CN101917710A - Method, system and related device for mobile Internet encrypted communication - Google Patents
Method, system and related device for mobile Internet encrypted communication Download PDFInfo
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- CN101917710A CN101917710A CN201010264514XA CN201010264514A CN101917710A CN 101917710 A CN101917710 A CN 101917710A CN 201010264514X A CN201010264514X A CN 201010264514XA CN 201010264514 A CN201010264514 A CN 201010264514A CN 101917710 A CN101917710 A CN 101917710A
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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
- H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
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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
- H04L63/0442—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 asymmetric encryption, i.e. different keys 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
- H04L63/061—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key exchange, e.g. in peer-to-peer networks
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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
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
- H04W12/033—Protecting confidentiality, e.g. by encryption of the user plane, e.g. user's traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
- H04W12/043—Key management, e.g. using generic bootstrapping architecture [GBA] using a trusted network node as an anchor
- H04W12/0431—Key distribution or pre-distribution; Key agreement
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephonic Communication Services (AREA)
Abstract
The invention discloses a method, a system and a related device for mobile internet encryption communication. The method comprises the following steps of: associating a terminal identifier and a key pair which is generated in advance through an asymmetric key algorithm and is composed of a public key and a private key by using a mobile internet server, and sending the public key in the key pair to a corresponding terminal for storing; and encrypting/decrypting by utilizing the asymmetric key algorithm and the public key in the key pair by the terminal, and encrypting/decrypting by utilizing the asymmetric key algorithm and the private key in the key pair by the mobile internet server. The network communication process between the mobile terminal and the server is encrypted and decrypted by the asymmetric key algorithm, so that the safety of the mobile network communication is improved, and hard cost is not increased.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, a system, and a related device for encrypted communications in a mobile internet.
Background
In the era of mobile internet, as more and more users are used, the security of the mobile internet is more and more important. In the application of the mobile internet, many of the applications are required to be secure and confidential, such as military network mobile phones, stock trading, mobile banking, mobile payment and the like.
At present, the security of mobile network communication may not be perfect enough, and the information transmission is not safe. For example, the operation of a dealer, the operation of a company and a stock, is to directly dial 95565 such service numbers and input accounts and passwords for trading, some mobile banking adopt the mode of electronic passwords and dynamic verification codes, the information transmission process is still clear, the account numbers and the passwords can be intercepted and are not safe enough; some mobile phones adopt SSL (Secure Socket Layer) security protocol to perform high-intensity data Encryption transmission, but each mobile phone can not support the SSL protocol, and some mobile phones using specific Encryption equipment, such as mobile phone wallets for China mobile phones, use RFID-SIM card support hardware DES (data Encryption Standard) Encryption, but the cost is high.
Disclosure of Invention
In view of the foregoing, the present invention provides a method, a system and a related device for mobile internet encrypted communication, so as to solve the problem of relatively low security or high cost of encryption hardware in the existing mobile network communication.
The purpose of the invention is mainly realized by the following technical scheme:
the invention provides a method for encrypting communication of a mobile internet, which comprises the following steps:
the mobile internet server associates the terminal identification with a key pair which is generated in advance through an asymmetric encryption algorithm and consists of a public key and a private key, and sends the public key in the key pair to a corresponding terminal for storage;
and the terminal encrypts and decrypts by using the asymmetric encryption algorithm and the public key in the key pair, and the mobile internet server encrypts and decrypts by using the asymmetric encryption algorithm and the private key in the key pair.
Further, before executing the method, the method further comprises:
and when the terminal accesses the mobile internet server and finds that the terminal does not locally encrypt the used public key, sending the terminal identification to the mobile internet server to request to acquire the public key.
Further, the encrypting and decrypting by the terminal using the asymmetric encryption algorithm and the public key in the key pair, and the encrypting and decrypting by the mobile internet server using the asymmetric encryption algorithm and the private key in the key pair specifically include:
the terminal encrypts data to be sent by using the asymmetric encryption algorithm and a public key in the key pair, and sends the encrypted data and the terminal identification to a mobile internet server; when the mobile internet server receives the data and the terminal identification sent by the terminal, finding a corresponding key pair according to the terminal identification, and decrypting the data sent by the terminal by using the asymmetric encryption algorithm and a private key in the key pair;
or,
the mobile internet server encrypts data to be sent by using the asymmetric encryption algorithm and a private key in the key pair, and sends the encrypted data to the terminal; and the terminal decrypts the data sent by the mobile Internet server by using the asymmetric encryption algorithm and the public key in the key pair.
