CN109286635A - Multiterminal logon data encryption method - Google Patents
Multiterminal logon data encryption method Download PDFInfo
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- CN109286635A CN109286635A CN201811326137.0A CN201811326137A CN109286635A CN 109286635 A CN109286635 A CN 109286635A CN 201811326137 A CN201811326137 A CN 201811326137A CN 109286635 A CN109286635 A CN 109286635A
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- key
- encryption
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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
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0815—Network architectures or network communication protocols for network security for authentication of entities providing single-sign-on or federations
-
- 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
- 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
- H04L63/062—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key distribution, e.g. centrally by trusted party
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Storage Device Security (AREA)
Abstract
The disclosure provides a kind of multiterminal logon data encryption method, comprising: Key Management server is that the first telecommunication customer end generates the first user key, and Key Management server is that the second telecommunication customer end generates second user key；And at least one first telecommunication customer end and at least two second telecommunication customer ends carry out data communication by communication server.
Description
Technical field
This disclosure relates to field of communication technology more particularly to a kind of multiterminal logon data encryption method.
Background technique
In various communication systems, user can realize multiterminal log in, such as cell phone client and tablet computer client it is same
Shi Denglu, cell phone client, tablet computer client and webpage client log in simultaneously.
When user carries out multiterminal login, how to realize the protection of interactive information between user, guarantee the peace of Content of Communication
Complete and secrecy needs emphasis to consider.Especially in mobile communication system, interaction data is passed by communication server
Defeated, there is the security risk obtain, check, revealing user's chat data in communication server end.
Summary of the invention
The disclosure is designed to provide a kind of multiterminal logon data encryption method, mentions to solve background section above
To the technical issues of.The disclosure is achieved through the following technical solutions.
A kind of multiterminal logon data encryption method, comprising:
Key Management server is that the first telecommunication customer end generates the first user key, and Key Management server is second logical
It interrogates client and generates second user key；And
At least one first telecommunication customer end and at least two second telecommunication customer ends carry out data by communication server
Communication.
According at least one embodiment of the disclosure, Key Management server does not generate the first user key and second and uses
Family key, alternatively, the first user key are generated by the first telecommunication customer end, and second user key is by the second communication visitor
Family end generates, and the first user key is sent to Key Management server by the first telecommunication customer end, and the second telecommunication customer end is by the
Two user keys are sent to Key Management server.
According at least one embodiment of the disclosure, the first user key is sent at least one by Key Management server
A first telecommunication customer end, if the number of at least one the first telecommunication customer end is two or more, Key Management server will
First user key, which synchronizes, is sent to more than two first telecommunication customer ends.
According at least one embodiment of the disclosure, Key Management server by second user key synchronization be sent to
Few two the second telecommunication customer ends.
According at least one embodiment of the disclosure, at least two second telecommunication customer ends are synchronous to be received by least one
The data that first telecommunication customer end is sent.
According at least one embodiment of the disclosure, the first telecommunication customer end includes the first data module and first end pair
Encryption/decryption module is held, the second telecommunication customer end includes the second data module and the second end-to-end encryption/decryption module；First is end-to-end
The data that encryption/decryption module sends the first data module encrypt, and the second end-to-end encryption/decryption module is to the second data module
The data of transmission are encrypted；The received data of the first data module are decrypted in first end-to-end encryption/decryption module, and second
The received data of the second data module are decrypted in end-to-end encryption/decryption module.
According at least one embodiment of the disclosure, Key Management server includes user authentication module, user key
Management module, encryption key management module and cryptographic service module；
User authentication module is led to using the user information of the first telecommunication customer end and/or the second telecommunication customer end to first
It interrogates client and/or the second telecommunication customer end carries out user's checking and user account binding；
User key management module is managed the user key of each telecommunication customer end；
Encryption key management module creation encryption key；
Cryptographic service module encrypts encryption key using user key.
According at least one embodiment of the disclosure, user key includes public key and private key, and cryptographic service module uses
Public key encrypts encryption key.
According at least one embodiment of the disclosure, end-to-end encryption/decryption module includes user authentication submodule, user
Key management submodule, data encryption submodule and data deciphering submodule；
User authentication submodule completes user identity authentication using user account；
User key manages submodule and saves user key；
Data encryption submodule is decrypted encryption key using user key, then with encryption key to the number to be sent
According to being encrypted；
Data deciphering submodule is decrypted encryption key using user key, then with encryption key to the number received
According to being decrypted.
According at least one embodiment of the disclosure, user key includes public key and private key, and data encryption submodule makes
It is decrypted with private key pair encryption key, then the data to be sent is encrypted with encryption key；Data deciphering submodule makes
It is decrypted with private key pair encryption key, then the data received is decrypted with encryption key.
According at least one embodiment of the disclosure, encryption key is random key.
