present embodiment, above-mentioned server 10, comprising:
Judge module 13, for according to the described cryptographic algorithm issued, judges that whether the source of described uploading data is legal;
Decryption processing module 14, if legal for uploading data, then deciphers uploading data; If uploading data is illegal, then carry out the process preset.
As above-mentioned judge module 13, the specific parameter etc. in uploading data can be judged, to check the source client 20 of uploading data whether legal, improve the fail safe that transfer of data uses.
As above-mentioned decryption processing module 14, when judgement uploading data is legal, then deciphered; When uploading data is illegal, so can be carried out isolating, be deleted, the process such as alarm.
With reference to Fig. 8, above-mentioned client 20, comprising:
Built-in module 21, for when client 20 first time uses, is built in client 20 by the packing of deciphering rule; And/or,
Update module 22, issues the update status of rule for basis, the deciphering rule upgraded with the renewal bag issuing rule match in client 20 that reception server 10 issues.
As above-mentioned built-in module 21, when client 20 first time uses, if inner without deciphering rule, the decrypt encrypted data that then cannot issue server 10, so generally can solve this problem by the method for the built-in deciphering rule of packing in client 20, method is simple, and it is convenient to realize.
As above-mentioned update module 22, upgrade deciphering rule by the mode downloaded, ensure to need to upgrade in time when upgrading.Such as with the addition of new issue rule when issuing Policy Updates, now need to upgrade deciphering rule corresponding with it, otherwise may occur that client 20 cannot the situation of decrypt encrypted data, upgrade to client 20 so server 10 initiatively can promote to upgrade bag, prevent client 20 from makeing mistakes when data upload process.
With reference to Fig. 4, in one embodiment, server 10 receives the solicited message of client 20, according to solicited message stochastic generation one cryptographic algorithm; Then judge the type of client 20 according to solicited message, cryptographic algorithm is converted to the executable code of client 20, such as, when client 20 is android system, then cryptographic algorithm is converted to the executable code of android system; When client 20 is IOS system, then cryptographic algorithm is converted to the executable code of IOS system; Then issue random call one rule from multiple, regular character text is generated enciphered data and is issued to described client 20.Then client 20 is called and the enciphered data issued is decrypted with the deciphering rule issuing rule match, again according to regular character text, be reduced into the executable code of client 20, directly call this code wrap enciphered data and sign and transmit to server 10, server 10 is according to the cryptographic algorithm issued before, can make a decision signature and parameter, judge that whether the source client 20 of data is legal, out by data deciphering finally.
In the present embodiment based on the data encryption system issuing cryptographic algorithm, all cryptographic algorithm, regular character text and to issue rule be all by dynamic generation, each cipher mode is all random combine, data encryption mode under each interception is all different, relative and traditional data encryption mode is fixing, crack once, all data all can be cracked, have low can cracking.Enciphered data required for client 20, regular character text, issue rule and deciphering rule, be all generated by server 10, ensure the algorithm information not having in client 20 to reveal, improve the fail safe of transfer of data further.The random algorithm of server 10, the renewal issuing rule only need to add new cipher mode, and maintainable high, cost is extremely low.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. based on the data ciphering method issuing cryptographic algorithm, it is characterized in that, comprising:
Server is according to the solicited message stochastic generation cryptographic algorithm of client;
Cryptographic algorithm is converted to the regular character text of described client executable code, be then issued to described client according to the rule that issues preset;
Client reception server issues according to what preset the enciphered data that rule issues;
With the described deciphering rule issuing rule match, described enciphered data is reduced into the executable code of client according to what preset, and according to this code wrap uploading data.
2. the data ciphering method based on issuing cryptographic algorithm according to claim 1, is characterized in that, described server issues according to what preset the step that rule is issued to described client, comprising:
Multiple default of issuing in rule of random call issues rule;
According to the invoked rule that issues, regular character text generation enciphered data is issued to described client.
3. the data ciphering method based on issuing cryptographic algorithm according to claim 1, it is characterized in that, what described basis was preset is reduced into the executable code of client with the described deciphering rule issuing rule match by described enciphered data, and after step according to this code wrap uploading data, comprising:
The described uploading data of server receives client, and according to described cryptographic algorithm deciphering uploading data.
4. the data ciphering method based on issuing cryptographic algorithm according to claim 3, is characterized in that, described server, according to the step of described cryptographic algorithm deciphering uploading data, comprising:
According to the described cryptographic algorithm issued, judge that whether the source of described uploading data is legal;
If uploading data is legal, then uploading data is deciphered; If uploading data is illegal, then carry out the process preset.
5. the data ciphering method based on issuing cryptographic algorithm according to claim 1, it is characterized in that, before what described basis was preset be reduced into the step of the executable code of client with the described deciphering rule issuing rule match by described enciphered data, comprising:
When client first time uses, the built-in deciphering rule of client packing; And/or,
According to the update status issuing rule, it is regular that server issues the deciphering upgraded in client with the renewal bag issuing rule match.
6. based on the data encryption system issuing cryptographic algorithm, it is characterized in that, comprising:
Server, for the solicited message stochastic generation cryptographic algorithm according to client; Then cryptographic algorithm is converted to the regular character text of described client executable code, be then issued to described client according to the rule that issues preset;
Client, issues according to what preset the enciphered data that rule issues for reception server; Then with the described deciphering rule issuing rule match, described enciphered data is reduced into the executable code of client according to what preset, and according to this code wrap uploading data.
7. the data encryption system based on issuing cryptographic algorithm according to claim 6, is characterized in that, described server, comprising:
Calling module, for random call, multiple default of issuing in rule issues rule;
Encryption issues module, for regular character text generation enciphered data being issued to described client according to the invoked rule that issues.
8. the data encryption system based on issuing cryptographic algorithm according to claim 6, is characterized in that, described server also for receiving the described uploading data of client, and deciphers uploading data according to described cryptographic algorithm.
9. the data encryption system based on issuing cryptographic algorithm according to claim 8, is characterized in that, described server, also comprises:
Judge module, for according to the described cryptographic algorithm issued, judges that whether the source of described uploading data is legal;
Decryption processing module, if legal for uploading data, then deciphers uploading data; If uploading data is illegal, then carry out the process preset.
10. the data encryption system based on issuing cryptographic algorithm according to claim 6, is characterized in that, described client, comprising:
Built-in module, for when client first time uses, is built in client by the packing of deciphering rule; And/or,
Update module, issues the update status of rule for basis, the deciphering rule upgraded with the renewal bag issuing rule match in client that reception server issues.
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| CN103812646A (en) * | 2014-02-18 | 2014-05-21 | 立德高科(北京)数码科技有限责任公司 | Method for encrypting and outputting audio data and device thereof |
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| CN107094261A (en) * | 2017-03-17 | 2017-08-25 | 武汉斗鱼网络科技有限公司 | The authorization check method and device of video playback |
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