CN109286930A - A kind of cellular mobile communications networks packet data network protection method - Google Patents
A kind of cellular mobile communications networks packet data network protection method Download PDFInfo
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- CN109286930A CN109286930A CN201811217649.3A CN201811217649A CN109286930A CN 109286930 A CN109286930 A CN 109286930A CN 201811217649 A CN201811217649 A CN 201811217649A CN 109286930 A CN109286930 A CN 109286930A
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- count value
- packet
- packet data
- mobile communications
- data network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
-
- 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]
Abstract
The present invention provides a kind of cellular mobile communications networks packet data network protection method, defines boundaries between cellular mobile communications networks and Packet Data Network；Security boundary is determined inside special-purpose terminal in cellular mobile communications networks；The count value and enhancing count value of Packet Data Network's convergence protocol data packet are obtained, the enhancing count value is a high position for the count value in logic, and after the count value reaches predetermined threshold, the enhancing count value increases predetermined value；According to the count value, the enhancing count value and safeguard protection key; safe handling is carried out to Packet Data Network's convergence protocol data packet of the upper transmitting; compared with network layer security protocols; Data Link Layer security protocol used in the present invention has the technical advantage that agreement is simple, realization is convenient, operation and protocol overhead are small; especially in information security field, it is more suitable for meeting high guarantee safety requirements.
Description
Technical field
The present invention is a kind of cellular mobile communications networks packet data network protection method, belongs to field of mobile communication.
Background technique
In the prior art, as cellular mobile communications networks are from the network centered on voice to data-centered network
Transition, cellular mobile communications networks constitute the physical layer and data link layer of computer network, and cellular mobile communications networks are no longer direct
Provide a user specific service.
User data is still transmitted using plaintext in the core net of mobile radio communication, and the terminal of cellular mobile communications networks identifies
It is not able to satisfy the requirement of high security level user with cryptoguard intensity.The equipment of especially cellular mobile communications networks does not all have
Assessed by high level safety assurance, the security functions of these equipment whether correctly realize there is no sufficiently reliable evidence into
Line justification.Therefore, for the dedicated computer network of high security level, no matter the security protocol of computer network network layers is relied on also
It is the safety requirements for not being able to satisfy user by the safety measure of mobile communications network.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of cellular mobile communications networks Packet Data Network guarantors
Maintaining method, to solve the problems mentioned in the above background technology.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of cellular mobile communications networks
Packet data network protection method, includes the following steps:
S1: it defines boundaries between cellular mobile communications networks and Packet Data Network；
S2: security boundary is determined inside the special-purpose terminal in cellular mobile communications networks；Obtain convergence association of Packet Data Network
The count value and enhancing count value of data packet are discussed, the enhancing count value is a high position for the count value in logic, in the meter
After numerical value reaches predetermined threshold, the enhancing count value increases predetermined value；It is counted according to the count value, the enhancing
Value and safeguard protection key carry out safe handling to Packet Data Network's convergence protocol data packet of the upper transmitting；
S3: security password service function is provided to special-purpose terminal and boundary protection gateway；
S4: according to the security password service function, cellular mobile communications networks point are completed by the boundary protection gateway
The boundary protection of group data network.
Further, flow statistical module, flow system are connected between the cellular mobile communications networks and Packet Data Network
Meter module is connected with the cellular mobile communications networks, for counting the flow between cellular mobile communications networks and Packet Data Network.
Further, the security password service function by the load identification that carries in data convergence protocol data packet,
Direction and message generate and send to receiving device, and the security password service function includes that the first air interface key and second are empty
Mouth key, when the count value of the corresponding Packet Data Network's convergence protocol data packet of the first air interface key reaches predetermined threshold, to
Relay node sends safe mode command or wireless heterogeneous networks reconfigure order, is used with triggering base station and the relay node
Second air interface key；Using second air interface key to the packet data transmitted upper between the base station and the relay node
Net convergence protocol data packet carries out safeguard protection.
Further, the boundary protection gateway generates submodule by key, for according to the count value, the increasing
Strong count value, safeguard protection key, load identification, direction and the length carried in the Packet Data Convergence Protocol data packet,
Generate encryption key stream or decruption key stream；Encryption and decryption handles submodule, for utilizing the encryption key stream, to upper transmitting
Packet Data Convergence Protocol data packet is encrypted；Alternatively, the grouping using the decruption key stream, to the upper transmitting
Data convergence protocol data packet is decrypted.
Further, the safeguard protection key is used for close according to the count value, the enhancing count value, safeguard protection
Load identification, direction and the message carried in key, the Packet Data Convergence Protocol data packet generates integrity protected message and recognizes
Demonstrate,prove code.
