CN106571913A - Two-party authentication key negotiation method for power wireless private network - Google Patents
Two-party authentication key negotiation method for power wireless private network Download PDFInfo
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- CN106571913A CN106571913A CN201610971906.7A CN201610971906A CN106571913A CN 106571913 A CN106571913 A CN 106571913A CN 201610971906 A CN201610971906 A CN 201610971906A CN 106571913 A CN106571913 A CN 106571913A
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- 238000004891 communication Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 4
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- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0807—Network architectures or network communication protocols for network security for authentication of entities using tickets, e.g. Kerberos
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a two-party authentication key negotiation method for a power wireless private network. The method comprises the steps that a server generates the own private key and the public key and the private key of a terminal, and generates the identity identifier of the terminal according to the private key of the server and the public key of the terminal; the private key and the identity identifier of the terminal are sent to the terminal; and the terminal generates an authentication message according to the private key and the identity identifier. The safety is improved, and consumption calculation is saved.
Description
Technical field
The present invention relates to technical field of security authentication, and in particular to a kind of two side's certification keys towards electric power wireless private network
Machinery of consultation.
Background technology
As company intelligently matches somebody with somebody, advanced with the acceleration of power grid construction, terminal communication access network is entered during " 13 "
The all-round construction stage.Radio communication private network has short construction period, networking flexibility convenience, the low feature of cost of investment, in electric power
Optical fiber is difficult to carry out, or it is a kind of highly effective, efficiently settling mode to build the larger region of cost.At present, power train
System has carried out the Pilot project construction work of electric power wireless private network in multiple areas, wirelessly carries various electric power industry
Business, the beneficial support intelligent development of electrical network.And receive the safety of power system to protect demand and wireless communication transmissions to open
Property etc. factor affect, power business by radio bearer it has to be ensured that the safety of bearer network.
Encryption is the Main Means for ensureing open network communication security, and it can be such that user finds by insecure channels needs
The legal entity to be conversed.Because the opening of wireless transfer channel, information is ravesdropping, distorts, the probability of transmission ending is big
Increase greatly, or even both entities are pretended, while revealing privacy, the also stable operation to power system brings hidden danger.Realize
Encryption technology be ensure wirelessly transmitting data safety major way, and key then be encryption key parameter, the safety of encryption
The safety of key is relied primarily on, how in disclosed channel so that communication entity can realize key share, be into
Row key agreement is a problem of current key security study.
1976, the famous Diffie-Hellman agreements that Diffie and Hellman are proposed be first truly
Cryptographic key negotiation method, this agreement also due to introduce public-key cryptosystem and started new era of contemporary cryptology.But it is former
The Diffie-Hellman agreements of beginning are easily subject to man-in-the-middle attack due to not being authenticated to the identity of participant.For
This leak is made up, scholars propose authentication key agreement method.Authenticated key agreement can be made by enemy's hand-guided
The participant communicated in insecure network is while interim conversation key is set up, it is ensured that other realities in addition to legal participant
Body cannot all obtain any relevant information with regard to this session key.Being currently based on the key agreement scheme without certificate has a lot
Employ based on the encryption system of elliptic curve.Based on the cipher system of elliptic curve, under security performance same case, calculate
Complexity has substantial degradation than traditional rsa cryptosystem system.
There are many cryptographic key negotiation methods at present, these agreements are faced with some identical safety problems：Camouflage is attacked
Hit, man-in-the-middle attack, Replay Attack etc..The cryptographic key negotiation method of one safety, can resist the various attacks handss that presently, there are
Section, and can effectively be performed.
The content of the invention
In view of this, a kind of two side authenticated key agreement sides towards electric power wireless private network are embodiments provided
Method, to improve safety.
Embodiments provide a kind of two side's authentication key agreement methods towards electric power wireless private network, the electric power
Wireless private network includes terminal and server, it is characterised in that include：
The server generates the public and private key of the private key of itself and the terminal, and the private key according to the server and institute
The public key for stating terminal generates the identification identifier of the terminal；
The server sends the private key and identification identifier of the terminal to the terminal；
The terminal generates the first certification message according to its private key and identification identifier, and sends to the server；
The server generates the second certification message according to the public key of itself private key and the terminal, and judges described the
Whether two certification message are equal with the first certification message；
When judging whether the second certification message is equal with the first certification message, certification passes through.
