CN107708150A - Arrowband internet-of-things terminal Non-Access Stratum authentication functions conformance test method and system - Google Patents
Arrowband internet-of-things terminal Non-Access Stratum authentication functions conformance test method and system Download PDFInfo
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- CN107708150A CN107708150A CN201711195237.XA CN201711195237A CN107708150A CN 107708150 A CN107708150 A CN 107708150A CN 201711195237 A CN201711195237 A CN 201711195237A CN 107708150 A CN107708150 A CN 107708150A
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Abstract
The system and method for disclosing a kind of arrowband Internet of Things (NB IoT) terminal Non-Access Stratum authentication functions uniformity test, based on master computer and system simulator, the interface of Non-Access Stratum NAS in arrowband Internet of Things is defined, arrowband internet-of-things terminal Non-Access Stratum authentication functions are tested, to improve existing testing protocol consistency demand, and for being directed to NB IOT research and development, test and networking certification work in the future, ensure by the business terminal of certification in existing network and be capable of between the network equipment of different vendor and interconnect.
Description
Technical field
The present invention relates to the communications field, and in particular to a kind of arrowband internet-of-things terminal Non-Access Stratum authentication functions uniformity is surveyed
Method for testing.
Background technology
Arrowband Internet of Things (Narrow Band Internet of Things, NB-IoT) is low-power consumption wide area network (Low
Power Wide Access, LPWA) one of numerous technologies, it can support low power consuming devices in the cellular data of wide area network
Connection.NB-IoT possesses four characteristicses：First, extensively cover, it will thus provide improved in-door covering, under same frequency range, NB-IoT
Than existing network gain 20dB, area coverage expands 100 times；Second, possess the ability of support magnanimity connection, NB-IoT mono-
Sector can support 100,000 connections, support low latency sensitivity, ultralow equipment cost, low-power consumption and the network rack of optimization
Structure；Third, more low-power consumption, the stand-by time of NB-IoT terminal modules is 10 years；Fourth, lower module cost, enterprise are pre-
The single successive module of phase is no more than 5 dollars.A variety of vertical industries are can be widely applied to, such as remote meter reading, asset tracking, intelligence
Energy parking, wisdom agricultural etc..
NB-IoT accesses network using 180kHz upstream and downstream bandwidths by E-UTRA, can be deployed directly into GSM network or LTE
Network.NB-IoT has the pattern of three kinds of deployment：Stand-alone operation, Guard-band operation and In-
band operation.It is descending use OFDMA multiple access technologies, it is up to use SC-FDMA, be divided into single-tone (Single-tone, one
Individual uplink sub-carrier) and multitone (Multi-tone, multiple uplink sub-carriers).Rel13 NB-IoT is using semiduplex
FDD, TDD wouldn't be supported.NB-IoT supports multicarrier (Multi-carrier, i.e. Multi-PRB) mode, you can to make in addition
Data are passed with other non-anchor (non-anchor) NB-IoT carrier waves, are specifically had with reference to deployment way, supported combination
Inband+inband, inband+guardband, guardband+guardband, Standalone+standalone, do not prop up
Hold standalone mode and guard-band or in-band combination.Deployment of China's operators plan to NB-IoT at present
In GSM frequency ranges, 800-900MHz is concentrated mainly on.
Although the core specification of NB-IoT technologies is write in LTE (Long Term Evolution) specification, it is nevertheless believed that it is one only
Vertical RAT (Radio Access Technologies, wireless access technology), it is with LTE technologies main difference is that its is right
LTE Medium Access Layer (MAC), wireless chain control layer (RLC) and PDCP (PDCP) layer protocol function
Simplified and adjusted, hang-up-recovery (suspend-resume) flow newly with the addition of to wireless heterogeneous networks (RRC) layer,
New special message and process is introduced in NAS agreements, so that fast quick-recovery connects.NB-IoT points are three kinds of solutions：
One kind is control plane solution (Control Plane Solution, abbreviation CP solution, or be Control
Plane CIoT EPS optimizations), one kind is that user plane solves method (User Plane Solution, abbreviation
UP solution, or be User Plane CIoT EPS optimizations) and use two kinds of solutions simultaneously.Its
Middle CP solutions are that NB-IoT terminals must be supported, UP solutions are optional supports.
Meanwhile TTCN-3 (Testing and Test Control Notation) as TD-LTE and follow-up 4G without
The all-purpose language of line mobile communication terminal uniformity test, realized using its Script controlling and terminal protocol stack signaling uniformity is surveyed
The reliability and maturity of examination are widely recognized as by industry.TTCN-3 test case codes are exactly defined in terminal consistency test
The parameters such as test condition, testing process and the configuration message content of all test cases, by being put down in terminal consistency test instrument
The script is run on platform, deciphering of the measured terminal (chip) of different vendor to core protocol is tested out and whether realization is consistent,
Ultimate guarantee in existing network and is capable of between the network equipment of different vendor and interconnected by the business terminal of certification.
Lack NB-IOT safety-related interface and function in existing NB-IoT Protocol Conformance Test Systems, it is impossible to
The related test of security function is carried out to NB-IOT terminals, so as to influence the normal networking and commercialization of NB-IOT terminals.
The content of the invention
In view of this, the present invention provide a kind of arrowband internet-of-things terminal Non-Access Stratum authentication functions conformance test method and
System, the interface of the Non-Access Stratum NAS in NB-IOT is defined, to arrowband internet-of-things terminal Non-Access Stratum authentication functions
Tested.