Beneficial effects of the present invention: a kind of cellular mobile communications networks packet data network protection method of the invention, compared to
The beneficial effect of the prior art, method provided by the invention is: compared with network layer security protocols, data-link used in the present invention
Layer security protocol has the technical advantage that agreement is simple, realization is convenient, operation and protocol overhead are small, especially leads in information security
Domain is more suitable for meeting high guarantee safety requirements.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
The present invention provides a kind of technical solution: a kind of cellular mobile communications networks packet data network protection method, including as follows
Step:
S1: it defines boundaries between cellular mobile communications networks and Packet Data Network；
S2: security boundary is determined inside the special-purpose terminal in cellular mobile communications networks；Obtain convergence association of Packet Data Network
The count value and enhancing count value of data packet are discussed, enhancing count value is a high position for count value in logic, reaches predetermined in count value
After threshold value, enhancing count value increases predetermined value；According to count value, enhancing count value and safeguard protection key, to upload
The Packet Data Network's convergence protocol data packet passed carries out safe handling；
S3: security password service function is provided to special-purpose terminal and boundary protection gateway；
S4: according to security password service function, cellular mobile communications networks Packet Data Network is completed by boundary protection gateway
Boundary protection.
Flow statistical module is connected between cellular mobile communications networks and Packet Data Network, flow statistical module and honeycomb move
Dynamic communication network is connected, for counting the flow between cellular mobile communications networks and Packet Data Network.
Security password service function is generated by load identification, direction and the message carried in data convergence protocol data packet
And be sent to receiving device, security password service function include the first air interface key and the second air interface key, first eat dishes without rice or wine it is close
When the count value of the corresponding Packet Data Network's convergence protocol data packet of key reaches predetermined threshold, safe mould is sent to relay node
Formula order or wireless heterogeneous networks reconfigure order, use the second air interface key to trigger base station and relay node；Utilize second
Air interface key carries out safeguard protection to the Packet Data Network's convergence protocol data packet transmitted upper between base station and relay node.
Boundary protection gateway generates submodule by key, for close according to count value, enhancing count value, safeguard protection
Load identification, direction and the length carried in key, Packet Data Convergence Protocol data packet generates encryption key stream or decruption key
Stream；Encryption and decryption handles submodule, for utilizing encryption key stream, adds to the Packet Data Convergence Protocol data packet of upper transmitting
Close processing；Alternatively, the Packet Data Convergence Protocol data packet of upper transmitting is decrypted using decruption key stream.
Safeguard protection key is used for according to count value, enhancing count value, safeguard protection key, Packet Data Convergence Protocol number
According to load identification, direction and the message carried in packet, integrity protected message's authentication code is generated.
Embodiment: it defines boundaries between cellular mobile communications networks and Packet Data Network；In cellular mobile communications networks
Special-purpose terminal inside determine security boundary；The count value and enhancing count value of Packet Data Network's convergence protocol data packet are obtained,
Enhancing count value is a high position for count value in logic, and after count value reaches predetermined threshold, enhancing count value increases predetermined
Numerical value；According to count value, enhancing count value and safeguard protection key, to Packet Data Network's convergence protocol data packet of upper transmitting into
Row safe handling；Security password service function is provided to special-purpose terminal and boundary protection gateway；According to security password service function,
The boundary protection of cellular mobile communications networks Packet Data Network is completed by boundary protection gateway；
Flow statistical module is connected between cellular mobile communications networks and Packet Data Network, flow statistical module and honeycomb move
Dynamic communication network is connected, and for counting the flow between cellular mobile communications networks and Packet Data Network, security password service function is logical
It crosses the load identification carried in data convergence protocol data packet, direction and message to generate and send to receiving device, safety is close
Code service function includes the first air interface key and the second air interface key, the corresponding Packet Data Network's convergence protocol of the first air interface key
When the count value of data packet reaches predetermined threshold, safe mode command is sent to relay node or wireless heterogeneous networks reconfigure
Order uses the second air interface key to trigger base station and relay node；Using the second air interface key to base station and relay node it
Between the upper Packet Data Network's convergence protocol data packet transmitted carry out safeguard protection, boundary protection gateway generates submodule by key
Block, for according to the carrying carried in count value, enhancing count value, safeguard protection key, Packet Data Convergence Protocol data packet
Mark, direction and length generate encryption key stream or decruption key stream；Encryption and decryption handles submodule, for utilizing encryption key
Stream, is encrypted the Packet Data Convergence Protocol data packet of upper transmitting；Alternatively, using decruption key stream, to upper transmitting
Packet Data Convergence Protocol data packet be decrypted, safeguard protection key be used for according to count value, enhancing count value, peace
Load identification, direction and the message carried in full guard key, Packet Data Convergence Protocol data packet generates integrity protection and disappears
Cease authentication code.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Claim should not be construed as limiting the claims involved.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of cellular mobile communications networks packet data network protection method, it is characterised in that include the following steps:
S1: it defines boundaries between cellular mobile communications networks and Packet Data Network；
S2: security boundary is determined inside the special-purpose terminal in cellular mobile communications networks；Obtain Packet Data Network's convergence protocol number
According to the count value and enhancing count value of packet, the enhancing count value is a high position for the count value in logic, in the count value
After reaching predetermined threshold, the enhancing count value increases predetermined value；According to the count value, the enhancing count value and
Safeguard protection key carries out safe handling to Packet Data Network's convergence protocol data packet of the upper transmitting；
S3: security password service function is provided to special-purpose terminal and boundary protection gateway；
S4: according to the security password service function, cellular mobile communications networks packet count is completed by the boundary protection gateway
According to the boundary protection of net.