The terminal identification is an international mobile subscriber identity.
The invention also provides a system for encrypting communication of the mobile internet, which comprises the following components:
the mobile internet server is used for associating the terminal identification with a key pair which is generated in advance through an asymmetric encryption algorithm and consists of a public key and a private key, and sending the public key in the key pair to the corresponding terminal for storage; the mobile internet service is also used for encrypting and decrypting by using the asymmetric encryption algorithm and a private key in the key pair;
and the terminal is used for carrying out corresponding encryption and decryption by utilizing the asymmetric encryption algorithm and the public key in the key pair.
Further, the terminal is further configured to send a terminal identifier to the mobile internet server to request to acquire the public key when the terminal wants to access the mobile internet server and finds that the public key used for encryption is not locally available at the terminal.
The present invention also provides a mobile internet server, comprising:
the association module is used for associating the terminal identification with a key pair which is generated in advance through an asymmetric encryption algorithm and consists of a public key and a private key, and sending the public key in the key pair to a corresponding terminal for storage;
the encryption and decryption module is used for finding a corresponding key pair according to the terminal identification when receiving data and the terminal identification sent by the terminal, and decrypting by using the asymmetric encryption algorithm and a private key in the key pair; or, the asymmetric encryption algorithm and the private key in the key pair are used for encrypting the data to be sent, and the encrypted data is sent to the terminal.
The present invention also provides a terminal, including:
the terminal comprises an acquisition module, a sending module and a sending module, wherein the acquisition module is used for sending a terminal identifier to a mobile internet server to request to acquire a public key when the terminal accesses the mobile internet server and finds that the public key used for encryption is not locally available in the terminal;
the encryption and decryption module is used for encrypting data to be sent by using a preset asymmetric encryption algorithm and the acquired public key and sending the encrypted data to the mobile internet server together with the terminal identification; or, the data sent by the mobile internet server is decrypted by using the asymmetric encryption algorithm and the obtained public key.
The invention has the following beneficial effects:
the invention uses the asymmetric encryption algorithm to encrypt and decrypt the network communication process of the mobile terminal and the server, improves the security of mobile network communication and does not increase the hardware cost.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
Fig. 1 is a schematic flow chart of a mobile terminal acquiring a public key in the method according to the embodiment of the present invention;
fig. 2 is a schematic flow chart of encrypted communication performed by the mobile terminal through the mobile internet in the method according to the embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a mobile internet server according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and which together with the embodiments of the invention serve to explain the principles of the invention. For the purpose of clarity and simplicity, a detailed description of known functions and configurations in the devices described herein will be omitted when it may obscure the subject matter of the present invention.
First, a method for mobile internet encrypted communication according to an embodiment of the present invention will be described in detail with reference to fig. 1 and 2.
As shown in fig. 1, fig. 1 is a schematic flow chart of a method for a terminal to obtain a public key according to the embodiment of the present invention, which may specifically include the following steps:
step 101: generating a plurality of unique key pairs by an asymmetric encryption algorithm on a mobile internet server side, wherein each key pair consists of a public key (public key) and a private key (private key); and storing the key pairs and IMSI numbers (International Mobile Subscriber Identity, International Mobile Subscriber Identity, number allocated for uniquely identifying a Mobile Subscriber internationally) of the terminal SIM cards into a key table, wherein each IMSI number corresponds to a unique key pair;
step 102: when a terminal accesses a mobile internet server, if the terminal does not encrypt the used public key locally, a request message is sent to the mobile internet server to request the mobile internet server to distribute the public key for the terminal; the request sent needs to contain the IMSI number of the terminal SIM card, and the format of the request may be
“PZ IMSI＝123456789012345”；
Step 103: after receiving a message which is sent by a terminal and requests to distribute a public key, a mobile internet server finds a group of key pairs which are not distributed yet, associates the IMSI number of the terminal with the key pair, and then sends the public key of the key pair to the terminal;
step 104: after receiving the public key sent by the mobile internet server, the terminal stores the IMSI number and the corresponding public key thereof into a Non-Volatile Random Access Memory (NVRAM) in the terminal in a matching manner; the matched storage is convenient for the mobile phone to be safely used after different SIM cards are replaced, and simultaneously, the situation that the IMSI number of other SIM cards cannot be used by falsifying is ensured.