First aspect, there is provided a kind of arrowband internet-of-things terminal Non-Access Stratum authentication functions consistency testing system, including：
Terminal to be tested, system simulator, and master computer, wherein, the master computer is the control of test system
Center, contain test case, arrowband Internet of things system module and Non-Access Stratum NAS simulators and external function module；System
Simulator is used to provide the functions such as wireless access control, and simulates Radio Link in arrowband Internet of things system wireless communication protocol stack
Control RLC, media access control MAC layer, physical layer and radio-frequency part grade main functional modules；The measured terminal and the system
System simulator is connected by radio frequency；
It is provided with the Non-Access Stratum NAS simulators：NAS control interfaces, for arrowband Internet of things system module and institute
State the control information interaction of NAS simulators；The interface of SRB Signalling exchanges is carried out with protenchyma networking module, the interface is used to pass
Up-downgoing message that is defeated to be sent or having received；
The system also includes the interface of the NAS simulators and the system simulator, for sending and receiving arrowband
The radio resource control layer protocol Data Unit of Internet of things system；
The type for the NAS message transmitted between test case and system simulator includes descending NAS message and up NAS disappears
Breath, the descending NAS message, descending safeguard protection information and downstream message protocol Data Unit comprising the message, under described
Row safeguard protection information includes security header and message authentication code indicating bit, and the downstream message PDU disappears comprising a descending NAS again
Breath and an optional incidentally NAS message list, one or more descending NAS message can be included in messaging list；It is up
NAS message includes up safeguard protection information and upstream message protocol Data Unit, and the up safeguard protection information includes peace
Full head and counter NAS count, the upstream message protocol Data Unit are again optional comprising a up NAS message and one
Up incidentally NAS message list, can include in messaging list one or more up NAS message；
It is related also to include the authentication such as authentication request, authentication refusal, Authentication Response and failed authentication in the test system
NAS message template, matching is sent and received for message；
Also include the function of authentication parameter initialization in the test system.
Preferably, the NAS control interfaces are used for arrowband Internet of things system module and the control information of the NAS simulators
Interaction, the message that the control interface is sent are NAS control data message, and the message of reception controls confirmation message for NAS.
Preferably, the NAS control datas message is divided into common and request two parts, and common parts indicate
Whether core net security function part needs bottom to reply confirmation message when sending current NAS control data message；
Request parts then indicate the particular content of the NAS control data message of core net security function part transmission, including core
The instruction discharged that net is opened for current NAS functions/restarting/, and core net count nas count for current Non-Access Stratum
The instruction of reading/setting of numerical value.
Preferably, the interface that SRB Signalling exchanges are carried out with protenchyma networking module, the interface are to be sent for transmitting
Or the up-downgoing message received, wherein, what it is into the NAS simulators is request message of the message for arrowband Internet of Things, please
The type of message is asked to be defined as common portion and signaling moiety, the common portion includes ID, SRB of serving cell route
Information, the temporal information sent, the signaling moiety then contain descending RRC information and NAS message.
Preferably, the interface of the NAS simulators and the system simulator, for sending and receiving arrowband Internet of Things system
The radio resource control layer protocol Data Unit of system, the request message of the radio resource control layer protocol Data Unit include down
Capable radio resource control layer message, instruction message package is containing up radio resource control layer message.
Preferably, the authentication request is a descending NAS message, and the message content includes the security header of message, message
Protocol type, message particular type, the KSI of NAS safe contexts, random number, authentication-tokens etc.；The authentication refusal is one
Descending NAS message, the message content include security header, type of message protocol, message particular type of message etc..Authentication Response is
One up NAS message, security header of the message content comprising message, type of message protocol, message particular type, authentication are corresponding
Parameter etc.；The failed authentication is a up NAS message, security header of the message package containing message, type of message protocol, message
Particular type, EMM reasons, failed authentication parameter etc..
Preferably, the function of the authentication parameter initialization is used to required mirror is calculated and generated in NBIOT systems
Weight parameter, specifically comprising random number (random value), encryption key (CK), tegrity protection key (IK), authentication-tokens
(AUTN), expected response (XRES), access layer-management key (Kasme) etc..
Preferably, the NAS security functions external function module includes NAS integrity protection correlation function, NAS encryptions are protected
Correlation function and NAS decryption correlation functions being protected, the tune of respective external power function is carried out during for handling up-downgoing NAS message
With.