2. a kind of cellular mobile communications networks packet data network protection method according to claim 1, it is characterised in that: described
Flow statistical module is connected between cellular mobile communications networks and Packet Data Network, flow statistical module and the honeycomb are mobile logical
Letter net is connected, for counting the flow between cellular mobile communications networks and Packet Data Network.
3. a kind of cellular mobile communications networks packet data network protection method according to claim 1, it is characterised in that: described
Security password service function by the load identification, direction and the message that carry in data convergence protocol data packet generate and send to
Receiving device, the security password service function include the first air interface key and the second air interface key, the first air interface key pair
When the count value for the Packet Data Network's convergence protocol data packet answered reaches predetermined threshold, safe mode life is sent to relay node
It enables or wireless heterogeneous networks reconfigures order, use the second air interface key to trigger base station and the relay node；Using described
Second air interface key carries out the Packet Data Network's convergence protocol data packet transmitted upper between the base station and the relay node
Safeguard protection.
4. boundary protection gateway according to claim 1, it is characterised in that: the boundary protection gateway is generated by key
Submodule, for according to the count value, the enhancing count value, safeguard protection key, the Packet Data Convergence Protocol number
According to load identification, direction and the length carried in packet, encryption key stream or decruption key stream are generated；Encryption and decryption handles submodule,
For utilizing the encryption key stream, the Packet Data Convergence Protocol data packet of upper transmitting is encrypted；Alternatively, utilizing
The Packet Data Convergence Protocol data packet of the upper transmitting is decrypted in the decruption key stream.
5. key according to claim 4 generates submodule, it is characterised in that: the safeguard protection key is used for according to institute
State count value, the enhancing count value, safeguard protection key, the carrying mark carried in the Packet Data Convergence Protocol data packet
Knowledge, direction and message generate integrity protected message's authentication code.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811217649.3A CN109286930A (en) | 2018-10-18 | 2018-10-18 | A kind of cellular mobile communications networks packet data network protection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811217649.3A CN109286930A (en) | 2018-10-18 | 2018-10-18 | A kind of cellular mobile communications networks packet data network protection method |
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| CN109286930A true CN109286930A (en) | 2019-01-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111757322A (en) * | 2020-06-19 | 2020-10-09 | 兴唐通信科技有限公司 | Cellular mobile communication network protection method and system with centralized base station password service |
| WO2022198671A1 (en) * | 2021-03-26 | 2022-09-29 | 华为技术有限公司 | Communication method and apparatus |
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| US6128327A (en) * | 1998-01-29 | 2000-10-03 | Ericsson Inc. | Frequency hopping |
| CN102404721A (en) * | 2010-09-10 | 2012-04-04 | 华为技术有限公司 | Safety protecting method of Un interface, device and base station |
| CN103957197A (en) * | 2014-04-15 | 2014-07-30 | 兴唐通信科技有限公司 | Method for protecting cellular mobile communication network and grouped data network |
| CN104636684A (en) * | 2014-12-15 | 2015-05-20 | 上海新储集成电路有限公司 | Monotonic counter and monotonic counting method |
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2018
- 2018-10-18 CN CN201811217649.3A patent/CN109286930A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6128327A (en) * | 1998-01-29 | 2000-10-03 | Ericsson Inc. | Frequency hopping |
| CN102404721A (en) * | 2010-09-10 | 2012-04-04 | 华为技术有限公司 | Safety protecting method of Un interface, device and base station |
| CN103957197A (en) * | 2014-04-15 | 2014-07-30 | 兴唐通信科技有限公司 | Method for protecting cellular mobile communication network and grouped data network |
| CN104636684A (en) * | 2014-12-15 | 2015-05-20 | 上海新储集成电路有限公司 | Monotonic counter and monotonic counting method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111757322A (en) * | 2020-06-19 | 2020-10-09 | 兴唐通信科技有限公司 | Cellular mobile communication network protection method and system with centralized base station password service |
| CN111757322B (en) * | 2020-06-19 | 2023-11-17 | 兴唐通信科技有限公司 | Cellular mobile communication network protection method and system for base station password service centralization |
| WO2022198671A1 (en) * | 2021-03-26 | 2022-09-29 | 华为技术有限公司 | Communication method and apparatus |
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Application publication date: 20190129 |