Optionally, also include：
After certification success, the server generates the 3rd certification message and the first session key, and sends the described 3rd
Certification message is to the terminal；
The terminal generates the 4th certification message, and judge the 3rd certification message whether with the 4th certification message
It is equal；
When judging whether the 3rd certification message is equal with the 4th certification message, the terminal generates the second meeting
Words key；
The terminal and the server are conversated with first session key and the second session key.
Two side's authentication key agreement methods towards electric power wireless private network that the embodiment of the present invention is provided, by server
The terminal identity identifier that end generates, can be reasonably resistant to spoof attack, so as to improve safety；On the other hand, the body
Part identifier also simplify authenticating step, save calculation consumption.
Description of the drawings
The features and advantages of the present invention can be more clearly understood from by reference to accompanying drawing, accompanying drawing is schematic and should not manage
Solution is to carry out any restriction to the present invention, in the accompanying drawings：
Fig. 1 shows the stream of two side's authentication key agreement methods towards electric power wireless private network according to embodiments of the present invention
Cheng Tu.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, those skilled in the art are not having
Have and make the every other embodiment obtained under the premise of creative work, belong to the scope of protection of the invention.
As shown in figure 1, embodiments providing a kind of two side authenticated key agreement sides towards electric power wireless private network
Method, the electric power wireless private network includes terminal and server, and specifically, the terminal can include power distribution station terminal or user's intelligence
Measuring equipment (Advanced Metering Infrastructure, AMI), the server includes encryption server
(Encryption Server, ES), the method includes：
S1. the server generates the public and private key of the private key of itself and the terminal, and the private key according to the server and the end
The public key at end generates the identification identifier of the terminal；
S2. the server sends the private key and identification identifier of the terminal to the terminal；
S3. the terminal generates the first certification message according to its private key and identification identifier, and sends to the server；
S4. the server generates the second certification message according to the public key of the private key of itself and the terminal, and judge this second
Whether certification message is equal with the first certification message；
S5. when judging whether the second certification message is equal with the first certification message, certification passes through.
Two side's authentication key agreement methods towards electric power wireless private network of the embodiment of the present invention, are generated by server end
Terminal identity identifier, spoof attack can be reasonably resistant to, so as to improve safety；On the other hand, the identity
Symbol also simplify authenticating step, save calculation consumption.
Optionally, also include：
After certification success, the server generates the 3rd certification message and the first session key, and sends the 3rd certification
Message is to the terminal；
The terminal generates the 4th certification message, and judges whether the 3rd certification message is equal with the 4th certification message；
When judging whether the 3rd certification message is equal with the 4th certification message, it is close that the terminal generates the second session
Key；
The terminal and the server are conversated with first session key and the second session key.
The embodiment of the present invention is further illustrated below by way of a specific example.
Step one (system initialization)：Based on the theory of elliptic curve, server S is first in a finite field FqUpper selection
One elliptic curve E (a, b)
y2=x3+ax+b (1)
Wherein a ∈ Fq,b∈Fq, and meet 4a3+27b2≠0.Meanwhile, the basic point P of server selection elliptic curve, three
Individual Hash abstract functions：
H0(·),H1(·),H2(·) (2)
Then some other parameters are calculated：The public private key pair d of server itselfS/QS；The public private key pair d of userA/QA.Clothes
Device S is by d for businessSSafely preserve as the master key of oneself, and open other specification：
Params={ E/Fq,P,H1(·),H2(·),QS,QA} (3)
Step 2 (user registration course)：User A to server send communication request, server receive request after,
Do following work：S is user's generating portion private key first
dA=dSQAP (4)
Then, S is calculating the identification identifier H of userA
HA=(dSQA+1)P (5)
After above-mentioned work is completed, S is by { dA,HAA is sent to by safe lane, A just completes registration process.