Second aspect, there is provided a kind of conformance test method of arrowband internet-of-things terminal NAS security mode functions, flow is such as
Under：
Step S100, test platform is pre-set, initializes an arrowband Internet of things system；
Step S200, Control system simulation device sets cell parameter, establishes cell 1 and cell 2, sets same frequency gravity treatment to join
Number, broadcast allows co-frequency cell gravity treatment in system broadcast message sib1, and completes cell 1 and small according to previously described configuration
The broadcast of the system message of area 11；The power of cell 1 is set, closes cell 2；
Step S300, measured terminal performs power-on operation, controls other test modules and measured terminal in test platform
The interacting message of arrowband Internet of Things registers kernel network flow is carried out, and measured terminal is drawn to login state；
Step S400, test platform and system simulator is controlled to send the signaling of authentication request；
Step S500, test platform and system simulator is controlled to receive the Authentication Response signaling that measured terminal is sent, hair
The signaling for sending authentication to refuse, and discharge rrc layer link；
Step S600, control test platform to start timer, and monitor whether in timer opening time section to receive by
The connection request that terminal is sent is surveyed, if so, then judge to think that the measured terminal does not possess complete correct authentication functions, if
No, then subsequent step is continued executing with；
Step S700, test platform and system simulator is controlled to send beep-page message to measured terminal, the message carries
Correctly to should measured terminal ID, and monitor whether in certain period of time to receive the page response of measured terminal transmission,
If so, then judge to think that the measured terminal does not possess complete correct authentication functions, if it is not, continuing executing with follow-up step
Suddenly；
Step S800, test platform is controlled to send the AT orders of prompting shutdown, the shutdown of order measured terminal, then control is surveyed
The AT orders that platform sends prompting start are tried, the operation of order measured terminal start, make measured terminal from abnormality before
Recover normal；
Step S900, test platform and system simulator is controlled to carry out arrowband Internet of Things registers kernel network with measured terminal
The interacting message of flow, and measured terminal is drawn to login state；
Step S1000, control test platform to call the function of authentication parameter initialization, initialize what one group of sequence number failed
Abnormal authentication vector, and Control system simulation device sends the authentication request signaling with the authentication vector to measured terminal；
Step S1100, test platform and system simulator are controlled, receives the failed authentication signaling from measured terminal, and
The information that corresponding Fail Type whether is carried in the signaling is detected, if information matches, subsequent step is continued executing with, if information
Mismatch, then it is assumed that the measured terminal does not possess complete correctly arrowband Internet of Things authentication functions；
Step S1200, test platform is controlled, updates authentication random number, and calls authentication initiation parameter, initializes one group
Correct authentication vector, and a desired Authentication Response is calculated, and Control system simulation device one band of transmission has the mirror
The authentication request signaling of weight vector；
Step S1300, test platform and system simulator is controlled to receive measured terminal and send Authentication Response signaling.Detection
Whether Authentication Response parameter is consistent with the desired value that test platform calculates in the signaling, if met, continues to hold
Row subsequent step, if information is wrong, then it is assumed that the measured terminal does not possess complete correctly arrowband Internet of Things authentication functions；
Step S1400, test platform is controlled to call the function of authentication parameter initialization.Initializing one group of authentication management field is
0 abnormal authentication vector, subsequent Control system simulation device, the authentication request with the authentication vector is sent to measured terminal
Signaling；
Step S1500, test platform and system simulator are controlled, receives the failed authentication signaling from measured terminal, and
The reason for whether carrying " non-EPS authentications refusal receives " is detected in the signaling.If information matches, follow-up step is continued executing with
Suddenly, if information mismatches, then it is assumed that the measured terminal does not possess complete correctly arrowband Internet of Things authentication functions；
Step S1600, test platform and system simulator are controlled, an identity request signaling is sent to measured terminal, please
Seek the IMSI of measured terminal；
Step S1700, test platform and system simulator are controlled, receives the identity response sent from measured terminal, inspection
Survey and measured terminal IMSI whether is contained in the response, if so, subsequent step is then continued executing with, if the discriminating test without if
Example is abnormal；
Step S1800, test platform is controlled, updates authentication random number, and calls authentication initiation parameter, initializes one group
Correct authentication vector, and a desired Authentication Response is calculated, and sending a band has the authentication of the authentication vector please
Seek signaling；
Step S1900, test platform and system simulator is controlled to receive measured terminal and send Authentication Response signaling.Detection
Whether Authentication Response parameter is consistent with the desired value that test platform calculates in the signaling.If met, after continuing executing with
Continuous step, if information is wrong, then it is assumed that the measured terminal does not possess complete correctly arrowband Internet of Things authentication functions；
Step S2000, control test platform to call the function of authentication parameter initialization, and initialize one group of message authentication code
The abnormal authentication vector of mistake, subsequent Control system simulation device, authentication request signaling is sent to measured terminal, and described in carrying
Authentication vector；
Step S2100, test platform and system simulator are controlled, receives the failed authentication signaling from measured terminal, and
The information for whether carrying and matching in the signaling is detected, if information matches, continues executing with subsequent step, if information is not
Match somebody with somebody, then it is assumed that the measured terminal does not possess complete correctly arrowband Internet of Things authentication functions；
Step S2200, measured terminal opening timing device T3418, and control tested platform to open adding based on T3418
The timer of reasonable amount of redundancy is added, and has waited the timer expiry, after T3418 timer expiries, measured terminal will be considered to
Current serving cell is prohibited；
Step S2300, test platform and system simulator is controlled to send beep-page message to measured terminal.The message carries
Correctly to should measured terminal ID, and the paging for monitoring whether in certain time length to receive measured terminal transmission rings
Should, if so, then judging to think that the measured terminal does not possess complete correct authentication functions, if it is not, after continuing executing with
Continuous step；
Step S2400, control tested platform and system simulator that the power of cell 1 and cell 2 is set；
Step S2500, tested platform prompting shutdown command is controlled, measured terminal performs power-off operation, while controls tested
Platform and system simulator carry out the Signalling exchange of shutdown process with measured terminal, and final test terminates.