Detailed description of the invention
Attached drawing shows the illustrative embodiments of the disclosure, and it is bright together for explaining the principles of this disclosure,
Which includes these attached drawings to provide further understanding of the disclosure, and attached drawing is included in the description and constitutes this
Part of specification.
Fig. 1 is the data encryption system that the multiterminal logon data encryption method of the disclosure at least one embodiment uses
General structure schematic diagram.
Fig. 2 is the data encryption system that the multiterminal logon data encryption method of the disclosure at least one embodiment uses
Concrete structure schematic diagram.
Specific embodiment
The disclosure is described in further detail with embodiment with reference to the accompanying drawing.It is understood that this place
The specific embodiment of description is only used for explaining related content, rather than the restriction to the disclosure.It also should be noted that being
Convenient for description, part relevant to the disclosure is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the disclosure can
To be combined with each other.The disclosure is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
Fig. 1 shows the data encryption system that the multiterminal logon data encryption method of the disclosure at least one embodiment uses
The overall structure of system, Fig. 2 shows the data that the multiterminal logon data encryption method of the disclosure at least one embodiment uses
The specific structure of encryption system.
Multiterminal logon data encryption method, comprising:
Key Management server is that the first telecommunication customer end generates the first user key, and Key Management server is second logical
It interrogates client and generates second user key；And at least one first telecommunication customer end and at least two second telecommunication customer ends lead to
It crosses communication server and carries out data communication.
Alternatively, Key Management server does not generate the first user key and second user key, but, first
User key is generated by the first telecommunication customer end, and second user key is generated by the second telecommunication customer end, the first telecommunication customer end
First user key is sent to Key Management server, second user key is sent to key management by the second telecommunication customer end
Server.
Data encryption system includes the first telecommunication customer end, the second telecommunication customer end and Key Management server.Key pipe
User key can of course be generated for more telecommunication customer ends by managing server, such as also communicate client for one or more thirds
End, one or more 4th telecommunication customer ends, one or more 5th telecommunication customer ends etc. generate user key.
Telecommunication customer end may be mounted on such as mobile phone, personal computer, such as APP, and certain telecommunication customer end can also
To be present on such as mobile phone, personal computer in the form of a web page.Data above-mentioned can be word message, sound text
Part, picture file, video file etc..Communication server above-mentioned can be can be realized data communication in the prior art
Communication server.
In at least one embodiment of the disclosure, communication server is preferably instant communication server, the first communication visitor
Family end and the second telecommunication customer end are preferably instant communication client.
In at least one embodiment of the disclosure, the first user key is sent at least one by Key Management server
First telecommunication customer end, if the number of at least one the first telecommunication customer end is two or more, Key Management server is by the
One user key, which synchronizes, is sent to more than two first telecommunication customer ends.
Such as first telecommunication customer end logged on mobile phone, then the first user key is sent to by Key Management server
The first telecommunication customer end logged on mobile phone, if the first telecommunication customer end logs on mobile phone and computer, key pipe
First user key is sent to first logged on the first telecommunication customer end and computer logged on mobile phone and led to by reason server
Interrogate client.It will be appreciated by those skilled in the art that the telecommunication customer end that the first telecommunication customer end, that is, same user logs in.
In at least one embodiment of the disclosure, second user key synchronization is sent at least by Key Management server
Two the second telecommunication customer ends.
Such as second telecommunication customer end logged on mobile phone and computer, then Key Management server is close by second user
Key is sent to the second telecommunication customer end logged on the second telecommunication customer end and computer logged on mobile phone.Second communication client
The telecommunication customer end that the i.e. same user's (different from logging in the user of the first telecommunication customer end) in end logs in.
In at least one embodiment of the disclosure, at least two second telecommunication customer ends are synchronous to be received by least one
The data that first telecommunication customer end is sent.
Such as second telecommunication customer end logged on mobile phone and computer, the second telecommunication customer end logged on mobile phone
The second telecommunication customer end logged on computers can synchronize the first communication client received for example by logging on mobile phone
Hold the data sent.
In at least one embodiment of the disclosure, the first telecommunication customer end includes the first data module and first end pair
Encryption/decryption module is held, the second telecommunication customer end includes the second data module and the second end-to-end encryption/decryption module；First is end-to-end
The data that encryption/decryption module sends the first data module encrypt, and the second end-to-end encryption/decryption module is to the second data module
The data of transmission are encrypted.
In at least one embodiment of the disclosure, the first end-to-end encryption/decryption module is received to the first data module
Data are decrypted, and the received data of the second data module are decrypted in the second end-to-end encryption/decryption module.
Each telecommunication customer end (such as first telecommunication customer end) is unable to get other telecommunication customer ends, and (such as second is logical
Interrogate client, third telecommunication customer end) clear data.
