CN102036236A - Method and device for authenticating mobile terminal - Google Patents
Method and device for authenticating mobile terminal Download PDFInfo
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- CN102036236A CN102036236A CN2010105253963A CN201010525396A CN102036236A CN 102036236 A CN102036236 A CN 102036236A CN 2010105253963 A CN2010105253963 A CN 2010105253963A CN 201010525396 A CN201010525396 A CN 201010525396A CN 102036236 A CN102036236 A CN 102036236A
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Abstract
The invention discloses a method for authenticating a mobile terminal, comprising the following steps of: acquiring a digital certificate, an international mobile equipment identity number (IMEI), an international mobile subscriber identification number (IMSI) and short message service center (SMSC) number information on the mobile terminal; carrying out the encryption algorithm according to the IMEI, the IMSI and the SMSC number information to obtain a ciphertext; comparing the digital certificate with the ciphertext; and when the digital certificate is consistent with the ciphertext, passing the authentication. The invention also provides a corresponding device. According to the method and the device for authenticating the mobile terminal, by acquiring the IMEI, the IMSI and the SMSC number information on the mobile terminal, the mobile terminal is authenticated and the use safety of the mobile terminal on the internet can be improved.
Description
Technical field
The present invention relates to the communications field, specially refer to a kind of method and apparatus mobile terminal authentication.
Background technology
Digital certificate is a series of data of sign communication each side identity information in the internet communication, and it provides a kind of mode of identity verification on the internet.Simple numerical certificate comprises the digital signature at a public-key cryptography, title and certificate granting center.
Digital certificate is issued process and is generally: it is right that the user at first produces the key of oneself, and send public keys and part personally identifiable information to authentication center.Authentication center will carry out some necessary steps after examining identity, sent by the user really to be sure of request, then, authentication center will issue digital certificate of user, comprise user's personal information and public key information in this digital certificate, also have the signing messages of authentication center simultaneously.The comings and goings that the user just can use the digital certificate of oneself to be correlated with.
Digital certificate obtaining and using at present, all need user interactions, import a large amount of personal user information, and portable terminal can't compare all with ability to communicate etc. in disposal ability with PC, the digital certificate mechanism on the conventional personal computer can't normally be carried out on portable terminal.Therefore the Internet mainly passes through simple authentication portable terminal identification code (International Mobile Equipment Identity to the authentication of mobile phone users at present, IMEI) or mobile identification number (International Mobile Subscriber Identification Number, IMSI) or both combinations, this authentication mode is simple and easy to be cracked, and causes potential safety hazard easily.
Summary of the invention
Main purpose of the present invention is for providing a kind of method and apparatus to mobile terminal authentication, and IMEI, IMSI and SMSC number information by obtaining portable terminal authenticate portable terminal, has improved the fail safe that portable terminal uses in the Internet.
The present invention proposes a kind of method to mobile terminal authentication, comprising:
Obtain digital certificate, portable terminal identification code IMEI, mobile identification number IMSI and SMS service center SMSC number information on the portable terminal;
Carry out cryptographic algorithm according to described IMEI, IMSI and SMSC number information and obtain ciphertext;
Contrast described digital certificate and ciphertext, when digital certificate was consistent with ciphertext, authentication was passed through.
Preferably, before carrying out described digital certificate, IMEI, IMSI and the SMSC number information that obtains on the portable terminal, comprising:
Generate digital certificate;
Send digital certificate to portable terminal.
Preferably, described generation digital certificate comprises:
Obtain IMEI, IMSI and the SMSC number information of portable terminal;
Obtain digital certificate by described cryptographic algorithm.
Preferably, after carrying out described digital certificate, IMEI, IMSI and the SMSC number information that obtains on the portable terminal, also comprise:
Distribute mobile phone users identification code and corresponding password, and send to portable terminal.
Preferably, describedly carry out cryptographic algorithm according to IMEI, IMSI and SMSC number information and obtain ciphertext and comprise:
Respectively described IMEI, IMSI and SMSC number information are encrypted;
IMEI, IMSI after encrypting and SMSC number information are combined into the encryption string;
Described encryption string is encrypted once more.