By the method and system of the present invention, arrowband Internet of Things (NB-IoT) terminal Non-Access Stratum NAS layers can be designed
Test module interface and function, and corresponding testing process is designed, to improve existing testing protocol consistency demand, and it is used for
Be directed to NB-IOT research and development, test and networking certification work in the future, ensure by the business terminal of certification in existing network with can
Interconnected between the network equipment of different vendor.
Brief description of the drawings
By the description to the embodiment of the present invention referring to the drawings, above-mentioned and other purpose of the invention, feature and
Advantage will be apparent from, in the accompanying drawings：
Fig. 1 is the schematic diagram of the test system of inventive embodiments；
Fig. 2 is the NAS simulator schematic diagrames of the embodiment of the present invention；
Fig. 3-Fig. 6 is the method for testing flow chart of the embodiment of the present invention；
Embodiment
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.Under
It is detailed to describe some specific detail sections in the literary detailed description to the present invention.Do not have for a person skilled in the art
The description of these detail sections can also understand the present invention completely.In order to avoid obscuring the essence of the present invention, known method, mistake
The not narration in detail of journey, flow, element and circuit.
Unless the context clearly requires otherwise, otherwise entire disclosure is similar with the " comprising " in claims, "comprising" etc.
Word should be construed to the implication included rather than exclusive or exhaustive implication；That is, it is containing for " including but is not limited to "
Justice.
In the description of the invention, it is to be understood that term " first ", " second " etc. are only used for describing purpose, without
It is understood that to indicate or implying relative importance.In addition, in the description of the invention, unless otherwise indicated, the implication of " multiple "
It is two or more.
Fig. 1 is the schematic diagram of the test system of the embodiment of the present invention.As shown in figure 1, the test system includes host computer
Machine Host-PC, system simulator SS and tested user equipment (UE).
Wherein, master computer Host-PC carries TTCN3 codes, the compiled code needed for TTCN-3 operations is produced, for controlling
System simulator SS processed performs testing process.The test model of NB-IOT terminal NAS layers test is by host computer, system simulator
(SS), measured terminal forms.Wherein master computer Host-PC is the control centre of test system, contains test case, NB-IOT
System module and Non-Access Stratum NAS simulators and external function module.System simulator (SS) then provides wireless access control
The functions such as system, simulate RLC in NB-IOT Radio Communication protocol stacks (Radio Link Control, wireless spread-spectrum technology)
Layer, MAC (Media Access Control, media access control) layer, physical layer and radio-frequency part are graded main functional modules.It is logical
Cross radio frequency line measured terminal UE is connected with system simulator SS, performed by master computer Host-PC and survey corresponding test case, it is complete
The test of paired measured terminal.
NAS security functions control module and RRC/NAS message coding/decoding modules, wherein NAS peaces are contained in NAS simulators
The control information primitive type of NAS security information defined in full control module, contains integrity protection information, encipherment protection
The information whether information, NAS count value informations, carrying id information and security function open；In RRC/NAS coding/decoding modules
In, the independent descending NAS message template of NB-IOT third layer is defined, and define reception and the hair of up-downgoing NAS message
Send mechanism.
NAS security function external functions module includes NAS integrity protection correlation function, NAS encipherment protection correlation functions
Correlation function being decrypted with NAS, the calling of respective external power function is carried out during for handling up-downgoing NAS message.
Meanwhile the reception of main definitions up-downgoing NAS message and hair in the NAS simulator RRC/NAS coding/decoding modules
Send mechanism.First defines a test case to the optional step of reception of the ASP primitive of SRB interfaces, whenever the optional step have received
The RRC primitive that test case is sent, it will determine that whether include NAS message, if there is NAS message, then NAS message will be compiled
Code, and be transmitted after encrypting (if desired) and integrity protection.Second defines a SRB interface to the ASP of test case
The optional step that primitive receives, whenever the optional step have received the RRC primitive from SRB interfaces, it will determine that whether disappear comprising NAS
Breath, (if desired) will then be decrypted to the NAS message if there is NAS message and conciliate integrity protection, finally decode simultaneously
It is sent to test case.3rd, the power function of the coding and decoding of NAS message is defined, for being carried out to up-downgoing NAS message
Decoding/encoding.
Fig. 2 is the schematic diagram of the NAS simulators of the embodiment of the present invention.Wherein, in the present invention, first in master computer
NB-IOT NAS control interface NAS ctrl, control are set in the Non-Access Stratum NAS simulators in Host-PC TTCN-3 modules
Interface processed interacts for NB-IOT system modules with the control information of NAS simulators.The message that the control interface is sent is NAS
Control data message, the message of reception control confirmation message for NAS.
Wherein, the NAS control datas message is divided into common and request two parts, and common parts indicate core
Whether heart net security function part needs bottom to reply confirmation message when sending current NAS control data message；request
Part then indicate core net security function part transmission NAS control data message particular content, including core net for
Current NAS functions open/restarting/instruction discharged, and core net counts nas count numerical value for current Non-Access Stratum
The instruction of reading/setting.
In addition, being also provided with carrying out the interface NB-SRB Port of SRB Signalling exchanges with NB-IOT modules, the interface is used for
Up-downgoing message that is to be sent or having received is transmitted, is the coffret of NB-IOT system modules and NAS simulator physical signalings.
Wherein, into the NAS simulators it is request message that message is NB-IOT, the type of request message is defined as public portion
Divide and signaling moiety, the common portion include ID, SRB of serving cell routing iinformation, the temporal information of transmission, the letter
Order part then contains descending RRC information and NAS message.