Step 3 (authenti-cated key agreement process)：
1) user A produces first a random number, as the private key of a session, is then calculated as follows parameter：
RA=rAP (6)
AC=rAdA (7)
AUA=rAHA (8)
Using above parameter as input, One-way Hash function H is input to1In, message digest value can be obtained：
AuthAS=H1(AC,IDA,RA,AUA,T1) (9)
Wherein IDAIt is the identity of user A, T1It is current timestamp, the available time of message can be characterized.Complete
After above step, with user orientation server message is sent：
{AuthAS,IDA,RA,T1} (10)
2) after server receives message, first according to T1The available time of checking message, and can obtain in message
Identity ID of userA, afterwards by One-way Hash function H0To calculate：
QA=H0(IDA) (11)
Subsequently, using the main private key d of oneselfSIt is calculated as below：
AC'=dSRAQA (12)
After being calculated AC', S equally can be obtained：
ASA=AC'+RA (13)
Afterwards, S is by calculating Auth'ASTo verify that A sends out the correctness of message, then：
Auth'AS=H1(AC',IDA,RA,ASA,T1) (14)
S judges Auth'ASWith AuthASWhether equal, if result is equal, S completes the checking to user A.Meeting after S
Certification message { the Auth of oneself is sent to ASA,T2, wherein：
AuthSA=H1(AC',IDA,RA,T2) (15)
T2Represent the current timestamp of server.Meanwhile, S calculates the key of communication session：
KS=H2(AC',IDA,ASA,T2) (16)
3) user A is received after the certification message of server, first determines whether T2Effectiveness, then by calculate
Auth'SATo judge AuthSACorrectness, then：
Auth'SA=H1(AC,IDA,RA,T2) (17)
If judged result is set up, A completes the certification to server S.A will calculate the close of following communication session
Key：
KA=H2(AC,IDA,AUA,T2) (18)
So, A and S just can set up the key of communication session by this cryptographic key negotiation method, and this agreement can be supported
Resist various security attacks, it is ensured that the safety of session key agreement.
Some symbolic interpretations in above-mentioned steps are as follows：
1) elliptic curve E (a, b)：Definitional equation is y2=x3+ ax+b, wherein a ∈ Fq,b∈Fq, and 4a3+27b2≠
0。
2)Fq：One rank is the limited prime field of q.
3)P：On elliptic curve rank for q basic point.
4)H0(·),H1(·),H2(·)：Three Hash abstract functions.
5)IDA：The identity of user A.
6)di/Qi：The private key of entity i and public key pair.
7)Ki：The session key of entity i.
8)Hi：The unique identity symbol of user i.
9)Authij：The certification message of entity i to entity j.
10)AUi：The identification information of user i.
The embodiment of the present invention is listed below by way of table 1 to contrast with the safety of other schemes known to art, can
See that the safety of the embodiment of the present invention (the our protocol in list) is higher than other schemes.
| PFS | MMA | IA | RA | MA | |
| Yang | No | Yes | No | Yes | Yes |
| Yoon | No | Yes | Yes | Yes | Yes |
| Islam | Yes | Yes | Yes | No | Yes |
| Chou | Yes | Yes | No | Yes | Yes |
| Our protocol | Yes | Yes | Yes | Yes | Yes |
The present invention of table 1 and other protocol safety contrasts
In table, PFS forward secrecies；MMA man-in-the-middle attacks；IA spoof attacks；RA Replay Attacks；MA is mutually authenticated.
In addition, by the comparison of the embodiment of the present invention of table 2 and the amount of calculation of other schemes, it is also possible to find out enforcement of the present invention
The amount of calculation of example is less.
| User | Server | |
| Yang | 3TPM+2TM+3TA+5TH | 2TPM+4TM+3TA+4TH |
| Yoon | TPM+3TM+5TH+2TA | TPM+4TM+6TH+2TA |
| Islam | 3TM+2TA+3TH | 4TM+2TA+3TH |
| Chou | 2TPM+2TM+2TA+4TH | TPM+3TM+2TA+5TH |
| Our protocol | TPM+2TM+3TH | 2TM+TA+4TH |
The present invention of table 2 and other agreement operands
In table, P is Bilinear map computing；Mtp is Hash computings；SM is point multiplication operation；PA is accumulating operation.