The present invention also proposes a kind of device to mobile terminal authentication, comprising:
Acquisition module is used to obtain digital certificate, portable terminal identification code IMEI, mobile identification number IMSI and SMS service center SMSC number information on the portable terminal;
Generate the ciphertext module, be used for carrying out cryptographic algorithm and obtain ciphertext according to described IMEI, IMSI and SMSC number information;
Authentication module is used to contrast described digital certificate and ciphertext, and when digital certificate was consistent with ciphertext, authentication was passed through.
Preferably, described device to mobile terminal authentication also comprises:
The module that Generates Certificate is used to generate digital certificate;
Sending module is used to send digital certificate to portable terminal.
Preferably, the described module that Generates Certificate comprises:
Acquiring unit is used to obtain IMEI, IMSI and the SMSC number information of portable terminal;
First ciphering unit is used for obtaining digital certificate by described cryptographic algorithm.
Preferably, described device to mobile terminal authentication also comprises:
Distribution module is used to distribute mobile phone users identification code and corresponding password, and sends to portable terminal.
Preferably, described generation ciphertext module comprises:
Second ciphering unit is used for respectively described IMEI, IMSI and SMSC number information being encrypted;
Assembled unit is used for IMEI, IMSI after encrypting and SMSC number information are combined into the encryption string;
The 3rd ciphering unit is used for described encryption string is encrypted once more.
The method and apparatus that the present invention proposes to mobile terminal authentication, IMEI, IMSI and SMSC number information by obtaining portable terminal also carries out cryptographic calculation, ciphertext and the digital certificate on the portable terminal that cryptographic calculation is obtained compare to authenticate the identity of portable terminal, have improved the fail safe that portable terminal uses in the Internet.
Description of drawings
Fig. 1 is the schematic flow sheet of the present invention to method one embodiment of mobile terminal authentication;
Fig. 2 is the schematic flow sheet of the present invention to generation ciphertext among method one embodiment of mobile terminal authentication;
Fig. 3 is the schematic flow sheet of the present invention to the another embodiment of method of mobile terminal authentication;
Fig. 4 is the schematic flow sheet of the present invention to generation digital certificate among the another embodiment of the method for mobile terminal authentication;
Fig. 5 is the structural representation of the present invention to device one embodiment of mobile terminal authentication;
Fig. 6 is the structural representation of the present invention to generation ciphertext module among device one embodiment of mobile terminal authentication;
Fig. 7 is the structural representation of the present invention to the another embodiment of device of mobile terminal authentication;
Fig. 8 is the structural representation of the present invention to the module that Generates Certificate among the another embodiment of the device of mobile terminal authentication.
The realization of the object of the invention, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
The method and apparatus that the present invention proposes to mobile terminal authentication, IMEI, IMSI and SMSC number information by obtaining portable terminal also carries out cryptographic calculation, and ciphertext that cryptographic calculation is obtained and the digital certificate on the portable terminal compare the identity with the authentication portable terminal.
With reference to Fig. 1, a kind of method one embodiment to mobile terminal authentication of the present invention is proposed, comprising:
Step S101 obtains digital certificate, portable terminal identification code IMEI, mobile identification number IMSI and SMS service center SMSC number information on the portable terminal;
The device that provides the server operator of service that a pair of mobile terminal authentication at first is set for portable terminal authenticates the identity of portable terminal.This device can be connected or be built in server with server.After server and portable terminal are set up link, the device of mobile terminal authentication is obtained digital certificate, IMEI, IMSI and the SMSC number information that is kept on the portable terminal.
Step S102 carries out cryptographic algorithm according to IMEI, IMSI and SMSC number information and obtains ciphertext;
After the device of mobile terminal authentication received IMEI, IMSI and SMSC number information, can adopt cryptographic algorithm that IMEI, IMSI and SMSC number information are carried out cryptographic calculation to obtain ciphertext.Cryptographic calculation can be undertaken by following method: IMEI, IMSI are carried out the encryption of different cryptographic algorithm respectively with the SMSC number information, secondly the result after three encryptions is combined into a new encryption string respectively, (Message Digest Algorithm, MD5) final ciphertext is obtained in encryption then the encryption string to be carried out Message Digest Algorithm 5 once more.Better execution mode is, after the device of mobile terminal authentication is received IMEI, IMSI and SMSC number information, distribute unique customer identification number and corresponding password to portable terminal, this customer identification number is carried out the encryption of different cryptographic algorithm with corresponding password, IMEI, IMSI respectively with the SMSC number information, secondly the result after 5 encryptions is combined into a new encryption string respectively, at last the encryption string is carried out md5 encryption once more and obtain final ciphertext.