In addition, the type for the NAS message transmitted between test case and system simulator is also defined in a test system.Its
In, request be test case send descending NAS message, descending safeguard protection information and downstream message comprising the message
PDU, the descending safeguard protection information include security header and message authentication code indicating bit, and the downstream message PDU includes one again
The descending NAS message of bar and an optional incidentally NAS message list, in messaging list can comprising one or more it is descending
NAS message.Indication is the up NAS message that test case receives, the up safeguard protection information comprising the message and upper
Row message PDU, the up safeguard protection information include security header and NAS count, the upstream message PDU and include one again
Up NAS message and an optional up incidentally NAS message list, in messaging list can comprising one or more it is up
NAS message.
The interface SRB port of NAS simulators and system simulator are also defined, the interface is used to send and receive NB-
The RRC PDU, the RRC PDU of IOT systems request message include descending RRC information, and instruction message package is containing up RRC
Message.
In addition, additionally providing the primitive structure of communication information, the code for test function is realized, such as definition safety ginseng
Several types, the security parameter include：Cipher key derivative algorithm, Ciphering Key Sequence Number, intersystem handover Ciphering Key Sequence Number, non-connect
Enter the root key of layer, the root key of Access Layer, the integrity protection relevant information of NAS layers, UE security capability information and authentication
Relevant parameter etc..
According to test case needs, the type set of authentication abnormal conditions is also defined, including, without mistake, message authentication
Code mistake, sequence number failure, message authentication code add interval bit-errors, interval bit-errors.
Meanwhile the related NAS message template of authentication is defined, send and receive matching for message.Authentication request is
One descending NAS message, security header, type of message protocol, message particular type, the NAS that the message content includes message are safe
The KSI of context, random number, authentication-tokens etc..Authentication refusal is a descending NAS message, and the message content includes message
Security header, type of message protocol, message particular type etc..Authentication Response is a up NAS message, and the message content, which includes, to disappear
The security header of breath, type of message protocol, message particular type, authentication relevant parameter etc..Failed authentication is that a up NAS disappears
Breath, security header of the message package containing message, type of message protocol, message particular type, EMM reasons, failed authentication parameter etc..
Finally, according to analog core net system and the needs of test, the function that authentication parameter initializes, the function are established
For required authentication parameter to be calculated and generated in NBIOT systems, specifically comprising random number (random value), encryption
Key (CK), tegrity protection key (IK), authentication-tokens (AUTN), expected response (XRES), access layer-management key
(Kasme) etc..
The method of testing flow chart of Fig. 3-Fig. 6 embodiment of the present invention.In the present invention, NB-IOT terminals NAS safe modes
The uniformity test flow of function is as follows：
Step S100, test platform is pre-set, initializes a NB-IOT system；
Step S200, Control system simulation device sets cell parameter, establishes cell 1 and cell 2, sets same frequency gravity treatment to join
Number, broadcast allows co-frequency cell gravity treatment in system broadcast message sib1, and completes cell 1 and small according to previously described configuration
The broadcast of the system message of area 11；The power (in the present embodiment, power setting is -85db) of cell 1 is set, closes cell 2；
Step S300, measured terminal performs power-on operation, controls other test modules and measured terminal in test platform
The interacting message of NB-IOT registers kernel network flows is carried out, and measured terminal is drawn to login state (connected state)；
Step S400, test platform and system simulator is controlled to send the signaling of authentication request；
Step S500, test platform and system simulator is controlled to receive the Authentication Response signaling that measured terminal is sent, hair
The signaling for sending authentication to refuse, and discharge rrc layer link；
In this step, measured terminal should enter exit state and delete the unique interim UE marks in the whole world stored
GUTI, position area list and Ciphering Key Sequence Number idKSI etc., and think all the time before being turned back in next time usim card it is illegal or by
Remove.Next step is used to detect the state.