Although being described in conjunction with the accompanying embodiments of the invention, those skilled in the art can be without departing from the present invention
Spirit and scope in the case of various modification can be adapted and modification, such modification and modification are each fallen within by claims institute
Within the scope of restriction.
Claims (2)
1. a kind of two side's authentication key agreement methods towards electric power wireless private network, the electric power wireless private network includes terminal kimonos
Business device, it is characterised in that include：
The server generates the public and private key of the private key of itself and the terminal, and the private key according to the server and the end
The public key at end generates the identification identifier of the terminal；
The server sends the private key and identification identifier of the terminal to the terminal；
The terminal generates the first certification message according to its private key and identification identifier, and sends to the server；
The server generates the second certification message according to the private key of itself and the public key of the terminal, and judges that described second recognizes
Whether card message is equal with the first certification message；
When judging whether the second certification message is equal with the first certification message, certification passes through.
2. two sides cryptographic key negotiation method according to claim 1, it is characterised in that also include：
After certification success, the server generates the 3rd certification message and the first session key, and sends the 3rd certification
Message is to the terminal；
The terminal generates the 4th certification message, and judge the 3rd certification message whether with the 4th certification message phase
Deng；
When judging whether the 3rd certification message is equal with the 4th certification message, it is close that the terminal generates the second session
Key；
The terminal and the server are conversated with first session key and the second session key.
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| CN201610971906.7A CN106571913A (en) | 2016-10-31 | 2016-10-31 | Two-party authentication key negotiation method for power wireless private network |
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ID=58539959
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429740A (en) * | 2018-02-12 | 2018-08-21 | 华为技术有限公司 | A kind of method and device obtaining device identification |
| CN110198538A (en) * | 2018-02-26 | 2019-09-03 | 北京华为数字技术有限公司 | A kind of method and device obtaining device identification |
| CN110519300A (en) * | 2019-09-24 | 2019-11-29 | 杭州字节信息技术有限公司 | Client key method for secure storing based on password bidirectional authentication |
| CN111935166A (en) * | 2020-08-18 | 2020-11-13 | 杭州萤石软件有限公司 | Communication authentication method, system, electronic device, server, and storage medium |
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| CN101179380A (en) * | 2007-11-19 | 2008-05-14 | 上海交通大学 | Bidirectional authentication method, system and network terminal |
| CN105812349A (en) * | 2016-01-20 | 2016-07-27 | 杭州安恒信息技术有限公司 | Asymmetric secret key distribution and message encryption method based on identity information |
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2016
- 2016-10-31 CN CN201610971906.7A patent/CN106571913A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101179380A (en) * | 2007-11-19 | 2008-05-14 | 上海交通大学 | Bidirectional authentication method, system and network terminal |
| CN105812349A (en) * | 2016-01-20 | 2016-07-27 | 杭州安恒信息技术有限公司 | Asymmetric secret key distribution and message encryption method based on identity information |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429740A (en) * | 2018-02-12 | 2018-08-21 | 华为技术有限公司 | A kind of method and device obtaining device identification |
| CN108429740B (en) * | 2018-02-12 | 2020-08-07 | 华为技术有限公司 | Method and device for obtaining equipment identifier |
| US11350286B2 (en) | 2018-02-12 | 2022-05-31 | Huawei Technologies Co., Ltd. | Device identifier obtaining method and apparatus |
| CN110198538A (en) * | 2018-02-26 | 2019-09-03 | 北京华为数字技术有限公司 | A kind of method and device obtaining device identification |
| CN110198538B (en) * | 2018-02-26 | 2022-02-18 | 北京华为数字技术有限公司 | Method and device for obtaining equipment identifier |
| CN110519300A (en) * | 2019-09-24 | 2019-11-29 | 杭州字节信息技术有限公司 | Client key method for secure storing based on password bidirectional authentication |
| CN111935166A (en) * | 2020-08-18 | 2020-11-13 | 杭州萤石软件有限公司 | Communication authentication method, system, electronic device, server, and storage medium |
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Application publication date: 20170419 |