The cryptographic algorithm that it should be noted that present embodiment is not limited only to above-mentioned cryptographic algorithm, others skilled in the art therefore can expect other all be applicable to present embodiment according to the cryptographic algorithm that IMEI, IMSI and SMSC number information carry out.
Step S103, contrast digital certificate and ciphertext, when digital certificate was consistent with ciphertext, authentication was passed through.
Device to mobile terminal authentication compares ciphertext and the digital certificate that obtains from portable terminal, and is identical as both, and authentication is just passed through, otherwise authentication is not passed through.
The method that the present invention proposes to mobile terminal authentication, IMEI, IMSI and SMSC number information by obtaining portable terminal also carries out cryptographic calculation, ciphertext and the digital certificate on the portable terminal that cryptographic calculation is obtained compare to authenticate the identity of portable terminal, have improved the fail safe that portable terminal uses in the Internet.
With reference to Fig. 2, in a kind of method one embodiment to mobile terminal authentication of the present invention, step S102 can comprise:
Step S1021 encrypts IMEI, IMSI and SMSC number information respectively;
Step S1022 is combined into the encryption string with IMEI, IMSI after encrypting and SMSC number information;
Step S1023 encrypts once more to encrypting string.
Cryptographic calculation can be undertaken by following method: IMEI, IMSI are carried out the encryption of different cryptographic algorithm respectively with the SMSC number information, secondly the result after three encryptions is combined into a new encryption string respectively, then the encryption string is carried out md5 encryption once more and obtain final ciphertext.
With reference to Fig. 3, the present invention is proposed to the another embodiment of the method for mobile terminal authentication, in the above-described embodiments, before execution in step S101, also comprise:
Step S99 generates digital certificate;
After the device of mobile terminal authentication and portable terminal are connected, in the time that digital certificate can't being obtained, then generate a digital certificate earlier.
Step S100 sends digital certificate to portable terminal.
With reference to Fig. 4, wherein, step S99 can comprise:
Step S9901 obtains IMEI, IMSI and the SMSC number information of portable terminal;
When portable terminal generates digital certificate at first portable terminal obtain IMEI, IMSI and the SMSC number information of portable terminal.
Step S9901 obtains digital certificate by cryptographic algorithm.
IMEI, IMSI and the SMSC number information of portable terminal are carried out obtaining digital certificate after the cryptographic algorithm, be to guarantee normally carrying out of subsequent authentication procedure, the cryptographic algorithm of ciphertext was identical when the cryptographic algorithm of digital authenticating should be with subsequent authentication.
After execution in step S101, also comprise:
Step S1011 distributes mobile phone users identification code and corresponding password, and sends to portable terminal.
Device to mobile terminal authentication can be portable terminal distributing user identification code and corresponding password, and sends to portable terminal, is kept in this device simultaneously.This user identification code and corresponding password can participate in cryptographic calculation, also can use to distinguish the identity of portable terminal separately.
In method one embodiment to mobile terminal authentication, to the device generation digital certificate of mobile terminal authentication, and be sent to the portable terminal preservation, on method one embodiment basis, produce the digital certificate of confessing card to mobile terminal authentication.And utilize user identification code and corresponding password, the fail safe that improves portable terminal.
With reference to Fig. 5, a kind of device that portable terminal is authenticated of the present invention is proposed, comprising:
Generate ciphertext module 20, be used for carrying out cryptographic algorithm and obtain ciphertext according to IMEI, IMSI and SMSC number information;
The device that portable terminal is authenticated can be connected with server or be built in the server.After server and portable terminal foundation link, acquisition module 10 obtains digital certificate, IMEI, IMSI and the SMSC number information that is kept on the portable terminal.