Step S600, test platform is controlled to start timer (timer length is arranged to 30 seconds in the present embodiment), and
Monitor whether to receive the connection request that measured terminal is sent in timer opening time section, if so, then judging to think the quilt
Survey terminal and do not possess complete correct authentication functions, if it is not, continuing executing with subsequent step；
Step S700, test platform and system simulator is controlled to send beep-page message to measured terminal, the message carries
Correctly to should measured terminal ID, and (be arranged to 30 seconds) monitor whether to receive in the present embodiment in certain period of time
The page response that measured terminal is sent, if so, then judging to think that the measured terminal does not possess complete correct authentication functions, such as
Fruit does not have, then continues executing with subsequent step；
Step S800, test platform is controlled to send the AT orders of prompting shutdown, the shutdown of order measured terminal, then control is surveyed
The AT orders that platform sends prompting start are tried, the operation of order measured terminal start, make measured terminal from abnormality before
Recover normal；；
Step S900, test platform and system simulator is controlled to carry out NB-IOT registers kernel network flows with measured terminal
Interacting message, and measured terminal is drawn to login state (connected state)；
Step S1000, control test platform to call the function of authentication parameter initialization, initialize what one group of sequence number failed
Abnormal authentication vector, and Control system simulation device sends the authentication request signaling with the authentication vector to measured terminal；
Step S1100, test platform and system simulator are controlled, receives the failed authentication signaling from measured terminal, and
Detect and corresponding Fail Type whether is carried in the signaling " synch failure " information, if information matches, continue executing with
Subsequent step, if information mismatches, then it is assumed that the measured terminal does not possess complete correctly NB-IOT authentication functions；
Step S1200, test platform is controlled, updates authentication random number, and calls authentication initiation parameter, initializes one group
Correct authentication vector, and a desired Authentication Response is calculated, and Control system simulation device one band of transmission has the mirror
The authentication request signaling of weight vector；
Step S1300, test platform and system simulator is controlled to receive measured terminal and send Authentication Response signaling.Detection
Whether Authentication Response parameter is consistent with the desired value that test platform calculates in the signaling, if met, continues to hold
Row subsequent step, if information is wrong, then it is assumed that the measured terminal does not possess complete correctly NB-IOT authentication functions；
Step S1400, test platform is controlled to call the function of authentication parameter initialization.Initialize one group of authentication management field
AMF field be 0 abnormal authentication vector, subsequent Control system simulation device, to measured terminal send with it is described authenticate to
The authentication request signaling of amount；
Step S1500, test platform and system simulator are controlled, receives the failed authentication signaling from measured terminal, and
The reason for whether carrying " non-EPS authentications refusal receives " is detected in the signaling.If information matches, follow-up step is continued executing with
Suddenly, if information mismatches, then it is assumed that the measured terminal does not possess complete correctly NB-IOT authentication functions；
Step S1600, test platform and system simulator are controlled, an identity request signaling is sent to measured terminal, please
Seek the IMSI of measured terminal；
Step S1700, test platform and system simulator are controlled, receives the identity response sent from measured terminal, inspection
Survey and measured terminal IMSI whether is contained in the response, if so, subsequent step is then continued executing with, if the discriminating test without if
Example is abnormal；
Step S1800, test platform is controlled, updates authentication random number, and calls authentication initiation parameter, initializes one group
Correct authentication vector, and a desired Authentication Response is calculated, and sending a band has the authentication of the authentication vector please
Seek signaling；
Step S1900, test platform and system simulator is controlled to receive measured terminal and send Authentication Response signaling.Detection
Whether Authentication Response parameter (RES) is consistent with the desired value that test platform calculates in the signaling.If met, continue to hold
Row subsequent step, if information is wrong, then it is assumed that the measured terminal does not possess complete correctly NB-IOT authentication functions.
Step S2000, control test platform to call the function of authentication parameter initialization, and initialize one group of message authentication code
Mistake MAC error abnormal authentication vector, subsequent Control system simulation device, authentication request signaling is sent to measured terminal,
And carry the authentication vector；
Step S2100, test platform and system simulator are controlled, receives the failed authentication signaling from measured terminal, and
Detect information " the MAC failure " for whether carrying and matching in the signaling.If information matches, follow-up step is continued executing with
Suddenly, if information mismatches, then it is assumed that the measured terminal does not possess complete correctly NB-IOT authentication functions；
Step S2200, measured terminal opening timing device T3418, and control tested platform to open adding based on T3418
The timer of reasonable amount of redundancy is added, and has waited the timer expiry, after T3418 timer expiries, measured terminal will be considered to
Current serving cell (cell 1) is prohibited；
Step S2300, test platform and system simulator is controlled to send beep-page message to measured terminal.The message carries
Correctly to should measured terminal ID, and in certain time length (the present embodiment be 30 seconds) monitor whether to receive it is tested eventually
Hold the page response (RRC connection request) sent.If so, then judge to think that the measured terminal does not possess complete correctly authentication
Function, if it is not, continuing executing with subsequent step；
Step S2400, it is suitable adjacent area (- 91db) to control tested platform and system simulator to set the power of cell 1,
The power for setting cell 2 is good (- 85db)；
Now, measured terminal should detect not forbidden cell 2, and be flowed to the initiating updating of tracking area of cell 2 (TAU)
Journey, while control tested platform and system simulator to carry out interacting for TAU signalings with measured terminal；
Step S2500, tested platform prompting shutdown command is controlled, measured terminal performs power-off operation, while controls tested
Platform and system simulator carry out the Signalling exchange of shutdown process with measured terminal, and final test example terminates.
Now discriminating test passes through, it is believed that measured terminal has complete correctly NB-IOT authentication functions.
Thus, the present invention designs and Implements the device of NAS simulator functions, including the design of NAS simulator interfaces, correlation disappear
Cease stencil design, correlation function design etc..And provide a kind of method of NB-IOT terminal authentications consistency testing system.Can be with
For the testing protocol consistency for supporting NB-IOT terminal to network, perfect testing protocol consistency and function and interior
Hold, compensate for blank of the current NB-IOT testing protocol consistencies shortage to security test.
Obviously, it will be understood by those skilled in the art that above-mentioned each module of the invention or each step can be with general
Computing device realizes that they can be concentrated on single computing device, or be distributed in the net that multiple computing devices are formed
On network, alternatively, they can be realized with the program code that computer installation can perform, and be deposited so as to be stored in
Performed in storage device by computing device, they are either fabricated to each integrated circuit modules respectively or by them
Multiple modules or step are fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware
With the combination of software.One of ordinary skill in the art will appreciate that all or part of flow in above-described embodiment method is realized,
It is that by computer program the hardware of correlation can be instructed to complete, described program can be stored in a computer-readable medium
In, the program is upon execution, it may include the flow of the embodiment of each method as described above.Wherein, described storage medium can be
Magnetic disc, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for those skilled in the art
For, the present invention can have various changes and change.All any modifications made within spirit and principles of the present invention, it is equal
Replace, improve etc., it should be included in the scope of the protection.