As shown in fig. 2, fig. 2 is a schematic flow chart of a terminal performing encrypted communication through a mobile internet in the method according to the embodiment of the present invention, which may specifically include the following steps:
step 201: when a terminal sends a request message to a mobile internet server, packaging and packaging data for sending the request according to a specified format, then encrypting the data needing to send the request by using an asymmetric encryption algorithm which is the same as that of the mobile internet server and a public key in a key pair distributed to the terminal by the mobile internet server, and carrying the encrypted data together with the IMSI number of the terminal in the request message to send the mobile internet server;
step 202: after receiving the request message sent by the terminal, the mobile internet server searches a key pair corresponding to the terminal according to the IMSI number in the request message, and then decrypts the data in the request message by using an asymmetric encryption algorithm and a private key in the key pair;
step 203: the mobile internet server side sends a response message to the terminal, the data sending the response is packaged according to a specified format, and then the data sending the response is encrypted by using an asymmetric encryption algorithm and a private key in the key pair;
step 204: and after receiving the response message sent by the mobile internet server, the terminal directly decrypts the data in the response message by using the asymmetric encryption algorithm and the public key in the key pair.
It should be noted that, as a preferred embodiment of the present invention, a mode is adopted here in which when a terminal requests to obtain a public key, a mobile internet server selects a secret key to associate with an IMSI number of the terminal; the invention can also actively pre-distribute the key pair to the terminal with known IMSI number by the mobile internet server, respectively correlate the IMSI number of each terminal with a unique key pair and send the public key in the key pair to the corresponding terminal; furthermore, the asymmetric encryption algorithms mentioned in the method of the present invention are not limited to a specific method, but can be arbitrarily combined according to specific design requirements.
The mobile internet encrypted communication system according to the embodiment of the present invention will be described in detail below.
As shown in fig. 3, fig. 3 is a schematic structural diagram of a system according to an embodiment of the present invention, which may specifically include: a mobile internet server and a terminal, wherein,
the mobile internet server is mainly responsible for generating a plurality of groups of unique key pairs in advance through an asymmetric encryption algorithm, and each key pair comprises a public key and a private key; the mobile internet server associates the terminal identifier (such as an IMSI number) with a pre-generated key pair, and sends a public key in the key pair to a corresponding terminal for storage;
and the terminal sends the terminal identification to the mobile internet server when the terminal accesses the mobile internet server and finds that the terminal does not locally have the public key used for encryption, and requests the internet server to distribute the public key for the terminal.
When the terminal sends the request message, the data which needs to send the request is encrypted by using an asymmetric encryption algorithm and a public key obtained from the mobile internet server, and the encrypted data and the terminal identification are carried in the request message and sent to the mobile internet server; when receiving a request message sent by a terminal, the mobile internet server finds a corresponding key pair according to the terminal identification of the request message, and decrypts the data in the request message by using an asymmetric encryption algorithm and a private key in the key pair.
When the mobile internet server sends a response message to the terminal, encrypting the data for sending the response by using an asymmetric encryption algorithm and a private key in the key pair, and sending the encrypted data to the terminal; and after receiving the response message, the terminal decrypts the data in the response message by using the asymmetric encryption algorithm and the public key acquired from the mobile internet server.
Finally, the related device according to the embodiment of the present invention will be described in detail with reference to fig. 4 and 5.
As shown in fig. 4, fig. 4 is a schematic structural diagram of a mobile internet server according to an embodiment of the present invention, which may specifically include: an association module and an encryption and decryption module, wherein,
the association module associates the terminal identification with a key pair which is generated in advance through an asymmetric encryption algorithm and consists of a public key and a private key, and sends the public key in the key pair to a corresponding terminal for storage;
the encryption and decryption module finds a corresponding key pair according to the terminal identification when receiving data and the terminal identification sent by the terminal, and decrypts by using the asymmetric encryption algorithm and a private key in the key pair; or, the asymmetric encryption algorithm and the private key in the key pair are used for encrypting the data to be sent, and the encrypted data is sent to the terminal.
As shown in fig. 5, fig. 5 is a schematic structural diagram of a terminal according to an embodiment of the present invention, which may specifically include: an acquisition module and an encryption and decryption module, wherein,
the terminal comprises an acquisition module, a sending module and a sending module, wherein the acquisition module sends a terminal identifier to a mobile internet server to request to acquire a public key when the terminal accesses the mobile internet server and finds that the public key used for encryption is not locally available in the terminal;
the encryption and decryption module is used for encrypting data to be sent by using a preset asymmetric encryption algorithm and the obtained public key and sending the encrypted data and the terminal identification to the mobile internet server; or, the data sent by the mobile internet server is decrypted by using the asymmetric encryption algorithm and the obtained public key.