After acquisition module 10 is received IMEI, IMSI and SMSC number information, generate ciphertext module 20 and adopt cryptographic algorithm that IMEI, IMSI and SMSC number information are carried out cryptographic calculation to obtain ciphertext.Cryptographic calculation can be undertaken by following method: IMEI, IMSI are carried out the encryption of different cryptographic algorithm respectively with the SMSC number information, secondly after the result after three encryptions being combined into a new encryption string respectively, then the encryption string being carried out md5 encryption once more and obtain final ciphertext.Better execution mode is, after acquisition module 10 is received IMEI, IMSI and SMSC number information, distribute unique customer identification number and corresponding password to portable terminal, generate ciphertext module 20 this customer identification number is carried out the encryption of different cryptographic algorithm with corresponding password, IMEI, IMSI respectively with the SMSC number information, secondly the result after 5 encryptions is combined into a new encryption string respectively, at last this encryption string is carried out md5 encryption once more and obtain final ciphertext.
The cryptographic algorithm that it should be noted that present embodiment is not limited only to above-mentioned cryptographic algorithm, others skilled in the art therefore can expect other all be applicable to present embodiment according to the cryptographic algorithm that IMEI, IMSI and SMSC number information carry out.
The device of 30 pairs of mobile terminal authentications of authentication module compares ciphertext and the digital certificate that obtains from portable terminal, and is identical as both, and authentication is just passed through, otherwise authentication is not passed through.
The device that the present invention proposes to mobile terminal authentication, IMEI, IMSI and SMSC number information by obtaining portable terminal also carries out cryptographic calculation, ciphertext and the digital certificate on the portable terminal that cryptographic calculation is obtained compare to authenticate the identity of portable terminal, have improved the fail safe that portable terminal uses in the Internet.
With reference to Fig. 6, in a kind of device one embodiment of the present invention, generate ciphertext module 20 and comprise mobile terminal authentication:
The 3rd ciphering unit 23 is used for encrypting once more encrypting string.
Cryptographic calculation can be undertaken by following method: second ciphering unit 21 couples of IMEI, IMSI carry out the encryption of different cryptographic algorithm respectively with the SMSC number information, secondly the result of assembled unit 22 after with three encryptions is combined into a new encryption string respectively, and 23 pairs of the 3rd ciphering units are encrypted string and carried out md5 encryption once more and obtain final ciphertext then.
With reference to Fig. 7, propose also to comprise among the another embodiment of a kind of device of the present invention to mobile terminal authentication:
The module 40 that Generates Certificate is used to generate digital certificate;
Sending module 50 is used to send digital certificate to portable terminal;
After the device of mobile terminal authentication and portable terminal were connected, in the time of can't obtaining digital certificate, the module that then Generates Certificate 40 generated digital certificates earlier, sends to portable terminal by sending module 50.
With reference to Fig. 8, the module that Generates Certificate 40 comprises:
Acquiring unit 41 is used to obtain IMEI, IMSI and the SMSC number information of portable terminal;
After acquiring unit 41 obtains IMEI, the IMSI and SMSC number information of portable terminal, first ciphering unit 41 carries out IMEI, IMSI and the SMSC number information of portable terminal to obtain digital certificate after the cryptographic algorithm, be to guarantee normally carrying out of subsequent authentication procedure, the cryptographic algorithm of ciphertext was identical when the cryptographic algorithm of first ciphering unit 41 should be with subsequent authentication.
Device to mobile terminal authentication also can comprise:
Distribution module 60 is used to distribute mobile phone users identification code and corresponding password, and sends to portable terminal.
Distribution module 60 can be portable terminal distributing user identification code and corresponding password, and sends to portable terminal, is kept in the local terminal simultaneously.This user identification code and corresponding password can participate in cryptographic calculation, also can use to distinguish the identity of portable terminal separately.
In device one embodiment to mobile terminal authentication, to the device generation digital certificate of mobile terminal authentication, and be sent to the portable terminal preservation, on device one embodiment basis, produce the digital certificate of confessing card to mobile terminal authentication.And utilize user identification code and corresponding password, the fail safe that improves portable terminal.
The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. the method to mobile terminal authentication is characterized in that, comprising:
Obtain digital certificate, portable terminal identification code IMEI, mobile identification number IMSI and SMS service center SMSC number information on the portable terminal;
Carry out cryptographic algorithm according to described IMEI, IMSI and SMSC number information and obtain ciphertext;
Contrast described digital certificate and ciphertext, when digital certificate was consistent with ciphertext, authentication was passed through.