Claims (9)
1. a kind of arrowband internet-of-things terminal Non-Access Stratum authentication functions consistency testing system, including：
Terminal to be tested, system simulator, and master computer, wherein, the master computer is the control centre of test system,
Contain test case, arrowband Internet of things system module and Non-Access Stratum NAS simulators and external function module；System simulator
For providing radio access control function, and simulate wireless spread-spectrum technology RLC in arrowband Internet of things system wireless communication protocol stack,
Media access control MAC layer, physical layer and radio frequency part main functional modules；The measured terminal leads to the system simulator
Radio frequency is crossed to be connected；
It is provided with the Non-Access Stratum NAS simulators：NAS control interfaces, for arrowband Internet of things system module and the NAS
The control information interaction of simulator；The interface of SRB Signalling exchanges is carried out with protenchyma networking module, the interface is pending for transmitting
The up-downgoing message sent or received；
The system also includes the interface of the NAS simulators and the system simulator, for sending and receiving arrowband Internet of Things
The radio resource control layer protocol Data Unit of net system；
The type for the NAS message transmitted between test case and system simulator includes descending NAS message and up NAS message, institute
Descending NAS message is stated, descending safeguard protection information and downstream message protocol Data Unit comprising the message, the descending safety
Protection information includes security header and message authentication code indicating bit, and the downstream message PDU includes a descending NAS message and one again
Individual optional incidentally NAS message list, one or more descending NAS message can be included in messaging list；Up NAS message
Comprising up safeguard protection information and upstream message protocol Data Unit, the up safeguard protection information includes security header and meter
Number device NAS count, the upstream message protocol Data Unit are sent comprising a up NAS message and one are optionally up again
With NAS message list, one or more up NAS message can be included in messaging list；
Also include authentication request, authentication refusal, the Authentication Response NAS message related to failed authentication authentication in the test system
Template, matching is sent and received for message；
Also include the function of authentication parameter initialization in the test system.
2. according to the method for claim 1, it is characterised in that the NAS control interfaces are used for arrowband Internet of things system mould
Block interacts with the control information of the NAS simulators, and the message that the control interface is sent is NAS control data message, receives
Message for NAS control confirmation message.
3. according to the method for claim 2, it is characterised in that the NAS control datas message be divided into common and
Request two parts, common parts indicate core net security function part when sending current NAS control data message
Bottom whether is needed to reply confirmation message；The NAS controls that request parts then indicate the transmission of core net security function part please
Seek the particular content of message, including core net opens/restarting/instruction discharged for current NAS functions, and core net for
Current Non-Access Stratum counts the instruction of reading/setting of nas count numerical value.
4. according to the method for claim 1, it is characterised in that described to carry out SRB Signalling exchanges with protenchyma networking module
Interface, the interface be used for transmit up-downgoing message that is to be sent or having received, wherein, what it is into the NAS simulators is to disappear
Cease and be defined as common portion and signaling moiety, the public portion for the request message of arrowband Internet of Things, the type of request message
Subpackage ID, SRB containing serving cell routing iinformation, the temporal information sent, the signaling moiety then contain descending RRC
Message and NAS message.
5. according to the method for claim 1, it is characterised in that the interface of the NAS simulators and the system simulator,
For sending and receiving the radio resource control layer protocol Data Unit of arrowband Internet of things system, the radio resource control layer association
The request message of view data cell includes descending radio resource control layer message, and instruction message package is containing up Radio Resource control
Preparative layer message.
6. according to the method for claim 1, it is characterised in that the authentication request is a descending NAS message, the message
Security header of the content comprising message, type of message protocol, message particular type, the KSI of NAS safe contexts, random number, authentication
Token；The authentication refusal is a descending NAS message, security header of the message content comprising message, type of message protocol, is disappeared
Cease particular type；Authentication Response is a up NAS message, the message content include the security header of message, type of message protocol,
Message particular type, authentication relevant parameter；The failed authentication is a up NAS message, safety of the message package containing message
Head, type of message protocol, message particular type, EMM reasons, failed authentication parameter.
7. according to the method for claim 1, it is characterised in that the function of the authentication parameter initialization is used in NBIOT
Calculated in system and generate required authentication parameter, it is specifically complete comprising random number (random value), encryption key (CK)
Whole property protection key (IK), authentication-tokens (AUTN), expected response (XRES), access layer-management key (Kasme).
8. according to the method for claim 1, it is characterised in that it is complete that the NAS security functions external function module includes NAS
Whole property protection correlation function, NAS encipherment protections correlation function and NAS decryption correlation functions, during for handling up-downgoing NAS message
Carry out the calling of respective external power function.