In at least one embodiment of the disclosure, Key Management server includes user authentication module, user key
Management module, encryption key management module and cryptographic service module；
User authentication module is led to using the user information of the first telecommunication customer end and/or the second telecommunication customer end to first
It interrogates client and/or the second telecommunication customer end carries out user's checking and user account binding；I.e. user authentication module uses each
The user information of telecommunication customer end carries out user's checking to each telecommunication customer end and user account is bound；
User key management module is managed the user key of each telecommunication customer end；
User key includes public key and private key；
Encryption key management module creation encryption key, encryption key are preferably random key, pass through the user key factor
And/or folk prescription or multi-party public key generate.The user key factor is based on user's unique identification and is generated by Key Management server, user
Unique identification is generated by telecommunication customer end.
Cryptographic service module encrypts encryption key using user key.
In at least one embodiment of the disclosure, cryptographic service module encrypts encryption key using public key.
In at least one embodiment of the disclosure, encryption key management module generates encryption key indices, and records and add
The authorization relationship of close cipher key index and user account.
In at least one embodiment of the disclosure, end-to-end encryption/decryption module includes user authentication submodule, Yong Humi
Key manages submodule, data encryption submodule and data deciphering submodule；
User authentication submodule completes user identity authentication using user account；
User key manages submodule and saves user key；
Data encryption submodule is decrypted encryption key using user key, then with encryption key to the number to be sent
According to being encrypted；
Data deciphering submodule is decrypted encryption key using user key, then with encryption key to the number received
According to being decrypted.
In at least one embodiment of the disclosure, data encryption submodule is decrypted using private key pair encryption key,
The data to be sent are encrypted with encryption key again；Data deciphering submodule is decrypted using private key pair encryption key,
The data received are decrypted with encryption key again.
In at least one embodiment of the disclosure, the user key of each telecommunication customer end is given birth to by Key Management server
At the user key management module of Key Management server generates the user key of each telecommunication customer end, to each communication visitor
The user key at family end is managed (for example including saving), and corresponding user key is sent to each telecommunication customer end；Respectively
The user key management submodule of a telecommunication customer end receives the user key from Key Management server, and to user key
It is saved.
In at least one embodiment of the disclosure, the user key of each telecommunication customer end is by each telecommunication customer end
End-to-end encryption/decryption module generates, and the user key management module of Key Management server is received from each telecommunication customer end
User key is managed (for example including saving) user key of each telecommunication customer end；User key is added by end-to-end
The user key management submodule of deciphering module generates, and user key is sent to Key Management server.
In at least one embodiment of the disclosure, the user key of telecommunication customer end is added by the end-to-end of telecommunication customer end
The user key management submodule of deciphering module generates, and user key includes public key and private key, and the end-to-end of telecommunication customer end adds
The user key management submodule of deciphering module saves public key and private key, and public key is sent to cipher key management services
The user key management module of device, Key Management server receives the public key from telecommunication customer end, to the public affairs of telecommunication customer end
Key is managed (for example including saving).
In at least one embodiment of the disclosure, first telecommunication customer end is sent to two the second telecommunication customer ends
Data are passed to user account, the second communication of the first telecommunication customer end to the end-to-end encryption/decryption module of the first telecommunication customer end
The user account and data content of client, end-to-end encryption/decryption module i.e. first of the first telecommunication customer end is end-to-end plus solves
Close module obtains the public key of the user account of the second telecommunication customer end, and whether specifically, checking locally has the second telecommunication customer end
User account public key, if the public key of the local user account without the second telecommunication customer end, first is end-to-end plus solve
Close module inquires the public key of the user account of the second telecommunication customer end to Key Management server.
First end-to-end encryption/decryption module requests the user account based on the first telecommunication customer end to Key Management server
Encryption key is generated with the user account of the second telecommunication customer end.Key Management server generates the user of the first telecommunication customer end
The session identification of the user account of account and the second telecommunication customer end generates encryption key and encryption key indices, recording of encrypted
The authorization relationship of the user account of the user account and the second telecommunication customer end of cipher key index and the first telecommunication customer end.Key pipe
Reason server encrypts encryption key generated above using the public key of the user account of the first telecommunication customer end, will encrypt
Encryption key and encryption key indices afterwards is sent to the first end-to-end encryption/decryption module, and the first end-to-end encryption/decryption module uses
Private key pair encryption key is decrypted, and reuses encryption key and encrypts to data content, is packaged into encrypted data volume.
It include encryption key indices in encrypted data volume.