2. the method to mobile terminal authentication as claimed in claim 1 is characterized in that, before carrying out described digital certificate, IMEI, IMSI and the SMSC number information that obtains on the portable terminal, comprising:
Generate digital certificate;
Send digital certificate to portable terminal.
3. the method to mobile terminal authentication as claimed in claim 2 is characterized in that, described generation digital certificate comprises:
Obtain IMEI, IMSI and the SMSC number information of portable terminal;
Obtain digital certificate by described cryptographic algorithm.
4. as each described method in the claim 1 to 3, it is characterized in that, after carrying out described digital certificate, IMEI, IMSI and the SMSC number information that obtains on the portable terminal, also comprise mobile terminal authentication:
Distribute mobile phone users identification code and corresponding password, and send to portable terminal.
5. as each described method in the claim 1 to 3, it is characterized in that, describedly carry out cryptographic algorithm according to IMEI, IMSI and SMSC number information and obtain ciphertext and comprise mobile terminal authentication:
Respectively described IMEI, IMSI and SMSC number information are encrypted;
IMEI, IMSI after encrypting and SMSC number information are combined into the encryption string;
Described encryption string is encrypted once more.
6. the device to mobile terminal authentication is characterized in that, comprising:
Acquisition module is used to obtain digital certificate, portable terminal identification code IMEI, mobile identification number IMSI and SMS service center SMSC number information on the portable terminal;
Generate the ciphertext module, be used for carrying out cryptographic algorithm and obtain ciphertext according to described IMEI, IMSI and SMSC number information;
Authentication module is used to contrast described digital certificate and ciphertext, and when digital certificate was consistent with ciphertext, authentication was passed through.
7. the device to mobile terminal authentication as claimed in claim 6 is characterized in that, also comprises:
The module that Generates Certificate is used to generate digital certificate;
Sending module is used to send digital certificate to portable terminal.
8. the device to mobile terminal authentication as claimed in claim 7 is characterized in that, the described module that Generates Certificate comprises:
Acquiring unit is used to obtain IMEI, IMSI and the SMSC number information of portable terminal;
First ciphering unit is used for obtaining digital certificate by described cryptographic algorithm.
9. as each described device in the claim 6 to 8, it is characterized in that, also comprise mobile terminal authentication:
Distribution module is used to distribute mobile phone users identification code and corresponding password, and sends to portable terminal.
10. as each described device in the claim 6 to 8, it is characterized in that described generation ciphertext module comprises to mobile terminal authentication:
Second ciphering unit is used for respectively described IMEI, IMSI and SMSC number information being encrypted;
Assembled unit is used for IMEI, IMSI after encrypting and SMSC number information are combined into the encryption string;
The 3rd ciphering unit is used for described encryption string is encrypted once more.
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| CN105704715A (en) * | 2015-04-10 | 2016-06-22 | 浙江公共安全技术研究院有限公司 | Secure communication authentication method of mobile terminal |
| CN105429985A (en) * | 2015-11-30 | 2016-03-23 | 青岛海尔智能家电科技有限公司 | MAC (Media Access Control) authentication method, authentication device and MAC encryption method for WIFI (Wireless Fidelity) module and WIFI module |
| CN105916132A (en) * | 2015-12-12 | 2016-08-31 | 乐视移动智能信息技术（北京）有限公司 | Targeted service binding method of mobile terminal and targeted service binding device of mobile terminal |
| CN105873059A (en) * | 2016-06-08 | 2016-08-17 | 中国南方电网有限责任公司电网技术研究中心 | Joint identity authentication method and system for power distribution communication wireless private network |
| CN106162630A (en) * | 2016-06-21 | 2016-11-23 | 贵州电网有限责任公司电力调度控制中心 | The encryption guard system of a kind of terminal unit and method |
| CN106162630B (en) * | 2016-06-21 | 2023-03-10 | 贵州电网有限责任公司电力调度控制中心 | Encryption protection method for terminal equipment |
| CN106899410A (en) * | 2016-09-13 | 2017-06-27 | 中国移动通信有限公司研究院 | A kind of method and device of equipment identities certification |
| CN106899410B (en) * | 2016-09-13 | 2019-06-25 | 中国移动通信有限公司研究院 | A kind of method and device of equipment identities certification |
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Application publication date: 20110427 |