9. a kind of conformance test method of arrowband internet-of-things terminal NAS security mode functions, flow are as follows：
Step S100, test platform is pre-set, initializes an arrowband Internet of things system；
Step S200, Control system simulation device sets cell parameter, establishes cell 1 and cell 2, sets same frequency reselecting parameters,
Broadcast allows co-frequency cell gravity treatment in system broadcast message sib1, and completes cell 1 and cell 11 according to previously described configuration
The broadcast of system message；The power of cell 1 is set, closes cell 2；
Step S300, measured terminal performs power-on operation, controls other test modules in test platform to be carried out with measured terminal
The interacting message of arrowband Internet of Things registers kernel network flow, and measured terminal is drawn to login state；
Step S400, test platform and system simulator is controlled to send the signaling of authentication request；
Step S500, control test platform and system simulator to receive the Authentication Response signaling that measured terminal is sent, send mirror
The signaling of refusal is weighed, and discharges rrc layer link；
Step S600, control test platform to start timer, and monitor whether to receive in timer opening time section and be tested eventually
The connection request sent is held, if so, then judging to think that the measured terminal does not possess complete correct authentication functions, if do not had
Have, then continue executing with subsequent step；
Step S700, test platform and system simulator is controlled to send beep-page message to measured terminal, the message carries correct
To should measured terminal ID, and monitor whether in certain period of time to receive the page response of measured terminal transmission, if
Have, then judge to think that the measured terminal does not possess complete correct authentication functions, if it is not, continuing executing with subsequent step；
Step S800, test platform is controlled to send the AT orders of prompting shutdown, the shutdown of order measured terminal, then control test is flat
Platform sends the AT orders of prompting start, the operation of order measured terminal start, measured terminal is recovered from abnormality before
Normally；
Step S900, test platform and system simulator is controlled to carry out arrowband Internet of Things registers kernel network flow with measured terminal
Interacting message, and measured terminal is drawn to login state；
Step S1000, control test platform to call the function of authentication parameter initialization, initialize the exception of one group of sequence number failure
Authentication vector, and Control system simulation device to measured terminal send with the authentication vector authentication request signaling；
Step S1100, test platform and system simulator are controlled, receives the failed authentication signaling from measured terminal, and detect
The information of corresponding Fail Type whether is carried in the signaling, if information matches, continues executing with subsequent step, if information is not
Match somebody with somebody, then it is assumed that the measured terminal does not possess complete correctly arrowband Internet of Things authentication functions；
Step S1200, test platform is controlled, updates authentication random number, and calls authentication initiation parameter, one group of initialization is correct
Authentication vector, and calculate a desired Authentication Response, and Control system simulation device send a band have it is described authenticate to
The authentication request signaling of amount；
Step S1300, test platform and system simulator is controlled to receive measured terminal and send Authentication Response signaling；Detect the letter
Whether Authentication Response parameter is consistent with the desired value that test platform calculates in order, if met, after continuing executing with
Continuous step, if information is wrong, then it is assumed that the measured terminal does not possess complete correctly arrowband Internet of Things authentication functions；
Step S1400, test platform is controlled to call the function of authentication parameter initialization；It is 0 to initialize one group of authentication management field
Abnormal authentication vector, subsequent Control system simulation device, send the authentication request with the authentication vector to measured terminal and believe
Order；
Step S1500, test platform and system simulator are controlled, receives the failed authentication signaling from measured terminal, and detect
The reason for " non-EPS authentications refusal receives " whether is carried in the signaling；If information matches, continuing executing with subsequent step, if
Information mismatches, then it is assumed that the measured terminal does not possess complete correctly arrowband Internet of Things authentication functions；
Step S1600, test platform and system simulator are controlled, an identity request signaling is sent to measured terminal, asks quilt
Survey the IMSI of terminal；
Step S1700, test platform and system simulator are controlled, receives the identity response sent from measured terminal, detection should
Measured terminal IMSI whether is contained in response, if so, then continue executing with subsequent step, if without if discriminating test example it is different
Often；
Step S1800, test platform is controlled, updates authentication random number, and calls authentication initiation parameter, one group of initialization is correct
Authentication vector, and calculate a desired Authentication Response, and the authentication request for sending a band and having the authentication vector is believed
Order；
Step S1900, test platform and system simulator is controlled to receive measured terminal and send Authentication Response signaling；Detect the letter
Whether Authentication Response parameter is consistent with the desired value that test platform calculates in order, if met, continues executing with follow-up step
Suddenly, if information is wrong, then it is assumed that the measured terminal does not possess complete correctly arrowband Internet of Things authentication functions；
Step S2000, control test platform to call the function of authentication parameter initialization, and initialize one group of message authentication code mistake
Abnormal authentication vector, subsequent Control system simulation device, send authentication request signaling to measured terminal, and carry the authentication
Vector；
Step S2100, test platform and system simulator are controlled, receives the failed authentication signaling from measured terminal, and detect
The information to match whether is carried in the signaling, if information matches, continues executing with subsequent step, if information mismatches,
Think that the measured terminal does not possess complete correctly arrowband Internet of Things authentication functions；
Step S2200, measured terminal opening timing device T3418, and control tested platform to open with the addition of based on T3418
The timer of reasonable amount of redundancy, and the timer expiry is waited, after T3418 timer expiries, measured terminal will be considered to currently
Serving cell be prohibited；
Step S2300, test platform and system simulator is controlled to send beep-page message to measured terminal；The message carries correct
To should measured terminal ID, and monitor whether in certain time length to receive the page response of measured terminal transmission, such as
Fruit has, then judges to think that the measured terminal does not possess complete correct authentication functions, if it is not, continuing executing with follow-up step
Suddenly；
Step S2400, control tested platform and system simulator that the power of cell 1 and cell 2 is set；
Step S2500, tested platform prompting shutdown command is controlled, measured terminal performs power-off operation, while controls tested platform
The Signalling exchange of shutdown process is carried out with system simulator and measured terminal, final test terminates.
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