In summary, embodiments of the present invention provide a method, a system and a related device for mobile internet encrypted communication, which provide an encryption and decryption means for a mobile communication network requiring high security assurance. The embodiment of the invention uses an asymmetric encryption algorithm to encrypt and decrypt the network communication process of the terminal and the server, the public key and the private key are a pair, if the public key is used to encrypt data, only the corresponding private key can be used to decrypt the data; if the data is encrypted with a private key, it can only be decrypted with the corresponding public key. Because the terminal and the server respectively use two different keys, the data transmitted by the terminal network is difficult to crack even if intercepted, and the encrypted data can not be decrypted even if the terminal is taken, thereby greatly improving the security of mobile network communication. In addition, the embodiment of the invention does not need extra encryption equipment to participate, has no extra hardware cost, can be applied to the fields of mobile network payment, mobile network security trading, military network communication and the like, and can be supported by terminals (such as mobile phones, personal handyphones and the like) with unique identifiers.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010264514XA CN101917710A (en) | 2010-08-27 | 2010-08-27 | Method, system and related device for mobile Internet encrypted communication |
| PCT/CN2010/079670 WO2012024872A1 (en) | 2010-08-27 | 2010-12-10 | Method, system and related apparatus for encrypting communication in mobile internet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010264514XA CN101917710A (en) | 2010-08-27 | 2010-08-27 | Method, system and related device for mobile Internet encrypted communication |
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| Publication Number | Publication Date |
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| CN101917710A true CN101917710A (en) | 2010-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010264514XA Pending CN101917710A (en) | 2010-08-27 | 2010-08-27 | Method, system and related device for mobile Internet encrypted communication |
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| WO (1) | WO2012024872A1 (en) |
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| CN102098317A (en) * | 2011-03-22 | 2011-06-15 | 浙江中控技术股份有限公司 | Data transmitting method and system applied to cloud system |
| CN102857522A (en) * | 2012-10-12 | 2013-01-02 | 广州市品高软件开发有限公司 | Identity authentication method and system for cloud computing desktop terminal |
| CN103166757A (en) * | 2011-12-19 | 2013-06-19 | 卓望数码技术（深圳）有限公司 | Method and system capable of dynamically protecting user private data |
| CN103354637A (en) * | 2013-07-22 | 2013-10-16 | 全渝娟 | Internet of things terminal M2M communication encryption method |
| CN103428691A (en) * | 2012-05-24 | 2013-12-04 | 希姆通信息技术（上海）有限公司 | Mobile phone bank safety certificating method and system |
| CN103795780A (en) * | 2013-12-06 | 2014-05-14 | 中国科学院深圳先进技术研究院 | Cloud storage data protection method and device |
| CN104821944A (en) * | 2015-04-28 | 2015-08-05 | 广东小天才科技有限公司 | Hybrid encryption network data security method and system |
| CN104954378A (en) * | 2015-06-19 | 2015-09-30 | 收付宝科技有限公司 | Asymmetric message encryption method and system |
| CN105337741A (en) * | 2015-10-14 | 2016-02-17 | 四川省宁潮科技有限公司 | Trust device autonomous registering method based on asymmetric algorithm |
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| CN110650113A (en) * | 2018-04-24 | 2020-01-03 | 物联智慧股份有限公司 | Data encryption and decryption method and system, networking device and data encryption and decryption method thereof |
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| CN102098317A (en) * | 2011-03-22 | 2011-06-15 | 浙江中控技术股份有限公司 | Data transmitting method and system applied to cloud system |
| CN103166757A (en) * | 2011-12-19 | 2013-06-19 | 卓望数码技术（深圳）有限公司 | Method and system capable of dynamically protecting user private data |
| CN103428691A (en) * | 2012-05-24 | 2013-12-04 | 希姆通信息技术（上海）有限公司 | Mobile phone bank safety certificating method and system |
| CN102857522A (en) * | 2012-10-12 | 2013-01-02 | 广州市品高软件开发有限公司 | Identity authentication method and system for cloud computing desktop terminal |
| CN103354637B (en) * | 2013-07-22 | 2016-03-02 | 全渝娟 | A kind of internet-of-things terminal M2M communication encrypting method |
| CN103354637A (en) * | 2013-07-22 | 2013-10-16 | 全渝娟 | Internet of things terminal M2M communication encryption method |
| CN103795780A (en) * | 2013-12-06 | 2014-05-14 | 中国科学院深圳先进技术研究院 | Cloud storage data protection method and device |
| CN104821944A (en) * | 2015-04-28 | 2015-08-05 | 广东小天才科技有限公司 | Hybrid encryption network data security method and system |
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