Encrypted data volume is transferred to the data module of the first telecommunication customer end i.e. by the first end-to-end encryption/decryption module
Encrypted data volume is sent to the user account of two the second telecommunication customer ends by the first data module, the first data module
The second data module of data module i.e. two, the second data module are objective by the user account of the first telecommunication customer end and the second communication
The user account at family end and encrypted data volume are transferred to the end-to-end encryption/decryption module of corresponding second telecommunication customer end
I.e. second end-to-end encryption/decryption module, two the second end-to-end encryption/decryption modules send the first communication visitor to Key Management server
The user account at family end, the user account of the second telecommunication customer end and encryption key indices, request are based on encryption key indices
Inquire encryption key.
The use of user account of the Key Management server based on the first telecommunication customer end received, the second telecommunication customer end
Family account and encryption key indices inspection authorization relationship, authorization relationship is correct, then uses user's account of the second telecommunication customer end
Number public key encryption key is encrypted, encrypted encryption key is sent to two the second end-to-end encryption/decryption modules.
Second end-to-end encryption/decryption module is carried out using the private key pair encryption key of the user account of the second telecommunication customer end
Decryption, the second end-to-end encryption/decryption module is decrypted data volume using the encryption key after decryption, by the data after decryption
Body, that is, clear data is transferred to the user account of corresponding second telecommunication customer end.
It will be understood by those of skill in the art that above embodiment is used for the purpose of clearly demonstrating the disclosure, and simultaneously
Non- be defined to the scope of the present disclosure.For those skilled in the art, may be used also on the basis of disclosed above
To make other variations or modification, and these variations or modification are still in the scope of the present disclosure.
Claims (10)
1. a kind of multiterminal logon data encryption method characterized by comprising
Key Management server is that the first telecommunication customer end generates the first user key, and Key Management server is the second communication visitor
Family end generates second user key；And
At least one first telecommunication customer end and at least two second telecommunication customer ends carry out data communication by communication server.
2. encryption method according to claim 1 characterized by comprising
First user key is generated by the first telecommunication customer end, and second user key is generated by the second telecommunication customer end, and first is logical
It interrogates client and the first user key is sent to Key Management server, second user key is sent to by the second telecommunication customer end
Key Management server.
3. encryption method according to claim 1, which is characterized in that the Key Management server is by first user
Key is sent at least one described first telecommunication customer end, if the number of at least one first telecommunication customer end is two
More than, then the Key Management server, which synchronizes first user key, is sent to more than two first communication clients
End.
4. encryption method according to claim 1, which is characterized in that the Key Management server is by the second user
Key synchronization is sent at least two second telecommunication customer end.
5. encryption method according to claim 1 or 2, which is characterized in that at least two second telecommunication customer end is same
Step receives the data sent by least one described first telecommunication customer end.
6. encryption method according to any one of claims 1 to 5, which is characterized in that first telecommunication customer end includes
First data module and the first end-to-end encryption/decryption module, second telecommunication customer end include the second data module and second end
Opposite end encryption/decryption module；The data that the first end-to-end encryption/decryption module sends first data module encrypt,
The data that the second end-to-end encryption/decryption module sends second data module encrypt；Described first it is end-to-end plus
The received data of the first data module are decrypted in deciphering module, and the second end-to-end encryption/decryption module is to described
The received data of two data modules are decrypted.
7. encryption method according to any one of claims 1 to 4, which is characterized in that
The Key Management server includes user authentication module, user key management module, encryption key management module and adds
Close service module；
The user authentication module uses the user information of first telecommunication customer end and/or second telecommunication customer end,
User's checking and user account binding are carried out to first telecommunication customer end and/or second telecommunication customer end；
The user key management module is managed the user key of each telecommunication customer end；
The encryption key management module creation encryption key；
The cryptographic service module encrypts the encryption key using the user key.
8. encryption method according to claim 7, which is characterized in that the user key includes public key and private key, described
Cryptographic service module encrypts the encryption key using the public key.
9. encryption method according to claim 5, which is characterized in that the end-to-end encryption/decryption module includes user authentication
Submodule, user key management submodule, data encryption submodule and data deciphering submodule；
The user authentication submodule completes user identity authentication using user account；
The user key management submodule saves user key；
The data encryption submodule is decrypted encryption key using user key, then with encryption key to the number to be sent
According to being encrypted；
The data deciphering submodule is decrypted encryption key using user key, then with encryption key to the number received
According to being decrypted.
10. encryption method according to claim 9, which is characterized in that the user key includes public key and private key, described
Data encryption submodule is decrypted using private key pair encryption key, then is encrypted with encryption key to the data to be sent；
The data deciphering submodule is decrypted using private key pair encryption key, then is solved with encryption key to the data received
It is close.
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| CN201811326137.0A CN109286635A (en) | 2018-11-08 | 2018-11-08 | Multiterminal logon data encryption method |
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| CN112699396A (en) * | 2021-01-15 | 2021-04-23 | 深圳市网信数码科技有限公司 | Information security method, device, system and storage medium of instant communication software |
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